baber/WOPTO huggingface dataset:
Patent CA-2032799-C (CA)
Title: Catalyst for and method of purifying oxygen-excess exhaust gas
Inventor: ESHITA AKINORI
IPC: B01J29/072
Filed: 1990-12-20
Granted: 1996-01-30
Abstract: Catalysts for purifying an exhaust gas containing an excess amount of oxygen, to remove nitrogen oxides, carbon monoxide and hydrocarbons therefrom, the catalyst containing silicon dioxide (SiO2) and alumina (Al2O3) in a molar ratio of SiO2 to Al2O3 of at least 15, and containing cobalt alone or in combination with at least one metal selected from alkali earth metals and rare earth metals, and a method of purifying the exhaust gas using the described catalyst. The catalyst exhibits less thermal deterioration of the properties and performances thereof during use at an elevated temperature for an extended time, and accordingly, has an excellent durability.  The catalyst is particularly useful for the purification of exhaust gases originating from an internal combustion engine of an automobile, and a nitric acid production plant.
Patent CA-2034614-C (CA)
Title: Lifting apparatus
Inventor: KISHI MITSUHIRO
IPC: B66F11/04
Filed: 1991-01-21
Granted: 1995-09-12
Abstract: A lifting apparatus having at least one set of paired stretchable boom assemblies which extend and contract, preferably in five stages.  The boom assem-blies are disposed between a chassis and a platform for raising and lowering the platform in interlocking relation with an operating mechanism, a guiding mechanism and a synchronizing mechanism.  The lifting apparatus further includes a kick mechanism for auxiliarily supporting the load of the platform at a position where the platform is lowered about halfway. The kick mechanism has one end fixed to the chassis and the other end provided with a kick body capable of supporting the centers of the boom assemblies and provided with a detecting means for detecting contact between the boom assemblies and the kick mechanism.
Patent CA-2035197-C (CA)
Title: Connection element for a facing panel
Inventor: FISCHER ARTUR
IPC: F16B35/04
Filed: 1991-01-29
Granted: 1995-06-27
Abstract: A connecting element for a facing panel with a hole having a small depth and an undercut, includes an expanding cone insertable into the hole undercut, and a thread shaft extending from the expanding cone.  A roof-shaped bent expansible element is displaceable over the expanding cone for securing the connecting element in the facing panel hole.  The roof-shaped bent expansible element is formed as at least approximately oval metal ring having opposite bent portions abutting the expanding cone.
Patent CA-2035756-C (CA)
Title: Low-noise chain and chain power transmission apparatus using the low-noise chain
Inventor: WAKABAYASHI SHOZO
IPC: F16G13/06
Filed: 1991-02-06
Granted: 1994-11-15
Abstract: LOW-NOISE CHAIN AND CHAIN POWER TRANSMISSION APPARATUS           USING THE LOW-NOISE CHAIN          ABSTRACT OF THE DISCLOSURE:      A low-noise chain preventing a roller or a bush from contacting with a bottom portion of a sprocket thus reducing impact noise.  The low-noise chain includes pairs of inner link plates and pairs of outer link plates alternately lined up with each other, each of the link plates having two insertion holes; connecting pins inserted into the insertion holes of the link plates to couple the inner and the outer link plates; and bushes or rollers disposed around the connecting pin, whereby the roller or bush has a substan-tially triangular configuration in transverse cross section and has three intermeshing surfaces on its outer circumference.
