baber/WOPTO huggingface dataset:
Patent NO-177782-C (NO)
Inventor: SOLA JAUME CASTELLA
IPC: C07C29/58
Filed: 1992-06-17
Abstract: The invention relates to a process for the dehydrochlorination of 1,1-bis(R-phenyl)-2,2,2-trichloroethanes using an aqueous alkaline hydroxide solution, characterised in that the process is carried out in the absence of solvent and in the presence of a phase transfer agent.
Patent NO-180199-C (NO)
Inventor: LUCIANI LUCIANO
IPC: C08F10/00
Filed: 1992-07-20
Abstract: A supported solid component of catalyst, for the stereospecific polymerization of propylene and other  alpha -olefins, is obtained by making a non-activated silica interact in succession with: (i) a magnesium dialkyl or halide of magnesium alkyl; (ii) a halogenating agent selected from silicon, tin and antimony halides; (iii) a titanium tetrahalide: and (iv) a Lewis base. A catalyst for the stereospecific polymerization of propylene and other  alpha -olefins is composed of: (A) the solid component of catalyst; (B) an aluminium trialkyl or aluminium alkyl halide; and (C) an electron donor compound, capable of forming a complex compound with component (B).
Patent NO-177342-C (NO)
Inventor: TUTZAUER RENE
IPC: B61F5/32
Filed: 1993-06-24
Abstract: A running gear for drop-frame rail vehicles includes a running-gear frame on which individual wheels are each rotatably mounted through a respective rocker and the rocker is fastened in an articulated manner and supported through primary springs. The connection of the running-gear frame to the carriage body of the drop-frame rail vehicle is provided through two articulated rods which are mounted on a crossmember of the running gear frame and which are fastened to the carriage body. The carriage body is supported on the running-gear frame through secondary springs which are mounted in pockets of the transverse ends of the crossmembers. Transverse stops which are disposed in the crossmember limit the transverse movement of the carriage body in relation to the running gear. Advantageously, the individual wheel and the drive of the individual wheel are mounted in the rocker in such a manner as to be connected to form a structural unit. This structure provides running gears for drop-frame rail vehicles in which the drop-frame nature of the carriage body is completely preserved and only wheel cases are present in the region of the individual wheels of the running gear.
Patent CA-2001398-C (CA)
Inventor: TAGUCHI YUKIHIKO
IPC: F04B27/14
Filed: 1989-10-24
Granted: 1996-02-06
Abstract: A slant plate type compressor with a capacity or displacement adjusting mechanism is disclosed. The compressor includes a housing having a cylinder block provided with a plurality of cylinders and a crank chamber. A piston is slidably fitted within each of the cylinders and is reciprocated by a drive mechanism which includes a member having a surface with an adjustable incline angle. The incline angle is controlled by the pressure in the crank chamber. The pressure in crank chamber is controlled by control mechanism which comprises a pas-sageway communicating between the crank chamber and a suction chamber, a first valve device to control the closing and opening of the passageway and a second valve device to control pressure in an actuat-ing chamber. The first valve device includes a bellows valve element and a valve shifting element. The valve shifting element of which one end is exposed in the actuating chamber is coupled to the bellows to apply a force to the bellows at another end and thereby shift a control point of the bellows in response changes in the actuating chamber pressure.
Patent CA-2003361-C (CA)
Title: Human vascular permeability factor
Inventor: FEDER JOSEPH
IPC: C07K14/47
Filed: 1989-11-20
Granted: 2000-03-21
Abstract: A process is disclosed for the production of a novel human vascular permeability factor in vitro comprising growing cells derived from the human histiocytic lymphoma cell line U-937 in nutrient culture medium at about 35° to 38°C for a sufficient time to elaborate vascular permeability factor and isolating the resulting vascular permeability factor from the spent cells or the cell culture conditioned medium.
Patent CA-2004658-C (CA)
Title: Arthroscopic clip and insertion tool
Inventor: OBERLANDER MICHAEL A
IPC: A61B17/10
Filed: 1989-12-05
Granted: 1995-10-10
Abstract: A surgical clip and insertion tool for same for repairing  tears  in  fibrocartilage  and  soft  tissue  is described.  The clip has a pair of opposed legs formed of rigid biodegradable material.  Each leg has at least one barb for easily penetrating the cartilage and soft tissue, and  for  opposing  withdrawal  from  it.    The  legs  are interconnected  by  a  flexible  section  that  is  also biodegradable.  The instrument for applying these clips has a pair of opposed jaws, each with at least one notch for holding the barbs of the clip.  The jaws are biased apart in a normally open position and are interconnected to an actuating handle.  The instrument further includes a device which closes the jaws when the handles are moved a first way relative to one another and opens them when the handles are moved the other way.
