baber/WOPTO huggingface dataset:
Patent CA-2025975-A1 (CA)
Title: Transparent toilet soap containing trialkylamine oxide dihydrate
Inventor: SMITH KIM R
IPC: C07C291/04
Filed: 1990-09-21
Abstract: CASE: 6046 JDO:mhz:kp Abstract of the Disclosure Transparent soap bars are made by a process comprising mixing solid, non-hydroscopic trialkylamine oxide dihydrate with a fatty acid soap and other conventional ingredients such as triethanolamine, glycerine, water, perfume, and the like.
Patent CA-2026308-A1 (CA)
Inventor: ANDERTON DAVID O
IPC: H04N1/00
Filed: 1990-09-26
Abstract: A transmission arrangement is disclosed which facilitates compression of modem modulated facsimile signals for transmission on digital facilities. Thepresence of a facsimile call is detected and facsimile control messages are obtained by demodulating and interpreting the facsimile call control protocol. A controller is responsive to the obtained control messages for controlling a voiceband encoder to encode the control portion of the facsimile call and for controlling a so-calledfacsimile page demodulator to demodulate any facsimile page portions of the facsimile call to obtain a baseband digital bit stream. The encoded control portion of the facsimile call and the baseband digital bit stream representative of the demodulated, i.e., compressed, facsimile page portion of the facsimile call are transmitted along with control information (as side information) to a receiver. At the receiver, a replica of the original modem modulated facsimile signal is reconstructed in response to the control information and by decoding the control portion of the facsimile call and by remodulating the digital bit stream representative of the facsimile page portion of the facsimile call.
Patent CA-2026479-A1 (CA)
Title: X-ray intensifying screen and phosphor composition
Inventor: BRYAN PHILIP S
IPC: G21K4/00
Filed: 1990-09-28
Abstract: -O-X-RAY INTENSIFYING SCREEN AND PHOSPHOR COMPOSITION Abstract of the Disclosure An intensifying screen is disclosed containing a phosphor composition comprised of monoclinic crystals of a titanium activated hafnia phosphor host containing scandium ions or scandium ions in combination with neodymium ions.  Scandium increases speed while reducing afterglow while the further addition of neodymium allows afterglow to be eliminated.  A phosphor composition in which zirconia is at least partially substituted for hafnia is also disclosed.
Patent CA-2029382-A1 (CA)
Title: Process for the production of a composite material protected against oxidation and material obtained by this process
Inventor: ROUSSEAU GERARD
IPC: C04B41/52
Filed: 1990-11-06
Abstract: DESCRIPTIVE ABSTRACT            Process for the production of a composite material protected against oxidation and material obtained by this process.            The invention relates to a process for the production of a material incorporating a composite body (14) on which is directly deposited an aluminium nitride layer (4) and then a tight layer of a refractory oxide in order to ensure its protection against environmental oxida-tion.  The aluminium nitride Layer (4) is attached to the composite body by an aluminium carbide layer (6).  The oxide layer is in particular an alumina layer.            (Fig. 2) SP 5841.69 LC
Patent CA-2030498-A1 (CA)
Title: Method and apparatus for removing binder from around telecommunications cable core
Inventor: GARNER JOHN N
IPC: H01B15/00
Filed: 1990-11-21
Abstract: METHOD AND APPARATUS FOR REMOVING BINDER FROM AROUND    TELECOMMUNICATIONS CABLE CORE               Abstract of the Disclosure A method and apparatus for removing binder from around a telecommunications cable core.  The apparatus comprises a binder take-up reel, drive means for rotating the take-up reel around a passline for cable core, and binder unwinding and guide means which are freely rotatable about a take-up reel station.  The apparatus is economical in construction and requires only one drive motor, for the take-up reel, because rotation of the binder unwinding and guide means is driven by binder tension as binder is unwound from the core.  The binder unwinding and guide means provides simple mechanical means to control the speed of rotation of the binder unwinding and guide means and the speed of rotation of the take-up reel relative to the cable core speed along the passline so that the binder is in tension as it is unwound controllably from the core.                             - i -
Patent CA-2030519-A1 (CA)
Inventor: MONGELLI NICOLA
IPC: C07D403/14
Filed: 1990-03-22
Abstract: The invention relates to acryloyl substituted pyrrole derivatives of formula (I) (see formula I) wherein n is an integer of 1 to 5; each of R1 and R2, which may be the same or different, is hydrogen, halogen, -CN, -NO2, C1-C4 alkyl, or a group (see formula II) R3 is hydrogen, halogen, -CN, or NO2; each R4 is, independently, hydrogen or C1-C4 alkyl;      A is a bond, a group (see formula III)    ,or a group NH-Het-CO-, wherein Het is a saturated or unsaturated pentatomic or hexatomic heteromonocyclic ring; and (see formula IV), or B is a group (see formula V)  in which m is 1, 2 or 3 and each R5 is, independently, a C1-C4 alkyl group; and pharmaceutically acceptable salts thereof, which are useful as antineoplastic agents.