Patent CA-2037745-C (CA)
Title: Method for automated process delay within a data processing system
Inventor: WILLIAMS MARVIN L
IPC: G06Q10/10
Filed: 1991-03-07
Granted: 1995-04-11
Abstract: A method is disclosed for automating a selected delay within a  data processing procedure.   A  desired deferral  time  is  specified  and  associated  with  a particular document or process within a data processing system.   Thereafter,  the  occurrence  of  the  desired deferral time results in the automated processing of the associated document by the system.  In one embodiment of the present invention a user may specify a particular date and time after which a response to a particular document is desired.  The desired deferral time is then associated with the particular document in a distribution profile  and utilized to either prompt  a  recipient to respond after the elapse of the  specified time or to automatically defer the transmission of the recipient's response until the desired time.  Similarly, a user may utilize this technique to chronologically order the fan out distribution of a document by transmitting a list of desired  addressees  and  an  associated desired deferral time for each such addressee to a transmission service. Thereafter,  as each desired deferral time elapses the document  will  automatically  be  transmitted  by  the transmission service to an associated addressee.
Patent CA-2041388-C (CA)
Inventor: LACHENAL DOMINIQUE
IPC: D21C9/16
Filed: 1991-04-29
Granted: 1999-09-28
Abstract: L'invention concerne un procédé de blanchiment de pâtes à papier à haut rendement au moyen de peroxyde d'hydrogène en milieu alcalin, caractérisé en ce que la seule intervention faite entre le début et la fin dudit blanchiment est la modification de l'alcalinité de la pâte par addition d'un agent alcalin à un moment où la quantité de peroxyde d'hydrogène consommée est comprise entre 40% et 75% de la quantité initiale de peroxyde d'hydrogène.
Patent CA-2043366-C (CA)
Inventor: GLONEK THOMAS
IPC: A61F9/00
Filed: 1991-05-28
Granted: 1999-01-05
Abstract: A method and composition for reducing evaporation of an aqueous layer from the surface of the eye. The method comprises applying an admixture of a charged phospholipid and a non-polar oil over the eye, preferably in the form of a meta-stable oil in water emulsion in a dosage not exceeding 100 microliters.
Patent CA-2045598-C (CA)
Inventor: YATKA ROBERT J
IPC: A23L27/30
Filed: 1990-11-21
Granted: 1997-07-22
Abstract: A sucrose-containing chewing gum ingredient is prepared by homogeneously mixing about 50 to about 97 parts by weight heat-softened polyvinyl acetate with about 3 to about 50 parts by weight crystalline sucralose. The mixture is then cooled. A chewing gum is prepared by mixing the sucralose-containing ingredient, gum base, a bulking agent and flavor to make a chewing gum composition.
Patent CA-2048670-C (CA)
Title: (co)polymer crosslinking method, crosslinkable compositions, uses and shaped objects
Inventor: MICHEL ALAIN
IPC: C08L77/00
Filed: 1990-12-28
Granted: 1998-04-28
Abstract: Method   for   crosslinking   (co)polymers   comprising chlorine, ester,  NH or carbonate groupings, according to which said (co)polymer is reacted at between 100 and 300°C, and without the presence of a solvent, with a tin-, lead-, bismuth-  or  antimony-based  organometallic  alcoholate. Mixtures, crosslinkable compositions and shaped objects are also described.
Patent CA-2051948-C (CA)
Title: High-temperature slurry polymerization of ethylene
Inventor: SCHNEIDER ROY O
IPC: C08F110/02
Filed: 1991-09-20
Granted: 1997-11-04
Abstract: This invention relates to a high-temperature slurry polymerization of ethylene where: the hexene is generated in situ; a chromium catalyst system 15 used; a trialkyl boron or a polyalkyl silane compound is used as a cocatalyst; the temperature of the reaction is above the foul curve temperature for a specific copolymer density; and where the polymerization takes place in a continuous loop reactor which has isobutane as a diluent. Additionally, hexene can be withdrawn, or added, to adjust the density.
