baber/WOPTO huggingface dataset:
Patent CA-2040344-C (CA)
Title: Fully internal manifolded and internal reformed fuel cell stack
Inventor: SCHORA FRANK C
IPC: H01M8/06
Filed: 1991-04-12
Granted: 1995-12-12
Abstract: A fully internally manifolded fuel cell stack is provided by each separator plate and electrolyte in the fuel cell stack having a plurality of aligned perforations forming gas manifolds extending for the length of the cell stack.  Each perforation through the separator plate is surrounded by a flattened manifold wet seal structure extending to contact the electrolytes on each face of the separator plate to form separator plate/electrolyte wet seals under cell operating conditions.  Conduits through the extended manifold wet seal structure provides gas communication between one set of manifolds and the anode chambers on one face of the separator plates, conduits through the extended manifold wet seal structure on the opposite face of the separator plates provides gas communication between a second set of the manifolds and the cathode chambers on the other face of the separator plates, and conduits through the extended manifold structure of a reactant gas manifold provides communication to interspersed reforming chambers.  Extended wet seal structures formed of thin plate metal provide limited flexibility and resiliency to assure good sealing.  This structure provides fully internal manifolding of and separation of fuel and oxidant gases to each of the unit fuel cells in the fuel cell stack while providing reactant gas to reforming chambers interspersed along the cell axis to reform hydrocarbonaceous gas and supply enhanced hydrogen content to the fuel supply manifold.
Patent CA-2049235-C (CA)
Title: Tubular lock box
Inventor: SMITH NEIL E
IPC: E05B67/36
Filed: 1991-08-15
Granted: 1997-10-07
Abstract: A lockable key box having a tubular receiver portion with an integrally formed mounting flange, and a closure plug which is lockably receivable in an open end of the receiver portion.  The closure plug is formed of an inner sleeve which fits within the outer sleeve formed by the receiver, and a master key-operated cylindrical lock mechanism which is retained within the inner sleeve so that a locking plunger extends from the lock mechanism through a transverse bore in the inner sleeve to engage a locking recess in the outer sleeve.  The locking plunger is outwardly-biased and has a bevelled leading face so that the closure plug can be inserted into the receiver portion without using the master key.  The receiver portion has a substantially continuous transverse cross section, so that it can be formed of extruded material, such as high strength extruded aluminum alloy.  The mounting flange can be attached directly to the exterior of a structure, or to a bracket which is configured for temporarily mounting the key box to a particular type of structure.
Patent CA-2050355-C (CA)
Title: Optical fiber connector buildout system
Inventor: LAMPERT NORMAN R
IPC: G02B6/26
Filed: 1991-08-30
Granted: 1995-02-21
Abstract: A connector system (20) for interconnection of optical fiber ferrule connectors in optical wiring panels includes an array of buildout blocks (70,70) which are mounted in a panel (60). Each buildout block includes a tubular portion (76) having a keyway and provisions for receiving a buildout (100,150) which upon suitable alignment and rotation relative to the buildout block is caused to be secured to the buildout block. The buildout (100) which is adapted to receive an ST? connector includes a first tubular portion (103) in which is disposed a sleeve (107) for receiving a plug (40) of a plug assembly (22) of the connector system in one end thereof which has been inserted into the tubular portion of the buildout block with a key (43) thereof received in the keyway (78) of the tubular portion of the buildout block. Also, the sleeve is capable of having an attenuator element (140) mounted therein. In another end of the buildout, a plug (40,182) of another plug assembly is secured to a second tubular portion (102) of the buildout to allow an optical connection between fibers terminated by the plugs to be made. The plug which is secured to the second tubular portion of the buildout (150) may be that of an FC connector. Advantageously, the buildouts which represent a substantial portion of the connection need not be installed until service is required. Further, the system is such that a choice of ferrule connectors is permitted with the same buildout block. Buildouts which have attenuator elements mounted therein and those which do not are interchangeable with each other without the need for special tools.
Patent CA-2051361-C (CA)
Title: Cementitious compositions and method
Inventor: BONIFAY WESLEY E
IPC: C04B7/52
Filed: 1991-09-13
Granted: 2001-04-17
Abstract: A cementitious composition capable of forming an early high strength cement when admixed with a liquid comprising a cementitious material of a specific chemical composition, surface area, and particle size distribution, the method of making such cementitious composition, and cements comprising said composition.