Patent CA-2032661-A1 (CA)
Title: Throughflow cooler
Inventor: RASMUSSEN JAN N
IPC: F25D31/00
Filed: 1990-12-19
Abstract: Abstract A throughflow cooler comprising a heat exchanger (3) disposed in a vessel (1) filled with a cooling fluid (2) comprises a cooling apparatus (5,6,7) for cooling the cooling fluid (2) and a circula-ting apparatus (8) which is driven by a motor (9) through a motor shaft (10) and which moves the cooling fluid (2)  in the vessel.          In such throughflow coolers, the life of the motor is limited by the formation of rust in the bearing (15) and on the motor shaft (10).   To increase the life,  a heating apparatus  is  provided which is actuated by a control apparatus (17) and heats the motor shaft and/or at least one motor shaft bearing (15).       Single figure.
Patent CA-2033867-A1 (CA)
Inventor: THEURER JOSEF
IPC: E01B33/00
Filed: 1991-01-09
Abstract: A continuously advancing track working machine for compacting ballast comprises a self-propelled machine frame supported by undercarriages on the track for mobility in an operating direction and a track stabilization assembly vertically adjustably mounted on the machine frame between the undercarriages. The track stabilization assembly comprises drives for vertically adjusting the assembly, oscillatory rolling tools arranged for engaging the rails, vibrators for oscillating the rolling tools, and spreading drives for pressing the rolling tools against the gage sides of the rails. Lining drives link the track stabilization assembly to the machine frame for displacing the track engaged by the rolling tools pressed against the track rails in a direction extending transversely to the track, under the control of a lining reference system including a lining reference base, and a measuring device is arranged on the machine frame adjacent the track stabilization assembly for measuring the transverse track displacement relative to the lining reference base into a desired position.
Patent CA-2034561-A1 (CA)
Inventor: DOUSSAIN CLAUDE
IPC: C07C43/253
Filed: 1991-01-18
Abstract: La présente invention concerne la C-alkylation de l'hydroquinone ou de ses monoéthers par réaction en phase vapeur avec un alcanal en présence d'un catalyseur solide. Plus précisément, elle consiste en ce que l'on fait réagir en phase vapeur l'hydroquinone ou l'un de ses monoéthers d'alkyle de 1 à 4 atomes de carbone ou de cyclohexyle, avec un alcanal inférieur en présence d'au moins un oxyde métallique. Parmi les alkylhydroquinones, un composé très intéressant est la méthylhydroquinone, servant à préparer le diacétate de méthylhydroquinone, composé utilisé comme monomère dans la synthèse de polymères thermotropes.
Patent CA-2036234-A1 (CA)
Title: Process for the preparation of indole on the basis of a tryptophan containing starting medium, the prepared indole perfume compositions and flavourings respectively containing theindole in question as well as products flavoured or perfumed he ewith
Inventor: VAN GRINSVEN ADRIANUS M
IPC: A23L27/24
Filed: 1991-02-13
Abstract: A B S T R A C T   The  invention  relates  to  a  process  for  the  preparation  of  indole applicable in  flavourings  and perfume compositions wherein a micro-organism which does not or hardly metabolize indole is cultured aerobic-ally or anaerobically in a culture medium containing as the substrate tryptophan of natural origin. The produced indole in the fermentation broth may be isolated therefrom with a food grade extraction agent.
Patent CA-2038184-A1 (CA)
Title: Process for the production of chlorine dioxide
Inventor: ENGSTROM JORGEN
IPC: C01B11/02
Filed: 1991-03-13
Abstract: ABSTRACT A process  for the  production of chlorine dioxide by reacting in a reaction  vessel  an  alkali  metal chlorate, mineral acid  and a reducing agent in such proportions that chlorine dioxide is produced in a reaction medium  which is maintained at  a temperature  of from  about 50 °C to about 100 °C and at an acidity within a range of from about  2 to about 11  N and  which is subjected to sub atmospheric pres-sure sufficient for evaporating  water. A  mixture of chlo-rine  dioxide  and  water  vapour is withdrawn from an eva-poration zone in  the  reaction  vessel,  and  alkali metal sulfate is  precipitated in  a crystallization  zone in the reaction vessel. Straight chained alcohols with the formula CH2OH(CHOH)nCH2OH where  n =  0 -  5, are  used as reducing agents. Preferred  reducing  agents  consist of  glycol or glycerol. The  reaction may  also be  performed in the pre-sence of a catalyst.