Patent CA-2059792-C (CA)
Title: Tricyclic compounds and intermediates thereof
Inventor: KUMAZAWA TOSHIAKI
IPC: C07D491/04
Filed: 1992-01-22
Granted: 2001-07-10
Abstract: Disc1osed is a tricyc1ic compound represented by the formula (I):      wherein each of R1, R2, R3 and R4 independently represents hydrogen, C1-6 alkyl, C1-6 alkoxy, C1-6 alkylthio, amino, C1-6 alkylamino, halogenated C1-6 alkyl, halogenated C1-6 alkoxy, halogen, vitro, cyano, carboxy, C1-6 alkoxycarbonyl, hydroxymethyl, CR9R10C02R11 (wherein each of R9, R10 and R11 independently represents hydrogen or C1-6 alkyl) or CONR12R13 (wherein each of R12 and R13 independently represents hydrogen or C1-6 alkyl) R5 represents hydrogen or C1-6 alkyl; each of R6; R7 and R8 independently represents hydrogen, C1-6 alkyl, hydroxy; C1-6 alkoxy, C1-6 alkanoyloxy, C1-6 alkylthio, thiocyanato or halogen; X represents CH or N; Y1-Y2 represents CH2-O, CH2-S(O)n; (wherein n represents 0, 1, or 2), CH2CH2, CH=CH or CON(R14) (wherein R14 represents hydrogen or C1-6 alkyl) and Z represents oxygen or sulfur, or a pharmaceutically acceptable salt thereof. The compound possesses an acyl coenzyme A: cholesterol acyltransferase-inhibiting activity, and thus are expected to have preventive and therapeutic effects on hyperlipemia and arteriosclerosis.
Patent CA-2068828-C (CA)
Title: Device for dispensing wire, cable or the like
Inventor: LANOUE MICHEL
IPC: B65H75/44
Filed: 1992-05-15
Granted: 1998-12-22
Abstract: The disclosure describes herein a box within which is mounted a reel having a supply of wire, cable or the like to be dispensed.  An opening is provided in one of the walls of the box to allow the egress of one end of the strand.  A cover securely contains the reel within the box.  Also mounted within the box is a brake device which has a portion slidingly contacted by the strand prior to egressing from the box.  An external pull on the strand frees interengageable elements on the brake device and on one of the side plates of the reel from blocking rotation of the reel in one direction.  As soon as a pull is no longer exerted on the strand, a resilient element on the brake device urges the elements to interengage to thereby stop rotation of the reel.
Patent CA-2083816-C (CA)
Title: Method and apparatus for introducing biological substances into living cells
Inventor: BRUNER RONALD F
IPC: C12N15/87
Filed: 1991-04-29
Granted: 2005-06-28
Abstract: A process is described which uses a "cold" gas shock to accelerate microprojectiles, wherein particles are presented to the gas shock on a planar surface perpendicular to the plane of expansion of the gas shock wave. Several different apparatus capable of accomplishing this method are described.
Patent CA-2093748-C (CA)
Title: Valve assembly for introducing instruments into body cavities
Inventor: GRAVENER ROY D
IPC: F16J15/16
Filed: 1993-04-08
Granted: 1996-11-12
Abstract: A valve assembly adapted for introduction of surgical instruments into a patient's body includes a valve body formed of a flexibly resilient material which defines an aperture for reception of the instrument.  The aperture is configured and dimensioned such that insertion of the instrument into the aperture will cause the resilient material of the valve body to resiliently engage the outer surface of the instrument in a substantially gas tight manner.  The valve assembly includes a biasing member for closing the valve body to form a gas tight seal prior to inserting the instrument therethrough.
Patent CA-2101217-C (CA)
Inventor: KEY JAMES C
IPC: B22D11/10
Filed: 1993-07-23
Granted: 2004-04-20
Abstract: A method and apparatus for continuously casting metal includes a tundish having edge seals and risers positioned at an outlet portion thereof. The edge seals and risers are configured to reduce the depth of molten metal adjacent the tundish sidewalls such that a lesser volume of molten metal contacts a driven casting surface to permit rapid solidification of edge portions of a cast strip. The edge seals and risers also are configured to form a meniscus between the seals and casting surface to effectively seal a gap between the tundish sidewall and continuous casting surface to prevent molten metal leakage therethrough. Preventing molten metal flow through the gap between the casting surface and sidewalls eliminates the requirement for a mechanical seal during continuous casting of molten metals.