Patent CA-2054106-C (CA)
Inventor: OGAWA KAZUFUMI
IPC: C09D127/12
Filed: 1991-10-24
Granted: 2001-03-06
Abstract: ABSTRACT     Disclosed  is  a  step of  contacting  a  substrate having a surface containing hydroxyl groups with a non-aqueous   solution   containing   a   material   having   a chrolosilyl group,  a step of coating the substrate with a  non-aqueous  solvent  containing  a  compound  having  a fluorocarbon group and a chlorosilane group or a solvent containing  a  compound  containing  a  fluorocarbon  group and an alkoxysilane and a step of baking the substrate after the contacting and coating steps a fluorocarbon-based  polymer  coating  film  chemically  bonded  to  the substrate surface can be obtained.  Wherein the hydroxyl groups on the substrate surface and chlorosilyl groups of the material having a chrolosilyl group are reacted to  form a thin film having a  large number of silanol groups (-SiOH) capable of connecting the polymer coating film to the substrate.
Patent CA-2061341-C (CA)
Title: Molded refrigerator shelf
Inventor: BIRD KEVIN C
IPC: F25D25/02
Filed: 1992-02-17
Granted: 2000-10-17
Abstract: A molded refrigerator shelf useful for containment of spills on the shelf includes a planar shelf member with a rim molded around the perimeter edge of the shelf member to form a liquid tight seal between the rim and the shelf member. The molded rim projects above the top surface of the shelf member to form a liquid dam for containing spills to the shelf member. In one form, the shelf is slideably mounted to allow horizontal extension of the shelf and convenient access to the rear portion of the shelf using slide guides molded into the rim along each side of the shelf. The shelf is cantilevered upon support brackets from the rear wall of a refrigerator to allow air flow around the shelf sides. The support brackets are adapted to support the shelf at a plurality of vertical positions.
Patent CA-2061351-C (CA)
Title: Tensioning apparatus for a lashing strap
Inventor: KAMPER HANS-WERNER
IPC: B60P7/08
Filed: 1992-02-17
Granted: 1995-07-18
Abstract: A tensioning apparatus for the step-wise tensioning and non-stepped releasing of a lashing strap includes a frame (l; 100), a pivot lever (2) having two pivot arms (16, 16'), and a ratchet mechanism that includes ratchet wheels (3, 3') and locking pawls (5, 5'; 105, 105').  By using a plurality of locking pawls (5, 5'; 105, 105'), the tensioning apparatus is able to absorb a greater lashing force or to tension the lashing strap in locking steps which differ from the tooth pitch t.  To release the lashing strap, cams (40) on the pivot arms (16, 16') of the pivot lever (2) move the locking pawls and thus the ratchet mechanism to a disengaged posi-tion.  The structural height of the tensioning apparatus and the number of components required for it may be reduced by using curved locking pawls (5, 5'; 105, 105'), a curved driving pawl (20), and a leg spring (41) which serves as the sole spring element for biasing the locking pawls.
Patent CA-2061402-C (CA)
Inventor: SAITO YUICHI
IPC: C08L21/00
Filed: 1992-02-18
Granted: 1998-10-06
Abstract: The present invention is directed to a radial tire for cars equipped with an anti-lock braking system.  The tire is comprised of a tread and a sidewall, the tread being formed from a rubber selected from the group consisting of natural rubber, isoprene rubber and butadiene rubber.  The tread has a tan .delta. peak temperature of -60 to -40°C in a viscoelasticity (tan .delta.) temperature distribution curve, and an acetone extraction of not more than 22%.
Patent CA-2068174-C (CA)
Title: Hydrodecyclization process
Inventor: LUCIEN JACQUES
IPC: C10G47/18
Filed: 1992-05-07
Granted: 2003-12-02
Abstract: Process for reducing the amount of cyclic structures present in a gas oil, which process comprises contacting a gas oil with hydrogen at elevated temperature and pressure using a catalyst comprising one or more Group VIII noble metal(s) on a support wherein the support comprises a modified Y-type zeolite.