Patent CA-2038229-A1 (CA)
Inventor: AVENEL MICHEL
IPC: C08J5/18
Filed: 1991-03-14
Abstract: 22 Plaque coulée obtenue à partir d'une composition de polyméthacrylate de méthyle et de polyuréthane en proportions telles que le rapport des composants du réseau polyuréthane (c'est-à-dire la somme du (ou des) composé(s) organique(s) à fonctions isocyanates et du (ou des) polyol(s) à la somme de ces composants et du méthacrylate de méthyle soit compris entre 3 % et 8 % en poids, conférant à ladite plaque une résistance au choc Charpy non entaillé, supérieure ou égale à 60 kJ/m2.
Patent CA-2038836-A1 (CA)
Inventor: BUNSCHOTEN GERRIT K
IPC: A47K5/12
Filed: 1991-03-27
Abstract: SUBSTITUTE                       REMPLACEMENT               SECTION is not Present Cette Section est Absente
Patent CA-2040950-A1 (CA)
Title: Method of controlling phase separation in polymerization reactions and products utilizing same
Inventor: JOHNSON PHILIP W
IPC: C08F287/00
Filed: 1991-04-22
Abstract: Abstract A method of controlling phase separation in photoinitiated polymerization reactions and products prepared according to the method are the subject of this invention.  The method comprises homogenizing a block copolymer and a light polymer-izable monomer prior to exposure of the monomer to the light source which initiates the polymerization reaction.  The photosensitive reaction initiating agent may be a substituent group of the monomer, a crosslinker, a photoinitiator or a combination of the foregoing.  The method is particularly applicable to preparing sealants, coatings and molded objects where there is a need for a high depth of cure.
Patent CA-2041563-A1 (CA)
Title: Aviation headset holder
Inventor: HURLBERT R JOHN
IPC: A45F5/00
Filed: 1991-04-30
Abstract: AVIATION HEADSET HOLDER - APPLICATION FOR PATENT   ABSTRACT    Aviation headsets are an important safety accessory to pilots of single engine aircraft and some helicopters for protection of hearing and clarity of communication.   A significant financial disbursement is necessary to obtain this equipment which then must be maintained in good working order.  This invention consists of a carrying case for these headsets, designed to protect them when not in use.  The container holds the headset in an inverted position preventing fatigue of the electrical cord as it enters the ear piece.  The carrier clips on to a standard aviation briefcase or to the back of an aircraft seat.   It may be fabricated from soft padded or firm less-flexible material.
Patent CA-2046697-A1 (CA)
Title: Calibrating optical disk recorders to some parameters during disk spin up while defering calibration of other parameters
Inventor: BACA FRANCISCO A
IPC: G11B7/125
Filed: 1991-07-10
Abstract: CALIBRATING OPTICAL DISK RECORDERS TO SOME PARAMETERS      DURING DISK SPIN UP WHILE DEFERRING   CALIBRATION OF OTHER PARAMETERS                 ABSTRACT OF THE DISCLOSURE            This disclosure deals with an optical disk recorder/player (drive)  of the  type  that  receives  a  removable disk for signal exchanging operations.  Once a disk is inserted into the drive,  the rotation of the disk begins a period of accelerating rotational speed called spin up.  During spin up,  the  focus  and  tracking  systems  of  the  drive are calibrated.   Once  the  disks  reach  a  desired  operating rotational speed, a menu is provided for determining when to calibrate a laser in the drive for recording operations. Such writing or recording calibration of the laser occurs at different  times  in accordance  with  the  types of  signal processing functions to be performed with respect to the particular disk.  Description includes a media library in which a plurality of optical disk drives are controlled in a manner  for minimizing  access  times  to  any  optical  disk within the media library.
Patent CA-2050348-A1 (CA)
Title: Phenylated polyimides prepared from 3,6-diarylpyromellitic dianhydride and aromatic diamines
Inventor: HARRIS FRANK W
IPC: C08G73/10
Filed: 1990-02-05
Abstract: A new class of soluble phenylated polyimides made from 3,6-diarypyromellitic dianhydride and process for the manufacture of the 3,6-diarypyromellitic dianhydride starting material. The polyimides obtained with said dianhydride are readily soluble in appropriate organic solvents and are distinguished by excellent thermal, electrical and/or mechanical properties making the polyimides ideally suited as coating materials for microelectronic apparatii, as membranes for selective molecular separation or permeation or selective gas separation or permeation, or as reinforcing fibers in molecular composites, or as high modulus, high tensile strength fibers.