Patent CA-2103717-C (CA)
Title: Poly(alkylene oxide) substituted acetoacetanilides
Inventor: SCHWARTZ RUSSELL J
IPC: C09B69/00
Filed: 1992-01-23
Granted: 2003-11-04
Abstract: Poly(alkylene oxide) substituted acetoacetanilides of formula (1), wherein B  comprises a divalent bridging moiety selected from the group consisting of C1-C6 alkyl, -NHSO2-, -O-, -CO-, -COO-, and -CONH-; X comprises a poly(alkylene oxide) having a number average molecular weight of about 200 to 10,000; R comprises 0 to 4 moieties independently selected from the group consisting of C1-C4 alkyl, C1-C4 alkoxy and halogen; and d is an integer of 1 to 3. The poly(alkylene oxide) sub-stituted aceto-acetanilides are prepared by reacting a poly(alkylene oxide) monoamine, diamine or triamine with isatoic an-hydride followed by acetoacetylation of the resultant aminobenzamide. The substituted acetoacetanilides are useful for pre-paring improved diarylide pigment compositions which in turn are useful for preparing storage stable printing inks (espe-cially of the publication gravure type).
Patent CA-2106877-C (CA)
Title: Electroless plated aramid surfaces
Inventor: BURCH ROBERT R JR
IPC: C23C18/16
Filed: 1992-03-25
Granted: 2001-08-21
Abstract: Conductive fibers of a combination of aramid and polyvinyl pyrrolidone (PVP) are disclosed having a strongly bonded me-tal coating applied by electroless plating. PVP increases adhesion of the fiber surface to the electroless plating. The preferred aramid is poly(p-phenylene terephthalamide).
Patent CA-2107358-C (CA)
Title: Breathing apparatus
Inventor: COOKMAN DAMON ANDREW
IPC: A61M16/20
Filed: 1992-04-02
Granted: 2004-03-30
Abstract: Breathing apparatus supplies air or oxygen to a patient and comprises a hand-held housing (10), a gas inlet on the housing, a gas outlet (12) on the housing (10), and a manual/automatic switch (16) on the housing for supplying gas either to a manually operable valve (40) or to a main valve (48) which delivers gas to the outlet on a cyclic basis. A trigger (22) on the housing (10) controls the supply of gas to the outlet through the manually operable valve (40).
Patent CA-2109267-C (CA)
Inventor: MIKIC FRANK
IPC: B25B23/00
Filed: 1993-10-26
Granted: 1998-05-05
Abstract: A polygonal bit is frictionally retained in a mating socket opening of a drive socket by the provision of recesses in the flat surfaces of the bit, the formation of each recess creating a raised ridge of material displaced from the recess and projecting from the flat surface around the perimeter of the recess for frictional engagement with the corresponding drive surface of the drive socket. Recesses may be formed in flat surfaces on opposite sides of the bit, with one or two recesses being formed in each such surface.  Various shapes of recess are disclosed.
Patent CA-2110135-C (CA)
Inventor: BAJOREK CHRISTOPHER H
IPC: G11B5/255
Filed: 1993-11-26
Granted: 1998-09-15
Abstract: An  integral   combination  magnetic  transducer  and suspension  assembly  suitable  for  use  in  both  contact recording and in winchester-type applications is described. A generally rectangular elongated flat  suspension member includes  a vertical-type  inductive  read/write  transducer formed integrally with the suspension member and is embedded in one end of the suspension member.  The vertical inductive transducer is suitable for vertical recording applications. The transducer vertical magnetic pole tip and magnetic yoke structure are formed at one end of the suspension member with the vertical pole tip extending to and exposed at an air  bearing  surface  formed  on  the  lower  surface  of  a slider-shaped protrusion extending from the lower surface of the   end   of   the   suspension   member.    The   integral transducer/suspension  assembly can be  adapted for either flying above the recording media or for use in continuous contact with the recording media.  The air bearing surface is  formed  on  the  lower  surface  of  a  wear  pad.   The fabrication of the transducer/suspension assembly is adapted to be performed at the wafer level.
