baber/WOPTO huggingface dataset:
Patent CA-2180661-C (CA)
Inventor: WILKINSON MARK GREGORY
IPC: E21C37/18
Filed: 1995-01-20
Granted: 2005-01-18
Abstract: Method and apparatus for plasma blasting (10) comprises a capacitor bank (28 ) for storing electrical charge to which is coupled an inductance (60) which delivers the electric charge as a current through a sw itch to an explodable conductor (16) comprising a portio n of a probe (14). The explodable conductor (16) is a ribbon helically wound aroun d a cylindrical mandril (108), the ribbon having a given length to cross section ratio of the inductance to the capacitance in order to ensu re efficient dissipation of an optimal amount of the ele ctrical energy stored in the capacitance.
Patent CA-2183537-C (CA)
Inventor: LEVENDIS YIANNIS A
IPC: F01N9/00
Filed: 1994-06-14
Granted: 1999-04-27
Abstract: A flow-through particulate incineration sys-tem is coupled to an aerodynamically regenerated diesel engine exhaust gas particulate (soot, condensed polynuclear aromatic and aliphatic hydrocarbons and ash) trap (418). An incineration chamber (430) is provided downstream of the particulates dislodged from the particulate trap (418) during regeneration thereof by a pulse of compressed air. During regen-eration, a valve (434) between the particulate trap (418) and the incineration chamber (430) opens to allow the air and entrained particles to pass into the incineration chamber (430) to allow passage of the regeneration air therethrough, but prevent passage of the particulates, whereby the particulates are retained in the incineration chamber (430). A heater (464) in the incineration chamber is periodically activated to bum the particulates collected in the trap. The oxi-dation products may be exhausted to ambient or may be returned to the engine intake (472) in an exhaust gas recirculation system.
Patent CA-2186767-C (CA)
Title: Fractionation of triglyceride oils
Inventor: VAN DEN KOMMER MARCELLE
IPC: C11B7/00
Filed: 1995-03-20
Granted: 2001-10-16
Abstract: Dry fractionation of triglyceride oil using as an additive a crystallisation modifying substance comprising a monoglyceride or diglyceride of fatty acids, optionally esterified with citric acid.
Patent CA-2187386-C (CA)
Title: Gene encoding endo-.beta.-n-acetylglucosaminidase a
Inventor: TAKEGAWA KAORU
IPC: C12N15/56
Filed: 1996-10-08
Granted: 2007-01-23
Abstract: An isolated DNA having a sequence encoding a polypeptide possessing endo-.beta.-N-acetylglucosaminidase A activity or functionally equivalent variants thereof; and a method for producing a polypeptide possessing endo-.beta.-N-acetylglucosaminidase A activity or functionally equivalent variants thereof using the isolated DNA by recombinant DNA technology.
Patent CA-2191454-C (CA)
Title: Phosphinic acid derivatives and their use as endothelin converting enzyme inhibitors
Inventor: CHUNG SHIN
IPC: C07F9/30
Filed: 1995-06-19
Granted: 2007-01-02
Abstract: Phosphinic acid derivatives of structural formula (I) or a pharmaceutically acceptable salt thereof, wherein R is H, alkyl or alkanoyloxymethylene; R1, R2, R3 and R4 are H, alkyl, alkenyl, alkenylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, hydroxyalkyl, carboxyalkyl, thioalkyl, alkoxythioalkyl, aminoalkyl, alkylaminoalkyl, cycloalkyl-substituted alkyl o r heterocycloalkyl; or R1 and R2 form a cycloalkyl ring of 3-8 members and R3 and R4 are as defined; or R3 and R4 form a cycloalkyl ring of 3-7 members an d R1 and R2 are as defined; or R1 and R2 together, and R3 and R4 together, eac h form a cycloalkyl ring; R5 is -OR9 or -NHR9, wherein R9 is hydrogen or alkyl ; n is 0 or 1; A1 is p-aminobenzoyl or p-aminobenzenesulfonyl, or A1 and R5 together form a radical of an .alpha.-aminoacyl derivative; and R6 is phenylmethoxycarbonyl, arylcarbonyl, heteroarylcarbonyl or -A2-R7, wherein A 2 is a divalent .alpha.-iminoacyl radical, and R7 is a substituent on the .alpha.-imino atom selected from H, R8OCO-, R8SO2- and R8NHCO-, wherein R8 i s aryl, arylmethyl or (C1-C8)alkyl; are disclosed for use as endothelin converting enzyme inhibitors; also disclosed are a genus of novel compounds wherein R3 and R4 form a cycloalkyl ring, and pharmaceutical compositions comprising said novel compounds.