Patent CA-2017042-C (CA)
Inventor: DELTEIL ALAIN
IPC: H04N5/372
Filed: 1990-05-17
Granted: 2000-09-19
Abstract: L'ensemble comprend une barrette de détecteurs infrarouge élémentaires d'analyse du fond de scène. Les détecteurs élémentaires sont des détecteurs d'imagerie de surfaces sensibles plus petites que les taches optiques produites par les objets chauds à détecter.      L'ensemble comporte des moyens agencés pour regrouper virtuellement les détecteurs d'imagerie en détecteurs virtuels de veille (d v) de surfaces sensibles adaptées auxdites taches optiques, les moyens de regroupement comprenant des moyens de sommation en site de p détecteurs d'imagerie intermédiaires contigus au pas de q détecteurs avec un recouvrement de (p-q) détecteurs intermédiaires d'un détecteur de veille au suivant et des moyens de sommation en gisement de r échantillons d'imagerie au pas de s échantillons avec un recouvrement de (r-s) échantillons d'un pixel de veille au suivant. L'ensemble de l'invention est d'un bas prix de revient et adapté à toutes taches optiques.
Patent CA-2017324-C (CA)
Title: Apparatus for testing an oil well, and corresponding method
Inventor: GOLDSCHILD PIERRE
IPC: E21B47/00
Filed: 1990-05-23
Granted: 2000-12-12
Abstract: The invention relates to a method of testing a well, comprising the steps of:   - providing a pipe string with a tester valve assembly adapted to allow or prevent fluid flow from an isolated lower interval of the well into the pipe string, said tester valve assembly comprising a valve element movable between a closing and an opening position, said valve element being in a predetermined initial position; - suspending from a cable inside the pipe string a measurement assembly including sensor means, and lowering said measurement assembly into engagement with valve actuating means of the tester valve assembly, the arrangement being such that said sensor means is exposed to the fluid of said interval as a result of said engagement, irrespective of the position of the valve element; - exerting a succession of tensions and releases on the cable to operate said valve actuating means, said succession effecting successive changes in the position of the valve element, while measuring by said sensor means the modifications of fluid condition in said interval resulting from the operation of the valve element; and - releasing the measurement assembly from said, valve actuating means upon completion of a predetermined cycle of tensions and releases exerted on said cable, the tensions within said cycle being lower than the tension to be exerted for actuating the valve element.
Patent CA-2017677-C (CA)
Inventor: HARLAND RONALD S
IPC: A61F13/15
Filed: 1990-05-28
Granted: 2001-04-03
Abstract: An absorbent structure of a superabsorbent material which superabsorbent material defines a chamber, said chamber containing an amount of an osmotic material. The presence of the chamber and osmotic material within the chamber has been found to increase the absorptive capacity of the superabsorbent material on a gram per gram basis.
Patent CA-2020955-C (CA)
Title: Oral osmotic device with hydrogel driving member
Inventor: CHILDERS JERRY D
IPC: A61K9/00
Filed: 1990-07-11
Granted: 2000-10-31
Abstract: An osmotic device (10) for delivering a beneficial drug, such as an anti-fungal, into the mouth of a human patient is disclosed.      The device (10) has a size and shape adapting it to be comfortably retained in the mouth for extended periods of time. The device (10) comprises a wall (12) surrounding a compartment (13) housing a layer of an agent (14) that is insoluble to very soluble in aqueous biological fluids, e.g., saliva, and a layer (16) of a fluid swellable, hydrophilic polymer. A passageway (17) in the wall (12) connects the agent (14) with the exterior of the device (10). The wall (12) is permeable to the passage of aqueous biological fluid but substantially impermeable to the passage of the hydrophilic polymer (16). In one embodiment the beneficial agent (14) has a different color than the hydrophilic polymer (16). The wall (12) is sufficiently translucent to permit the patient to see the amount of drug/beneficial agent (14) remaining to be delivered. Marking lines (19) may be provided on the wall (12) indicating the amount of drug/agent (14) which has been delivered and/or the amount remaining to be delivered.
