baber/WOPTO huggingface dataset:
Patent CA-2250138-A1 (CA)
Title: Collapsed superabsorbent foams
Inventor: PALUMBO GIANFRANCO
IPC: A61F13/15
Filed: 1997-03-20
Abstract: A porous material for absorption of aqueous body fluids comprising superabsorbent polymer, which can swell upon absorption of aqueous liquids, and which forms a porous structure having a surface-to-mass ratio of at least 0.2 m2/g, characterized in that the pores of said porous structure are collapsed to less than a third of their expanded volume prior upon wetting with said aqueous body liquids; and in that the pores expand upon wetting with aqueous liquids. The collapsed material can be in particulate or in a sheetlike form.
Patent CA-2253428-A1 (CA)
Inventor: SCHEER GERHARD
IPC: B23B29/034
Filed: 1997-04-25
Abstract: The invention relates to a tool head for use in machine tools. The tool head has a basic body (10), a tool spindle (28) projecting axially above the basic body and connectable to a machine spindle, at least one working slide adjustable transversely to the axis (12) of the basic body and an adjusting motor (24) fitted in the basic body and acting on the working slide (16) in its adjustment direction via driving means (22, 72, 74, 68). To obtain a compact, easily assembled and reliable structure, the invention proposes that the driving means have an output shaft (72) running coaxially with the basic body and bearing a drive pinion (74) meshing with a rack (68, 124) on the working slide side. A further improvement in this respect is obtained if the adjusting motor (24) is fitted with a drive shaft (84) aligned with the output shaft (72) on the drive side. To improve ease of assembly, the tool head consists of three units which can be releasably assembled at axial separation points (30, 32), a slide unit containing the working slide (16), a drive unit (36) containing the adjusting motor and drive system and a connection unit (38) containing the tool shaft (28) and the power supply device (26).
Patent CA-2253471-A1 (CA)
Title: Device for enhancing transdermal sampling
Inventor: THEEUWES FELIX T
IPC: A61N1/30
Filed: 1997-06-18
Abstract: A device (10, 88, 98, 104) for piercing the stratum corneum of a body surface to form path-ways through which an agent can be withdrawn. The device com-prises: a sheet (6) having a plural-ity of microblades (4) extending downward therefrom for piercing the stratum corneum, and a col-lector (26, 90, 106) on the sheet (6) which withdraws the agent through the pathways.
Patent CA-2255198-A1 (CA)
Inventor: LIVINGSTONE PETER M
IPC: G01J3/12
Filed: 1998-12-02
Abstract: A resonant absorption cell (28) filled with a gas, selected in accordance with the wavelength of the laser radiation of interest, such as DF. The gas within the cell (28) is maintained at substantially atmospheric pressure. The energy state of the gas within the cell (28) is raised by either external resistance heating (FIG 9B) or optical pumping. In an increased energy state, gas molecules resonate with the incoming laser radiation causing the molecules to absorb incident photons before the gas molecules have a chance to re-radiate the captured photons, collisions with other gas molecules within the cell transfer the excitation energy into heat in order to filter out laser radiation but past all other wavelengths.
Patent CA-2256563-A1 (CA)
Title: Isothermal polymerase chain reaction by cycling the concentration of divalent metal ions
Inventor: ROSSAU RUDI
IPC: C12Q1/686
Filed: 1998-04-06
Abstract: The present invention provides an alternative PCR amplification which does not draw upon the use of thermostable DNA polymerases. It provides means for the controlled manipulation of denaturing conditions which do not demand the use of high denaturing temperature. More particularly, it provides means for the controlled oscillation of divalent metal ions, preferably of divalent metal ions such as Cu2+, Zn2+, Mn2+ and Cd2+, which are known to destabilize the DNA helix and thereby decrease the melting temperature of the DNA helix. The invention also provides methods for the automatization of this process. For instance, by means of cathodic reduction of the divalent metal species the concentration can be decreased to levels that allows for reannealing of separated strands with the primers; while oxidation of deposited metals or oxidation of monovalent metal ions, can restore the initially high concentration that allows for separation of both strands that make up the DNA helix. Electrolytic control of metal ion activity hence provides a tool for the repetitive isothermal denaturation of duplex DNA, and consequently can be used as a substitute for thermal cycling in the amplification of genetic material. Isothermal denaturation of dsDNA may be of considerable importance in the biotechnology and biomedical industry. A key advantage of this method is that it opens perspectives for a wide range of DNA polymerases that can be used with this reaction.
