baber/WOPTO huggingface dataset:
Patent CA-2194227-A1 (CA)
Inventor: HINTZ MICHAEL B
IPC: G11B7/24
Filed: 1995-06-05
Abstract: A dual layer pre-recorded optical disc (12) includes a transparent substrate (14), a partially reflective layer (16), a transparent spacer layer (18), and a highly reflective layer (20). One pattern of data pits (15) is provided on the substrate, adjacent the partially reflective layer, and another pattern of data pits (19) is provided on the spacer layer, adjacent the highly reflective layer. The partially reflective layer may be made of silicon carbide. A  substrate-incident beam can be used to read data encoded in either data pit pattern depending on which layer the laser (30) is focused upon. The dual layer disc has twice the data storage capacity of conventional single layer discs.
Patent CA-2198360-A1 (CA)
Title: Process for the packaged polymerization of olefinic monomers
Inventor: DAVIDSON ROBERT S
IPC: C08G61/08
Filed: 1995-09-08
Abstract: A process that involves the packaged polymerization of olefinic monomer(s) and catalyst systems comprising a transition metal species that mediates the polymerization of the monomer(s) is disclosed. This process provides a way to use the resultant polymer without extensive further processing.
Patent CA-2199190-A1 (CA)
Inventor: HARTIG KLAUS W
IPC: E06B3/663
Filed: 1997-03-05
Abstract: A sputter-coated layer system on a glass substrate particularly useful in insulating glass (IG) units, enables normal  emissivity  values  (En)  of  0.06  or  less,  good durability and neutral color.  The layer system includes an undercoat of a transparent dielectric having an index of refraction  between  2.5-2.6  at  a  wavelength  of  550 nanometers, two layers of Si3 N4, and two layers of nichrome sandwiching a layer of silver to achieve its unique low-E, neutral color, non-mirrorlike solar management properties.          An optional overcoat of a transparent dielectric material having an index of refraction of 2 at a wavelength of 550 nanometers may be provided.
Patent CA-2200034-A1 (CA)
Inventor: LEIDL JACOB JOHN
IPC: F17C13/04
Filed: 1997-03-14
Abstract: A dual tank storage system for fuel having gaseous and liquid phases where one tank is a main storage tank and the other  is  an expansion tank.   The  system has  a valve assembly on the exterior of the system for permitting fuel to flow from the main storage tank to the expansion tank in order to relieve pressure in the main storage tank.  The valve assembly permits only the main storage tank to be filled.  The fact that fuel can flow from the main storage compartment  to  the  expansion  compartment  to  relieve pressure from the main storage compartment allows the main storage tank to be filled to 100% capacity.   The valve assembly includes a valve chamber and a valve plunger movable in the chamber between a normal operating position and a tank filling position.   A coil spring biases the plunger towards the normal operating position. A filling port for fuel leads to the valve chamber which opens into a port of the storage tank.  Fuel is drawn only from the expansion tank.  The system may include a back pressure relief valve which allows fuel that is trapped in the lines and fittings between the tank shut off valve and the fuel lock-off to flow back into the tank when a maximum pressure is reached in the line between the tank shut-off valve and the fuel lock-off.
Patent CA-2200740-A1 (CA)
Title: Surface cutting method and apparatus for hot-rolled steel products
Inventor: KATSURA SHIGEFUMI
IPC: B23Q11/10
Filed: 1996-07-23
Abstract: In the present invention, in cutting the top and bottom surfaces of a hot-rolled sheet by the rotation of milling cutters holding the sheet therebetween in the thickness direction of the sheet in the running process of the hot-rolled sheet, the cutting resistance determined by the cutting conditions including the type of hot-rolled sheet, the temperature in cutting, and the cut depth is controlled by the adjustment of cut depth, and cutting is performed by making the tension produced on the hot-rolled sheet by the cutting resistance lower than the breaking strength of the joint portion to prevent the breakage of hot-rolled sheet.