Patent CA-2077621-C (CA)
Title: Furyl and thienyl substituted taxanes and pharmaceutical compositions containing them
Inventor: HOLTON ROBERT A
IPC: C07D305/14
Filed: 1992-09-04
Granted: 1999-11-02
Abstract: A taxane derivative of the formula   wherein   Z is -OT1, T1 is hydrogen, hydroxyl protecting group, or -COT2, T2 is H, C1-C6 alkyl, C1-C6 alkenyl, C1-C6 alkynyl or monocylic aryl, R3 is benzoyl, substituted benzoyl or C1-C6 alkoxycarbonyl, Ac is acetyl, and E1 and E2 are independently selected from hydrogen and functional groups which increase the water solubility of the taxane derivative are useful as antitumor agents.
Patent CA-2080102-C (CA)
Title: Catalyzed chain growth process
Inventor: SAMSEL EDWARD GERRARD
IPC: C07B61/00
Filed: 1992-10-07
Granted: 2002-09-17
Abstract: An improved process for the preparation of higher aluminum alkyls by a chain growth reaction of an .alpha.-olefin and especially ethylene with a lower molecular weight aluminum alkyl or aluminum hydride uses a catalyst system which comprises at least one of (a) a metallocene of a transition metal and an aluminoxane (b) a cationic transition metal metallocene complex with an inert, non-coordinating anion, and (c) a cationic transition metal metallocene complex with an inert, non-coordinating anion and a hydrocarbylaluminoxane.      Higher purity alpha olefins can be recovered by olefin displacement. Alternatively, linear primary alcohols can be produced by oxidation and hydrolysis.
Patent CA-2085007-C (CA)
Inventor: THOMAS DENNIS ALBERT
IPC: B29C43/22
Filed: 1991-06-03
Granted: 1996-03-05
Abstract: The invention is an improved process for forming a mechanical fastening prong and the prongs (22) produced thereby. The prongs are produced by deposition of a heated, thermally sensitive material onto a substrate (24), which is transported at a differ-ential velocity relative to the heated material being deposited to form the prongs. Also, the transported substrate (24) may be drawn away from the point of deposition at an angle (.gamma.). By varying the velocity differential between the substrate (24) and the heated, thermally sensitive material as it is deposited and by varying the angle between the substrate and the point of deposition of the heated thermally sensitive material, the fastening characteristics, particularly the shear strength, of the fastening system formed of these prongs (22) may be advantageously modified.
Patent CA-2085350-C (CA)
Title: Stabilized bleach containing liquid detergent compositions
Inventor: BOUTIQUE JEAN-POL
IPC: C11D3/39
Filed: 1991-07-08
Granted: 1997-04-08
Abstract: Aqueous, bleach containing, liquid detergent compositions, which are stabilized against bleach decompositions due to con-tamination by transition metal traces are disclosed. The stabilizing effect is obtained by using specific diphosphonate compounds which are non-precipitating builders.
Patent CA-2086295-C (CA)
Title: Method of coherent modulation and demodulation for hf data transmission at high bit rate
Inventor: PIREZ DIDIER
IPC: H04L27/26
Filed: 1992-12-24
Granted: 2003-07-22
Abstract: The method is of the type consisting of the parallel transmission, an a determined number of channels at low bit rates, of the useful information symbols modulated according to a differential modulation comprising a determined number of phase states. It consists in making a parallel transmission, on all the channels, of the frames of useful signals and of the frames of reference symbols, a frame of reference symbols being inserted between two neighboring useful frames, and each reference symbol being alternated with a useful symbol in each frame of reference symbols. Application to the digital transmission of speech.
Patent CA-2089478-C (CA)
Title: Automatic length-reducing audio delay line
Inventor: SCHORMAN ERIC R
IPC: G10L13/04
Filed: 1991-10-01
Granted: 1996-07-02
Abstract: An electronic system and a method substantially eliminates any delays caused by buffering of a signal containing speech. The electronic system comprises a receiver for receiving signals (16), a buffer (26), coupled to the receiver, a buffer controller (28) coupled to the buffer, and an audio section (32) for presenting signals received to a listener. The method comprises the following steps. The receiver receives an input signal representing speech, and produces an output signal representing the input signal after a delay intentionally introduced in the system. The delay corresponds to the length of the buffer. The buffer stores the input sig-nal in the buffer at an input rate, and produces the output signal at an output rate. The buffer controller determines whether the delay or buffer length is greater than a predetermined threshold, and analyzes at least a portion of the input signal stored in the buffer to determine which parts of the input signal may be removed without substantially deterioration of the signal quality accord-ing to at least one predetermined criterion, when the buffer length is greater than a predetermined length. The buffer controller then deletes at least some of the parts of the input signal stored in the buffer that comply with the predetermined criterion.
