baber/WOPTO huggingface dataset:
Patent CA-2017088-A1 (CA)
Inventor: GODBERSEN BYRON L
IPC: B60B33/00
Filed: 1990-05-17
Abstract: Abstract of the Disclosure A roller assembly for supporting a boat on a trailer or the like which has a hub with a resilient surface, and wherein the hub rotates on a cat's eye-shaped bushing which allows limited swivel and acts as a positive guide to the boat hull for providing straight line loading.
Patent CA-2020293-A1 (CA)
Title: Laser beam machining and apparatus therefor
Inventor: KONDO HIROAKI
IPC: B23Q35/128
Filed: 1990-07-03
Abstract: Disclosed is a laser machining process and an apparatus therefor, in which a main sensor is moved for scanning relative to a scanning model having a machining pattern depicted thereon, and a laser beam generator is moved, in synchronization with this scanning, relative to a work piece comprising a rubbery material so as to effect laser beam irradiation on the work piece in accordance with the pattern detected by the main sensor; characterized in that said main sensor has a sub-sensor for detecting the machining pattern prior to the detection by the main sensor and that control of the output of the laser beam generator is achieved by stepwise shifting in accordance with the pattern detection by these sub-sensor and main sensor, whereby multi-stepped protrusions are formed on the surface of the work piece.  The scanning model and the work piece may be loaded on the same table for moving them synchronously for the scanning and the laser beam irradiation, respectively; or alternatively they may be loaded on separate disc-shaped tables which are driven in the opposite directions for obtaining a negative from a positive pattern or in the same direction for reproducing the original pattern as multi-stepped protrusions.
Patent CA-2021076-A1 (CA)
Inventor: LEZAN GEORGES R E
IPC: H02M1/08
Filed: 1990-07-12
Abstract: A scheme for maintaining current balance within a plurality of semiconductor devices, particularly thyristors and gate turn-off thyristors, which plurality is connected between two electrical power sources which devices are configured to be simultaneously conductive to share the current between the two sources, employs the scheme for maintaining the current within the several devices of the plurality equal. The scheme provides for the generation of individual current signals which represent the individual current magnitudes within the several devices. Further generated is an average current signal representing the average current within the plurality. A difference signal is generated with respect to each of the individual current signals which represents the difference between the average and the individual current signal. The difference signal is then employed to vary the time of application of the next control signal to the associated one of the devices to thereby minimize current imbalance within the plurality.
Patent CA-2021489-A1 (CA)
Title: Methods and compositions for chromosome-specific staining
Inventor: GRAY JOE W
IPC: C07H21/00
Filed: 1990-07-18
Abstract: Methods and compositions for staining based upon nucleic acid sequence that employ nucleic acid probes are provided. Said methods produce staining patterns that can be tailored for specific cytogenetic analyses. Said probes are appropriate for in situ hybridization and stain both interphase and metaphase chromosomal material with reliable signals. The nucleic acid probes are typically of a complexity greater than 50 kb, the complexity depending upon the cytogenetic application. Methods and reagents are provided for the detection of genetic rearrangements. Probes and test kits are provided for use in detecting genetic rearrangements, particularly for use in tumor cytogenetics, in the detection of disease related loci, specifically cancer, such as chronic myelogenous leukemia (CML) and for biological dosimetry.      Methods and reagents are described for cytogenetic research, for the differentiation of cytogenetically similar but genetically different diseases, and for many prognostic and diagnostic applications. Further provided is a method of preparing and applying chromosome-specific single-stranded nucleic acid probes to double stranded target DNA.
Patent CA-2022317-A1 (CA)
Title: High speed cmos differential interface circuits
Inventor: WILCOX DAVID J
IPC: H03K19/0185
Filed: 1990-07-25
Abstract: ABSTRACT:-High Speed CMOS Differential Interface Circuits High speed CMOS differential input and output interface circuits comprise input and output means arranged to be controlled by biasing means. The biasing means generates a bias voltage. The output interface has a single ended to differential translator as the input means and an differential output stage as the output means. The input interface has a input amplifier and detector as the input means, and a differential to single ended level translator as the output means. The input and output interfaces operate at 300MHz and 200MHz respectively using clock encoded data, and both are capable of interfacing with bipolar devices. A combined input/output interface operates at 200MHz using clock encoded data or 60MHz under normal clocked operation.
