baber/WOPTO huggingface dataset:
Patent CA-2103134-A1 (CA)
Inventor: CHEN JEANE S
IPC: H04L12/413
Filed: 1993-11-15
Abstract: A method is provided for controlling access  to a communication medium intended for sharing by a least two stations    to    enable    peer-to-peer   communications therebetween.  I-t includes the steps of sensing the medium at a first station to determine if the medium is in use. The first station transmitting a connection request message intended for a second station if the first station senses that the medium is not in use.  Receiving at said second station the connection request message.  The second station transmitting a connection confirm message intended for reception  at  said  first  station  for  the  purpose of establishing a reservation of the transmission medium for use  by  the  first  and  second  stations.    Transmitting information as one or more date messages from the first station to the second station.   The second station upon receiving the last of the data messages from the first station transmitting an acknowledgement message intended for reception by the firs-t station.  The first station upon receiving   the   acknowledgement   message   subsequently transmitting a disconnect request message to the second station.  The second station upon receiving the disconnect request message  subsequently  transmitting  a  disconnect confirm message for reception by the first station for the purpose of ending said reservation of the medium.
Patent CA-2103559-A1 (CA)
Title: Blends of vinyl polymer and polysiloxane
Inventor: CALHOUN GLENN C
IPC: C08L33/02
Filed: 1992-01-27
Abstract: Novel polymeric compositions are disclosed. The polymeric compositions, in particular, are either soluble or readily dispersible in water. Such polymeric compositions can be characterized as polymeric blends containing at least one acid-functional vinyl polymer and at least one amino-functional siloxane polymer. The novel polymeric blends further include volatile aqueous media comprising water and base in an amount that is effective for preventing the acid-functional moieties of the vinyl polymer from chemically reacting with the amino-functional moieties of the siloxane polymer. Such compositions or "blends", in general, comprise 60-99.9 parts-by-weight of the acid-functional vinyl polymer and 0.1-40 parts-by-weight of the amino-functional siloxane polymer, based upon total weight of the blended polymeric composition. Also disclosed are methods of producing the blended polymeric composition. The blended polymeric compositions are able to provide various substrates with surface coatings that are characterized as quasi-crosslinked, alkali-soluble polymeric networks exhibiting enhanced surface properties.
Patent CA-2103716-A1 (CA)
Inventor: KAGAWA HITOSHI
IPC: H01S5/00
Filed: 1989-12-14
Abstract: A method of making a semiconductor laser device is provided, in which a reflection control film is disposed on at least one surface of a semiconductor laser chip to control its reflectivity. then the semiconductor laser chip is attached to a mount, and the entire assembly is coated with an insulating film.
Patent CA-2107631-A1 (CA)
Inventor: ZDEB BRIAN
IPC: A61M5/50
Filed: 1991-10-04
Abstract: A retractable syringe includes a barrel, one end of which comprises a mounting collar. A needle carrier is releasably mounted within the collar, and releasably supports a needle cartridge. A hypodermic needle is mounted within the cartridge.      A sheath attaches at one end to the cartridge, and at the other end to the collar. A plunger is telescoped into the barrel, and includes a relatively hard piston sealingly engaging the barrel.      The piston includes a latch for engaging the carrier and releasing it from the collar. A pocket in the carrier has a support member in its center, and a pair of helical ribs for threadingly engaging a pair of tabs on the cartridge. The cartridge sealingly receives the support member. The collar has slots and inclined threads in its bore wall for engaging lugs on the carrier. The inclined threads have a friction bump near their blind ends. A retaining pin prevents relative rotation between the carrier and collar prior to desired retraction of the needle into the barrel. Alternative embodiments include a barrel which may be resilient or non-resilient and a hard or soft resilient piston, respectively, having a plunger head secured therewithin and attached to the plunger. A latch is attached to the plunger head, and is received in a recess in the carrier to engage latch stops for rotating the carrier to release it from the collar. Alternative embodiments may include means for securing the plunger in the barrel after retraction.
Patent CA-2110156-A1 (CA)
Title: Article for separations and purifications and method of controlling porosity therein
Inventor: HAGEN DONALD F
IPC: B01D39/00
Filed: 1992-05-18
Abstract: A composite article comprising, in the unexpanded form, a fibrillated PTFE matrix and a combination of energy expandable hollow polymeric particles and sorptive particles, which composite, on applying energy such as steam, heat, or laser energy, provides an expanded article having increased void volume and decreased density. The expanded articles are porous and efficient articles for separation and purification applications. In flat or rolled form, the composite article can be used in separation devices.