Patent CA-2193339-C (CA)
Inventor: ULIBARRI RAMON POO
IPC: C04B7/32
Filed: 1996-12-18
Granted: 2005-03-08
Abstract: The invention consists in a method of manufacturing cements based on calcium sulfoaluminate, consisting in the format ion of a klinker through the roasting of raw materials to temperatures of more than 1200°C in such a manner that the klinker thus produced has a high content of calcium sulfoaluminate, tricalcium silicate and dicalcium silicate and, during the milling thereof or prior to the milling thereof adding to the klinker thus produced with the above recited basic components, optimal amounts of calcium oxide or hydroxide and calcium sulfate, in order to activate said klinker. Upon said milling, a temperature of about 100 to 125°C is to be observed and a time enough to convert gypsum to hemihydrate, thus making that the calcium sulfate present in the thus obtained product be in a condition to react quickly during tyre hydration of said cement; thus giving place to the formation of etringite; for which the presence of a pH above 12 is needed. Of course, it is also claimed as a novelty the activated cement, resulting from the calcination and milling methods of this invention.
Patent CA-2199297-C (CA)
Title: Ester-free synthetic lubricating oils
Inventor: ROBSON ROBERT
IPC: C10M169/04
Filed: 1996-05-22
Granted: 2006-07-25
Abstract: Synthetic lubricating oils for use in lubricating internal combustion engines, having good compatibility with elastomeric seals and good stability, but without making use of organic acid ester basestocks, comprise a synthetic basestock such as polyalphaolefin oligomers, an additive package comprising a hydrocarbyl substituted dicarboxylic acid or anhydride in which the hydrocarbyl group has a number average molecular weight (Mn) of from 700 to 5000 and a viscosity modifier.
Patent CA-2203716-C (CA)
Inventor: SMITH AARON C
IPC: A61B17/70
Filed: 1997-04-25
Granted: 2003-07-22
Abstract: An apparatus for retaining first and second vertebrae of a spinal column in a desired spatial relationship includes a longitudinal member positionable along the spinal column.  A member, such as a plate, connectable with the first vertebra has first and second fastener openings and a portion engageable with the longitudinal member.  A first fastener extendable through the first fastener opening in the member has a first end portion for attachment to the first vertebra and has a longitudinal axis.  A second fastener extendable through the second fastener opening in the member has a first end portion for attachment to the first vertebra and has a longitudinal axis.  The longitudinal axes of the first and second fasteners converge at an acute angle as viewed in a sagittal plane when the first and second fasteners connect the member with the first vertebra.  The member connectable with the first vertebra has a body portion and has a lip portion projecting from the body portion of the member.          The lip portion of the member is engageable with a surface of the first vertebra facing toward the second vertebra.
Patent CA-2206615-C (CA)
Inventor: HIDAKA SEIJI
IPC: H01P1/203
Filed: 1997-05-30
Granted: 2000-08-15
Abstract: A multi-layer thin-film electrode comprises thin conductor films and thin dielectric films each being alternately laminated on a dielectric substrate, in which an electro-magnetic field generated in the dielectric substrate and that generated in each of the thin dielectric films have substantially the same phase at a predetermined frequency. According to the multi-layer thin-film electrode of the present invention, adhesive conductor films that more readily form metallic oxide as compared with the thin conductor films are provided between the dielectric substrate and the thin conductor films adjacent thereto and between each of the thin conductor films and the thin dielectric film adjacent thereto, respectively, and an increase in the surface reactance of the thin conductor films caused by the adhesive conductor film formation is canceled by correcting the thickness of each of the thin dielectric films based on the dielectric constant of the thin dielectric film and the dielectric substrate and the thickness of at least one of the adhesive conductor film.
Patent CA-2210181-C (CA)
Inventor: SUMERAK JOSEPH EDWARD
IPC: B29C70/52
Filed: 1996-01-05
Granted: 2004-10-26
Abstract: A method for producing a pultrusion product having a variable cross section using a specially adapted temperature controllable pultrusion die (26) includes the steps of pulling reinforcing fibers (13) which have been impregnated with a heat curable thermosetting polymeric resin composition through a temperature controllable die (26), heating the temperature controllable die (26) to a temperature sufficient to effect curing of the thermosetting resin, cooling the temperature controllable die (26) to a temperature which is sufficiently low to prevent any significant curing of thermosetting resin passing through the pultrusion die (26), pulling the cured material and a predetermined length of uncured material from the die, reshaping the uncured material, and curing the reshaped material. The reshaping step can be used to provide off-sets, flanges, bosses and the like. The meth od and associated apparatus (10) of the invention provide a relatively simple and inexpensive way of producing fiber-reinforced thermose t plastics having a variable cross section.
