baber/WOPTO huggingface dataset:
Patent CA-2093577-C (CA)
Title: Alkyl or alkoxy substituted s-heterocyclic retinoids
Inventor: KLAUS MICHAEL
IPC: A61P37/06
Filed: 1993-04-07
Granted: 2006-01-03
Abstract: Compounds of the formula   in which X represents -S-, -SO- or -SO2-;      R1 represents C7-10-alkyl or C1-10-alkoxy;      R2 represents a residue of the formula   R3 represents carboxy or lower-alkoxycarbonyl; and n represents 1, 2 or 3; and salts of carboxylic acids of formula I can be used as medicaments, e.g, for the treatment of autoimmune diseases and diseases having a strong immunological component, such as psoriasis.
Patent CA-2100911-C (CA)
Title: Loop distributor for reforming station
Inventor: STARVASKI RAYMOND R
IPC: B21B39/14
Filed: 1993-07-20
Granted: 1997-03-25
Abstract: A rolling mill reforming station has an annular chamber into which rings are dropped to accumulate in coil form. A guide member is rotated about a circular path surrounding the path of ring descent. The guide member has a three dimensionally curved guide surface configured in the general shape of a plow share which distributes the descending rings around the circumference of the accumulating coil.
Patent CA-2105917-C (CA)
Inventor: FELLO JOSEPH PHILIP
IPC: H01H71/46
Filed: 1993-09-10
Granted: 2003-11-18
Abstract: An auxiliary switch, mounted in a compartment in the molded housing of a circuit breaker separate from the compartment in which the circuit breaker mechanism is mounted, is actuated, when the circuit breaker contacts are open, by cascaded actuating members, one of which engages, through a housing panel dividing the compartments, the latchable cradle of the circuit breaker mechanism to actuate the auxiliary switch when the circuit breaker is tripped, and the second of which is spring biased against a cam surface on an operating member incorporating the circuit breaker handle to actuate the auxiliary switch when the handle is in the off position.
Patent CA-2107189-C (CA)
Title: Ophthalmic lens with reduced edge glare
Inventor: WOFFINDEN GEORGE JOSEPH
IPC: G02C7/04
Filed: 1993-09-28
Granted: 1999-08-31
Abstract: An ophthalmic lens is disclosed. The lens has a one-piece lens body with an integral edge surface. The edge surface includes means displayed on the edge surface for reflecting visible light which contacts the edge surface away from the retina of the patient. This lens design reduces glare seen by the patient caused when incident light contacts the edge surface and is undesirably reflected onto the retina.
Patent CA-2110786-C (CA)
Title: Process and device for increasing the gloss and/or smoothness of a web of material
Inventor: WINHEIM STEFAN H
IPC: D21F7/00
Filed: 1993-12-06
Granted: 1997-09-16
Abstract: A process and device for increasing the gloss and/or smoothness of a web of material are described, whereby a web of material (5) is passed through a roller gap where it is exposed to pressure.  A steam dispensing device (7) is provided upstream of the roller gap relative to the direction of travel (9) of the web of material (5).  The increase in gloss and/or smoothness is to be accomplished without consuming much energy.  To do so, the steam is condensed on the web of material and the web of material (5) is guided through the roller gap before the increase in moisture content of the surface due to the steam treatment has dropped below a predetermined value.  For this purpose, the steam dispensing device (7) has a steam blasting chamber (13) which is completely surrounded by a free housing wall (14) with a number of steam outlet openings (20) and other chamber walls (15-19) and it has a steam valve (21) for injecting steam into the steam blasting chamber (13), in which case at least one wall of the steam blasting chamber (13), preferably the free housing wall (14), is heated.
Patent CA-2113951-C (CA)
Inventor: KUSIAK JAMES L
IPC: A47C7/44
Filed: 1994-01-21
Granted: 1999-01-19
Abstract: An apparatus is provided for adjusting the position of a backrest relative to a chair seat. The backrest includes an elongated stem having a curved lower portion. Preferably, a spring operably engages the stem to bias it in an upward direction. A housing is adapted to slidably receive the curved portion of the stem and guide the spring. A latch mechanism is adapted to engage the stem to lock the backrest in a desired position, and an actuator member is adapted to move the latch mechanism between an engaged and disengaged position. In operation, the latch mechanism is disengaged to allow the backrest stem to move in a curvilinear path to a desired height and corresponding angular position, and reengaged to lock the backrest stem in said position.