Patent CA-2112028-A1 (CA)
Title: Pullulanase, microorganisms producing same, process for preparing this pullulanase and uses thereof
Inventor: DEWEER PHILIPPE
IPC: C12P19/16
Filed: 1993-12-29
Abstract: The invention relates to a heat-stable pullulanase, which has the property of hydrolysing glucosidic linkages of 1 alpha -6 type in amylopectin and which has enzymatic activity in acidic medium and at a temperature of approximately 60@C. The invention also relates to the microorganism strains producing this pullulanase and to the processes for the preparation of this pullulanase. The invention also relates to the uses of this pullulanase and the compositions comprising the latter. The invention also relates to a DNA molecule. The invention relates to an expression vector containing this DNA molecule and a chromosomic integration vector containing this DNA molecule. <IMAGE>
Patent CA-2117300-A1 (CA)
Title: Mat thermoplastic resin composition and laminate therefrom, matting agent therefore, and method for matting thermoplastic resin
Inventor: KITAIKE YUKIO
IPC: C08L101/00
Filed: 1994-05-26
Abstract: Disclosed is a technology for providing a thermoplastic resin composition or resin laminate having an excellent mat property by using, as matting agent, a copolymer (B) prepared by polymerizing 0.5 to 80% by weight of a hydroxyalkyl (meth)acrylate having a C1-8 alkyl group and 10 to 99% by weight of an alkyl methacrylate having a C1-13 alkyl group, with a C1-8 alkyl acrylate, vinyl aromatic monomer, another vinyl monomer, and a cross-linking monomer being optional.
Patent CA-2118149-A1 (CA)
Inventor: SHERMAN KENNETH E
IPC: A61K38/22
Filed: 1994-10-14
Abstract: Compositions and methods of use for treating hepatitis B virus-infected mammals are disclosed. The compositions include one or more thymosins in combination with one or more interferons. Methods of treatment include use of thymosins together, or sequentially with interferon.
Patent CA-2119961-A1 (CA)
Inventor: LLOYD KURT M
IPC: B65G1/04
Filed: 1994-03-25
Abstract: A storage and retrieval machine including a multi-reach shuttle including six overlaid plate assemblies supported for extension and retraction relative to each other by intervening sets of rollers.  The rollers are arranged to maximize the range of extension of each plate assembly relative to a preceding plate assembly so that fewer plate assemblies are required to achieve a desired reach.  Also, the rollers are positioned to provide an increased number of rollers at primary load bearing positions and fewer rollers at secondary load bearing locations.
Patent CA-2121068-A1 (CA)
Title: Measuring tool with concentric point
Inventor: KISH WILLIAM S
IPC: G01B5/012
Filed: 1994-04-12
Abstract: ABSTRACT OF THE DISCLOSURE      The measuring tool of the present invention includes an adaptor attachable to a measuring machine, a shaft extending from the adaptor and a stylus retainer for securing a stylus.  The stylus which extends from the stylus retainer at an angle includes a contact head disposed along a longitudinal axis.  The measuring tool which is attachable to a measuring machine is rotatable and positionable to contact virtually any point on a contoured workpiece.
Patent CA-2121824-A1 (CA)
Title: Egg spatula
Inventor: LAMPRON LOUIS
IPC: A47J43/28
Filed: 1994-04-21
Abstract: A kitchen spatula for handling eggs during the preparation thereof allows the user to grasp the egg being manipulated without puncturing its yolk. The spatula has a substantially flat spatula paddle and an elongated paddle handle attached to it. The spatulla also has an elongated clamping handle and a substantially flat clamping member rigidly fixed to the clamping handle. A substantially U-shaped indentation is provided in the clamping member, the indentation defining a pair of fingers projecting substantially forwardly, the fingers being spaced apart by a spacing of sufficient size to accomodate the yolk of the egg. The clamping handle is adapted to be hingely pivoted relatively to the paddle handle so that the fingers of the clamping member and the spatula paddle will act as tongs grasping the albumen portion of the egg while the yolk portion will be nested between the fingers of the clamping member.