Patent CA-2211410-C (CA)
Inventor: LEFFEW KENNETH WAYNE
IPC: C08L67/02
Filed: 1996-01-11
Granted: 2003-10-14
Abstract: Disclosed herein is a novel crystalline form of low molecular weight poly(ethylene terephthalate). This crystalline form may be produced from molten or glassy low molecular weight poly(ethylene terephthalate) material by means of rapid heat transfer to or from the material. The poly(ethylene terephthalate) composition is suitable for use as a starting material for solid-state polymerization in order to produce polymers of higher molecular weight. A higher molecular weight polymer product having a unique physical form can be produced by solid-state polymerization of the low molecular weight poly(ethylene terephthalate).
Patent CA-2216065-C (CA)
Inventor: TENG ALEX
IPC: B29C45/00
Filed: 1997-09-19
Granted: 2001-03-27
Abstract: A valve gate injection nozzle includes a valve stem for guiding molten resin to a molding area. The valve stem includes an input area for receiving the molten resin, a central area following the input area for processing the molten resin and an output area following the central area for connection of the nozzle with the molding area. The central area includes a first zone for splitting the molten resin into a plurality of streams, a second zone for mixing and homogenizing the molten resin, and a third zone for combing the plurality of streams and forming recombined molten resin for subsequent direction in a homogenized state to the output area. The nozzle further includes a nozzle body portion for enclosing the valve stem, wherein the nozzle body portion preferably includes means for heating the resin. An injection molding system incorporating this nozzle as well as a method for homogenizing molten resin are also disclosed.
Patent CA-2216792-C (CA)
Title: Carbon blacks and compositions incorporating the carbon blacks
Inventor: SANT RAVINDRA
IPC: C08K3/04
Filed: 1997-01-22
Granted: 2007-01-16
Abstract: New classes of carbon blacks which may be broadly characterized as having an Iodine adsorption number (I2No.) of 50-112 milligrams/gram (mg/g) and a primary particle size measured in accordance with the procedures in ASTM Test Procedure D3849-89 (hereinafter denoted as "primary particle size") of less than or equal to 25 nanometers (nm). Certain of the carbon blacks of the present invention may be further characterized as having a CDBP (dibutyl absorption value of the crushed carbon black) of less than or equal to 102 cubic centimeters DBP per 100 grams of carbon black (cc/100g). The present invention provides carbon blacks having I2No. of 65-95 mg/g and a primary particle size of less than or equal to 20 nm. Also disclosed and claimed are carbon blacks having an I2No. of 100-112 mg/g and a primary particle size of less than or equal to 20 nm. The present invention further provides carbon blacks having an I2No. of 65-112 mg/g; a primary particle size of less than or equal to 20 nanometers (nm); and a CDBP (dibutyl absorption value of the crushed carbon black) of less than or equal to 102 cubic centimeters DBP per 100 grams of carbon black (cc/100g). In addition, carbon blacks having an I2No. of 50-70 milligrams/gram (mg/g) and a primary particle size of less than or equal to 25 nm, are disclosed and claimed. The present invention also provides carbon blacks having an I2No. of 50-85 mg/g; a primary particle size of less than or equal to 25 nm; and a CDBP of less than or equal to 96 cc/100g. The carbon blacks are particularly well suited for use in the production of polymer compositions. Also described and claimed are polymer compositions incorporating the new carbon blacks.
Patent CA-2219579-C (CA)
Title: Positive lock gooseneck hitch
Inventor: BOL KENNETH E II
IPC: B60D1/52
Filed: 1997-10-28
Granted: 2002-03-19
Abstract: A gooseneck hitch assembly mounted in the load bed of a pick-up truck.  The hitch assembly includes a housing mounted in the bed of the truck, and a hitch ball removably mounted in the housing. The housing includes a spring biased cylindrical locking pin for positively locking together the housing and hitch ball against separation.  The cylindrical pin is manually movable to either a locking position wherein the hitch ball is locked in the housing or to an unlocked position whereby the hitch ball can be readily removed from the housing.