Patent CA-2114639-C (CA)
Title: Carbothermic reaction process for making nanophase wc-co powders
Inventor: MCCANDLISH LARRY E
IPC: C01B32/949
Filed: 1992-08-06
Granted: 2003-02-25
Abstract: A new carbothermic reaction process is described for the thermochemical processing of nanophase WC-Co powders. The process permits shorter reaction times, reduced temperatures, and finer microstructures compared to conventional processing methods. The process builds on our experience with spray conversion processing [1], but involves 1) chemical vapor infiltration reaction of the carbon infiltrant and particle substrate to form WC-Co; and 2) removal of any excess (unreacted) carbon by con-trolled gasification. A feature of the carbothermic reaction process is its adaptability to conventional WC-Co processing technolo-gy, as well as to spray conversion processing technology. The resulting powder particles consist of a network of fine grains, (less than 100 nm) of WC and Co with interconnected fine porosity. Powder particles suitable for subsequent handling and consolida-tion are readily produced with diameters greater than 10 microns.
Patent CA-2121689-C (CA)
Title: 1.alpha.,24(s)-dihydroxy vitamin d2, its formation and use
Inventor: HORST RONALD L
IPC: A61K31/59
Filed: 1993-08-30
Granted: 2008-03-18
Abstract: 1.alpha.,24(S)-Dihydroxy vitamin D2 which is useful as an active compound of pharmaceutical compositions for the treat-ment of disorders of calcium metabolism and for various skin disorders. The invention also includes preparation of sym-thetic 1.alpha.,24(S)-dihydroxy vitamin D2 starting from ergosterol which is converted in six steps to 24-hydroxyergosterol.  24-Hy-droxyergosterol is irradiated and thermally converted to 24-hydroxy vitamin D2 which is converted in six steps to 1.alpha.,24(S)-dihydroxy vitamin D2. The syntheses also produce novel intermediates.
Patent CA-2124237-C (CA)
Inventor: COHEN BERNARD
IPC: D06M10/02
Filed: 1994-05-25
Granted: 2004-11-02
Abstract: A steam sterilizable nonwoven material which is subjected to charging, and more particularly electrostatic charging is provided. The nonwoven materials may include laminate nonwovens wherein one or more layers are subjected to charging. The nonwoven material(s) may also be treated with an antistatic material before or after subjecting the same to charging.
Patent CA-2127553-C (CA)
Inventor: SIKIRIC PREDRAG
IPC: A61P35/00
Filed: 1993-11-16
Granted: 2003-01-28
Abstract: We have discovered synthetic peptides with only 8 to 15 amino acid residues in chain with the molecular weight between 900 and 1600 Daltons, that have biological activity of the natural body protecting compound BPC, but with increased selectivity. Our new peptides are more economically produced and are less subject to the effects of side reaction because they contain less amino acid residues than BPC.
Patent CA-2130687-C (CA)
Inventor: MANCL DENNIS J
IPC: H02K5/14
Filed: 1994-08-23
Granted: 1998-08-25
Abstract: A brush/shunt assembly for an electric motor is provided. The shunt portion of the assembly is a stranded wire shunt with a joined (e.g., fused) end that can be easily inserted into a slotted terminal.  A lubricant can be added to reduce insertion forces.
Patent CA-2132992-C (CA)
Inventor: TAYLOR CARL RAYMOND
IPC: G02B6/245
Filed: 1994-09-27
Granted: 1997-10-28
Abstract: A coating system for individual glass fibers 12 of a lightwave communications system has improved strippability, particularly in situations where a group of such fibers are arrayed together in what is known as a ribbon 20. A preferred embodiment includes two layers (primary 14 and secondary 15) of polymeric materials surrounding the glass fiber 12. The primary layer 14 comprises an oligomer (50-80% by weight), a diluent (15-40% by weight), and additives (5-35% by weight). The oligomer comprises polyol "A," diisocyanate "B," and a hydroxy-terminated alkyl acrylate "C" having the structure C-BA-B-C. At least one of the additives contains a non-crosslinked hydrocarbon component (1-20% by weight) having a structure R1 - (R)n - R2; where R1, R2 comprises an alkyl group or an OH group, and R is acombination of C, H or C, H, O.  In an alternative embodiment, the need for a diluent is substantially eliminated by using an oligomer having the structure E-D-E where "D" represents a carboxy-terminated polyol, and "E" represents a glycidyl acrylate.