Patent CA-2090462-C (CA)
Title: Functional fluid with trigycerides, detergent-inhibitor additives and viscosity modifying additives
Inventor: STOFFA JOHN V
IPC: C10M169/04
Filed: 1992-07-23
Granted: 2003-05-20
Abstract: A functional fluid is disclosed which comprises (A) at least one triglyceride; (B) at least one detergent-inhibitor additive; and (C) at least one viscosity modifying additive and further comprising (D) at least one synthetic oil.
Patent CA-2091152-C (CA)
Title: Solid lipid particles, particles of bioactive agents and methods for the manfuacture and use thereof
Inventor: WESTESEN KIRSTEN
IPC: B01J13/00
Filed: 1993-03-05
Granted: 2005-05-03
Abstract: The present invention is in the area of administration forms and delivery systems for drugs, vaccines and other biologically active agents. More specifically the invention is related to the preparation of suspensions of colloidal solid lipid particles (SLPs) of predominantly anisometrical shape with the lipid matrix being in a stable polymorphic modification and of suspensions of micron and submicron particles of bioactive agents (PBAs); as well as to the use of such suspensions or the lyophilisates thereof as delivery systems primarily for the parenteral administration of preferably poorly water-soluble bioactive substances, particularly drugs; and to their use in cosmetic, food and agricultural products.      SLPs and PBAs are prepared by the following emulsification process: (1) A solid lipid or bioactive agent or a mixture of solid lipids or bioactive agents is melted. (2) Stabilizers are added either to the lipid or bioactive agent and to the aqueous phase or to the aqueous phase only depending on their physicochemical characteristics. Stabilizers may also be added or exchanged after homogenization. (3) Drugs or other bioactive substances to be incorporated into the SLPs may be melted together with the lipids if the physicochemical characteristics of the substance permit or may be dissolved, solubilized or dispersed in the lipid melt before homogenization. (4) The aqueous phase is heated to the temperature of the melt before mixing and may contain e.g. stabilizers, isotonicity agents, buffering substances, cryoprotectants and/or preservatives. (5) The melted lipid compounds and the bioactive agents are emulsified in an aqueous phase preferably by high pressure homogenization.
Patent CA-2093058-C (CA)
Title: Absorbable dusting powder derived from reduced-protein modified starch
Inventor: FITT LARRY E
IPC: C08B31/18
Filed: 1993-03-31
Granted: 2002-09-17
Abstract: Absorbable dusting powders suitable for medical, consumer and industrial applications such as lubricating gloves and medical apparatus are prepared by treating starch with a hypochlorite to remove protein and oxidize some of the hydroxyl groups. The modified starch dusting powders are free flowing and are characterized by a protein content of less than about 0.15% by weight and hydroxyl groups oxidized to a level of from about 0.03 to about 0.5% by weight. Protein content can be reduced further by washing with water.
Patent CA-2093420-C (CA)
Title: Electric arc and radio frequency spectrum detection
Inventor: HAM HOWARD M JR
IPC: G01R31/00
Filed: 1990-10-24
Granted: 1999-08-24
Abstract: A principal object of the invention is to detect sparks or arcs (12) in electric circuits (13) or otherwise to detect a spectrum of a broad band of distinct instantaneous radio frequencies in radio frequency noise. The invention rejects extraneous narrow-band signals having frequencies within the broad band, such as by means of filters (21, 27, 29) or a balanced mixer arrangement (32-39). The mixer (37) may be fed from a radio frequency signal duplicator (32, 33, 34) having an input (25) coupled to a source of the spectrum, a first ouptut for one spectrum as duplicated by that duplicator connected to one mixer input (35), and a second output for the other spectrum as duplicated by that duplicator connected to the other mixer input (36). Alternatively, the radio frequency mixer (37) may receive the output of a wide band noise generator (68) at its other input (36, Fig. 5). A combination of a multitude of the distinct instantaneous radio frequencies indicative of the spectrum of the arc (12) is detected, such as with a frequency combination detector (42) having an input (40) coupled to the radio frequency mixer output (38).