Patent CA-2023739-A1 (CA)
Title: Manner of fabrication of saw with ceramic layers incorporated inside the teeth
Inventor: WOJCIECHOWSKI RYSZARD
IPC: B27B33/02
Filed: 1990-08-21
Abstract: ABSTRACT It is known the manner of incorporation the ceramic layers, named coats, into the outer surface of cutting tools, also saws. The new in the invention is that ceramic layers are incorporated inside teeth of saw during a new original technological process. The new of this technological process is the change of substance of saw teeth. The saw teeth are not only a steel cutting tool, but it is a tool in which both steel and ceramic characters are used. This process is realised by incorporation of ceramic materials into steel band of saw teeth during the step of saw fabrication. In this process the methods of incorporation of ceramic layers on outer steel surface and a method of metallurgic coupling of steel sheets are combined.
Patent CA-2024548-A1 (CA)
Title: Analyte specific chemical sensor
Inventor: ISSACHAR DAVID
IPC: G01N33/68
Filed: 1990-09-04
Abstract: An analyte specific chemical sensor for determining an analyte in a test medium. The sensor comprises a sensing surface which is coated with reversible competitive recognition units (RCRUs) each of which contains as constituent components at least one receptor and at least one ligand, one of which components is an analyte analogue.      In these RCRUs the receptor and the ligand are a priori connected to each other, directly or indirectly, in such configuration that even when, for example, an analyte analogue ligand is displaced from the receptor by an analyte ligand, the analogue will still be retained in relatively close proximity to the receptor. In addition, the relative positions of the receptor and the ligand in the RCRU are such that when no analytes are present or when the analyte concentration is at a low level, they are affinity conjugated by a specific affinity interaction. The fluctuations of analyte concentrations in the test sample affect the chemical occurrences at the RCRUs, and consequently the physico-chemical characteristics of the components thereof. The changes in the analyte concentration are monitored, according to the present invention, by continuously measuring the changes of the above physico-chemical characteristics induced by occurrences at the RCRUs, namely the inner association and dissociation thereof. Such physico-chemical characteristics may be, for example, photochemical, e.g. light absorption, light emission, light scattering and light polarization; electrochemical; and piezoelectrical.
Patent CA-2028041-A1 (CA)
Inventor: HUTH HANS-ULLRICH
IPC: C09D7/45
Filed: 1990-10-19
Abstract: Abstract of the disclosure:            Copolymers based on ethylenically unsaturated monomers and  containing urethane  groups,  processes  for  their preparation and their use Copolymers prepared by free-radical-initiated copolymeri-zation  of  ethylenically  unsaturated  copolymerizable monomers, in which the copolymers are preferably syn-thesized from a)   25 to 85% by weight of ethylenically unsaturated hydrophobic monomers, and b)   1 to 50% by weight of ethylenically unsaturated monomers capable of salt formation, and c)   0.1 to 30% by weight of surface-active urethane derivatives  containing  ethylenically  unsaturated carboxyl or carbamido radicals, and d)   0 to 10% by weight of other ethylenically unsat-urated monomers different from a) to c) and con-taining functional radicals, and e)   0 to 5% by weight of ethylenically unsaturated carbonyl compounds, and f)   0 to 5% by weight of ethylenically polyunsaturated or polyfunctional monomers capable of crosslinking, and g)   0 to 5% by weight of molecular weight regulators, and,  if  aqueous  dispersions  or  the  copolymers isolated therefrom are present, these furthermore contain h)   0.1 to 10% by weight, relative to the total amount of all monomer units in the copolymer, of emulsi-fiers and/or protective colloids, and, if desired, the copolymers are partially or completely neutra-lized and converted into water-soluble or colloid-water-dispersible copolymer salts and, if desired, are obtained in solid form.            Use of the products as viscosity-increasing and rheology-modifying thickener substances in aqueous systems.
Patent CA-2028559-A1 (CA)
Inventor: PERALA AULIS
IPC: B01D29/11
Filed: 1990-10-25
Abstract: A filter bag (1) for a disc-like filter,  com-prising filter surfaces (2) to be positioned on both  sides  of  a  filter  element.  The filter element is inserted into the filter bag, and the filter bag is heated so that the heated portion shrinks,  thus tightening the filter bag around the filter element.  The filter bag (1)  is so shaped that the filter parts (2)  to be posi-tioned on both sides of the filter element are substantially of the same shape and size as the required filter surfaces. An edge part (3) of a material substantially impermeable to liquid and shrinkable at elevated temperature is attached to the edges of the filter parts.