Patent CA-2124637-A1 (CA)
Title: Snap-on swivel wheel assembly
Inventor: SUMSER DANIEL P
IPC: B62B7/06
Filed: 1994-05-30
Abstract: ABSTRACT     A modular wheel assembly for use with apparatus having a weight-bearing frame, such as a baby stroller, includes a mounting unit consisting of a cylindrical tubular member having an open upper end and a closed lower end wall.  The tubular member is dimensioned to receive the lower end of a tubular frame member of the apparatus.  A wheel supporting unit includes a cylindrical sleeve portion dimensioned to receive the tubular member of the mounting unit in close tolerance, freely rotating fashion.  The sleeve portion and mounting unit are dimensioned so that the weight supported by the frame member is transferred through the bearing flange of the mounting unit to the cylindrical sleeve portion of the wheel supporting unit.  An axle tube extends perpendicularly through lower end portions of the web members to be supported thereby.  The axle tube is adapted to receive an axle therethrough, with a pair of wheels secured to opposed ends of the axle.  A fastener comprised of a disc and barb-like fastener extending coaxially therefrom is dimensioned to extend compressively through a hole in the lower end wall of the mounting unit, and to expand therein and be retained in a snap-engagement.
Patent CA-2125496-A1 (CA)
Title: Autonomous perfusion appliance
Inventor: PICLIN JEAN-JAQUES
IPC: A61M5/148
Filed: 1992-10-13
Abstract: Self-contained drip apparatus for the administration of a liquid contained in a drip pouch, said device comprising means for expelling fluid from the pouch and injecting it into the patient. The apparatus is characterized in that the expelling means consists of a plate (3) on which is disposed the drip pouch, the plate being placed in a housing (2) having a lid (4) which closes onto the plate. The plate is urged by resilient means (6), triggered by closure of the lid and tending to force the plate back onto the lid in order to expel the liquid from the drip pouch.
Patent CA-2126741-A1 (CA)
Title: Semiconductor epitaxial substrate and process for producing same
Inventor: HATA MASAHIKO
IPC: H01L21/205
Filed: 1994-06-24
Abstract: ABSTRACT OF THE DISCLOSURE         A semiconductor epitaxial substrate and a process for producing the same, the semiconductor epitaxial substrate comprising a GaAs single-crystal substrate having thereon an InyGa(1-y)As (0,y?1) crystal layer as a channel layer, the composition and the thickness of the InyGa(1-y)As layer being in the ranges within the elastic deformation limit of crystals constituting the InyGa(1-y)As layer and the vicinity of the InyGa(1-y)As layer, the semiconductor epitaxial substrate further comprising a semiconductor layer between the channel layer and an electron donating layer for supplying electrons to the channel layer, the semiconductor layer having a thickness of from 0.5 to 5 nm and a bandgap width within the range of from the bandgap width of GaAs to the bandgap width of the electron donating layer.
Patent CA-2129032-A1 (CA)
Title: Phenylalanine analogs of bombesin
Inventor: EDWARDS JUDSON V
IPC: C07K14/575
Filed: 1993-01-07
Abstract: Disclosed are Agonists and Antagonists of bombesin which are derivatives of naturally occuring bombesin possessing modified derivatives of phenylalanine. Agonist and antagonist activities are confirmed using conventional competitive binding and biochemical assays as well as conventional physiological tests and the use of these derivatives in a variety of conditions. Use of these peptides may be useful for stimulating or antagonizing growth of tissues, especially lung, and of digestion. Treatment comprises administering to a patient in need thereof, an effective amount of a bombesin analog.
Patent CA-2131023-A1 (CA)
Title: Neurotrophic factor
Inventor: WALLACE THOMAS L
IPC: C07K14/475
Filed: 1992-11-24
Abstract: Neurotrophic factor compositions are provided, obtainable from porcine lung tissue. Neurotrophic factor is active on parasympathetic ganglion neurons, enhancing survival of the neurons and increasing choline acetyltransferase activity.
Patent CA-2136441-A1 (CA)
Title: Adeno-associated virus with inverted terminal repeat sequences as promoter
Inventor: CARTER BARRIE J
IPC: A61K48/00
Filed: 1993-06-02
Abstract: Described herein are constructions of recombinant DNA comprising modified adeno-associated virus (AAV) DNA  sequences capable of functioning as a eukaryotic expression vector for expressing foreign DNA sequences using a novel transcription promoter comprising the termini of AAV DNA. It is shown that expression of a test reporter gene can be obtained from this vector in mammalian cells. It is further shown that this combination of vector and promoter can be used to introduce and express a human gene and correct a genetic defect in human cells resulting from malfunction of the mutant endogenous gene. Further, the vector can be used to correct the genetic defect by expressing a modified version of the human gene consisting of a fusion of part of the said gene and a synthetic sequence contained in the vector.