Patent CA-2201726-A1 (CA)
Title: Non-linear styrenic polymer compositions and articles prepared therefrom
Inventor: SLEECKX JOZEF JULIUS
IPC: C08F12/02
Filed: 1995-10-11
Abstract: Monovinyl aromatic polymer compositions with high melt strength, good flow and good heat properties which are suitable for fast injection molding, blow molding and thermoforming applications, comprising non-linear monovinyl aromatic polymers and copolymers having comb-type structures with 3 branches, star type structures with 4 to 6 branches, and/or dendritic structures in which the branches themselves have attached branched units. These compositions possess inherent melt strength and can be blow molded or thermoformed without sagging or molded into articles in shorter cycle times using less material than linear monovinyl aromatic polymers and copolymers with the same flow and heat distortion temperatures. Also dislosed is a process for making high molecular weight branched monovinyl aromatic polymers, for example, Mw between 75,000 and 500,000, at high rates, comprising polymerizing pure styrene monomer or styrene monomer and polymerizable comonomer via a continuous free radial polymerization process using a peroxide initiator, for example, n-butyl tert-butyl peroxy fumarate, selected from a new class of vinyl peroxide initiators that contain both a copolymerizable double bond and an organic peroxide moiety.
Patent CA-2201856-A1 (CA)
Title: Method for oxidation of organic waste liquors
Inventor: MYREEN BERTEL
IPC: B01D1/14
Filed: 1995-10-03
Abstract: A method for essentially complete oxidation of concentrated liquors containing oxidable organic matter is disclosed. The following steps are performed under substantial superatmospheric pressure in the method:  a feed of the concentrated liquor (8) is brought into direct contact (7) with a hot gas (5) for heating and evaporation of said liquor to produce a final concentrate (11) suitable for oxidation and at a temperature close to its boiling point, and to quench the hot gas to a temperature not more than 100 °C above the final conconcentrate boiling point at the prevailing superatmospheric pressure, the final concentrate (11) is oxidised (1) essentially completely at a temperature of at least 800 °C with a gas (13) containing at least 60 per cent by volume of oxygen resulting in a suspension of hot gas (5) and molten slag (6), and the molten slag is separated (6) from the hot gas and dissolved in water (15).
Patent CA-2203477-A1 (CA)
Inventor: TOMLINSON JOHN D
IPC: A47G9/10
Filed: 1997-04-23
Abstract: The article includes first and second fabric sections which are sewn together around their peripheries, with sections of cording in between. Four successive separate sections of cording extend cumulatively around the periphery of the tick, between the two fabric sections, extending somewhat outward from the periphery of the tick. The cording is covered with a bias tape material which is sewn between the first and second fabric sections, providing a stable physical relationship between the first and second fabric sections and the covered cording.
Patent CA-2203570-A1 (CA)
Title: Thiepane compounds inhibiting and detecting hiv protease
Inventor: KRAWCZYK STEVEN H
IPC: A61P31/18
Filed: 1995-11-03
Abstract: Tri- and tetra substituted thiepane compositions having use as immunogens, therapeutics, diagnostics and for other industrial purposes are disclosed. The compositions inhibit proteolytic activity of viral enzymes and are useful for the inhibition of such enzymes as well as in assays for the detection of such enzymes. Embodiments in which antigenic polypeptides are bonded to the compositons are useful in raising antibodies against the thiepane haptens or the polypeptide. Labeled thiepanes of this invention are useful as diagnostic reagents.
Patent CA-2204633-A1 (CA)
Inventor: BENTLEY THOMAS RICHARD
IPC: C11D1/12
Filed: 1995-11-13
Abstract: Dans un procédé de recyclage de produits à base de fibres, on emploie un milieu aqueux de désencrage contenant une quantité efficace d'un produit chimique collecteur, lequel comprend un agent tensioactif qui est ou peut être dérivé de la lanoline. On préfère des dérivés alcoxylés de lanoline.
Patent CA-2204878-A1 (CA)
Inventor: SATTERFIELD RICHARD C
IPC: G09C1/00
Filed: 1995-09-29
Abstract: La présente invention concerne un équipement de cryptage et de décryptage qui fournit au moins deux masques (48, 54) dont chacun est utilisé dans le fonctionnement logique et mathématique, avec des informations qu'il faut crypter pour préserver leur caractère confidentiel. Les opérations comprennent l'exécution exclusive de l'opération OU (114), l'addition (110), la soustraction (112). L'origine des masques peut être constituée par n'importe quelles données courantes, par exemple le code d'un disque compact musical. De cette façon, l'expéditeur peut dire au destinataire, en privé, que les masques proviennent d'une piste particulière sur un disque compact particulier, échantillonnée d'une certaine façon en utilisant un certain mot de passe (23). Il n'est pas nécessaire que le produit du nombre d'éléments dans chaque masque soit supérieur ou égal au nombre d'éléments dans le fichier de données que l'on crypte. La répétition peut rendre le décodage plus facile pour un indiscret, mais l'emploi d'un ensemble de caractères (126) pour le mot de passe, afin de contrôler l'utilisation et le séquencement de chaque ensemble de réceptions de masques de codage, aide beaucoup à préserver le caractère confidentiel des données. La présente invention inclut l'emploi en tant que bloc servant une seule fois et elle peut être appliquée aux ordinateurs individuels.
