baber/WOPTO huggingface dataset:
Patent CA-2155096-A1 (CA)
Title: 2,2'-bi-1h-pyrrole derivates with immunomodulating activity
Inventor: DORIA GIANFEDERICO
IPC: A61K31/535
Filed: 1994-12-02
Abstract: New and known 5-[(2H-pyrrol-2-ylidene)methyl]-2,2'-bi-1H-pyrrole derivatives, having immunomodulating activity and, represented by general formula (I) wherein, subject to a proviso, R1 represents hydrogen, phenyl, C1-C20 alkyl or C2-C20 alkenyl, wherein the alkyl and alkenyl groups may be unsubstituted or substituted by 1 to 3 substituents chosen independently from halogen, C1-C6 alkoxy, hydroxy, aryl and aryloxy; R2 represents hydrogen, C1-C6 alkyl, cyano, carboxy or (C1-C6 alkoxy)carbonyl; R3 represents halogen, hydroxy or C1-C11 alkoxy unsubstituted or substituted by phenyl; R4 represents hydrogen, C1-C6 alkyl or phenyl; each or R5 and R6 independently represents hydrogen, C2-C20 alkanoyl, C3-C20 alkenoyl, phenyl, C1-C20 alkyl or C2-C20 alkenyl, wherein the alkanoyl, alkenoyl, alkyl and the alkenyl groups may be unsubstituted or substituted by 1 to 3 substituents chosen independently from halogen, C1-C6 alkoxy, hydroxy, aryl, aryloxy, cyano, carboxy, (C1-C6 alkoxy)carbonyl, (C3-C4 alkenyl)carbamoyl, aralkylcarbamoyl, arylcarbamoyl and -CONRcRd in which each of Rc and Rd independently is hydrogen or C1-C6 alkyl or Rc and Rd, taken together with the nitrogen atom to which they are linked, form a morpholino or piperidino ring; or two of R4, R5 and R6 taken together form a C4-C12 polymethylene chain, which can be unsubstituted or substituted by a C1-C12 alkyl, by a C2-C12 alkenyl or by a C1-C12 alkylidene group, wherein the alkyl, alkenyl and alkylidene groups may be in turn unsubstituted or substituted by a substituent chosen from halogen, C1-C6 alkoxy, hydroxy, cyano, carboxy, (C1-C6 alkoxy)carbonyl, aryloxy and aryl; the remaining one being hydrogen or C1-C12 alkyl; and the pharmaceutically acceptable salts thereof, are disclosed.
Patent CA-2156535-A1 (CA)
Inventor: GOODE MARK GREGORY
IPC: C08F2/40
Filed: 1995-08-18
Abstract: A process for the production of polypropylene comprising continuously contacting propylene or a mixture comprising propylene and one or more other alpha-olefins, in two or more reaction zones connected in series, under gas phase polymerization conditions, with a catalyst system comprising (i) a solid particulate catalyst precursor, which includes magnesium; titanium; a halogen which is chlorine, bromine, or iodine, or mixtures thereof; and, as an inside electron donor, a carboxylic acid ester; (ii) a hydrocarbylaluminum cocatalyst; and (iii) as an outside electron donor, a silicon compound containing at least one silicon-oxygencarbon linkage or a carboxylic acid ester, subject to the following conditions:   (a) introducing the catalyst precursor into the first reaction zone only; (b) in the first reaction zone or in a first series of two or more reaction zones, partially deactivating the catalyst precursor with a deactivator and simultaneously increasing the monomer level wherein the deactivation and the increase in monomer level are effected in sufficient amounts to achieve a desired resin productivity in the first reaction zone(s); (c) transferring resin product together with catalyst precursor residue from the first reaction zone or the last reaction zone of the first series of reaction zones to a second reaction zone (A) having purged the deactivator in a purge zone prior to the entry of the precursor residue into the second reaction zone and/or (B) adding cocatalyst, as an activator, and/or another activator to the purge zone or the second reaction zone wherein the activation is effected in sufficient amount to achieve a desired resin productivity in the second reaction zone; and (d) optionally, repeating steps (b) and/or (c) in one or more succeeding reaction zones.
