baber/WOPTO huggingface dataset:
Patent CA-1292980-C (CA)
Title: Process for the dry cationization of galactomannans
Inventor: STOBER REINHARD
IPC: C08B37/14
Filed: 1987-02-13
Granted: 1991-12-10
Abstract: ABSTRACT OF THE DISCLOSURE         The present invention relates to a process for the dry cationization of galactomannans by reaction with alkyli-dene epoxides in an alkaline medium in the presence of water at 5 to 60°C and in the presence of a finely divided hydrophilic silica.
Patent CA-1290707-C (CA)
Title: Air filtering apparatus
Inventor: LEBLANC JAMES A
IPC: B01D46/24
Filed: 1987-02-23
Granted: 1991-10-15
Abstract: AIR FILTERING APPARATUS                 ABSTRACT OF THE DISCLOSURE An air filtering apparatus is disclosed having a housing defining a chamber with an air inlet and an air outlet.  A filter assembly is disposed within the housing and is provided with a first cylindrical filter element and a second cylindrical filter element received within the first element and coaxially aligned.  The first filter ele-ment and second filter element are supported with opposing surfaces of said elements defining an annular chamber.  One axial end of the annular chamber is fixedly sealed and the second end of the axial chamber is provided with a sealing plate connected to a diaphragm for sealing the chamber in response to a suction applied to the second filter element.          An impact cleaning mechanism is provided for impacting the second filter element and cleansing it when the annular chamber is exposed.
Patent CA-1282818-C (CA)
Inventor: NORTHROP DONALD
IPC: H01J61/34
Filed: 1987-02-25
Granted: 1991-04-09
Abstract: ABSTRACT         A compact fluorescent lamp of the twin tube or double twin tube type which is protected by an outer envelope mounted to the fluorescent lamp or the housing which contains the fluorescent lamp ballast.  In a preferred embodiment the outer envelope is in the shape of an incandescent lamp envelope.
Patent CA-1336575-C (CA)
Title: Pesticidal compositions and process for preparation thereof
Inventor: RHEAUME LISA J
IPC: A01N63/23
Filed: 1987-05-11
Granted: 1995-08-08
Abstract: The invention concerns certain pesticidal compositions of ingeqtible pesticides such as Bacillus thuringiensis var. israelensis entrapped in one or more polymers.  The invention also concerns a process for the preparation of such pesticidal compositions.
Patent CA-1308669-C (CA)
Title: Dispositif de commande pour le nettoyage pneumatique des filtres
Inventor: CHAPUT PIERRE
IPC: B65D88/70
Filed: 1987-08-07
Granted: 1992-10-13
Abstract: Dispositif de commande pour le nettoyage pneumatique des filtres comportant une vanne agencée dans un réservoir d'air comprimé et constitué par un clapet qui peut être appliqué sur l'extrémité d'un tube, qui pénètre dans le réservoir et qui est relié à des moyens d'injection, pour couper la communication entre le réservoir et lesdits moyens d'injection et qui peut en être écarté pour rétablir cette communication. Le clapet est constitué par une boule montée avec jeu dans un cylindre qui est disposé coaxialement audit tube, à l'écart de celui-ci, et dont l'extrémité la plus éloignée du tube comporte un siège annulaire dont l'ouverture centrale fait communiquer l'intérieur dudit cylindre avec une vanne pilote qui permet de relier ledit cylindre soit à une source d'air comprimé, soit à l'atmosphère.
Patent CA-1281486-C (CA)
Title: Cyanamide derivatives as vulcanization rate modifiers
Inventor: HOPPER ROGER J
IPC: C08L21/00
Filed: 1987-10-19
Granted: 1991-03-12
Abstract: Abstract of the Disclosure CYANAMIDE DERIVATIVES AS VULCANIZATION RATE MODIFIERS     There are disclosed cyanamide derivatives as vulcanization rate modifiers which when added to customary cure packages, accelerate the rate of vulcanization and result in vulcanizates having improved characteristics and age resistance.