Patent CA-2139883-A1 (CA)
Inventor: DAWSON RICHARD A
IPC: A01M31/00
Filed: 1995-01-10
Abstract: An improved animal lure and cover scent process and product employs a combustible absorbent material impregnated with an aromatic substance having fragrance attractive to an animal, with the absorbent material being of restricted combustibility such that the absorbent material tends to smoke without producing a flame as it burns, the smoke entraining the fragrance with it as it travels through the air.  The combustible absorbent material of the present invention is in the form of an incense stick wherein a cellulosic material formed from sawdust is coated on one end of a combustible bamboo stick.  A weather shield protects the incense stick from wind and rain.
Patent CA-2140576-A1 (CA)
Title: Stethoscope and sleeve
Inventor: TUTTLE DONNA
IPC: A61B7/02
Filed: 1995-01-19
Abstract: A stethoscope is combined with a cover, to cover the portion of the tubing which will contact the carrier's neck when the stethoscope is carried about the neck.
Patent CA-2141240-A1 (CA)
Title: Extruded catalyst based on silica/alumina gel
Inventor: PEREGO CARLO
IPC: B01J37/00
Filed: 1995-01-27
Abstract: A catalyst in the form of extruded bodies is disclosed, which consists of an inert binding agent and a catalytically active phase of a silica/alumina gel. The catalyst is particularly active in acid-catalysed reactions.
Patent CA-2141287-A1 (CA)
Title: Motor designed for manufacturing and method of assembly
Inventor: HOLSTEN STUART V
IPC: H01R39/415
Filed: 1995-01-27
Abstract: A motor designed for manufacturing and its method of assembly are disclosed.  The motor includes lower and upper end frames with bearings, an armature assembly rotatably mounted in the bearings of the lower and upper end frames, and a winding field assembly supported between the lower and upper end frames and surrounding the armature assembly.  The method includes the steps of inserting one end of the armature assembly into the bearing of the lower end frame, positioning the winding field assembly over the armature assembly while also stacking the winding field assembly on the lower end frame, stacking the upper end frame on the winding field assembly while also positioning an opposite end of the armature assembly into the bearing of the upper end frame, and securing the lower end frame, winding field assembly and upper end frame to each other.  Motor brush and brush holder assemblies are also secured to the upper end frame in a novel releasable locking arrangement, in order to provide self compensating adjustment of the brushes relative to a commutator that surrounds the armature assembly.
Patent CA-2142801-A1 (CA)
Inventor: CHEN MING-SYAN
IPC: H04N7/173
Filed: 1995-02-17
Abstract: Un système et une méthode de balayage ou de navigation à vitesse variable, dans lesquels un utilisateur commande la vitesse de diffusion d'un film, ce qui ne nécessite pas de ressources supplémentaires de bande passante réseau ou de disque. Dans une conception préférée, la méthode prévoit des possibilités de balayage pour un flux vidéo MPEG. La méthode répond aux critères du décodeur MPEG (dans la boîte numérique des utilisateurs) et nécessite un minimum de ressources système supplémentaires. Les conceptions de la présente invention comprennent (a) une méthode de stockage, (b1) une méthode d'échantillonnage du segment, (b2) une méthode de positionnement du segment, et (c) une méthode de diffusion, où (b1) et (b2) sont deux solutions de rechange pour la sélection du segment. De cette manière, deux ensembles de solutions sont fournis pour prendre en charge le balayage à vitesse variable dans un serveur vidéo à base de baies de stockage de disques : l'un utilisant les composantes (a), (b1) et (c), et l'autre utilisant les composantes (a), (b2) et (c).
Patent CA-2144066-A1 (CA)
Title: Method and apparatus for bending glass sheets
Inventor: MONTONEN JORI
IPC: C03B23/023
Filed: 1993-09-14
Abstract: The invention relates to a method and an apparatus for bending glass sheets. A  glass sheet supported by a ring mould (5) is heated in successive heating stations. The glass sheet reaches a final bending temperature in a bending station (14). A press-bend-ing mould (16) is transferred from outside bending station (14) into the bending station through an opening (22') in its wall. The ring mould (5) along with its glass sheet is lifted by means of a hoist mechanism (6) upwards for pressing the glass sheet against press-bending mould (16) for completing the bending. The same bending station (14) can also be used solely for gravitational bending when said press-bending mould (16) is retained outside the bending station.