Patent CA-2207236-A1 (CA)
Title: Liquid ejection method, head and apparatus
Inventor: KASHINO TOSHIO
IPC: B41J2/14
Filed: 1997-06-06
Abstract: A liquid ejection method includes preparing a head comprising an ejection outlet for ejecting the liquid, a bubble generation region for generating the bubble in the liquid, a movable member disposed faced to the bubble generation region and displaceable between a first position and a second position further from the bubble generation region than the first position; displacing the movable member from the first position to the second position by pressure produced by the generation of the bubble in the bubble generating portion to permit expansion of the bubble more in a downstream side closer to the ejection outlet than in an upstream side; supplying, to a heat generating element for applying thermal energy to the bubble generating region, a driving pulse divided into a first pulse and an adjacent second pulse with interval time therebetween; pre-heating the liquid by the first pulse to an extent not enough to eject the liquid through the ejection outlet; generating a bubble by heating the liquid by the second pulse to eject the liquid through the ejection outlet; controlling a degree of pre-heating of the liquid by changing at least one of a pulse width of the first pulse or the interval time.
Patent CA-2209374-A1 (CA)
Title: Knee brace having an inflatable pad circumscribing the patella
Inventor: WILSON FRANKLIN D
IPC: A61F5/01
Filed: 1996-02-14
Abstract: A knee brace is provided that is mountable over the knee joint of a user. The brace has a compliant sleeve and a compliant cover overlying an anterior portion of the sleeve. The sleeve and cover preferably have corresponding anterior openings aligned to receive the patella when the brace is mounted over the knee joint. The sleeve and cover are joined around the perimeter of the cover to form a pocket therebetween enclosing an inflatable pad having a medial chamber and a lateral chamber in fluid isolation from each other. The chambers are provided with associated pumps and valves, rendering them selectively inflatable or deflatable. In operation, the brace is positioned over the knee joint such that the pad circumscribes a portion of the patella and one or both of the chambers are inflated as desired to stabilize the patella.
Patent CA-2209584-A1 (CA)
Inventor: TOTH JOSEPH
IPC: B60R9/042
Filed: 1997-07-02
Abstract: A vehicle roof rack includes a support beam attachable to a vehicle roof; a housing member slidable axially along the support beam between a retracted position and an extended position; an arm pivotally connected at one end to the housing member supported by and slidable along the support beam as the housing member is moved between the retracted position  and  a  pre-determined  position  adjacent  the extended position, wherein the arm is free to pivot between upper and lower positions when the housing member is in its pre-determined position.  A platform is pivotally connected to the other end of the arm and a retaining device is provided  for  retaining  the  platform  in  a  generally horizontal position as the arm is moved between the upper and lower positions.
Patent CA-2211890-A1 (CA)
Inventor: HALCZENKO WASYL
IPC: C07D209/34
Filed: 1996-02-16
Abstract: Fibrinogen receptor antagonists having formula (I), for example (II).
Patent CA-2212242-A1 (CA)
Title: Stable arylpyrrole particles, process for their preparation and suspension concentrate compositions comprising them
Inventor: BRUNT STEVEN
IPC: A01P7/04
Filed: 1997-07-31
Abstract: The present invention relates to arylpyrrole particles which are prepared by a process in which the particles are aged and milled, and pesticidal suspension concentrate compositions comprising them. The size of the particles of this invention remains surprisingly stable during storage.
Patent CA-2213178-A1 (CA)
Inventor: MADSEN ANNETTE
IPC: C12N9/22
Filed: 1996-02-19
Abstract: Un certain nombre de systèmes de restriction-modification (R-M) du type II ont été obtenus à partir de plasmides trouvés dans des souches de Lactococcus lactis provenant des cultures d'ensemencement danoises TK5. On revendique les systèmes de R-M LlaAI, LlaBI, LlaDH avec leurs séquences de nucléotides contenant des cadres de lecture ouverts codant pour des endonucléases de restriction et pour les méthylases correspondantes. Egalement, on revendique une cassette d'ADN comprenant un ou plusieurs systèmes R-M et des fragments de ceux-ci combinés à de l'ADN codant pour d'autres mécanismes de résistance aux phages, ainsi que des vecteurs de clonage et d'expression contenant de l'ADN choisi dans le groupe constitué par des systèmes de R-M, leurs fragments et la cassette d'ADN, des cellules transformées avec des vecteurs d'expression, un procédé pour conférer à une cellule une résistance accrue aux virus, ainsi que des endonucléases de restriction et les méthylases individuelles de systèmes de R-M.