Patent CA-1295259-C (CA)
Title: Process for augmenting soft tissue with cross-linked polyvinyl pyrrolidone
Inventor: HENDERSON ALEX M
IPC: A61L27/52
Filed: 1987-12-10
Granted: 1992-02-04
Abstract: Abstract Process for Augmenting Soft Tissue with Cross-Linked Polyvinyl Pyrrolidone An aqueous gel of cross-linked polyvinyl pyrrolidone is used to augment soft tissue in a mammal.
Patent CA-1288519-C (CA)
Title: Viterbi decoder with reduced number of data move operations
Inventor: WONG CHIN-PAN
IPC: H04L27/34
Filed: 1988-01-08
Granted: 1991-09-03
Abstract: ABSTRACT OF THE DISCLOSURE              Disclosed is a modem including a transmitter having a convolutional encoder for transforming each time unit digital data into an expanded bit sequence having symbol-selecting bits and subset-selecting bits, the transmitter further providing modulation of a carrier signal and a receiver wherein a Viterbi decoder determines the maximum likelihood path through a trellis from a plurality of surviving paths using a wraparound memory wherein in each addressable location indexed to a current state of a surviving path there is stored a previous state of that surviving path.
Patent CA-1295499-C (CA)
Title: Optical space switch
Inventor: HEALEY PETER
IPC: H04J14/00
Filed: 1988-02-18
Granted: 1992-02-11
Abstract: ABSTRACT OF THE DISCLOSURE          An optical space switch is used in a centralized switching system for an optical network and connects light from one of a number of inputs to a selected one of a number of outputs.   The  switch  includes  a  number  of multiplexed  phase  volume  holograms, a  spatial  light modulator for imposing a selected phase change on light passing through it, distribution means for coupling light from the inputs via the spatial light modulator to the multiplexed phase volume holograms, and collection means for collecting light diffracted by the multiplexed phase volume holograms. Each multiplexed phase volume hologram diffracts light to a selected output in dependence upon the phase change imposed by the spatial light modulator on the light incident upon that hologram.
Patent CA-1292515-C (CA)
Title: Radio with digitally controlled audio processor
Inventor: GARNER TERRY N
IPC: H04B1/40
Filed: 1988-04-07
Granted: 1991-11-26
Abstract: RADIO WITH DIGITALLY CONTROLLED AUDIO PROCESSOR                   ABSTRACT    A mobile radio is disclosed which includes an integrated circuit audio processor which operates under the control of at least one microprocessor.       The audio processor provides basic transmit/receive audio filters, tone signaling filters, squelch filters, an RF power level control circuit, a DC voltage measuring circuit, a volume level adjusting circuit, and a transmit level adjusting circuit.  In the audio processor, audio bandwidth, tone filter response, squelch filter response and other operating characteristics are adjusted by an incoming data bit stream from the controlling microprocessor.  In addition, in response to data received from a microprocessor, the audio processor is controlled, for example, to have its receive audio path closed and its transmit audio path opened to switch from the receive to transmit mode.  Based on digital control data received at predetermined input pins, the audio processor of the present invention has its filter responses, signal paths, and other characteristics altered in a predetermined manner to configure the audio processor to appropriately operate in the transmit and receive modes.
Patent CA-1305974-C (CA)
Title: Hydrocarbon oxidations catalyzed by iron coordination complexes containing a halogenated ligand
Inventor: ELLIS PAUL E JR
IPC: B01J27/24
Filed: 1988-05-12
Granted: 1992-08-04
Abstract: ABSTRACT     Hydrocarbons, and particularly lower molecular weight alkanes and cycloalkanes, may readily be oxidized with air or O2 to form such products as alcohols, ketones, and the like selectively in high yields when there is employed as the catalyst a coordination complex containing an iron center and a halogenated ligand having the structure   where Fe is iron;   is a ligand; X is a halogen substituent of the ligand; and A is an anion.