Patent CA-2029982-A1 (CA)
Title: Laminated wood product
Inventor: BODIG JOZSEF
IPC: B32B7/08
Filed: 1990-11-14
Abstract: A process is described for making a laminated wood product having improved strength and dimensional stability (i.e., less warping caused by temperature and/or moisture change in drying, transportation and in use). Adjacent surfaces of lumber or veneer laminae cut from a single piece of wood are arranged in units of three laminae where the center lamina is twice the thickness of each outside lamina and in such a way that the outer laminae are rotated 180 degrees about their longitudinal axes to provide mirror images of the surfaces of the center lamina. These trios are arranged in a symmetrical manner about the central plane of the laminate and then bonded together. The minimum number of laminae is three, but with increments of three additional laminae the mirror-laminate can be built up to any desirable thickness. The mirror-laminate may be used in rough form or surfaced to specific finished dimensions. It is an improved value-added product which is stronger than a solid piece of wood of similar quality and size.
Patent CA-2030929-A1 (CA)
Title: Bacterial collagenase gene
Inventor: SHIBANO YUJI
IPC: C07K16/40
Filed: 1990-11-27
Abstract: Abstract The present invention is directed to a collagenase gene derived from bacteria of the species Vibrio alginolyticus.  The invention is further directed to a recombinant vector containing the gene, a host cell transformed with a plasmid containing the gene and a process for the production of a collagenase by using the host cells.      The collagenase of the present invention can be used in the treatment of various injuries, particularly those resulting from injuries to substrates having a structure rich in collagen, e.g. burns, ulcers, etc.  It is also useful in the treatment of dental caries and for tenderizing meat.
Patent CA-2032009-A1 (CA)
Title: Pole anchoring system
Inventor: LEGLER STEVE
IPC: E04H12/22
Filed: 1990-12-11
Abstract: POLE ANCHORING SYSTEM              Abstract of the Disclosure A pole anchoring device for supporting large diameter poles vertically over a hard surface such as rock,  concrete or the like.   The device comprises three or more harness members which are interconnectable to one another about a base section of a pole.    Each harness member has a pole engaging section for attachment against a pole and a bolt support section spaced outwardly from the pole engaging section.   An anchor bolt is guidingly positioned in the bolt support section of each of the harness members and extends along an axis substantially parallel to the axis of the pole and spaced a predeter-mined distance away from the bolt support section.   An anchoring assembly  is secured to the  anchor bolt  and disposed below the bolt support section.   The anchoring bolt has an engageable top end portion which extends in a top section and partly above the bolt support section for engagement by a nut whereby to impart axial displacement of the anchor bolt in an upward direction to actuate the anchoring assembly to anchor a lower end of the anchor bolt in a bore hole made in the hard surface and spaced adjacent the pole.
Patent CA-2034768-A1 (CA)
Title: Recombinant coccidiosis vaccines - 5-7 eimeria surface antigen
Inventor: BINGER MARY-HELEN
IPC: C12P21/02
Filed: 1991-01-23
Abstract: ABSTRACT     The invention provides a DNA coding for a precursor to an Eimeria merozoite surface antigen, which surface antigen has an apparent molecular weight of about 23 kilodaltons by SDS PAGE. Based on this DNA proteins having one or more immunoreactive and/or antigenic determinants of the said surface antigen may be prepared as well as recombinant vectors and recombinant viruses containing the said DNA or framents thereof and transformed microorganisms containing such vectors and viruses. Thus, the present invention relates also to methods for producing the said proteins and the transformed microorganisms.  The present case also relates to the purified 23 kDa merozoite surface antigen itself and the 30 kDa precursor form thereof per se and to methods for protecting poultry against coccidiosis using the Eimeria surface antigen, the precursor protein and/or fragments thereof.  The proteins and fragments of the invention can be administered for such protection either as purified proteins or in the form of DNA encoding the protein in a suitable viral vector such as vaccinia virus.
