baber/WOPTO huggingface dataset:
Patent CA-2185372-A1 (CA)
Inventor: CALDERBANK ARTHUR ROBERT
IPC: H03M5/14
Filed: 1996-09-12
Abstract: Method and apparatus for encoding digital information to be recorded on a magnetic medium is disclosed.  The invention provides for receiving a sequence of (2mn + d) user bits, mapping the sequence of user bits to 2m dc-free codewords, and recording the 2m dc-free codewords on a magnetic medium.  A modulation coder, which includes a memory containing multiple non-intersecting subconstellations of dc-free codewords, performs the mapping in a non-equiprobable manner such that a particular codeword from a larger subconstellation is more likely to be used than a particular codeword from a smaller constellation.  Less desirable codewords, such as those containing relatively long strings of bits having the same value, are assigned to the smaller subconstellations, thereby lessening the likelihood of loss of timing and gain parameters in the system, as well as maximizing the transmission rate and efficient use of the set of possible dc-free sequences of a given length.
Patent CA-2185447-A1 (CA)
Title: Treated tissue for implantation and preparation methods
Inventor: GOLDSTEIN STEVEN
IPC: C12N5/07
Filed: 1995-02-27
Abstract: This disclosure includes a method generating a functional hybrid bioprosthesis. Tissue formed naturally of interstitial collagens is treated to kill native cells and remove potentially immunologically active soluble molecules. Then it may be treated sequentially with extracellular matrix adhesion factor, extracellular matrix glycosaminoglycan, and growth factor appropriate to the cell type required to function within the matrix, and incubating the transplant tissue matrix with cells that are either allogeneic or autologous for the recipient thereby imparting to the matrix the characteristics of the cell type and tissue selected. Tissues with a variety of functional bioactivities can thus be formed in vivo prior to graft transplantation or implantation which will exhibit reduced or no stimulation of an immunological response in the recipient.
Patent CA-2185523-A1 (CA)
Title: Blind spot detector
Inventor: PRIOR JOHN LEONARD
IPC: B60Q1/50
Filed: 1995-03-14
Abstract: A device for detecting the presence of an object in the blind spot of a vehicle comprises a passive infrared sensor mountable on the vehicle so as to have its field of view directed toward the blind spot. The infrared sensor generates a signal in response to a heat-emitting object moving about its field of view. A bandpass filter passes signals having a frequency within a predetermined band characteristic of moving vehicles. An indicator indicates the presence of an object upon detection of a signal in the predetermined band.
Patent CA-2185694-A1 (CA)
Title: Outside rear-view mirror for vehicle
Inventor: LI SHIQING
IPC: B60R1/08
Filed: 1995-03-21
Abstract: A rear-view mirror for vehicle is disclosed. The convex of the mirror is composed of differential surfaces that are smoothly and joined with each other with continuously varying average curvature. The average curvature increase gradually along the longitudinal direction from top to bottom of the mirror and along the horizontal direction away from the body of the vehicle. Furthermore, the mirror in accordance with the present invention provides a wider viewing around both sides and in rear of the vehicle without blind spots and a clear image with little distortion that is visually acceptable to a driver.
Patent CA-2186565-A1 (CA)
Title: Method for transiently wetting lens molds in production of contact lens blanks to reduce lens hole defects
Inventor: WIDMAN MICHAEL
IPC: B29C33/60
Filed: 1996-09-26
Abstract: Hydrophilic contact lens molds are transiently modified to provide a water dynamic contact angle equal to or less than 100° by treatment with a wetting agent which may be water or a surfactant composition which provides a mold surface having a water wetting force of at least 70 mg to afford a reduction in lens hole defects in hydrophilic contact lens manufacture.
Patent CA-2195740-A1 (CA)
Title: Recordable voice/sound ringer for telephone
Inventor: SREMAC STEVE
IPC: H04M1/247
Filed: 1995-07-19
Abstract: This invention relates to telephone ringers. A unique recordable voice/sound ringer (16) rings whenever there is a phone call. There are several modes of operation: voice/sound ringer (16) instead of a regular ringer (17), alternating regular ringer (17) and voice/sound ringer (16), voice/sound (16) rings in between the regular rings of a phone (15), voice/sound ringer (16) at the same time as a regular ringer (17), continuous voice/sound ringer, and other modes. This device can be used in addition to a phone, or as to an integral part of a phone.
Patent CA-2199577-A1 (CA)
Title: Grilled flavour composition and process to produce
Inventor: FREEL BARRY A
IPC: A23L27/20
Filed: 1997-03-10
Abstract: This invention is directed to the production of flavouring compositions obtained by heating a spray or atomized droplets of a saturated or partially saturated vegetable oil to a temperature of at least 480°C in an oxygen starved atmosphere in a fast pyrolysis reactor within 1.0 second. The process is further characterized in that the vegetable oil and the pyrolysis products produced from the vegetable oil are maintained at over 480°C for a period of time less than one second, and rapidly quenched, within 0.1 second, and the resulting liquid extract is separated and collected. The flavour compositions of this invention are further characterized in that they comprise a unique composition of flavour notes, and exhibit a full rich flavour complement.  These flavour compositions are suitable for use as a food additive in order to enhance or provide food flavouring.