Patent CA-2158150-A1 (CA)
Title: Bit rate detection
Inventor: KOENZEN RALF
IPC: H04L25/02
Filed: 1994-03-08
Abstract: State-of-the-art data transmission equipment, such as modems with standardized AT instruction set, generally allow various data transmission speeds from and to the data terminal.  In order to obtain a process which allows high bit rates to be reliably recognized with small loading of the CPU of the data transmission equipment, the serial data flow runs through a digital delaying stage, the duration of the first bits having the value  "0"  is measured while the data flow runs through the delaying stage, and the bit rate calculated from said measurement is programmed into an integrated serial data transmission component.  Also disclosed is a device for carrying out said process.
Patent CA-2159602-A1 (CA)
Title: Stable liquid compositions of gamma interferon
Inventor: NGUYEN TUE
IPC: A61K47/26
Filed: 1994-05-04
Abstract: The present invention concerns stable liquid pharmaceutical compositions comprising gamma interferon (IFN-.gamma., also known as immune interferon). The invention specifically covers stabilized aqueous pharmaceutical compositions comprising multiple doses of a therapeutically effective amount of IFN-.gamma. for repeated administration.
Patent CA-2162157-A1 (CA)
Title: Polyoxime compounds and their preparation
Inventor: ROSE KEITH
IPC: A61K47/48
Filed: 1994-05-05
Abstract: Provided by this invention are essentially homogeneous, defined compositions of matter and hetero-polyoximes of defined structure comprising a baseplate structure having a plurality of oxime bonds, wherein each oxime bond links a specifically active molecule to the baseplate. Also provided are novel baseplates having a plurality of oxime forming complementary reactive groups and novel specifically reactive molecules having an oxime forming complementary reactive group. Also provided by this invention are methods of preparing these novel compositions of matter by chemoselectively ligating via oxime bond formation a complementary orthogonal reactive group on the baseplate to a complementary reactive orthogonal group on a specifically active molecule. Methods of using these defined compositions of matter as well as pharmaceutical compositions comprising these defined compositions of matter and methods of their use are also provided by this invention.
Patent CA-2164883-A1 (CA)
Inventor: BELDEN DENNIS D JR
IPC: A47L19/04
Filed: 1995-12-11
Abstract: A dish draining rack (10) is disclosed comprising a central upwardly opening chamber (12) defined by longitudinal side panels (18,20) and end panels (26,28). The side panels (18, 20) are formed to include a series of convoluted concave depressions (30) defined by concave depression side walls (32). Edge portions (40) of the floor surface (16) cant downward from the center to the side panels (18,20), and a passageway (34) is positioned below each depression (30) and extends through the floor surface (16). An inverted glass positioned upon the edge surface portion (40) tilts into one of the depressions (30) where it is supported by the depression concave side walls (32). So positioned, water in the glass collects and travels along an outward surface of the glass to the floor surface (16) and thence through the passageways (34) through the floor edge portions (40) to a mat below the rack.
Patent CA-2165870-A1 (CA)
Title: Modified polymers
Inventor: CHOUDHERY RIAZ AHMAD
IPC: B29C48/07
Filed: 1995-12-21
Abstract: The invention provides a process for preparing a functionalised organic polymer comprising (i) a structural unit derived from a cleaved organic polymer, the cleavable polymer having a weight average molecular weight of greater than 5,000, and having a cleavable unit in its backbone, and (ii) a cross-linkable unit derived from a multifunctional compound having a weight average molecular weight of less than 5,000, the multifunctional compound having at least one functional group capable of reacting with the cleavable unit to cleave the polymer and to form a bond between the multifunctional compound and the cleaved polymer, and at least one further functional group which is capable of undergoing a cross-linking reaction with a cross-linking agent or with other functional groups or cleavable groups in the functionalised or cleavable polymer, which process comprises reacting the polymer and the multifunctional compound together at a temperature of between 50-350°c whilst being intimately mixed under conditions of shear, and quenching the reaction.
Patent CA-2166628-A1 (CA)
Title: Method and data structure for the control of switching centers in a telecommunications network
Inventor: FILS HENRY
IPC: H04M15/00
Filed: 1995-04-20
Abstract: The invention relates to a method and data structure for controlling switching centers (1, 14, 17, 19, 21, 23, 25, 27). According to the invention switching centers (1, 14, 17, 19, 21, 23, 25, 27) are controlled to update the control information stored in the semipermanent databases of said switching centers (1, 14, 17, 19, 21, 23, 25, 27) with information retrieved from service database (5) and the update operation of said semipermanent databases of said switching centers (1, 14, 17, 19, 21, 23, 25, 27) is chained so that selected switching centers (1, 14, 17, 19, 21, 23, 25, 27) of desired telecommunications networks are arranged to perform sequentially the updating of their control information with information retrieved from said service database (5).