Patent CA-2111398-C (CA)
Title: Upset resistant macroporous carbon-inorganic oxide composite support for bioremediation
Inventor: MILLER JAMES GEORGE
IPC: C02F3/34
Filed: 1993-12-14
Granted: 2007-08-28
Abstract: Porous bodies are produced which are suitable for use as supports for catalysts, including living cells, such as bacteria and which are upset resistant to acids and bases. The bodies have a significantly large average pore diameter of about 0.5 to 100 microns, (i.e. 5,000 to 1,000,000 .ANG.) and a total pore volume of about 0.1 to 1.5 cc/g with the large pores contributing a pore volume of from about 0.1 to 1.0 cc/g. The bodies are made by preparing a mixture of ultimate particles containing a zeolite and one or more optional ingredients such as inorganic binders, extrusion or forming aids, burnout agents, or a forming liquid, such as water. Incorporated into the support is activated carbon which provides improved properties. In a preferred embodiment, the ultimate particles are formed by spray drying.
Patent CA-2111595-C (CA)
Title: Process for the enzymatic preparation of optically active transglycidic acid esters
Inventor: KIERKELS JOANNES G T
IPC: C12P41/00
Filed: 1993-12-16
Granted: 2004-12-14
Abstract: The invention relates to the preparation of an optically active ester of trans-3-phenylglycidic acid in which a mixture of the 2 enantiomers of the trans-3-phenylglycidic acid ester is stereoselectively hydrolyzed using an enzyme originating from Candida antarctica and the non-hydrolyzed eater is separated off from the reaction mixture.      A racemic mixture of trans-phenylglycidic acid esters is selectively and enzymatically hydrolyzed in a relatively short reaction time, the residual ester being obtained in a high yield and with a high e.e. Such esters are used for the preparation of pharmaceuticals such as benzothiazepines and benzazepines.
Patent CA-2112765-C (CA)
Inventor: ASKIN KERIM
IPC: C21B7/16
Filed: 1994-01-04
Granted: 2005-05-24
Abstract: An improved premixed gaseous fuel burner for a metal processing furnace includes an axially adjustable gas supply tube concentrically positioned within the burner body for delivering a flow of oxidant or other gaseous fuel component to the combustion chamber of the furnace. Axial repositioning of the air tube controls the spread of oxidant at the core of the flame, thereby controlling flame temperature and the operating environment of the combustion chamber and furnace. A flow mixer having a pair of helically arranged vanes provided in the annular space between the supply tube and the burner body imparts turbulent swirl to the premixture flow to cause enhanced mixing of the premixture. The gas supply tube is externally adjustable and includes a peep sight for externally viewing the flame in the furnace.
Patent CA-2115534-C (CA)
Title: Olefin polymer films
Inventor: GIACOBBE JAMES
IPC: B32B15/085
Filed: 1994-02-11
Granted: 2000-09-19
Abstract: Disclosed are films or sheets comprising a blend of 1) a heterophasic olefin polymer composition and 2) a copolymer of ethylene With a CH2=CHR alpha-olefin, where R is a C1-8 straight or branched alkyl.      Coextruded films or sheets and laminates wherein at least one layer is a film or sheet as described above, and films or sheets of blends of the olefin polymer composition and another olefin polymer are also disclosed.
Patent CA-2119629-C (CA)
Title: Bis fluorenyl metallocenes and use thereof
Inventor: PATSIDIS KONSTANTINOS
IPC: C08F110/06
Filed: 1994-03-22
Granted: 1998-08-25
Abstract: Group IVB metal metallocenes of bis(1-methyl fluorenyl) diphenyl silane and bis(1-methyl fluorenyl) dimethyl tin are disclosed, plus their use in the production of polyolefins, including isotactic polypropylene.