Patent CA-2039249-A1 (CA)
Title: Sulfonylphenyl-.beta.-d-thioxylosides, their method of preparation and their use in therapeutics
Inventor: SAMRETH SOTH
IPC: A61P9/00
Filed: 1991-03-27
Abstract: New industrial products consisting of the sulphonylphenyl- beta -D-thioxyloside compounds of formula: 
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 in which: 
 
  - X denotes a sulphur atom or an oxygen atom, 
  - R denotes a C1-C4 alkyl group, a substituted amino group NR1R2 (where each of R1 and R2, which are identical or different, denotes a C1-C4 alkyl group, it being possible for R1 and R2 considered together to form with the nitrogen atom to which they are bonded a piperidinyl or morpholinyl group) or a phenyl group optionally substituted in the para position by a cyano group or by a halogen atom; and 
  - Y denotes a hydrogen atom or an aliphatic acyl group. 
 
<??>These compounds can be used in therapeutics, especially as venous antithrombotic agents.
Patent CA-2039616-A1 (CA)
Title: Tape splicing device
Inventor: SHIOIRI SHIGEO
IPC: G03D15/04
Filed: 1991-04-03
Abstract: TAPE SPLICING DEVICE                              Abstract A splicer for joining recording tapes end to end with two adhesive tapes from both surfaces of the recording tapes, while severing the adhesive tapes protruding from the side edges of the recording tapes and forming perforations in the adhesive tapes at positions coincide with the sprocket holes of the recording tapes.
Patent CA-2039817-A1 (CA)
Inventor: BEHAR GILLES
IPC: F21V7/22
Filed: 1991-04-04
Abstract: ABREGE/DESCRIPTIF - Nouvelles compositions de résines polyesters insaturés. - Nouvelles compositions de résines polyesters insaturés se-lon lesquelles l'agent de démoulage est constitué du sel de cal-cium de l'acide montanique. - Applications à la fabrication de réflecteurs pour lampes.
Patent CA-2040981-A1 (CA)
Title: Preparation of phthalic anhydride from o-xylene
Inventor: AICHINGER HEINRICH
IPC: B01J8/02
Filed: 1991-04-23
Abstract: BASFAKTIENQESELLSCHAFT                                 O.Z.0050/41580 Preparation of phthalic anhydride from o-xylene Abstract of the disclosure:            Phthalic anhydride is prepared in a multiple tube reactor provided withseparate salt baths, the temperature of the salt bath used for cooling the first layer of catalyst, as regarded in the direction of flow of the reaction mixture, being from 2° to 20°C higher than that of the salt bath(s) associated with the following layer(s).
Patent CA-2041786-A1 (CA)
Title: Method for the production of gel filled capillaries for capillary gel electrophoresis
Inventor: SCHOMBURG GERHARD
IPC: B01D57/02
Filed: 1991-05-03
Abstract: ABSTRACT     Method  for  the  production  of  gel  filled  capillaries  for capillary gel electrophoresis The ?-radiation initiated formation of a polyacrylamide gel allows for the unsophisticated production of gel filled fused silica capillaries for CGE.  The performance and stability of such gel filled capillaries is as good as that of those obtained by methods known in the art.
Patent CA-2047591-A1 (CA)
Inventor: LEWIS STANLEY M
IPC: B32B3/30
Filed: 1991-07-23
Abstract: A landfill liner is provided for protecting soil from contaminated waste.   The landfill  liner  includes a unitarily extruded sheet having a flexible central support defining opposed substantially parallel top and bottom surfaces.  A plurality of soil gripping protrusions project unitarily from the bottom surface of the central support.  The soil gripping protrusions are pointed to grippingly engage the soil being protected, and are disposed in a staggered array to prevent furrowing  of the soil to which the liner is applied.  A plurality of supporting protrusions project unitarily from the top surface of the central support.   The supporting protrusions include substantially blunted or planar top surfaces for supporting a top liner thereon.   The supporting protrusions are configured to optimize the transmissivity of waste material flowing therebetween.  Edge regions of the central support are  substantially  free  of  protrusions  to  enable  face-to-face overlapping of edge regions of the central support on adjacent liners.
Patent CA-2048480-A1 (CA)
Title: Circuit arrangement and method for the regeneration and synchronization of a digital signal
Inventor: MENK KLAUS-DIETER
IPC: H04L7/02
Filed: 1991-08-06
Abstract: A circuit arrangement for regenerating and synchronising a digital signal with a high bit repetition rate, which exhibits a series circuit of a controllable delay line and a decision logic through which the digital signal passes is proposed which is distinguished by the fact that the decision logic exhibits a sampling circuit by means of which the digital signal is sampled in the centre of its eye pattern. 