Patent CA-2260845-A1 (CA)
Title: Oral preparation containing at least one active pharmaceutical substance in a matrix capable of swelling in an aqueous medium
Inventor: CREMER KARSTEN
IPC: A61K47/36
Filed: 1997-08-29
Abstract: An oral preparation contains in a matrix capable of swelling in an aqueous medium at least one active pharmaceutical substance which is released in the aqueous medium when the matrix swells therein, in a retarded manner, while the matrix is largely resistant to decomposition during the release process. The preparation is characterised in that it consists of a stratified tablet with layers which adhere onto each other and of which at least one layer is the swellable matrix layer and at least another layer is an auxiliary and/or substrate layer. The swellable matrix layer contains a certain proportion of cross-linked amylose.
Patent CA-2261709-A1 (CA)
Title: Tertiary phosphines containing alkylene glycol groups
Inventor: HABER STEFFEN
IPC: C07C309/66
Filed: 1997-07-21
Abstract: A compound is disclosed having the formula (I), in which m equals 1 to 1000; x equals 0 to 4; W is a group of formulas -CH2-CH2-, -CH(CH3)CH2- or -CH2CH(CH3)-; R is hydrogen, a straight-chain or branched-chain C1-C5 alkyl radical; or a group of formulas (a) or (b), in which a, b, c, d and e independently represent a number from 0 to 1000, at least one of the numbers represented by a, b, c, d and e being higher than 0; R5, R6, R7, R8 and R9 are the same or different and represent hydrogen, C1-C5 alkyl or a group of formula (c); R1 and R2 are the same or different and represent a straight-chain, a branched-chain or a cyclic C1-C30 alkyl radical or C6-C10 aryl radical which is non-substituted or substituted by one to five C1-C3 alkyl radicals, or R1 and R2 form together with the trivalent P atom a dibenzophospholyl of formula (d) or a 3,4-dimethylphospholyl of formula (e); and L stands for C1-C5 alkyl, C1-C5 alkoxy, NO2, NR3R4, R3 and R4 independently representing hydrogen or C1-C4 alkyl, or for Cl or OH.
Patent CA-2265226-A1 (CA)
Inventor: KUO CHUN-CHEN
IPC: A63D15/14
Filed: 1999-03-11
Abstract: A billiard cue repairing machine includes planing device, an edge cutting device, a micro-cutting device, and an end cutting device to allow for repair of a billiard cue in an automated fashion. The billiard cue is held in position by a cue clamping mechanism. A drive element drives is used to rotate the billiard cue and the micro-cutting device. The planing device and the edge cutting device are respectively disposed on both sides of a to-be-repaired end of the billiard cue, with adjacent sides provided with a plane knife and a cutter, respectively. The planing device is manually controllable by means of a first axial gear mechanism to cause its cutter to cut the to-be-repaired end of the billiard cue to form a rod adapted to receive a plastic sleeve. The edge cutting device has a second axial gear mechanism and an elastic transverse displacement mechanism that displace in directions substantially perpendicular to each other. By means of the elastic transverse displacement mechanism, a cutter is manually controllable to urge against the to-be-repaired end of the billiard cue. The axial gear mechanism is used to control the elastic transverse displacement mechanism to displace in the other direction to cut the uneven portions of the billiard cue and the plastic sleeve. The micro-cutting device utilizes a rotary disk to carry a rubber head so as to allow cutting of an uneven bottom side of the rubber head by a cutter. The end cutting device is utilized to cut the uneven portions of the rod and plastic sleeve to make them even to facilitate adhering of the rubber head.
Patent CA-2265555-A1 (CA)
Title: Process and device for increasing the reach of transmission paths between functional units of an isdn subscriber connection with a minimized band width
Inventor: HELBIG KLAUS
IPC: H04M3/00
Filed: 1997-09-12
Abstract: It is the objective of this invention to create a process and a device which permit increasing the working range of transmission paths between functional units of an ISDN subscriber line with minimum bandwidth relative to the ISDN  interface. The invention achieves the objective by means of a process in which (a) the data transmission is done so that the coded data specific to ISDN is converted into binary code on both the network side and the terminal side using a code converter, (b) the entering data of the B channels are prepared in segments of equal length for B1 and B2 channel data in a memory unit and subsequently fed to the transmission device and sent to the receiver side. The data leaving the storage device are checked for consistency and compressed;  (c) blocks are formed out of the entering data of the D channel blocks and fed into the transmission device for transmission to the receiver side, (d) the ISDN-specific clock pulses are regained out of the temporal sequence of the transferred data bits on the terminal side or net side, respectively, by means of clock pulse recovery elements, and (e) the received data bits are analyzed, detected D channel blocks are disassembled and fed directly into a code converter, and detected B channel data is decompressed and the binary-coded data converted into coded data specific to ISDN.