Patent CA-2224549-C (CA)
Inventor: SALERNO CATHERINE E
IPC: A61F13/15
Filed: 1997-12-11
Granted: 2009-02-24
Abstract: An absorbent article, such as a sanitary napkin, is disclosed which has a stabilizing element having a lateral width between about 0.5 inches to less than about 1.75 inches. The stabilizing element provides the article with enhanced resistance to bunching and inward collapse due to lateral compressive forces imparted by a user's thighs. The stabilizing element is resistant to wet collapse so that a central absorbent portion of the article maintains contact with the perineal area of the user.
Patent CA-2225764-C (CA)
Inventor: RICHTER JACOB
IPC: B23K26/10
Filed: 1997-12-23
Granted: 2007-02-06
Abstract: A stent and a method for fabricating the stent are disclosed. The stent has an originally flat pattern and connection points where the sides of the flat pattern are joined. The method includes the steps of a) cutting a stent pattern into a flat piece of metal thereby to produce a metal pattern, b) deforming the metal pattern so as to cause two opposing sides to meet, and c) joining the two opposing sides at least at one point. Substantially no portion of the stent projects into the lumen of the stent when the stent is expanded against the internal wall of a blood vessel.
Patent CA-2231638-C (CA)
Inventor: KRECKE EDMOND D
IPC: F24S90/00
Filed: 1996-09-12
Granted: 2006-04-11
Abstract: L'invention concerne une installation de production d'énergie pour bâtiments, fonctionnant au moyen d'absorbeurs solaires, d'échangeurs de chaleur et d'accumulateurs de chaleur, qui, pour permettre l'obtention d'un meilleur bilan énergétique thermique du bâtiment, présente les caractéristiques suivantes: l'absorbeur solaire est pourvu de tuyaux flexibles ou de tubes (7, 8) disposés, de façon à former des méandres, entre la couverture du toit et une couche isolante disposée sous celle-ci; l'absorbeur solaire est subdivisé entre au moins deux zones comprenant chacune son système de circulation de liquide (7, 8); sous le bâtiment, se trouve un accumulateur de chaleur à solide qui peut recevoir ou libérer de la chaleur au moyen de tuyaux flexibles ou de tubes (21, 23, 24, 26); l'accumulateur de chaleur est subdivisé en au moins deux zones, à savoir une zone centrale (21, 22) et une zone extérieure (23, 24), comprenant chacune son propre système de circulation de liquide; pendant le fonctionnement de l'accumulateur de chaleur, du liquide est amené, par l'intermédiaire de soupapes commandées thermiquement, à partir des systèmes de circulation de liquide de chaque zone (7, 8) de l'absorbeur solaire, d'abord au système de circulation de liquide (21) de la zone centrale de l'accumulateur de chaleur, puis au système de circulation de liquide (23, 24) de la zone extérieure de l'accumulateur de chaleur, lorsque la température du liquide provenant du système de circulation de la zone correspondante est supérieure d'une valeur comprise entre 2 et 8  DEG C, de préférence 2  DEG C, à la température de la zone de l'accumulateur de chaleur à solide correspondante; et pendant l'extraction de chaleur, le liquide est pompé dans un système de chauffage (17, 18) du bâtiment par des soupapes commandées thermiquement, d'abord à partir du premier système de circulation de liquide (23, 24) de la zone extérieure de l'accumulateur de chaleur, puis à partir du système de circulation de liquide (21) de la zone centrale de l'accumulateur de chaleur.
Patent CA-2235971-C (CA)
Inventor: LAUZON ROBERT
IPC: B65B43/54
Filed: 1993-10-21
Granted: 2001-05-08
Abstract: A plastic bag bundle is comprised of a plurality of juxtaposed flat plastic bags.   Each bag has a front and rear wall panel and a mouth opening for inserting one or more articles in the bag.   At least one flat article is retained captive in one of the front and rear panels.   The bundle is formed of bags having the flat article in some of the bags disposed offset from the flat articles   in others of the bags.   The bags with the offset flat articles are interposed in a predetermined sequence with the others of the bags so as to form a bundle having a generally constant thickness in the area of the juxtaposed panels.
Patent CA-2240510-C (CA)
Inventor: BERTRAND MICHEL
IPC: F16F9/34
Filed: 1996-12-09
Granted: 2005-10-25
Abstract: A shock absorber (1) having a longitudinal axis of rotation (XX') comprises a shock absorber body (2), a principal piston (4), which is supported by a piston rod (5), and a principal compression chamber (3), in which the principal piston (4) slides. The piston (4) divides the interior of the chamber (3) into a front internal portion and a rear internal portion. The sliding occurs wit the compression of the shock absorber (1) from the front to the rear internal portion. Further, the shock absorber (1) includes an elastic return device (8), a volume compensation device (9), hydraulic fluid (7), and at least one rolling channel. The rolling channel is comprised of at least one portion of the internal surface of the peripheral wall of the principal compression chamber (3) and at least one portion of the external wall of the principal piston (4).