Patent CA-1335765-C (CA)
Title: Whey protein fractions
Inventor: PEARCE ROBERT J
IPC: A23J1/20
Filed: 1988-05-13
Granted: 1995-06-06
Abstract: Whey protein fractions, especially alpha-lactalbumin and beta-lactoqlobulin, are produced by a process which comprises the steps of:      (a)   treating the whey to achieve a reduction in the spedific gravity and ionic strength of the whey to levels which should not be less than 25% of their original values;     (b)   adjusting the pH of the whey to a value in the range 3.80 to 5.50 by the addition of acid:   the above steps being carried out in any order;      (c)   heating the pH-adjusted whey to a temperature in the range 55-70°C. and maintaining the whey at that temperature for a period greater than 30 seconds and sufficient to permit aggregation of a portion of the protein content of the whey;      (d)   cooling the whey to a temperature less than 55°C, and maintaining the whey at that temperature for a period of time sufficient to permit flocculation of the aggregated protein;      (e)   separating the aggerated protein containing alpha-lactalbumin from the mother liquor; and (f) optionally, recovering beta-lactoglobulin and/or other soluble proteins from the mother liguor.
Patent CA-1307737-C (CA)
Title: Use of antibody/antigen interactions entities to protect or modulatebiological activity
Inventor: SHAMI EZEKIEL
IPC: A61K39/395
Filed: 1988-06-13
Granted: 1992-09-22
Abstract: Abstract of the Disclosure A complex can be produced, comprising (i) an molecule having a biological activity and  (ii)  an antibody entity  recognizing  the  molecule,  that displays biological activity which is inactivation-resistant,  relative to that of the molecule.   The biologically active molecule can be an enzyme,  for example, and can be used to produce a complex with an antibody  or  antigen-binding  protein  that  resists inactivation resulting from a physical, chemical or biological process.  Thus, the inactivation-resistant complex displays prolonged activity under conditions characterized by disrupting temperature, the presence of a proteolytic enzyme, disrupting pH, the presence of an oxidizing  agent  and/or the  presence  of  an alcohol, among others.
Patent CA-1300975-C (CA)
Title: Thermal ink-jet head structure
Inventor: TAUB HOWARD H
IPC: B41J2/05
Filed: 1988-06-23
Granted: 1992-05-19
Abstract: ABSTRACT OF THE DISCLOSURE    Off-setting the orifice (20) from the resistor (10) in a thermal ink-jet printhead provides improved print quality by controlling misdirection of first drops (26), second and subsequent drops (28) in multi-drop printing, and for satellite drop control.
Patent CA-1332932-C (CA)
Inventor: HERBST JOSEPH A
IPC: C01B39/00
Filed: 1988-07-04
Granted: 1994-11-08
Abstract: Catalyst compositions of inorganic oxide-bound shape-selective porous crystalline silicates are prepared by adding binder precursors to a porous crystalline silicate reaction mixture which contains unincorporated silica, in situ formed porous crystalline silicate and water.  The resulting compositions exhibit improved hydrothermal stability and octane enhancement as additives in catalytic cracking.
Patent CA-1308784-C (CA)
Inventor: MIYAZAKI YASUNOBU
IPC: B23K11/04
Filed: 1988-09-02
Granted: 1992-10-13
Abstract: Abstract of the Disclosure:         Method and apparatus for high-power-density beam welding in combination with upset welding.  The method comprises forming along abutting edges of metal materials to be welded a continuous weld line for high-power-density beam welding by using an upset welding, and welding the metal materials by irradiation of a high-power-density beam along the weld line with an output of the high-power-density beam determined on the basis of an input heat produced by resistance exothermal reaction in the metal materials during the upset welding as well as a welding pressure given to the metal materials.