Patent CA-2267535-A1 (CA)
Inventor: PROST MICHEL
IPC: H03K3/037
Filed: 1999-04-15
Abstract: L'invention concerne l'acquisition d'un signal analogique binaire à l'entrée d'un circuit intégré numérique après que sa plage de variation de tension ait été adaptée à celle admissible par le circuit intégré numérique au moyen d'un pont diviseur résistif. Il est habituel de définir l'architecture d'un circuit intégré numérique ASIC à partir de bibliothèques de cellules précaractérisées. L'invention a pour but d'augmenter les possibilités de choix du concepteur de circuit intégré en lui permettant de choisir une cellule précaractérisée de trigger de Schmitt pour son seuil de basculement haut et une autre pour son seuil de basculement bas. Elle consiste en un circuit comportant en entrée un banc de triggers de Schmitt (1, 2, 3) de différents types suivi d'un circuit logique de discrétisation (4) déduisant l'état logique du signal analogique d'entrée binaire de la combinaison des états de sortie des triggers de Schmitt d'entrée (1, 2, 3).
Patent CA-2268151-A1 (CA)
Title: Detector for detecting a human body on a seat
Inventor: YOSHINAGA KENJI
IPC: B60R21/015
Filed: 1996-10-04
Abstract: A human body detector for a seat which does not deteriorate comfort of sitting even when it is disposed on the seat, has a high sensitivity and can be easily fitted to the seat. Vibration detection means (5) is disposed in such a manner that even when a person is seated, the means (5) comes into contact with the bottom surface of a seat pad (16) of a seat (19) and accordingly the person does not feel the means (5). According to this construction, the human body does not easily feel the means (5) by the provision of the seat pad (16), the existence of the vibration detection means (5) is hardly felt even when the hardness and the shape are changed, and various measures for improving the sensitivity of the vibration detection means (5) can be taken. The vibration detection means (5) may be merely bonded to the seat pad (16) or may be fixed to a seat spring (17) or a seat frame (18), and can be fitted more easily to the seat (19) than when it is disposed below a surface cloth (15) of the seat (19).
Patent CA-2269325-A1 (CA)
Title: A mouldable mass of a hypoallergenic, non-memory putty-like adhesive for use in connection with an ostomy appliance
Inventor: CIOK DANUTA
IPC: A61F5/448
Filed: 1997-10-22
Abstract: A mouldable mass of a hypoallergenic, substantially non-memory putty-like adhesive for use in connection with an ostomy appliance, said mass comprising: a) 1 to 20% by weight of a block copolymer having a major content of di-block copolymer, b) 5 to 60% by weight of a tackifying liquid constituent, and c) 1 to 10% by weight of a waxy constituent has superior quality with respect to cohesion, gives the mass resistance against erosion and at the same time enables the removal of the mass as an integrated unit without leaving residues at the skin.
Patent CA-2272921-A1 (CA)
Title: Method of processing encrypted video data for generating decrypted program data
Inventor: BLATTER HAROLD
IPC: H04N21/4405
Filed: 1997-10-28
Abstract: A decoder (25) excludes an encryption code or key from decrypted or non-encrypted program output data. Decrypted program representative data is generated (33, 50) from an input datastream containing encrypted program data and an associated encryption code. The encrypted program data is decrypted (130, 33, 50) using the encryption code to provide decrypted program data. An output datastream is formed containing the decrypted program data but excluding the encryption code. The encryption code may be excluded by substituting (110, 55, 60, 115) non-encryption code data for the encryption code. The output datastream may also contain ancillary data formed (115) to support decoding of the decrypted program data.
Patent CA-2273283-A1 (CA)
Inventor: TAKANO TSUNESUKE
IPC: H01H13/02
Filed: 1999-05-31
Abstract: Disclosed is a push button switch and support structure therefor comprising a housing, a push button switch secured to the housing and having an actuator thereon, a push button for engaging the actuator to operate the switch, first engagement means on the underside of the push button and second engagement means on the housing mating with the first engagement means, one of the engagement means being of polygonal cross-section and the other of the engagement means being of circular cross-section whereby, on mating one within the other, a plurality of linear contacts are effected between the first and second engagement means.