Patent CA-2148307-C (CA)
Inventor: HOTIER GERARD
IPC: B01D15/08
Filed: 1995-05-01
Granted: 2007-01-02
Abstract: Un procédé de séparation par chromatographie en lit mobile simulé est l e plus généralement caractérisé par une pompe de recyclage qui adopte successivement les débits caractéristiques des 4 ou 5 zones du procédé. L'invention décrit la méthode qui permet de passer de ce procédé de séparation en lit mobile simulé conventionnel à un procédé de séparation en lit mobile simulé tel que la pompe de recyclage est opérée à un débit consta nt optimal. Pour ce faire, on permute tout le long du cycle tous les circuits d'introduction et de prélèvement grâce à des moyens indépendants les uns des autres, de manière que le volume élué à la sortie de chaque zone reste sensiblement constant, zone par zone, entre deux permutations successives tout le long du cycle.
Patent CA-2150504-C (CA)
Title: Support panel for a rotary paper cutter
Inventor: BODA JAMES C
IPC: B26D7/20
Filed: 1995-05-30
Granted: 1999-06-01
Abstract: A paper cutter assembly having an extruded rail assembly including a base board and a rail formed at right angles to each other.  A carriage assembly is mounted on the rail for translational movement across the rail.  End blocks are provided in each end of the rail assembly for pivotally connecting the rail assembly to guide blocks for pivotal movement between operative and inoperative positions with respect to the paper.
Patent CA-2154093-C (CA)
Inventor: PIKE RICHARD DANIEL
IPC: B01D39/08
Filed: 1995-07-18
Granted: 2005-09-13
Abstract: The present invention provides a filter medium, which contains an electretized nonwoven web of crimped fibers selected from the group consisting of spunbond filaments and staple fibers, wherein the nonwoven web has a Frazier permeability equal to or greater than about 100 ft3/min/ft2 and a density between about 0.01 g/cm3 and about 0.095 g/cm3.
Patent CA-2154842-C (CA)
Inventor: FRIEDRICH BRENT R
IPC: A47J31/46
Filed: 1995-07-27
Granted: 1999-03-23
Abstract: A beverage brewing apparatus which includes a substance dispensing device and a brewing device. The brewing apparatus includes a receptacle for receiving a brewing substance from the substance dispensing device, a movable chute positioned between the substance dispensing device and the receptacle, and a water dispensing system operatively associated with the brewing device and selectively communicating with the receptacle for delivering water to a brewing substance retained therein. Additionally, a drive assembly is provided to operatively receptacle the water dispensing device relative to the receptacle. When the water dispensing device is positioned in communication with the receptacle, the chute is moved out of communication with the receptacle. When the water dispensing device is removed from communication with the receptacle, the chute is placed in communication with the receptacle. The present invention also includes a seal attached to the water dispensing device to seal the water dispensing device while dispensing water to prevent the escape of moisture from the water dispensing device. The apparatus includes a sensor for detecting when a funnel is not present for brewing a beverage or when the funnel has not been recharged and replaced after brewing a beverage and upon initiating a subsequent beverage brewing cycle .
Patent CA-2157211-C (CA)
Inventor: PENNETREAU PASCAL
IPC: B01J27/135
Filed: 1995-08-30
Granted: 2007-08-21
Abstract: Hydrofluorination of chloro(fluoro)butane of formula (I) C4H5ClxF(5-x) using hydrogen fluoride, is performed in the presence of a catalyst (II) selected from Gp IIIa, IVa, IVb, Va, Vb and Vb metal derivs. In (I), x is 1-5. Also claimed is the prepn. of 1,1,1,3,3-pentafluorobutane (III) by the above process. (II) is Sn or Sb chloride, fluoride or chlorofluoride (pref. antimony pentachloride). 0.001-1 mol. (II) w.r.t. (I) are used. The mol ratio HF to (I) is 4-25. The reaction is effected at 50-150 deg. C and 2-40 bar. (I) is 1,1,3,3-tetrafluoro-1-chlorobutane (Ia); 1,3,3-trifluoro-1,1-dichlorobutane or 1,1,3-trifluoro-1,3-dichlorobutane. (I) is obtd. by reaction of vinylidene chloride with HF.
Patent CA-2158245-C (CA)
Inventor: CHEVALLET JACQUES
IPC: G01L7/00
Filed: 1995-09-13
Granted: 2007-02-20
Abstract: The system uses a pressure detector (38) which is sensitive to gas pressure variation, a housing (30) divided into compartments (31,32) by a supple membrane (33), the first compartment (31) of which has an orifice through which a liquid is introduced and the second compartment (32) is connected in a sealed way to the pressure detector (38), a pump system (41) which varies the quantity of gas in the second compartment (32). The system has controller (27) which drives the pump (41) as a function of pressure variations induced in the second compartment (32) by the pump (41) so as to adjust the position of the membrane (33) between a wall of the housing delimiting the second compartment, which is selectively connected to the pressure detector (38) or to the pump (41).