Patent CA-1325005-C (CA)
Title: Process for producing styrene-based polymers and catalyst for use therein
Inventor: MAEZAWA HIROSHI
IPC: C08F112/08
Filed: 1988-12-19
Granted: 1993-12-07
Abstract: ABSTRACT OF THE DISCLOSURE     A process for producing styrene-based polymers having mainly syndiotactic configuration in the presence of a catalyst comprising (A) a titanium compound and (B) a contact product of a methyl group-containing organoaluminum compound and water, wherein the contact product (B) has a high magnetic field component of not more than 50% in the methyl proton signal region due to an aluminum-methyl group (Al-CH3) bond as determined by the proton nuclear magnetic resonance absorption method.     According to this process, styrene-based polymers having mainly syndiotactic configuration can be efficiently and economically produced.
Patent CA-1316283-C (CA)
Title: Flameproof polymeric compositions and their application to electrical cables
Inventor: BREANT PATRICE
IPC: C08K3/00
Filed: 1988-12-30
Granted: 1993-04-13
Abstract: Flame-retarded polymer compositions comprising a hydrated inorganic filler, at least one ethylene-vinyl acetate copolymer and at least one copolymer of ethylene and at least one  alpha -olefin, characterized in that they consist essentially of 120 to 240 parts by weight of hydrated inorganic filler per 100 parts by weight of a polymeric phase constituted: a) of 15 to 55 parts by weight of at least one ethylene-vinyl acetate copolymer (A) having a vinyl acetate content of between 20 and 50% by weight, b) of 25 to 62 parts by weight of at least one ethylene-alkyl (meth)acrylate-unsaturated dicarboxylic acid anhydride terpolymer (b), c) of 8 to 45 parts by weight of at least one copolymer of ethylene and at least one  alpha -olefin (C) having a density of between 0.990 and 0.915 and a crystallinity level at least equal to 5%, and d) of 0 to 5 parts by weight of at least one low density polyethylene (D).
Patent CA-1319844-C (CA)
Title: Spectacle frame
Inventor: SEGOSHI KAZUO
IPC: G02C1/06
Filed: 1989-01-06
Granted: 1993-07-06
Abstract: ABSTRACT OF THE DISCLOSURE     A spectacle frame comprises a face-contacting portion such as a side and a lens-fixing portion such as a rim, both the portions being made of a shape memory alloy, and connecting members to be connected with the face-contacting portion and the lens-fixing portion.  The connecting member is made of a .beta.-phase titanium alloy.  The face-contacting portion and the lens-fixing portion are soldered to the connecting member with a palladium-based soldering material.
Patent CA-1333223-C (CA)
Inventor: SHAH CHANDRAKANT S
IPC: D06B1/08
Filed: 1989-01-26
Granted: 1994-11-29
Abstract: A yarn finish applicator in which finish is metered to a slot running from top to bottom of the applicator.  The configuration of the body of the applicator its slot and the passage supplying liquid to the slot provides a slot configuration that is relatively insensitive to the yarn threadline alignment within the slot.
Patent CA-1309741-C (CA)
Inventor: KUWANO YUKIMITSU
IPC: E02F9/28
Filed: 1989-02-24
Granted: 1992-11-03
Abstract: A B S T R A C T                   A Composite Excavating Tooth A replaceable composite excavating tooth for excavating earth comprises wear-resistant material having a higher hardness than a tooth body and being insert-cast into the tooth body. The performance of the excavating tooth is improved by locating the wear-resistant material as an integral insert at a central part between the top and bottom surfaces and determining the width of the insert substantially the same as the width between both side surfaces of the tooth body, extending the insert from the tip end toward an attachment part of the tooth and terminating the insert at a position of limit of potential use for replacing the composite excavating tooth.
Patent CA-1325586-C (CA)
Inventor: NAGAOKA HARUKI
IPC: B32B27/32
Filed: 1989-03-13
Granted: 1993-12-28
Abstract: OBLIQUELY ORIENTED POLYPROPYLENE CROSS FILM AND FASTENING TAPE FOR PAPER DIAPER COMPRISING SAID CROSS FILM                 Abstract of the Disclosure A composition comprising polypropylene and a small amount of polyethylene can be shaped into an obliquely oriented film, and if obliquely oriented films shaped from this composition are laminated so that the molecular orientation directions cross one another, an obliquely oriented cross film having excellent heat resistance and mechanical strength is obtained.  This cross film is suitably used as a base of a fastening tape for a paper diaper.