Patent CA-2051025-A1 (CA)
Title: Blue enviro shopping bag
Inventor: LAZAROV DIMITAR K
IPC: B65D30/10
Filed: 1991-09-10
Abstract: ABSTRACT        A durable and reusable shopping bag is made from a single piece of cut and attached T or Z-shaped fabric or other suitable material. Also disclosed is a simple and efficient method for making the bag. The bag is easily rested in an upright position on its generally rectangular base. The use of material and the effort of attaching the edges of the bag are minimized by the method of production.  Carrying handles may be provided to facilitate transportation of merchandise.
Patent CA-2051062-A1 (CA)
Title: Inspection method and apparatus
Inventor: YOSHIDA HAJIME
IPC: G01N21/88
Filed: 1991-09-10
Abstract: ABSTRACT OF THE DISCLOSURE An inspection method for detecting existence or not of a defect on an inspected object in which an image of the inspected object irradiated by a light is picked by a video camera and a video signal therefrom is processed by an electronic processor is disclosed in which there are such steps of setting up a pattern judging window on the inspected object to thereby judge whether or not there exists a pattern on the inspected object, setting up a plurality of inspection windows when it is judged that there is no pattern on the inspected object to thereby perform a predetermined defect inspection on portions of the inspected object within the plurality of inspection windows, setting up a pattern discrimination window on the inspected object when it is judged that there exists a pattern to thereby discriminate a kind of the pattern, and either setting up the inspection window or another inspection window dependent on the kind of the pattern discriminated.    An inspection apparatus carrying out the above method is also disclosed which is formed of first means for setting up a pattern judging window on the inspected object to thereby judge whether or not there exists a pattern on the inspected object, a second means for setting up a plurality of inspection windows when it is judged that there is no pattern on the inspected object to thereby perform a predetermined defect inspection on portions of the inspected object within the plurality of inspection windows, a third means for setting up a pattern discrimination window on the inspected object when it is judged that there exists a pattern to thereby discriminate a kind of the pattern, and a fourth means for either setting up the inspection windows or another inspection window dependent on the kind of the pattern discriminated.
Patent CA-2053612-A1 (CA)
Title: Curable composition
Inventor: NIELD ERIC
IPC: C08L83/04
Filed: 1991-10-17
Abstract: A silica free curable composition comprising:      A) a stable dispersion in an aqueous medium of a First Polymer having a weight average molecular weight of at least 50,000, which is insoluble in water and which contains silane groups of formula (1);      in which a is 0 to 2, R1 is C1-6 alkyl, and R is OH or a hydrolysable group, the groups of formula (1) contributing from 0.05 to 2% by weight of silicon to the weight of the First Polymer and B) a solution or dispersion of a Second Polymer which has a number average moecular weight of MWt between 1000 and 20,000, and which contains at least two silane groups of formula (1), the groups of Formula (1) contributing from 0.1 to 8% by weight of silicon to the weight of the Second Polymer, and also comprising covalently bonded acid groups in an amount so as to render the Second Polymer soluble or self-dispersible in the aqueous medium, the ratio of the Polymer (A) to the Polymer (B) being in the range 40:1 to 1:4.
Patent CA-2054169-A1 (CA)
Title: Material handling vehicle steering system
Inventor: AVITAN ISAAC
IPC: B62D7/02
Filed: 1991-10-24
Abstract: ABSTRACT OF THE DISCLOSURE      A unique steer/drive control system is featured for steering a material handling vehicle by the use of directly coupled traction and steering motors.  The steering motor is fabricated as a hollow shaft dc motor, whose inner ring represents the rotor, and whose outer ring represents the stator.  The stator is connected to a frame of the vehicle carrying the steering and drive wheel.  The rotor is integrally connected to the traction motor that drives the steering and drive wheel.  A hand operated steering mechanism rotationally guides the vehicle.  A steering angle sensor determines the difference between actual and desired heading of the steering and drive wheel.  The steer/drive system utilizes the sensed difference, and generates a signal for controlling the heading of the steering and drive wheel.     Docket No. RC-515         20
Patent CA-2056466-A1 (CA)
Title: Image processing system
Inventor: TINDALL ROBERT J
IPC: G06F7/483
Filed: 1991-11-28
Abstract: ABSTRACT      There is disclosed an image processing apparatus for use as a medical diagnostic imaging system.   The apparatus includes an INTEL i860 microprocessor arranged to perform a plurality of pipelined arithmetic operations in parallel on image data in floating point format.  The apparatus includes a converter arranged to receive the processed floating point data from the microprocessor and convert same to a form suitable for use by a display device.