Patent CA-2167148-A1 (CA)
Title: Parking brake
Inventor: GOLARZ PAUL B
IPC: B60T7/02
Filed: 1996-01-12
Abstract: A parking brake mechanism having a spring pressed rotary assembly providing a cable connection movable in opposite directions within an arcuate path and a cylindrical surface movable in opposite directions within the plane of the cylindrical surface in conjunction with the movement of the cable connection. A helical coil spring is provided having a series of volutes constructed and arranged to be biased to engage the exterior cylindrical surface and a movable end portion constructed and arranged to be moved from a normal imperative position into a volute-disengaging position wherein the normal biased engagement of the volutes with the exterior cylindrical surface is relieved to allow the cylindrical surface to move in opposite directions within the plane thereof and the cable connection to move in opposite directions within the arcuate path thereof and the movable end portion is constructed and arranged with respect to an abutment and a lever assembly which carries the rotary assembly such that (1) when the lever assembly is in a brake-releasing position the movable end portion is maintained by the abutment in the volute-disengaging position thereof to allow the cable connection to move within the arcuate path thereof in opposite directions to maintain a desired slack tension on a cable connected therewith and (2) when the lever assembly is out of the brake-releasing position thereof the movable end portion is maintained in the normal inoperative position thereof so that during the movement of the lever assembly out of the brake-releasing position thereof into a brake-applying position thereof the cable connection will pull a cable connected thereto.
Patent CA-2167484-A1 (CA)
Title: Method and apparatus for non-contact reading of a relief pattern
Inventor: RICE DAVID A
IPC: G06K7/10
Filed: 1994-07-14
Abstract: There is disclosed a non-contact apparatus and method for reading a surface (8) that has information encoded in a relief pattern thereon. The apparatus comprises an optical transmitted (2) for projecting a line of light (6) onto the relief pattern at a first angle to a normal of the surface; an optical receiver (3) that views the projected line of light at a second angle to the normal of the surface and produces a signal that is representative of an image of the reflection thereon. The image viewed by the receiver has parallactic displacements (20) of the line of illumination that occur at transitions between raised and recessed portions of the relief pattern (28). The displacements (20) are detected by a pattern detector (4) which is coupled to the optical receiver (3) and submitted to a decoder (5). The optical receiver (3) can be realized as a plurality of light sensors arranged in a linear, or a two dimensional array (22, 26) together with suitable focusing optics (21, 24). The optical transmitter (2) can produce either a fan beam of light or sweep a spot of light across the surface.
Patent CA-2175039-A1 (CA)
Title: Separator
Inventor: FAGAN GARRY WILLIAM
IPC: B01D21/00
Filed: 1994-10-25
Abstract: There is disclosed a hydro-dynamic separator incorporating a solids interceptor (21) upstream of the overflow (19) for inter-cepting solid matter above a predetermined size entrained in liquid flowing towards the overflow (19), the solids interceptor (21) comprising: (a) a wall (51) terminating in an upper edge (51a) which constitutes a weir in the flow path of liquid flowing to the over-flow (19); (b) a barrier (53), extending from the said wall (51 ) towards a solids collection region (55), said barrier (53) comprising a plurality of openings (69) to permit flow of liquid therethrough but to retain solids, the upper surface of the barrier (53) being dis posed such that solids retained on the barrier (53) are washed across the surface by the flow of liquid towards the solids collection region (55); and (c) a liquid collection region (59) beneath the barrier (53) for collecting liquid flowing through the openings (69) in the barrier (53), said liquid collection region (59) being in fluid communication with the overflow (19) of the separator.
Patent CA-2175692-A1 (CA)
Inventor: LEROUX-ROELS GEERT
IPC: C07K14/18
Filed: 1994-10-28
Abstract: L'invention concerne un polypeptide d'environ 8 à environ 100 aminoacides comprenant ou consistant en au moins 8 aminoacides contigus sélectionnés parmi les régions du noyau et/ou E1, et/ou E2, et/ou NS3 de la polyprotéine du VHC, lesdits aminoacides contigus contenant un épitope de stimulation des lymphocytes T.