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Patent CA-2051609-A1 (CA)
Title: Corrosion-inhibited antifreeze/coolant composition
Inventor: BURNS JEFFREY M
IPC: C07C31/20
Filed: 1991-09-17
Abstract: CORROSION-INHIBITED ANTIFREEZE/COOLANTS COMPOSITION     (D#80,929-F) ABSTRACT OF THE DISCLOSURE     A corrosion-inhibited antifreeze composition is disclosed. Specifically, the antifreeze composition comprises a major portion of a liquid alcohol freezing point depressant and a minor portion of at least one acid having the structure:                , where R1, R2 and R3 are the same or different C1 to C10 alkyls or where one of R1, R2 and R3 is H, and the other two R groups are C1 to C10 alkyls.  The above described acid is employed as a corrosion inhibitor.  Other conventional corrosion inhibitors may be employed in conjunction with the neoacids.      In another embodiment, the present invention relates to a process for inhibiting the general pitting, crevice and deposit attack corrosion of metals present in the cooling system of an internal  combustion  engine  which  comprises  intimately contacting the metal surface to be inhibited against corrosion with  the  antifreeze  composition  described  above.    Most preferably, the target substrates are aluminum and high lead solder.     80929pa.dgv
Patent CA-2052280-A1 (CA)
Title: Apparatus for entertainment and for education which can serve for the teaching of languages
Inventor: LIONS FRANCOIS
IPC: G09B19/06
Filed: 1991-09-26
Abstract: APPARATUS FOR ENTERTAINMENT AND FOR EDUCATION WHICH     CAN SERVE FOR THE TEACHING OF LANGUAGES                           ABSTRACT              The  invention  relates  to  an  apparatus  for education of the type comprising means (101) of reading a programme,  which  are connected to means  of  sound reproduction (103), and comprising means of storage of information (105, 106) as well as means of rereading the information stored.        According to the invention,  the means  (1)  of reading  the  programme  comprise  delayed  automatic triggering means which control the storage in a memory (105) of digital type of parcels of information of the programme  read  sequentially,  part  after  part,  the apparatus comprising another memory  (106)  of digital type,  in  which  the user  can  store  sequences  of information, the user also being able to control the means of rereading, of sound reproduction and of clearing the information stored in said digital memories.        The invention finds application in particular in the teaching of languages.   Figure 2.
Patent CA-2054231-A1 (CA)
Title: Pipeline monitoring and leak containment system
Inventor: ROACH MAX J
IPC: G01M3/28
Filed: 1991-10-25
Abstract: This application discloses a pipeline monitoring system comprising at least one lined pipe section. This lined pipe section comprises an outer pipe having an exterior wall, a thermoplastic liner having an exterior surface flush with and in tight engagement with the interior wall of the outer pipe, and at least one groove located in the exterior surface. The groove and the interior wall of the outer pipe define at least one passageway. The system may include leak detection means communicating with the passageway and comprising a vacuum pump and control means for monitoring significant fluctuations in the vacuum in the passageway. In another embodiment, the leak detection means may comprise a light-transmitting cable disposed along the groove and means for detecting changes in the intensity of light carried by the cable.
Patent CA-2056849-A1 (CA)
Title: Adjusting device for the top lip beam of a headbox
Inventor: OINONEN MATTI
IPC: D21F1/02
Filed: 1991-12-03
Abstract: (57) Abstract The invention concerns an adjusting device for the top lip beam of the headbox of a paper machine, board machine, or wet-lap pulp machine, by whose means the position of the top lip beam (13) is changed for regulation of the height (h) and position (s) of the discharge opening (15). The top lip beam (13) is included in a headbox in whose discharge duct (16) there is a perforated roll (14) as an equal-izing member, and between which perforated roll (14) and the top lip beam (13) of the headbox there is a gap (C). The adjusting device comprises ad-justing members (54,56) for changing the position of the top lip beam (13) and adjusting members for regulating the gap (C) between the top lip beam (13) and the perforated roll (14). The members for ad-justing the gap (C) between the top lip beam (13) and the perforated roll (14) consist of a mobile, rigid partition wall (30), which is by one end linked (32) with the top lip beam (13) and by the other end linked (31) with a part (43) which is arranged mo-bile in the vertical direction (V) in relation to the stationary front wall (40). The partition wall (30) closes the opening between the stationary front wall (40) and the top lip beam (13).