Patent CA-2273883-A1 (CA)
Inventor: BHAGAVATULA VENKATA ADISESHAIA
IPC: G02B6/26
Filed: 1997-12-04
Abstract: Cette invention se rapporte à un organe de couplage pour un dispositif optique qui disperse les longueurs d'onde le long d'une ligne focale et qui comporte des surfaces réfléchissantes qui renvoient le rayonnement issu d'un plan de propagation et l'amènent en alignement avec une matrice d'éléments d'entrée ou de sortie. Certaines de ces surfaces réfléchissantes sont décalées par rapport à la ligne focale de sorte que les éléments d'entrée ou de sortie sont rapprochés les uns des autres le long de la ligne focale.
Patent CA-2274176-A1 (CA)
Inventor: MORRIS ROBIN JEREMY RICHARD
IPC: G02B6/12
Filed: 1998-02-06
Abstract: A tapered rib waveguide tapering from a large, multi-mode optical waveguide to a smaller, single-mode optical waveguide, the tapered rib waveguide comprising two portions (4, 5) formed of the same material: a lower portion (4) which tapers laterally from the large waveguide to the smaller waveguide and an upper portion (5) formed on the lower portion (4), which tapers to a point (or other form of termination), the dimensions of the two portions (4, 5) being such that substantially all of a fundamental mode propagated in the large multi-mode waveguide is coupled to the smaller, single-mode waveguide.
Patent CA-2275865-A1 (CA)
Title: Method for detecting cell proliferative disorders
Inventor: SIDRANSKY DAVID
IPC: C12Q1/6883
Filed: 1997-08-28
Abstract: The present invention relates to the detection of a cell proliferative disorder associated with alterations of microsatellite DNA in a sample. The microsatellite DNA can be contained within any of a variety of samples, such as urine, sputum, bile, stool, cervical tissue, saliva, tears or cerebral spinal fluid. The invention is a method to detect an allelic imbalance by assaying microsatellite DNA. Allelic imbalance is detected by observing an abnormality in an allele, such as an increase or decrease in microsatellite DNA which is at or corresponds to an allele. An increase can be detected as the appearance of a new allele. In practicing the invention, DNA amplification methods, particularly polymerase chain reactions, are useful for amplifying the DNA. DNA analysis methods can be used to detect such a decrease or increase. The invention is also a method to detect genetic instability of microsatellite DNA. Genetic instability is detected by observing an amplification or deletion of the small, tandem repeat DNA  sequences in the microsatellite DNA which is at or corresponds to an allele. The invention is also a kit for practicing these methods.
Patent CA-2276875-A1 (CA)
Title: Insecticidal oxadiazine compounds
Inventor: MCDONALD PAUL THOMAS
IPC: A01N47/38
Filed: 1997-12-16
Abstract: Insecticidal substituted oxadiazines having formula (I), wherein R is an optionally substituted C4-C5 heterocyclic group and R' is hydrogen, halogen, C1-C4 haloalkyl or C1-C4 haloalkoxy, insecticidal compositions containing these oxadiazines, and methods for their use.
Patent CA-2277837-A1 (CA)
Inventor: WALFORD GRAHAM V
IPC: G01G9/00
Filed: 1997-12-12
Abstract: A system and method for producing paper product from a wetstock solution using a sensor for sensing resistive impedance changes of the wetstock on the support web of the system. The resistive impedance changes are used to measure, for example, the water weight of the wetstock. The system includes a fixed impedance element coupled in series with a sensor portion between an input signal and ground. The sensor portion includes two electrodes with the wetstock passing between and in close proximity to the electrodes. The sensor exhibits a variable impedance resulting from changes in the physical characteristics of the wetstock.      The fixed impedance element and the variable impedance of the sensor portion form a voltage divider network such that changes in impedance of the sensor portion result in voltage changes which are measured, converted to impedance changes of the wetstock, and related to water weight of the wetstock.