Patent CA-2204142-A1 (CA)
Title: Breath-freshening edible compositions comprising menthol and an n-substituted-p-menthane carboxamide and methods for preparing same
Inventor: LUO SHIUH JOHNSON
IPC: A23G4/06
Filed: 1995-11-09
Abstract: The present invention is directed at chewing gum compositions having long-lasting breath freshening perception without bitterness comprising (a) a gum base; (b) a bulking agent; and (c) a cooling composition; wherein the cooling composition comprises menthol and an N-substituted-p-menthane carboxamide, wherein the carboxamide may be represented by formula (1), wherein R1 and R2 may be independently selected from the group consisting of hydrogen and an alkyl group containing from 1 to 25 carbon atoms, with the proviso that when R1 is hydrogen, R2 may be an aryl group containing from 6 to carbon atoms and, R1 and R2 when taken together, may be a cyclic or heterocyclic group containing up to 25 carbon atoms; and wherein the N-substituted-p-menthane carboxamide is present in the cooling composition in an amount from about 0.001% to about 6%, and menthol is present in the cooling composition in an amount from about 94% to about 99.999%, and whereby the amount of menthol related to the chewing gum composition is 0.7% to 2% by weight. The present invention is also directed at confectionery compositions containing the novel cooling composition and methods for preparing the novel chewing gum and confectionery compositions.
Patent CA-2205225-A1 (CA)
Title: Melt restricted marshmallow
Inventor: O'DONNELL LISA THURMAN
IPC: A23G3/36
Filed: 1995-11-13
Abstract: The present invention is directed to a marshmallow product having melt resistant properties when heated. The marshmallow confection contains corn syrup, sugar, dextrose, water, starch, gelatin, microcrystalline cellulose and a phosphate salt. The marshmallow confection product has a predetermined ratio of corn starch to microcrystalline cellulose to provide the melt resistant properties of the marshmallow confection.
Patent CA-2206032-A1 (CA)
Title: Method and apparatus for adsorptive cleaning of substances
Inventor: B RNER GUNTER
IPC: C11B3/10
Filed: 1997-05-23
Abstract: In a method and apparatus for adsorptive cleaning of vegetable and/or mineral oils and fats operating by a multi-stage countercurrent process, in which uncleaned oil is fed to a first stage, where it is put into contact and pre-cleaned with an already used and partly loaded adsorptive agent, fed to a first separating stage, put into contact with fresh adsorptive agent at a second stage, and then fed to a second separating stage and in which the constituents removed from the oil at the second separating stage are re-utilised at the first step in the process, as an already used, partly loaded adsorptive agent, these constituents are obtained and/or prepared as a pumpable sludge and passed to the uncleaned oil in the first stage with air excluded.
Patent CA-2209921-A1 (CA)
Title: Prevention of groove tip deformation in brightness enhancement film
Inventor: WILLIAMS TODD R
IPC: B29L11/00
Filed: 1995-12-18
Abstract: A method of producing a microstructure bearing article (11) that includes the steps of molding the microstructure (22, 24, 26, 28) on the base (34), curing the resin that forms the microstructure, and heat treating the microstructure. The heat treating is performed at a temperataure that is at least equal to a normal glass transition temperature of the resin. The heat treating raises the glass transition temperature of the resulting polymer above approximately 333 ° K such that groove tip impression is reduced. Such articles are useful in backlit displays (10) which are useful in computers and the like.
Patent CA-2209968-A1 (CA)
Inventor: WENDLINGER LAURENT
IPC: C07C17/20
Filed: 1997-07-15
Abstract: L'invention a pour objet la fabrication du 1,1, 1-trifluoroéthane par fluoration du 1-chloro-1, 1-difluoroéthane avec de l'acide fluorhydrique anhydre. La réaction est réalisée en phase liquide et en présence d'un catalyseur de fluoration. Le 1,1,1-trifluoroéthane est principalement destiné en mélange avec d'autres HFC, à remplacer le F22 (chlorodifluorométhane) et le F502 (mélange azéotropique de F22 et de chloropentafluoroéthane) dans le domaine de la réfrigération, de l'air conditionné et autres applications.