Patent CA-2176161-A1 (CA)
Inventor: FIORINO MARY ELAINE
IPC: C23F13/00
Filed: 1996-05-09
Abstract: A method of protecting metals from corrosion by applying an alternating voltage to them, thereby reversing the metal's polarity with respect to its surroundings.  Particular applications are for metals which are buried in soil or are exposed to an electrolyte.  Amphoteric metals which are subject to cathodic corrosion are protected.  Steels, which are subject to hydrogen embrittlement when made cathodic, are also protected by polarity reversal.
Patent CA-2176812-A1 (CA)
Title: A combination of a tool holder and a tool
Inventor: NIELSEN MOGENS BJARNE
IPC: B23B31/107
Filed: 1994-11-18
Abstract: A tool holder (15) having radially movable jaws or gripping members (11) define an axial tool shank receiving passage therebetween. A tool (27) having a shank portion (28) which may be received in the shank receiving passage of the tool holder (15). The jaws or gripping members (11) and the shank portion (28) of the tool define cooperating male and female retaining means (29, 30) for releasably retaining the shank portion of the tool within the shank receiving passage of the tool holder. The female retaining means comprises an annular channel or groove (29) for receiving the male retaining means (30) therein.
Patent CA-2177384-A1 (CA)
Title: Particulate flavour compositions and process to prepare same
Inventor: BLAKE ANTHONY
IPC: A23L27/00
Filed: 1994-10-17
Abstract: The process provides particulate flavour compositions having a flavour oil fixed in a particulate polyol material.  It consists in mixing a mono- or disaccharide, a polysaccharide and water with a minor but flavour effective amount of a flavour oil such that the resulting particular flavour compositions possess a Tg below room temperature, and extruding the resulting homogeneous substrate at a temperature to form a melt which on cooling solidifies as a hard rubbery amorphous material having said flavour oil entrapped therein.
Patent CA-2179987-A1 (CA)
Title: Monohydrate of (e)-2'-deoxy-2'-(fluoromethylene)cytidine
Inventor: DONALDSON RICHARD E
IPC: A61K31/7068
Filed: 1994-12-13
Abstract: The present invention relates to the novel monohydrate or (E)-2' deoxy-2'-(fluoromethylene)cytidine useful as a ribonucleotide reductase inhibitor in the treatment of patients afflicted with neoplastic or viral disease states.
Patent CA-2185474-A1 (CA)
Title: Top speed adjustment system for a dc series field motor
Inventor: PHILP TIMOTHY WAYNE
IPC: H02P7/10
Filed: 1996-09-13
Abstract: A DC series field motor with a top speed adjustment system in accordance with the present invention includes a motor field coil, a motor armature, a power supply, and a variable resistor. The motor field coil and the motor armature arecoupled in series to the power supply and a variable resistor is coupled in parallel with the motor field coil. The motor armature rotates at a first speed in response to the first strength of the magnetic field generated by the motor field coil. When the resistance of the variable resistor is adjusted, the first strength of the first magnetic field is adjusted to a second strength and the motor armature rotates at a second speed in response to the second strength.
Patent CA-2185965-A1 (CA)
Inventor: STREIFF FELIX
IPC: B29B7/88
Filed: 1996-09-19
Abstract: Mixing device (2) for mixing a low-viscosity fluid into a high-viscosity fluid comprises the following parts: a main line (2a) for carrying the high-viscosity fluid and having inbuilt static mixing units (1a) of a main mixer (1); a branch line (2b) for a branch flow which is routed from the main line to the inlet of the main mixer, the main line and branch line of the main mixer being constructed from pipe sections (24, 25) with essentially parallel axes; a pump (3) located in the branch line; a static auxiliary mixer (5) at the end of the branch line; and a nozzle (40) at the inlet to the auxiliary mixer for feeding in the low-viscosity fluid.
Patent CA-2187037-A1 (CA)
Title: Polymeric waterproofing membrane
Inventor: BINDSCHEDLER-GALLI URS ALEXAND
IPC: B32B7/022
Filed: 1996-10-02
Abstract: The inventive polymeric waterproofing membra-ne, having a considerably improved biaxial elongation, compared with conventional polymeric waterproofing mem-branes, and comprising a composite of an upper layer and a lower layer as well as an in between situated barrier layer, is characterized in that - the barrier layer is built up on the basis of at least one organic polymeric material, - the upper layer and the lower layer are built up on the basis of at least one of such an organic polymeric material, which has better mechanical charac-teristics in comparison to the in said barrier layer used organic polymeric material, - said upper layer and said lower layer are built up of the same or of different materials, - said organic polymeric material for the bar-rier layer is provided such, that it is not damaged on occasion of a biaxial elongation of the polymeric water-proofing membrane, and - that on occasion of a biaxial elongation of the polymeric waterproofing membrane no separation of the layers occurs.            The inventive polymeric waterproofing membra-nes may be used - for the sealing, covering, coating, isolati-on of deposits and land-fills, which serve for the reception of liquid and solid wastes, - for the protection of waters and underground water as well as grounds and soils, and - for the protection of buildings and con-structions which are in contact with contaminated medi-ums.