Patent CA-2281058-A1 (CA)
Title: Process and apparatus for upgrading hydrocarbon feeds containing sulfur, metals, and asphaltenes
Inventor: RETTGER PHILIP B
IPC: C10G67/04
Filed: 1999-08-30
Abstract: Upgrading of a hydrocarbon feed containing sulfur, metals, and asphaltenes involves applying the feed to a distillation column for producing a substantially asphaltene-free, and metal-free distillate fraction and a non-distilled fraction containing sulfur, asphaltenes, and metals. At least some of the substantially asphaltene-free, and metal-free distillate fraction is converted to a hydrogen donor diluent. The non-distilled fraction is processed in a solvent deasphalting unit for producing a deasphalted oil stream and an asphaltene stream. After a combined stream is formed from the hydrogen donor diluent and the deasphalted oil stream, the combined stream is thermally cracked forming a thermally cracked stream that is applied to the distillation column.
Patent CA-2283606-A1 (CA)
Inventor: NGUYEN-HUU LANG
IPC: F16B39/32
Filed: 1999-09-27
Abstract: A fastener for anchoring in a support structure, such as a ceiling made of gypsum, in combination with a locking ring for substantially preventing the fastener from accidentally loosening from the ceiling comprises a first member adapted to be inserted in the support structure for firmly anchoring the fastener thereto and also comprising a second member adapted to be located externally of the ceiling. The locking ring includes anchoring teeth for stationarily mounting the locking ring to the ceiling. The second member and the locking ring comprise co-operating locking ratchet elements for locking the fastener to the locking ring and thus preventing the fastener from loosening from the ceiling.  The second member comprises a pair of diametrically opposed first ratchet teeth for co-operating with a series of second ratchet teeth provided on the locking ring such that the second ratchet teeth ride along the first ratchet teeth upon rotation of the fastener and with the locking ring being anchored to the ceiling. The locking ring defines at a central opening thereof at least one notch with the fastener defining at least one tab with the notch being slidable through the tab for mounting the locking ring to the fastener and then allowing it to rotate between the tab and the second member, whereby the locking ring is prevented from being removed from the fastener unless the tab and notch are aligned.
Patent CA-2284195-A1 (CA)
Inventor: EICKHOFF HOLGER
IPC: G01N27/447
Filed: 1999-01-29
Abstract: The invention relates to an electrophoresis device comprising a plurality of capillary columns (10) each having a detection area (10a), and a detection device (40) having an imaging device (41) and a detecting camera (42). The capillary columns are mounted on a shared fixing device (50) in such a way that the detection areas (10a) form a straight row (13) which is imaged on the detecting camera by means of the imaging device.
Patent CA-2284439-A1 (CA)
Inventor: DI CINTIO GUISEPPE
IPC: A61F5/41
Filed: 1999-09-16
Abstract: An apparatus for enlarging a penis comprises a base member defining a first throughpassage and a longitudinal axis. An extension member defines a second hollow throughpassage and is engageable with the base member such that the first and second throughpassages are aligned one with the other, and for selective movement between an initial collapsed configuration and a plurality of longitudinally fixed extended configurations. A locking pin locks the base member and the extension member together in a selected one of the plurality of longitudinally fixed configurations. A looped cord is mounted on the extension member so as to be engageable around the penis below the head. The apparatus is put in place, while in the initial collapsed configuration, with the base member against a user's pubic area and with the user's penis in the first and second throughpassages. The looped cord is engaged around the penis so as to grip it. The extension member is directly manually moved by hand to a selected one of the longitudinally fixed configurations, thereby causing the looped cord to apply tension to the penis. The extension member is locked in the selected configuration by the locking pin.
Patent CA-2289124-A1 (CA)
Title: Use of cd26 inhibitor for the manufacture of a medicament for the treatment of hiv
Inventor: HUBER BRIGITTE T
IPC: A61K35/12
Filed: 1998-04-30
Abstract: The use of a molecule that inhibits CD26 for the preparation of a medicament for increasing the immune response of a human patient infected with HIV, by contacting the T-cells, in vitro or in vivo, with the said molecule at a concentration effective to cause T-cell proliferation, but below an amount that causes detectable cytotoxicity.
Patent CA-2289606-A1 (CA)
Title: Quiet rotor blade and wind energy installation equipped with rotor blades of this type
Inventor: WOBBEN ALOYS
IPC: F03D1/06
Filed: 1998-09-04
Abstract: The invention concerns a rotor blade and a wind power installation having a rotor blade provided with a rotor blade trailing edge, wherein the rotor blade tapers towards the rotor blade trailing edge. The invention is distinguished in that, in the region of the rotor blade trailing edge, the degree of taper of the rotor blade increases in a direction towards the rotor blade trailing edge, and there is no stair-like step in the rotor blade at least in said region of the rotor blade.