Patent CA-2242133-C (CA)
Title: Squeeze pump having improved rollers
Inventor: IWATA NOBORU
IPC: C08K3/22
Filed: 1998-06-30
Granted: 2003-09-09
Abstract: A squeeze type pump that transfers slurry via an elastic tube by squeezing the elastic tube with pairs of rollers to elastically deform the tube while moving each pair of squeezing rollers. The squeeze type pump includes a cylindrical drum with the elastic tube being arranged along the inner surface of the drum. A drive shaft is supported at a center portion of the drum while pairs of support shafts are cantilevered by the drive shaft. Bearings rotatably support the rollers on each support shaft. The squeezing rollers are formed from a synthetic resin material. The squeezing rollers include bores for receiving the bearings, the bearings being shrink fitted into the receiving bores defined in the squeezing rollers.
Patent CA-2248093-C (CA)
Inventor: TUMMIOLO ROBERTO
IPC: C11D3/395
Filed: 1997-05-12
Granted: 2002-12-24
Abstract: Improved foam behaviour and a reduction in stickiness during manufacture is shown in lavatory blocks which comprise 2-15 wt.% of oily liquid perfume, 2-30 wt.% of halogen bleaching agent, 3-15 wt.% of primary alkyl sulphate, and, 15-50 wt.% of alkyl benzene sulphonate.
Patent CA-2250970-C (CA)
Title: Cyclosporin emulsions
Inventor: PARIKH INDU
IPC: A61K31/00
Filed: 1997-03-26
Granted: 2012-10-16
Abstract: This invention comprises pharmaceutical compositions consisting essentially of an oil-in-water emulsion containing a synthetic medium chain triglyceride in which is dissolved a therapeutically effective amount of a cyclosporin, phospholipid and optionally free fatty acid or a salt thereof, non-ionic surfactant, ionic surfactant, glycerol, salts, buffers, preservative, osmotic modifier and antioxidant.
Patent CA-2252616-C (CA)
Inventor: WALSER-VOLKEN PAULA
IPC: C12N9/80
Filed: 1997-04-14
Granted: 2008-10-28
Abstract: L'invention appartient au domaine de la biotechnologie et elle concerne un biocatalyseur, c'est à dire un micro-organisme mort ou vivant, ou un polypeptide, de préférence sous forme isolée, qui démontre une activité enzymatique acylase, sans activité lipase ou estérase. Ce biocatalyseur peut hydrolyser de manière stéréosélective un acylamide racémique, lequel possède un reste acyle aliphatique et n'est pas un dérivé d'un acide aminé naturel.
Patent CA-2259170-C (CA)
Inventor: KELKAR CHANDRASHEKHAR P
IPC: C01F7/78
Filed: 1998-01-27
Granted: 2005-06-21
Abstract: L'invention porte sur un procédé en une étape de synthétisation d'un matériau du type hydrotalcite à anion synthétique intercalé. Ledit procédé consiste à faire réagir une source d'aluminium avec une source de magnésium en présence d'un acide inorganique de l'anion à intercaler et en l'absence d'une source de métal du groupe IA. La boue résultante une fois séchée donne le produit final.
Patent CA-2259870-C (CA)
Inventor: MULLER MARC
IPC: H04Q9/00
Filed: 1999-01-20
Granted: 2007-03-27
Abstract: Information communication process in a system having several emitters (10) each capable of emitting a radiofrequency signal and a receptor (14) located at a distance from the emitters (10) for the reception and treatment of the signals emitted by the emitters (10), the information to be transmitted being divided into symbols of N bits, characterised in that it consists .alpha.: - in attributing a numerical value to each symbol (23), - compressing the data according to CHIP coding in which the values of the symbols are transposed into base B into a coded value presenting x numbers, each number then being represented in the form of n chips, the base B, the number n chips and the number × of numbers of coded value respecting the conditions: B<=2" and 2N <= B x so that the total number of chips x.n representing the coded value is less than 2.N.
Patent CA-2274485-C (CA)
Title: Compositions medicinales
Inventor: HATA TAKEHISA
IPC: A61K9/10
Filed: 1997-12-05
Granted: 2008-02-05
Abstract: Cette composition médicinale, qui comporte un médicament modérément hydrosoluble, un agent tensio-actif ainsi qu'une base solide, se dissout parfaitement et s'administre remarquablement bien par voie buccale.