Patent CA-1315845-C (CA)
Title: Non-saturating magnetic amplifier controller
Inventor: WASHBURN ROBERT D
IPC: G05F3/06
Filed: 1989-03-17
Granted: 1993-04-06
Abstract: NON-SATURATING MAGNETIC AMPLIFIER CONTROLLER                   ABSTRACT OF THE DISCLOSURE     A  magnetic  amplifier  including  a  magnetic  core having a primary leg, a secondary leg, and a control leg. A primary winding is wound about the primary leg of the magnetic core for generating a non-saturating magnetic AC flux in the magnetic core,  and a secondary winding is wound about the secondary leg of the magnetic core.  A control winding for conducting DC current is wound about the control leg of the magnetic core for controlling as a function of the DC current, without saturating the mag-netic core, the reluctance of the control leg relative to the reluctance of the secondary leg.  By controlling the relative  reluctance,  the  amount  of  magnetic  AC  flux coupled to the secondary winding is controlled, thereby controlling the output voltage provided by the secondary winding.
Patent CA-1276031-C (CA)
Inventor: ERDMAN TIMOTHY R
IPC: C07D207/40
Filed: 1989-05-08
Granted: 1990-11-06
Abstract: ABSTRACT OF THE DISCLOSURE          Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase 0116 and hydraulic oils.  In particular, disclosed are polyamino alkenyl or alkyl succinimides in which one or more of the nitrogens of the polyamino moiety is substituted with a hydrocarbyl oxycarbonyl, a hydroxyhydrocarbyl oxycarbonyl or a hydroxy poly(oxyalkylene) oxycarbonyl.  The e products can be prepared by reacting a polyamino alkenyl or alkyl succinimide with an alkenyl or alkyl succinic anhydride of the formula   wherein R is alkenyl or alkyl of from about 10 to 300 carbon atoms.
Patent CA-1323696-C (CA)
Inventor: ISHII MITSUO
IPC: G02B7/00
Filed: 1989-05-24
Granted: 1993-10-26
Abstract: ABSTRACT An object lens driving device causes partial rotation of movable members holding an object lens on an X-Y frame perpendicular to the optical axis of the object lens about a resilient hinge member as a fulcrum. The movable members are  supported  by  base  members.   The  hinge member interconnects the movable members and the base members. Electro-magnetic  coils  and  magnets  effectuate  relative rotation of the movable members with respect to the base members about the hinge member. A rotational axis passing through the hinge member also passes through the position of center of gravity of the movable members and the balanced position of moment of inertia of the movable members.
Patent CA-1331676-C (CA)
Inventor: RADEMACHERS JAKOB
IPC: C09C1/22
Filed: 1989-06-07
Granted: 1994-08-30
Abstract: THERMOSTABLE ZINC FERRITE COLOR PIGMENTS, A PROCESS FOR THEIR PREPARATION AND THEIR USE            ABSTRACT OF THE DISCLOSURE           Thermostable pigments for coloring stoving lacquers, coil coat lacqueres, plastics, sand granulates, lime sandstone, enamel or ceramic glazes are zinc ferrite color pigments con-taining from 0.01 to 0.5% by weight of lithium.