Patent CA-2025520-C (CA)
Title: Microporous polyolefin membrane and method of producing same
Inventor: KONO KOICHI
IPC: C08J9/28
Filed: 1990-09-17
Granted: 2001-05-29
Abstract: A microporous polyolefin membrane made of a polyolefin composition containing 1 weight % or more of an ultra-high-molecular-weight polyolefin having a weight-average molecular weight of 7 x 10 5 or more and having a weight-average molecular weight/number-average molecular weight ratio of 10-300, the microporous membrane having a thickness of 0.1-25 .mu.m, a porosity of 35-95%, an average pore diameter of 0.001-0.2 .mu.m and a breaking strength of 0.2 kg or more per 15 mm width is produced by (a) preparing a solution comprising 10-50 weight % of the polyolefin composition and 50-90 weight % of a solvent; (b) extruding the solution through a die; (c) cooling the extruded solution to form a gel-like article; (d) stretching the gel-like article at a temperature equal to or lower than a melting point of the polyolefin composition -+ 10.degree.C; and (e) removing the remaining solvent.
Patent CA-2026715-C (CA)
Title: Chlorine-doped optical component
Inventor: BERKEY GEORGE EDWARD
IPC: G02B6/28
Filed: 1990-10-02
Granted: 2000-12-19
Abstract: A fiber optic coupler of the type wherein first and second single-mode optical fibers, each having a core and a cladding, are fused together along a portion of the lengths thereof to form a coupling region. The fiber diameters are smaller in the coupling region than in the the remainder of the fibers. The cladding of the second fiber contains an amount of chlorine sufficient to increase the refractive index n~ thereof to a value greater than the refractive index n2 of the cladding of the first fiber.
Patent CA-2028792-C (CA)
Title: Method of producing an angled pin seam in a papermakers felt
Inventor: ALDRICH W DANIEL
IPC: D21F7/10
Filed: 1990-10-29
Granted: 1995-03-14
Abstract: A procedure is described for providing an angled pin seam on a papermakers felt in which a base fabric is woven with a selectively joinable pin seam to form a continuous loop of the base  fabric,  skewing that base  fabric  and its  seam by displacing  one  of  the  lateral  edges  of  the  fabric longitudinally of  the machine  direction relative  to  the opposed lateral edge while maintaining the machine direction yarns extending substantially in the machine direction, thus skewing the seam relative to the machine direction and to the cross machine direction, and in which batt material is needled into the base fabric while the base fabric is maintained in the skewed condition, whereby the needled batt maintains the fabric in its skewed condition.
Patent CA-2031069-C (CA)
Title: Noise reducing tool and method
Inventor: BROOKS GARY E
IPC: G10K11/16
Filed: 1990-11-29
Granted: 1998-11-17
Abstract: The present noise reduction system provides a tool and a method to dampen the vibration of sheet material such as a panel, a  metal  sheet  or  a  skin  while  performing  a  manufacturing operation on  it,  for  instance riveting,  drilling,  etc.  This noise reducing tool is held in place by vacuum and thus avoids the  disadvantages  associated  with  gluing  and   mechanical  or magnetic fixing devices.  This noise reducing tool includes a flexible pad made of a metal back sheet with a vibration damping sheet adhered to it and having an air seal  surrounding the damping sheet such that the pad is held against the panel by action of a vacuum intermediate the damping sheet and the panel.
Patent CA-2032207-C (CA)
Title: Bidirectional hot melt ink jet printing
Inventor: HOISINGTON PAUL A
IPC: B41J19/14
Filed: 1990-12-13
Granted: 1996-01-09
Abstract: In the representative embodiments of the inven-tion described in the specification, an ink jet head (33) has a series of aligned arrays (35,36,37) of ink jet orifices arranged to project drops of different colored inks in sequence to the same location on a substrate during each scan of the ink jet head adja-cent to the substrate.  The spacing of the orifices in each aligned array and the speed of the ink jet head during the scanning are arranged so that all the ink drops applied at the same location on the substrate are applied in a time period of no more than about 100 milliseconds and preferably no more than 50 milli-seconds.  Moreover, to avoid banding the lines pro-duced by successive scans of the head are interlaced so as to produce a periodic frequency of no more than about four lines per millimeter.
Patent CA-2038030-C (CA)
Inventor: PELZER HERMANN
IPC: C12N15/52
Filed: 1991-03-12
Granted: 2002-02-26
Abstract: The invention relates to synthetic peptides which contain certain partial sequences from factor VIIa, the synthesis thereof and the use of these peptides for immunizing an animal and for purifying specific antibodies against the said peptides, to antibodies against these peptides and the use of these antibodies and peptides in therapy and diagnosis.
Patent CA-2038672-C (CA)
Title: Dosage form for delivering drug to the intestine
Inventor: WRIGHT JEREMY C
IPC: A61K9/28
Filed: 1991-03-20
Granted: 2002-01-15
Abstract: A drug delivery device (10) is disclosed for delivering a drug (17) to the intestine and the colon. The device (10) comprises external means (13) for delaying the delivery of drug (17) in the stomach, and hydrophobic means for preventing the passage of fluid through the delay external means (13).