Patent CA-2144381-A1 (CA)
Title: Coating with improved dirt pick-up resistance
Inventor: MARTORANO RICHARD
IPC: C09D133/04
Filed: 1995-03-10
Abstract: Coatings having improved dirt pick-up resistance, particularly at high ambient temperatures and in high relative humidity,  are obtained by using a polymer composition comprising as monomer components: N-methylol(meth)acrylamide, and one or more of alkyl acrylates, alkyl methacrylates, styrene, vinyl acetate and/or vinyl esters, and having a Tg of from -20°C to 40°C.
Patent CA-2144842-A1 (CA)
Title: Soybean oil ester fuel blends
Inventor: JOHNSON LAWRENCE A
IPC: C10L1/19
Filed: 1995-03-16
Abstract: A method is provided to reduce the crystallization temperature of a fatty acid oil ester-petroleum distillate fuel blend. The method comprises combining a petroleum distillate with an amount of an ester of a branched chain (C3-C5) alcohol of a fatty acid, wherein the amount utilized is effective to lower the crystallization onset point of the blend by about 8-20°C below that of a blend comprising the same amount of a methyl or ethyl ester.
Patent CA-2145611-A1 (CA)
Title: Tool for injecting sealant into cracks
Inventor: CRESSMAN PHILIP W
IPC: E04G23/02
Filed: 1995-03-27
Abstract: The tool comprises a foam block bonded to a rigid backing block. The tool is pressed against the wall, whereupon the foam conforms to, and forms a seal to, the wall surface. A conical recess is provided in the backing block for receiving the nozzle of a caulking gun, and a through-hole conveys sealant, injected under pressure, through the tool and into the crack. A rigid spigot may be provided for positioning the apparatus correctly relative to prepared recesses along the length of the crack.
Patent CA-2148415-A1 (CA)
Inventor: RASHWAN MOHAMED M SHOKRY
IPC: B02C21/02
Filed: 1995-05-02
Abstract: A mobile crushing plant is described which was developed for processing concrete or masonry waste and includes  a trailer with a primary crusher mounted on the trailer.  The crusher has an inlet and an outlet.  A screening assembly is mounted on the trailer.  The screening assembly has a screen disposed at an angle such that pieces of waste material too large to pass through the screen roll down the angled screen to a drop off area.  A first conveyor extends from the outlet of the primary crusher to above the screen, whereby crushed pieces of waste material exiting through the outlet of the primary crusher are conveyed to the screen.  A second conveyor extends from the drop off area adjacent the screen to the inlet of the primary crusher, whereby pieces of waste material too large to pass through the screen are reprocessed through the primary crusher.  The mobile crushing plant is intended for on site recycling of concrete and masonry waste resulting from the demolition or construction of a building, by turning the waste material into aggregate which can be mixed with cement to form new concrete.
Patent CA-2148549-A1 (CA)
Title: Process for the preparation of .alpha.-d-glucopyranosido-1,6-mannitol and -sorbitol from .alpha.-d-glucopyranosido-1,6-fructose
Inventor: DARSOW GERHARD
IPC: A23L27/30
Filed: 1995-05-03
Abstract: Sugar alcohols can be prepared from the corresponding sugars by catalytic hydro-genation in aqueous solution with hydrogen, the hydrogenation being carried out continuously at a hydrogen pressure of 100 to 400 bar and a reaction temperature of 40 to 80°C on support-free shaped bodies which are arranged in a fixed bed and are composed of pressed powders of alloys of the elements of the iron sub group of sub group VIII of the Periodic Table of the Elements containing elements of sub group VI. The shaped bodies have a compressive strength of 20 to 250 N and an internalsurface area of 10 to 80 m2/g.
Patent CA-2148663-A1 (CA)
Inventor: AMUNDSON WILLIAM DUANE JR
IPC: C03C3/087
Filed: 1995-05-04
Abstract: This invention is directed to the production of a transparent glass which, in a thickness of 4 mm, exhibits a champagne color as defined by chromaticity coordinates (Illuminant C) within the ranges x 0.3166 - 0.3281 y 0.3211 - 0.3305 Y 77-88, said glass consisting essentially, by weight, of 0.05-0.25% iron oxide, expressed in terms of Fe2O3, >25-175 ppm nickel oxide, expressed in terms of NiO, and >10-100 ppm Se in a soda lime silicate base composition.