Patent CA-1331209-C (CA)
Title: Continuous cardiac output by impedance measurements in the heart
Inventor: PETRE JOHN H
IPC: A61B5/029
Filed: 1989-06-30
Granted: 1994-08-02
Abstract: CONTINUOUS CARDIAC OUTPUT BY IMPEDANCE MEASUREMENTS IN THE HEART               Abstract of the Disclosure A diagnostic catheter for use in measuring cardiac output in the right ventricular chamber of a heart includes a catheter body having an outer periphery and a distal section terminating in a distal end and a proximal section terminating  in a proximal  end.   A plurality of  spaced electrodes are secured to the body outer periphery along the body distal section.  A plurality of electrical leads extend in the catheter body from a respective one of the electrodes to the proximal end of the catheter body.   An elongated rigid member is provided for stiffening a portion of the catheter body.   One end of the rigid member is located adjacent a proximal most one of a plurality of electrodes.  The rigid member so locates the plurality of electrodes as to space them away from endocardial tissue. The  catheter  is used with a  cardiac  output monitoring system.  Signals from the catheter are acquired by a signal conditioning and catheter control unit and, are thereafter fed to a microcomputer.   The catheter and the system are used in a method for determining the instantaneous volume of blood in a heart chamber.
Patent CA-1329815-C (CA)
Title: Apparatus for a game
Inventor: NWANNA DOZIE C B
IPC: A63F3/00
Filed: 1989-08-14
Granted: 1994-05-24
Abstract: ABSTRACT     An Apparatus for a Game The  invention  relates  to  an  apparatus  for  a  game  which comprises a base 1, a plurality of platforms 10 to be placed over the base, and a set of playing pieces for placement. on the platforms, wherein the platforms are divided into the subset having a top surface 4 of the same colour, and wherein each platform 10 is slidably connected to the base by a projection 11 which allows its height above the base 1 to be adjusted.
Patent CA-1334263-C (CA)
Inventor: MORIN PAUL G
IPC: A23L13/00
Filed: 1989-09-21
Granted: 1995-02-07
Abstract: A method of packaging pre-cooking bacon wherein uncooked bacon is sliced onto a greaseproof, interleaving paper in a single-layer arrangement.  The bacon is then cooked on the interleaving paper to a bacon yield of 25% to 40%. The interleaving paper with cooked bacon is then stacked, optionally cooled, and packaged for distribu-tion.  The interleaving paper has a multiplicity of holes, with the hole diameters between 0.07 inches to 0.20 inches and the center line between the holes of 0.3 inches to 1.25 inches.  The paper has a minimum weight of 25 pounds and a greaseproofness rating of 600 or better.
Patent DK-160538-C (DK)
Inventor: YOUNG DAVID MACKAY
IPC: B05C17/00
Filed: 1983-10-05
Granted: 1991-09-09
Abstract: There is described an adjustable dose injection pistol comprising a body assembly (1) including an elongate chamber (8), a piston chamber (3) including a piston (13) slideable in the chamber (8) between filled and discharged positions and means for adjusting (16, 26, 19, 20, 22, 23) one of said positions. The means comprise a selectable plurality of channels (20, 22, 23) included in one of the assemblies (1, 3), the channels (20, 22, 23) being spaced about and parallel to the piston-chamber axis, and an arrestor (19) located on the other assembly (1, 3), the arrestor (19) being selectably engageable with an aligned channel (20, 22, 23) upon movement of said piston (13) between said positions. The channels (20, 22, 23) are preferably located in the piston assembly (3) on a sleeve (16) concentrically mounted with the piston (13) and rotable with respect to the chamber (8). The pistol may be used for the injection of liquids into animals.
Patent DK-166136-C (DK)
Inventor: THOMPSON KENNETH P
IPC: B32B27/10
Filed: 1984-10-16
Granted: 1993-10-25
Abstract: A laminate providing an effective barrier to the migration of essential oils and/or flavourings, such as d-limonene, therethrough is provided comprising, from the outer surface to the inner surface, a paperboard substrate (10'), a web (12') of propylene polymer coated thereon and a web of olefin polymer (14') overlying the propylene polymer web (12'). Preferably the paperboard substrate (10') is also coated on the external surface thereof with a web (16) of heat sealable olefin polymer. Containers constructed from such laminates are especially useful as fruit juice containers which enable significant flavour retention in the fruit juice contained therein over the normal shelf life of the product.