Patent CA-2040071-C (CA)
Title: Percussive rock cutting tool
Inventor: BECHEM ULRICH
IPC: B23B47/04
Filed: 1991-04-09
Granted: 2004-11-23
Abstract: The invention discloses a rock-cutting tool including a sleeve equipped with cutting elements and supported on a shaft, the sleeve being separately rotatable and eccentrically arranged in relation to the shaft whereby, in use, rotation of the shaft imparts a radially oscillating motion on the sleeve. At least one adjustable counterweight is connected to the shaft and located within the sleeve.
Patent CA-2042745-C (CA)
Title: Novel hardenable compositions
Inventor: KRAMER ANDREAS
IPC: C08F222/40
Filed: 1991-05-16
Granted: 2003-09-16
Abstract: Compositions comprising A) compounds of formula I   (see formula I) wherein R1, R2, R3 and R4 are identical or different and each is hydrogen or methyl, and X is a divalent organic radical comprising from 2 to 60 carbon atoms, and B) compounds of formula II   (see formula II) wherein R5 and R6 are identical or different and each, independently of the other, is C1-C8alkyl, and Y is hydrogen or an allyl radical, are distinguished by a favourable processing behaviour and high glass transition temperatures.
Patent CA-2043064-C (CA)
Title: Optimized 18-pulse type ac/dc, or dc/ac, converter system
Inventor: PAICE DEREK ALBERT
IPC: H02M7/17
Filed: 1991-05-23
Granted: 2000-02-15
Abstract: A 18-pulse converter system operates without interphase transformer and neutral point on the DC side by providing three rectifier bridges across the DC terminals, one rectifier bridge being coupled with the AC terminals and the two other rectifier bridges being operated at + and -40 degrees phase shift, while the rectifier devices are controlled for 40-degree current conduction.
Patent CA-2044377-C (CA)
Title: Self-supporting structural assembly and building units for making the same
Inventor: OUELLET BENOIT
IPC: E04B1/00
Filed: 1991-06-12
Granted: 1994-07-05
Abstract: ABSTRACT OF THE DISCLOSURE            There  is  disclosed  a  structural  building  unit interconnecting with corresponding building units. The building  unit  is  made  of  a  floor  having  two extremities and two lateral edges. The lateral edges are provided with indentation that receive a tongue extending from the extremities  of  the  corresponding unit. A plurality of such units interconnected together forms a tridimensional framework capable to hold glass panels or the like.
Patent CA-2045323-C (CA)
Title: Non-a, non-b hepatitis virus genomic cdna and antigen polypeptide
Inventor: OKAYAMA HIROTO
IPC: C12N15/51
Filed: 1991-06-24
Granted: 2001-01-23
Abstract: Disclosed is an isolated non-A, non-B hepatitis virus genomic cDNA covering the entire region of the virus gene nucleotide sequence from the 1st to 9416th nucleotides, wherein the coding region is from the 333rd to 9362nd nucleotides, and the 5'- and 3'-noncoding sequences contain 332 nucleotides and 54 nucleotides, respectively.      Part of the cDNA and an antigen polypeptide as an expression product thereof are useful as a diagnostic reagent for non-A, non-B hepatitis. The antigen polypeptide is also useful as an active ingredient for a non-A, non-B hepatitis virus vaccine.
Patent CA-2046678-C (CA)
Title: Tamper evident closure using microcapsules
Inventor: ILER HOWARD DARRELL
IPC: B65D25/20
Filed: 1991-07-10
Granted: 2003-04-15
Abstract: This relates to the provision of a vacuum identifying button of a conventional closure for containers with encapsulated microcapsules containing a suitable dye. While the button is in its depressed, concave configuration, a coating surrounding the microcapsules is cured and caused to bond to the microcapsules. When the button everts to project upwardly and have a convex configuration, the coating is tensioned causing the microcapsules to rupture and release the color forming dye materials thereof, if desired, the evidence of button flipping or tampering may merely be in the form of a colored areas, such as a stripe. In a modification, the effected colored areas may be in a design to present a warning or message. For example, a simple message such as "OPENED" may be effected.