Patent CA-2159024-C (CA)
Inventor: FREEMAN LEWIS GENE
IPC: B22D17/14
Filed: 1995-09-25
Granted: 2000-09-19
Abstract: A vacuum valve adapted to be coupled with a die pair forming a mold cavity therebetween and separated by a parting line between the die pair, said vacuum valve comprising; a first die block adapted to be secured to one die of the die pair and including a slot in fluid communication with the mold cavity, and a valve member that is moveable between a first position permitting flow through fluid said slot and a second position inhibiting the flow of fluid through said slot; a second die block adapted to be secured to the other die of the die pair and having a passageway in fluid communication with said slot and a vacuum source; a power-operated actuator having a reciprocally moveable output member; a geared drive mechanism coupling said output member of said actuator to said valve member for changing movement of said actuator output member into movement of said valve member; and a controller for controlling the reciprocation of said actuator output member.
Patent CA-2164621-C (CA)
Title: Sac prophylactique souple possedant un dispositif de fermeture ameliore
Inventor: IRELAND JUD
IPC: A61F6/04
Filed: 1994-06-10
Granted: 2009-10-27
Abstract: Préservatif masculin (10) destiné à être porté sur le pénis (12). Mis en place sans être tendu, le préservatif masculin (10) est maintenu en place par une fermeture (20) simple mais fiable. La fermeture peut être un ruban élastique continu ou un ruban non élastique du type à boucles et à crochets. Le fait que le préservatif n'est pas tendu facilite sa mise en place et son retrait, et accroît les sensations de l'utilisateur pendant le rapport. La fermeture (20) assure l'étanchéité à la base du pénis (12) pour protéger contre des maladies et éviter une fécondation résultant des fuites de fluide séminal et, si elle est suffisamment serrée, peut prolonger les érections.
Patent CA-2168881-C (CA)
Inventor: FAIG HAROLD J
IPC: B29C45/50
Filed: 1994-07-06
Granted: 1999-04-13
Abstract: L'invention concerne une machine à mouler par injection utilisant des moteurs à induction C.A. à commande vectorielle (103, 124, 148, 156) intégrés dans ses systèmes d'entraînement à servomécanisme. Des moteurs à induction C.A. à commande vectorielle assurent un système d'entraînement grande puissance rentable présentant des capacités de rendement supérieures. L'efficacité du système est encore accrue lorsque la commande est configurée pour commander des moteurs multiples par l'addition d'un multiplexeur (192) permettant à l'unité centrale (190) de l'organe de commande d'envoyer des signaux aux organes d'alimentation (194, 196, 198, 200) de chaque moteur.
Patent CA-2170286-C (CA)
Inventor: POTTER GERARD ANDREW
IPC: C07J13/00
Filed: 1994-09-22
Granted: 2005-04-05
Abstract: A method of preparing a 3.beta.-hydroxy- or 3.beta.-(lower acyloxy) 16,17-ene-17-(3-pyridyl)-substituted steroid, wherein the 3.beta.-(lower acyloxy) group of the steroid has from 2 to 4 carbon atoms, which comprises subjecting a 3.beta.-hydroxy-16,17-ene-17-iodo or -bromo steroid to a palladium complex-catalysed cross-coupling reaction with a (3-pyridyl)-substituted borane in which the pyridine ring is substituted at the 5-position by an alkyl g}oup of 1 to 4 carbon atoms or is unsubstituted thereat, in a proportion of at least 1.0 equivalent of borane per equivalent of steroid, in an organic liquid which is a solvent for the 3.beta.-hydroxy steroidal reaction product, and optionally esterifying the resulting 3.beta.-hydroxy steroidal reaction product with an esterifying agent effective to replace the hydroxy group by a said lower acyloxy group, which method comprises (a) carrying out the reaction with not more than 1.2 equivalents of borane per equivalent of steroid or (b) crystallising the product of the cross-coupling reaction from a mixture of acetonitrile and methanol.
Patent CA-2171344-C (CA)
Title: Protection network design
Inventor: JOHNSON DAVID
IPC: H04L12/24
Filed: 1994-10-07
Granted: 2000-04-18
Abstract: A communications network protection design method in which a spare is notionally added to the network for a simulated span failure and the respective values for network restorability merit, as defined herein, are calculated. The notionally added spare having the greatest value of restorability merit is addedto the network design and the process repeated, being extended to add two spares at a time if need be, and finally to add a complete path of spares to restore a failed span, the process ending after any addition of a spare or spares for which a network restorability target is reached. Following this forward synthesis phase, a tightening phase reduces the network cost by trying to remove spares and checking whether the restorability target can still be met. When no further single spares can be removed without violating the restorability target, this phase proceeds through various combinations namely: removing one spare and adding one spare; removing two spares and adding one or two spares; and removing three spares and adding two or three spares. Each such combination is accepted only it if will reduce the network cost.