Patent CA-2216316-A1 (CA)
Title: An improved laundry detergent composition comprising amylase
Inventor: POWER SCOTT D
IPC: C12R1/19
Filed: 1996-03-22
Abstract: Laundry detergents comprising novel alpha-amylase mutants derived from the DNA sequences of naturally occuring or recombinant alpha-amylases are disclosed. The mutant alpha-amylases, in general, are obtained by in vitro modifications of a precursor DNA sequence encoding the naturally occuring or recombinant alpha-amylase to generate the substitution (replacement) or deletion of one or more oxidizable amino acid residues in the amino acid sequence of a precursor alpha-amylase. Such laundry detergents containing mutant alpha-amylases have increased cleaning ability stability and/or altered pH performance profiles and/or altered thermal stability as compared to the precursor.
Patent CA-2217245-A1 (CA)
Title: Spring applied parking brake actuator having a collet style slack adjuster
Inventor: MOORE ROLAND S
IPC: F16D65/28
Filed: 1997-10-02
Abstract: A brake actuator  for use on passenger transit railway vehicles.  The actuator includes a housing containing a service piston and a parking brake piston.   The service piston is connected to an inner hollow stem having a forward conical surface  disposed to  engage  a  conical  surface  of  a  collet provided on a threaded rod located within the stem.  The parking brake piston has a hollow outer sleeve surrounding the hollow stem, while a coil spring is located about the outer sleeve for applying a braking force when fluid pressure is removed from a housing containing the parking brake piston.  The spring expands against a locking ring located on a forward sleeve secured to an intermediate sleeve that engages the hollow stem.  This causes forward movement of the outer sleeve and forward movement of the conical portion of the hollow stem into engagement with the conical portion of the conical surface of the collet.  This, in turn, moves the threaded rod to engage brake applying components of a transit vehicle.
Patent CA-2218498-A1 (CA)
Title: Bulk product stabilizing belt conveyor
Inventor: HAIMBERGER HANS
IPC: B65G47/14
Filed: 1996-03-22
Abstract: A bulk product stabilization conveyor (10) is described having a continuouslength wide belt (30) extending in an upper flight (44) and in a lower flight (46) between an infeed end (32) and an outfeed end (34). The outfeed end (34) is elevationally below the infeed end (32) and the distance between the infeed end (32) and outfeed end (34) is such that the upper flight (44) is slack with the upper flight forming a dynamic catenary profile as it is being driven at a high velocity in excess of 400 feet per minute and preferably between 400-800 feet per minute. The upper flight (44) has an inclined downward and forward section (52) adjacent the infeed end that has an inclination of between 30 and 45 degrees to initially receive a wide swath of articles from an article feeder (14). The upper flight (44) has an intermediate section (54) with a progressively decreasing radius of curvatures to progressively apply an increasing centrifugal force on the articles to stabilize the articles on the high velocity upper flight. The upper flight (44) has an inclined upward section (56) adjacent the outfeed end (34) to propel the articles from the outfeed end to an optical inspection station (36) with an upward and forward trajectory (68).
Patent CA-2222404-A1 (CA)
Inventor: NAVARRE FRANCOIS-PIERRE
IPC: D21H17/00
Filed: 1997-12-11
Abstract: Filled paper for filtration of liquids is based on cellulosic fibres together with a pulverulent organic material (I) of which 95 % of the particles have a size of 1-150 microns, in an amount of 5-75 wt. % of the total weight of the paper including the (I).
Patent CA-2222705-A1 (CA)
Title: Apparatus and method of controlling transmitting power and transmit rate of a wireless telecommunications system
Inventor: LYSEJKO MARTIN
IPC: H04B1/707
Filed: 1996-06-03
Abstract: A wireless telecommunications system (1) includes a central terminal (10) for transmitting and receiving radio frequency signals to and from a subscriber terminal (20). The wireless telecommunications system (1) operates in one of three operating modes. In an acquisition mode during establishment of the downlink communication path, the downlink signal (212) is transmitted at a high power level and a low transmit rate with the receiver (202) operating at the low transmit rate. In a standby mode after establishment of the downlink communication path, the downlink signal (212) is transmitted at a low power level and a low transmit rate with the receiver (202) operating at the low transmit rate. In a traffic mode upon a request for wireless communication transmission, the downlink signal (212) is transmitted at a high power level and a high transmit rate with the receiver (202) adjusting to operate at the high transmit rate. Upon completion of the wireless communication transmission, the wireless telecommunications system (1) returns to the standby mode and the receiver (202) adjusts to operate at the low transmit rate.