Patent CA-2056925-A1 (CA)
Title: Optical fiber amplifier and coupler
Inventor: HALL DOUGLAS W
IPC: G02B6/34
Filed: 1991-12-04
Abstract: Disclosed is a fiber amplifier system in which a gain fiber is operatively combined with a fiber optic coupler having first and second coupler optical fibers. The coupler fibers are fused together along a portion of their lengths to form a wavelength dependent coupling region whereby most of the light power of a wavelength .lambda.s couples between them, and most of the light power of a wavelength .lambda.p that is introduced into the first fiber remains in it.     The mode field diameter of the first coupler fiber is substantially matched to that of the gain fiber and is smaller than that of the second coupler fiber. One end of the first coupler fiber is spliced to the gain fiber. A transmission fiber is spliced to the second coupler fiber, and a laser diode introduces pumping light of wavelength .lambda.p to the first coupler fiber. The fiber optic coupler preferably includes an elongated body of matrix glass through which the first and second coupler fibers extend.      The matrix glass has a refractive index n3 that is lower than that of the fiber claddings. The fibers are fused together along with the midregion of the matrix glass, the fiber cores being more closely spaced at the central portion of the midregion than at the body endfaces, thereby forming the coupling region.
Patent CA-2058469-A1 (CA)
Title: Styrene derivatives
Inventor: SCHAEFER BERND
IPC: C07D513/04
Filed: 1991-12-27
Abstract: O.Z. 0050/42124 Abstract of the Disclosure:  Styrene derivatives I                                      I   where R1 is H or halogon, R2 is halogen, R3 is H, halogen or C1-C4-alkyl, R4 is CN or C1-C6-alkylcarbonyl and A is a heterocyclic radical A1 to A5:                      , , ,    ,     where R5 and R6 are H, CH3 or C2H5, n is  0 or 1 and X is oxygen  or  sulfur,  with  the  proviso  that  R4  is alkylcarbonyl when R1 is H and at the same time A is A2 where n is 0, and agriculturally useful salts thereof, processes for the preparation of the styrane derivatives I and herbicides containing them.
Patent CA-2059139-A1 (CA)
Inventor: MITCHELL RICHARD J
IPC: A61M5/168
Filed: 1991-02-27
Abstract: A vaccum biased disposable infuser is provided having a liquid chamber (14) and at least one vacuum chamber (44). The liquid chamber 114) includes a liquid plunger (26) contained therein while the vacuum chamber (44) includes a vacuum plunger (48). The plungers (26, 48) are connected by an arm such that when liquid under pressure is provided to the liquid chamber (14), the vacuum plunger (48) is drawn back in the vacuum chamber (44). The device is further preloaded such that at the end of infu-sion, the vacuum plunger (48) does not abut against the vacuum chamber (44).
Patent CA-2062678-A1 (CA)
Title: Method of preparing surface-porous crosslinked copolymer beads
Inventor: YAMASHITA SEI-ICHI
IPC: C08F2/18
Filed: 1992-03-11
Abstract: ABSTRACT OF THE DISCLOSURE     Crosslinked copolymer beads having a non-porous, gel internal structure and a porous surface are prepared by polymerizing at least one monovinyl monomer and at least one polyvinyl monomer in the presence of a water-soluble polymerization inhibitor.
Patent CA-2064780-A1 (CA)
Title: Refining element and method of manufacturing same
Inventor: SHARPE PATRICK E
IPC: D21D1/30
Filed: 1990-02-05
Abstract: A refiner element (10) for the refining of fibrous material is provided with a comminuting surface of which at least a portion comprises an abrasive surface. The method of forming the refiner element (10) comprises casting a metal substrate (20) having a frontal surface (22), melting a relatively thin layer of the metal substrate on the frontal surface thereof to form a molten pool in the comminuting surface over the region thereof on which an abrasive surface is desired, depositing an abrasive material (38) into the molten pool formed in the metal comminuting surface (22) of the refiner element (10), and allowing the molten metal pool into which the abrasive material (38) has been deposited to solidify whereby the particles of abrasive material (38) are strongly bonded into the metal surface of the refining element to form the abrasive comminuting surface thereon. Most advantageously, the melting of a thin layer of the frontal surface (22) on the metal substrate (20) of the refiner element (10) is accomplished by directing unto the comminuting surface a laser beam (88) of sufficient intensity to melt the surface to a pre-determined depth.