Patent CA-2123254-C (CA)
Inventor: MUSSCHOOT ALBERT
IPC: B22D43/00
Filed: 1994-05-10
Granted: 2007-01-09
Abstract: In order to effectively enhance the overall efficiency in casting operations, a process and system for cooling and cleaning a casting is disclosed. The process and system include removing the casting from a molding machine after it has been formed. The casting is then moved to a punch-out station for removing it from a sand mold. Next, the casting is moved to a shake-out station for shaking residual sand from it. The casting is then conveyed away from the shake-out station on a cooling conveyor. Next, the temperature of the casting is monitored at or near a downstream end of the cooling conveyor. The casting is then transferred from the cooling conveyor into a vibratory cooling drum where it is further cooled. In addition to these unique aspects, the process and system includes controlling the rate of cooling of the casting within the vibratory cooling drum.
Patent CA-2128452-C (CA)
Title: Anti-bacterial, insoluble, metal-chelating polymers
Inventor: VANDERLAAN DOUGLAS G
IPC: C08L35/02
Filed: 1994-07-20
Granted: 2006-10-31
Abstract: A soft contact lens which comprises a water-swollen gel of a polymer prepared by polymerizing one or more hydrophilic monomers such as 2-hydroxyethyl methacrylate, one or more cross-lining monomers, and a monomer that contains metal-chelating functionality such as an aminopolycarboxylic acid that contains a polymerizable olefinic group.
Patent CA-2133483-C (CA)
Title: Method for atm switch core interface
Inventor: MUNTER ERNST AUGUST
IPC: H04L12/56
Filed: 1993-03-24
Granted: 2001-07-31
Abstract: A method for interfacing an incoming data stream wish an asynchronous transfer mode (ATM) switch core, comprises packetizing the incoming data stream into data packets having header and data sections; converting original information in the header section into a logical switch connection number (SCN) and immediately before application of a packet to the ATM switch core converting the logical SCN into physical routing information for routing the packet between selected input and output ports of the ATM switch core, thereby adapting the physical routing information to momentarily available routes between input and output ports of the switch core.
Patent CA-2139511-C (CA)
Title: Digital filter having high accuracy and efficiency
Inventor: MCGRATH DAVID STANLEY
IPC: H03H17/02
Filed: 1993-07-05
Granted: 2004-09-07
Abstract: Apparatus for and methods of operation of digital filters and certain other electronic digital signal processing devices are provided to improve the accuracy and efficiency of filtering. Particularly, the apparatus and method includes a digital filter with a long impulse response and lower latency, built by operating a numbr of small component filters (F1, F2, F3) in parallel and combining their outputs by addition, with each component filter operating with a different delay such that the net operation of the ensemble of said component filters is the same as a single filter with a longer impulse response, and the latency of the ensemble is equal to the shortest latency of the component filters. At least one group of the component filters is implemented using a Discrete Fourier Transform technique. A Fourier transform processor adapted to efficiently transform strings of real data is also described.
Patent CA-2140803-C (CA)
Title: Method of authenticating a terminal in a transaction execution system
Inventor: MERRITT MICHAEL J
IPC: G06Q20/38
Filed: 1995-01-20
Granted: 1998-11-24
Abstract: The invention provides for a method of authenticating to a user or customer a terminal, such as an automatic teller machine, in a transaction execution system.  The terminal is authenticated by a central host using cryptographic techniques, and a personal security phrase is sent from the host to the terminal.  A message, incorporating the personal security phrase, is communicated to the customer by the terminal, thereby indicating that the terminal is legitimate. The terminal is authenticated to the customer prior to his entering any secret or confidential information, such as a personal identification number, into the terminal.