Patent CA-2047590-C (CA)
Title: Door latch assembly
Inventor: ADAMS RICHARD
IPC: E05C1/16
Filed: 1991-07-23
Granted: 1997-11-18
Abstract: A latch assembly comprising a housing; a latch element retractably mounted in said housing;  a spindle extending transversely  through  the  housing  and  rotatably  mounted therein; an operative connection between the spindle and the latch element whereby the latch element is retracted into the housing in response to turning movement of the spindle comprising two hub elements relatively rotatably mounted on the   spindle,   an  operating  plate  arranged   to  move longitudinally of  the housing  in response  to  rotational movement of the hub elements,  a drawbar attached to the latch element for movement therewith, and a latch lever through which movement of the operating plate is translated to the drawbar; and a pawl for selective engagement with one or the other or neither of said hub elements.
Patent CA-2047600-C (CA)
Title: Rapid-action, anti-jolt edger charger system
Inventor: MILLER DONALD F
IPC: B27B31/06
Filed: 1991-07-23
Granted: 1996-03-12
Abstract: A lumber workpiece charger system for an edger wherein transfer of a workpiece occurs under rapid non-jolting control for precise positioning, with the workpiece, throughout its delivery, clamped in proper orientation for hand-off to the edger.
Patent CA-2048665-C (CA)
Title: Process and device for the production of plastic fiber boards
Inventor: KUBBUTAT ALBERT
IPC: B29C70/66
Filed: 1990-03-07
Granted: 1998-09-22
Abstract: A process and device for the manufacture of plastic fiber boards made of balls of expanded glass, expanded clay, pumice granules, mica, or a similar material and a foamed organic binder, such as epoxy resin, PU phenol resin, or the like. The binder is mixed with the balls, foamed, and hardened in a matrix space formed between two mold plates positioned at a  distance  one from  the  other.  In  order  to  obtain    a particularly light but stable plastic fiber board, uniformly distributed recesses opening toward the internal sides of the plates are provided to contain the mixture located between the two mold plates during compression and before hardening. The device employed to implement the process includes two mold plates, which are brought together in a press to compact the introduced mixture therebetween. The inner surface of each mold plate is provided with a plurality of uniformly distributed, conical mold bodies whose cross-sections running parallel to the mold plate surface decreases in the direction of the other mold plate.
Patent CA-2049807-C (CA)
Title: Smoking article
Inventor: SERRANO MARK A
IPC: A24D1/22
Filed: 1991-08-23
Granted: 2002-07-23
Abstract: A smoking article in which a flavored aerosol is generated by heat transfer to a flavor bed from the combustion of a heat source is provided. The article generates substantially no sidestream smoke. The transfer of heat from the heat source to the flavor bed is accomplished by connective and radiative heat transfer.
Patent CA-2049846-C (CA)
Title: Porridgelike dietary fiber, foods containing the same, and method for producing porridgelike dietary fiber
Inventor: MASUDA AKIYOSHI
IPC: A23L29/00
Filed: 1991-08-26
Granted: 1997-01-21
Abstract: A porridgelike dietary fiber prepared by finely grinding a wet beet pulp obtained by removing most of the water-soluble components from beet roots is disclosed. Processed foods added with such a porridgelike dietary fiber and a process for producing such a porridgelike dietary fiber are also disclosed.
Patent CA-2053643-C (CA)
Title: Dispositif d'alimentation d'un element rayonnant fonctionnant en double polarisation
Inventor: RAGUENET GERARD
IPC: H01Q5/55
Filed: 1991-10-17
Granted: 1995-03-21
Abstract: Dispositif d'alimentation d'un élément rayonnant fonctionnant en double polarisation, comprenant une première ligne d'alimentation pénétrant dans une première cavité située sous ledit élément rayonnant, et une seconde ligne d'alimentation, disposée selon une géométrie orthogonale à la première ligne pénétrant dans une seconde cavité située dans le prolongement de la première, une pièce conductrice formant une fente de couplage entre ces deux cavités. L'invention trouve une application notamment dans un domaine des transmissions spatiales.
Patent CA-2060716-C (CA)
Title: Security, information document
Inventor: MOWRY WILLIAM HARVEY JR
IPC: B41M3/14
Filed: 1992-02-10
Granted: 1998-06-23
Abstract: A security, information document for providing information to a reader from an information source organization includes a document substrate having a first area in which a half-tone warning image is printed, indicating that a copy of the document is an unauthorized document.  A half-tone background image is printed in a second area on the substrate, with the second area surrounding the first area.  A camouflage image extends over the document substrate for confusing the eye of an observer such that the warning image is not readily observed.  One of the half-tone warning image and the half-tone background image is printed with a half-tone screen of such a line spacing that it is not readily reproducible by a copier.  The camouflage image may contain an identification of the source of the information.