Patent CA-2187617-A1 (CA)
Title: Electrolytic water treatment
Inventor: SADLER PETER
IPC: C02F1/463
Filed: 1995-04-11
Abstract: Treatment of liquid passing through a reactor which has at least one pair of electrodes. The liquid is subjected to direct current to provide any one of a number of effects, including chlorination treatment, direct disinfection or removal of unwanted solids or elements. The polarity of the current passing through the electrodes is reversed to enhance the useful life of the electrodes. During the reversal of polarity a period of zero current is maintained and is found to enhance the life of the electrodes.
Patent CA-2189393-A1 (CA)
Title: Combined electronic ignition and alarm system
Inventor: REGAZZI GIANNI
IPC: B60R25/04
Filed: 1996-11-01
Abstract: An electronic ignition and alarm system for motorcycles.          An electronic circuit (22) for reading a coded signal emitted by  a  code-generating  integrated  circuit  (18)  inside  the ignition  key  (19),  can  be  connected  inductively  or  by electric contact means to a microcontroller (21) programmed to enabling the operation of the ignition circuit (10) of the engine after identification of the coded-signal. The coded-signal reader (22) and the microcontroller (21) are fed by a power source (23) comprising a capacitor (C3) for storing the energy supplied by the voltage  generator of  the  ignition circuit (10) of the motorcycle. The energy storage capacitor (C3)  can be connected to the voltage generator  (11)  via a first low-impedance circuit comprising an electronic trigger switch  (T1)  deactivated by  a  control  circuit  (33)  which controls the charging voltage of the energy storage capacitor (C3)  upon start-up of the engine, before activation or the ignition circuit (10), or, respectively, via a high-impedance circuit  (34)  which maintains  the  charging voltage  of  the capacitor  (C3)  to reduce current drainage  of  the  voltage generator  (11) by the capacitor  (C3)  during running of  the engine.
Patent CA-2191164-A1 (CA)
Inventor: SIDDELL DERRECK
IPC: H02K1/28
Filed: 1996-11-25
Abstract: This invention relates to improvements made in the construction of the rotor of an asynchronous dynamoelectric machine. In particular, this invention is directed to a method of brazing rotor bars to end rings of the rotor of a squirrel cage motor. The invention describes a method of brazing a pair of end rings to the ends of amortisseur bars in such a manner that the amortisseur bars are located in pockets provided in the end rings to captivate the bars prior to, and during a brazing operation.
Patent CA-2191922-A1 (CA)
Title: Process and apparatus for producing decorative articles
Inventor: CAHILL PATRICK ANDREW
IPC: B44C5/00
Filed: 1996-12-03
Abstract: A process for producing two decorative articles including, for example, a flower or plant container or holder, from a single rock, in which a core drill bit is used to drill into the rock to produce a cylindrical core, and the core is then removed from the rock to leave a cavity in the rock so that the rock becomes a decorative container suitable for accommodating a plant or flowers. The core itself is polished to provide a further decorative article, and may also be drilled to suit it for use as a candle holder or cut flower holder. The invention also provides apparatus  for performing the core drilling, including an enclosure having walls capable of surrounding the rock, and clamps within the enclosure for firmly holding the rock during the drilling. The walls may be fixed to a cement or concrete floor which also carries the drill.
Patent CA-2193363-A1 (CA)
Title: Therapeutic agent for liver regeneration
Inventor: NISHIHIRA TETSURO
IPC: A61K31/198
Filed: 1995-06-07
Abstract: The therapeutic agent for liver regeneration which contains valine as an active ingredient is effective against hepatopathy in hepatitis, fatty liver and drug-induced liver disorders by promoting liver regeneration and recovering the normal liver functions and it is also capable of inducing early liver regeneration to thereby achieve rapid-operative recovery of patients who were hepatectomized due, for example, to gallbladder cancer, liver cancer and metastatic liver cancer.