Patent CA-2093682-C (CA)
Title: Filling connector and dischargeable bag
Inventor: TSURUTA ORIHIRO
IPC: B65D33/36
Filed: 1993-04-08
Granted: 1998-08-11
Abstract: A filling connector of the present invention comprises a tubular first connection element having a hollow portion, and a tubular second connection element supported for sliding movement on an inner circumferential face of the first connection element and having teeth formed at one end thereof.  The first and second connection elements are provided with holding means for holding the second connection element in a first position in which the second connection element is accommodated within the first connection element and a second position in which one end of the second connection element projects from the first connection element.
Patent CA-2098312-C (CA)
Inventor: HOOD JAMES A
IPC: F04C29/04
Filed: 1992-09-17
Granted: 1995-02-07
Abstract: ABSTRACT OF THE DISCLOSURE     A liquid nozzle (36) in use with an interstage passage (18) of a two stage compressor (10) and includes a first elongated element having a first elongated surface and a second elongated element having a second elongated surface. The first and second elongated surfaces are configured for mating engagement. A channel (54) is formed in at least one of said first or second elongated surfaces (48, 50) with a coolant liquid in communication therewith. A first slot is formed in said first elongated surface. The first slot (62) and the second elongated surface define a liquid orifice (56) communicating the channel (54) with said interstage passage. The nozzle (36) preferably extends across an entire width of the interstage passage.
Patent CA-2106063-C (CA)
Title: Apparatus and method for alternative radiotelephone system selection
Inventor: SCHELLINGER MICHAEL J
IPC: H04B7/26
Filed: 1992-11-12
Granted: 1997-05-13
Abstract: A dual mode cellular cordless portable radiotelephone (101) preferentially selects the cordless base station (115) over the cellular system (103) when in range of the cordless base station (115). When the cordless cellular portable (101) is operating in the cellular mode,the radio channel associated with the cordless base station (115) is sampled for a predetermined time. When a sig-nal on the sampled cordless base station (115) channel is detected, the cordless portable (101) moves to the cordless mode and re-mains in the cordless mode for as long as the signal quality of the signal on the cordless base station (115) channel exceeds a predetermined value.
Patent CA-2114040-C (CA)
Title: Method and apparatus for preventing wireless fraud
Inventor: HODGES STEVEN JOSEPH
IPC: H04W12/06
Filed: 1994-01-24
Granted: 1999-09-07
Abstract: The use of stolen mobile identification number (MIN) and electronic serial number (ESN) information to fraudulently place wireless calls is prevented by having the switches of multiple wireless carriers forward or direct, over a telephone connection, all calls placed from selected MINs to a central authentication platform that serves the multiple wireless carriers. The central authentication platform engages in a so-called "challenge-response" authentication with local processors that are interfaced to the wireless telephones from which non-fraudulent calls originate. The challenge-response authentication uses a shared secret key (S-Key) that is not broadcast over the air interface, thus preventing the key from being "stolen ". A call from a wireless telephone that is not interfaced to a local processor capable of successfully completing the challenge-response authentication is blocked, while a call from a wireless telephone having a local processor capable of successfully completing the challenge-response authentication is completed to the number desired by the customer. Advantageously, since the central authentication platform serves multiple wireless carriers, the need for one wireless carrier to access the database of another is alleviated and the expense of providing additional security is reduced.
Patent CA-2116956-C (CA)
Inventor: ATKIN GRAHAM J
IPC: A61K47/36
Filed: 1992-08-25
Granted: 2002-07-16
Abstract: A process for the preparation of a pharmaceutical composition in the form of agglomerates comprising 70-97 % by weight of 2-(4-isobutylphenyl)propionic acid or a pharmaceutically acceptable salt thereof and 3-30 % by weight of a starch component, said process comprising the steps of a) forming an emulsion comprising 1) 70-97 % by weight of 2-(4-isobutylphenyl)propionic acid or a salt thereof; 2) a solvent system; 3) 3-30 % by weight of the starch component; 4) water and optionally 5) a surfactant; b) crystallising to produce a suspension comprising crystals of 2-(4-isobutylphenyl)propionic acid or the salt thereof in intimate contact with the starch component; c) agitating said suspension to form agglomerates comprising an evenly distributed mixture of 2-(4-isobutylphenyl)propionic acid or a salt thereof and the starch component; d) collecting said agglomerates and optionally e) drying said agglomerates. Pharmaceutical formulations comprising 90-99.98 %  by weight of such a composition together with 0.02-10 % of a pharmaceutically acceptable excipient are also described, which are suitable for direct compression into tablets. Preferably the starch component comprises a mixture of maize starch and pregelled maize starch.