Patent CA-2174665-C (CA)
Title: Method of making calcification-resistant bioprosthetic tissue
Inventor: LEVY ROBERT J
IPC: A61L27/54
Filed: 1994-10-20
Granted: 2007-06-05
Abstract: A method of treating a collagenous biomaterial, such as porcine aortic valve leaflets or bovine pericardium, by exposing the biomaterial to an alcohol to inhibit in vivo calcification. The biomaterial preferably glutaraldehyde-pretreated, is subjected to an aqueous solution of 60 % to 80 % lower aliphatic alcohol such as ethanol for a period of at least 20 minutes, and preferably, 24 to 72 hours. The biomaterial is rinsed, and then stored in either a glutaraldehyde-free environment or an ethanolic solution of glutaraldehyde.
Patent CA-2174816-C (CA)
Title: Tortillas having increased flexibility and process therefore
Inventor: DECOSTE JAMES
IPC: A21D2/36
Filed: 1996-04-23
Granted: 1998-10-20
Abstract: The present invention relates to using long slender fibers to provide tortillas exhibiting increased flexibility.
Patent CA-2179801-C (CA)
Title: Security sensor arrangement with overlapping fields of view
Inventor: DAVIS ANDREW LENNOX
IPC: G08B13/193
Filed: 1996-06-24
Granted: 2008-06-17
Abstract: The advent of CCD's (30) has made high resolution visible wavelength sensors relatively inexpensive. Similar resolution thermal imagers (10) are currently far too expensive for most security sensor applications. In order to make a high performance intrusion sensor combining the two disparate wavelength sensors, it would be beneficial for both sensors to have identical spatial resolution and response times. However a high spatial resolution thermal sensor is very expensive whereas a simple and effective sensor can be made with just two thermal elements in conjunction with an optical lens and/or mirror arrangement to perform image segmentation and overlay functions. This invention provides a means and method to match the field of view (25, 26 and 27) by sectorisation (a-n) (a'-n') and sensor signal output processing (38) of a high resolution sensor (28) eg (visible wavelength) and a low resolution sensor (10) eg (thermal) to provide a low cost detection device which achieves a substantially higher performance than one which only logically combines the outputs of the two individual detectors.
Patent CA-2188596-C (CA)
Inventor: ESKINS KENNETH
IPC: A23L7/10
Filed: 1995-04-21
Granted: 2002-06-25
Abstract: On peut préparer une composition stable et non séparable, constituée par de l'amidon et de l'huile, en l'absence d'agents extérieurs d'émulsification ou de dispersion, par solubilisation totale d'une dispersion aqueuse de l'amidon à des températures élevées et par incorporation de l'huile dans l'amidon non rétrogradé dans des conditions de turbulence élevée. Les dispersions obtenues constituent des gels mous qu'on peut convertir facilement en fluides sous l'effet de chaleur. Ces dispersions produisent en séchant des compositions solides qu'on peut facilement redisperser dans de l'eau, afin d'obtenir des dispersions lisses et stables, non graisseuses mais glissantes au toucher. Ces compositions sont efficaces en tant qu'agents épaississants, agents de suspension, substituts de graisses et revêtements de grains. On peut leur ajouter une variété de matériaux immiscibles dans l'eau, tels que des huiles volatiles et essentielles, des arômes alimentaires, des substances médicamenteuses ou des produits chimiques agricoles.
Patent CA-2197017-C (CA)
Title: Metal halide lamp
Inventor: GOODMAN DAVID
IPC: H01J61/26
Filed: 1997-02-07
Granted: 2004-04-27
Abstract: A metal halide discharge lamp comprises an outer evacuated sealed glass envelope having a domed end and a socket end spaced from the domed end along a longitudinal axis. The socket end is subject to high temperature sealing fires during the lamp manufacturing process. A getter material is contained in the envelope for removing gaseous materials therefrom, the getter material being positioned in the envelope in an area of the lamp remote from the socket end. A pair of electrical conductors extend into the interior of the glass envelope and an arc tube containing an arc sustaining chemical fill and including a pair of spaced electrodes is electrically connected to the electrical conductors for creating an electric arc during operation of the lamp. The getter material comprises about 70 weight percent zirconium, about 24.6 weight percent vanadium, and about 5.4 weight percent iron. The activation temperature of the getter is in the range of 400-500°C.