Patent CA-2226891-A1 (CA)
Title: Herbicidal sulphonylamino(thio)carbonyl triazolin(thi)ones with heterocyclyl(alk)oxy substituents
Inventor: JANSEN JOHANNES RUDOLF
IPC: C07D405/12
Filed: 1996-07-04
Abstract: The novel compound of the title of formula (I), in which Q1 is oxygen or sulphur, Q2 is oxygen or sulphur; R1 is hydrogen, hydroxy, amino, alkylidene amino or a possible substituted radical from the series alkyl, alkenyl, alkinyl, alkoxy, alkenyloxy, alkylamino, dialkylamino, alkanoylamino, cycloalkyl, cycloalkyl alkyl, cycloalkylamino, aryl, arylalkyl; R2 is possibly substituted heterocyclyl or heterocyclylalkyl; and R3 is a possibly substituted radical from the series alkyl, aralkyl, aryl, heteroaryl; and salts of compounds of formula (I), process and novel intermediate products for their production and their use as herbicides.
Patent CA-2233225-A1 (CA)
Title: Selective deposition modeling method and apparatus for forming three-dimensional objects and supports
Inventor: BEDAL BRYAN J L
IPC: B29C67/00
Filed: 1996-09-27
Abstract: Methods of manipulating data in a thermal stereolithography apparatus, characterized in that the data represents a plurality of start/stop transitions to facilitate the computation of Boolean operations.
Patent CA-2234068-A1 (CA)
Title: Bacterial sucrose synthase compositions and methods of use
Inventor: BUIKEMA WILLIAM J
IPC: C12N15/82
Filed: 1997-07-21
Abstract: The present invention provides isolated and purified polynucleotides that encode bacterial polypeptides that participate in the utilization of sucrose.  Isolated bacterial sucrose synthase compositions and methods of use are provided. Processes for altering sucrose synthase activity, altering the starch and/or sucrose content of bacterial and/or plant cells, methods of identifying sucrose synthase-encoding nucleic acid segments, and compositions comprising sucrose synthase peptides and antibodies are also disclosed.
Patent CA-2236655-A1 (CA)
Inventor: YOU CHIN-SAN
IPC: A63B102/06
Filed: 1998-05-01
Abstract: A game racket consists of a head frame, a shaft fastened with the head frame, and a hand grip fastened with the shaft. The shaft is composed of a main body formed of a thermosetting or thermoplastic resin and a plurality of first fiber braids. The main body is reinforced by a plurality of second fiber braids which are tougher than the first fiber braids and are wound around the main body in such a manner that the second fiber braids are separated from one another by a predetermined distance, and that the second fiber braids are parallel to the longitudinal axis of the main body.
Patent CA-2239687-A1 (CA)
Inventor: RAY JAMES E
IPC: A01G5/04
Filed: 1998-06-05
Abstract: A floral display holder to be used on a funeral casket has a hollow body with an inclining recess for receiving water-absorbing foams, and a manual pump to draw water from a lower portion defining a liquid reservoir. The floral display holder has U-shaped clips to secure the foams generally against an inclined floor surface of the recess.  The water drawn with the pump is directed onto the foam, thereby replenishing the foam with additional water.
Patent CA-2242108-A1 (CA)
Inventor: HAMELL ROBERT S
IPC: F16K37/00
Filed: 1998-06-29
Abstract: The present invention is directed to a valve position indicator for indicating an open or closed position of a valve having a valve stem, the valve position indicator comprising a body adapted to be mounted to a subsea xmas tree structure, a traveling block movably connected to the body by at least one guide bolt, the traveling block including a threaded hole for engaging a threaded extension shaft which is coupled to the valve stem, a rigid tube connected to the body and having first and second open ends, and a coiled spring member having one end connected to the traveling block and the other end extending through the first end of the rigid tube, wherein the extension of the spring member beyond the second end by a predetermined amount provides a visual indication that the valve is in its open or closed position, whereby movement of the traveling block in response to actuation of the valve will push or pull the spring member through the tube to provide the desired visual indication.