Patent CA-2211491-A1 (CA)
Title: Self-regulating system of high speed ground transportation based on permanent magnets
Inventor: TOZONI OLEG V
IPC: B60L13/10
Filed: 1997-07-25
Abstract: The proposed Self-Regulating System of High Speed Ground Transportation Based on Permanent Magnets designated for magnetic levitation, stabilization, and propulsion of vehicles moving with high speed without friction. The proposed system comprises two functionally connected and interacting with each other subsystems: (a) a Magneto-Dynamic Levitation and Stabilizing Self-Regulating System (MDLSS), and (b) a Permanent Magnet Linear Synchronous Motor (PMLSM). Both systems comprise permanent magnets and steel cores. MDLSS provides levitation and stabilization of a vehicle suspended in magnetic field produced by its own permanent magnets while PMLSM produces propulsion force providing the assigned alternative velocity of the vehicle along the designated trajectory of the guideway by interaction of the magnetic field of the vehicle magnets with the current traveling wave in the stator winding powered by the current of constant frequency. Each of said subsystems comprises two main parts: a fixed guideway/stator (which is common for both subsystems) including extended steel cores of MDLSS and extended three-phase windings of PMLSM, and moving together with the vehicle permanent magnets of the levitator of MDLSS and permanent magnets with steel cores of the rotor of PMLSM. Each of the subsystems is self-regulating and operates without fast response control system.
Patent CA-2211524-A1 (CA)
Title: Connections between a toll network and multiple local networks
Inventor: BHAGAT PROMOD KUMAR
IPC: H04M3/42
Filed: 1994-12-08
Abstract: The present invention relates to a method of routing a call from an exchange carrier (IXC) to one of a plurality of local exchange carriers. In accordance with the present invention a called party of the call is identified by an office code that is shared by subscribers of the plurality of local exchange carriers. The method is comprised of the steps of accessing a data base to determine an identity of a preferred terminating local exchange carrier for the called party of the call and routing the call to an IXC egress switch serving the preferred carrier for the code.
Patent CA-2213451-A1 (CA)
Title: Generation of human cytotoxic t-cells specific for carcinoma self-associated antigens and uses thereof
Inventor: PANICALI DENNIS
IPC: C12N5/10
Filed: 1996-02-13
Abstract: We have discovered that by using a recombinant DNA viral vector, preferably a pox virus vector having at least one insertion site containing a DNA segment encoding the carcinoma self-associated antigen, or a cytotoxic T-cell eliciting epitope thereof, operablylinked to a promoter capable of expression in the host, human cytotoxic T-cells specific for the carcinoma selfassociated antigens can be produced. The method preferably comprises introducing a sufficient amount of the recombinant pox virus vector into a host to stimulate production of cytotoxic T-cells, and contacting the host with additional antigen at periodic intervals thereafter. The additional antigen may be added by using a second pox virus vector from a different pox genus. In another embodiment, additional antigen is added by contacting the host with antigen. The antigen may be formulated with an adjuvant or in a liposomal formulation. The T-cells can be isolated. The number of T-cells can be expanded by contacting the isolated cytotoxic T-cells alternately with the carcinoma self-associated antigen or an epitope thereof and IL-2. The isolated T-cells can be used in a method for treating a host having a tumor expressing a carcinoma self-associated antigen comprising introducing cytotoxic T-cells specific for the antigen to the host and at at least one periodic interval thereafter introducing to the host a T-cell eliciting epitope of the carcinoma self-associated antigen.
Patent CA-2213457-A1 (CA)
Title: Aircraft hydraulic pump control system
Inventor: NOZARI FARHAD
IPC: F04B1/32
Filed: 1996-03-13
Abstract: A control system for an aircraft's electrically driven hydraulic pump. An electronic motor controller having closed loop feedback is utilized to directly control the prime mover speed in response to pump loading.
Patent CA-2214604-A1 (CA)
Title: Single-piece piston for use in a pneumatically-activated pump
Inventor: WECH MICHAEL
IPC: F16N13/04
Filed: 1997-08-29
Abstract: A single-piece piston used in a pneumatically-activated pump for metering predetermined amounts of liquids. The piston includes a head portion and a circumferentially-disposed channel for containing a sealing member. The stem section includes a longitudinally-disposed channel in fluid-flow connection with the channel. The piston is disposed within the pump body chamber. Lateral movement of the piston causes the sealing member to shift and block and unblock the end of the longitudinal channel allowing liquid to flow into a slot and to a pump chamber adjacent to the piston's head. The piston operates in association with an assembly for regulating the amount of liquid metered by the pump, a valve assembly for evacuating the liquid from the pump chamber into an outlet fitting, and a mechanism for regulating the flow of air into the outlet fitting to atomize the liquid. The piston operation can be calibrated for precise liquid metering.
Patent CA-2215661-A1 (CA)
Title: Modular structures
Inventor: LAWLER NICHOLAS ANTHONY
IPC: E04B1/344
Filed: 1996-02-15
Abstract: A modular unit (10) for a building comprises a central frame (12) and four walls (14) arranged in opposing pairs on each side of the central frame (12) to give an I-shaped configuration. At least one of the pairs of opposing walls (14) is foldable towards the central frame (12) to make a unit of [-shaped or ]-shaped configuration. The units (10) can be connected in series to make an extended building. The modular unit (10) is fitted with flooring (16) and a roof (22). Seals are provided between the central frame (12) and the walls (14), and between adjoining walls (14) in a multi-unit structure.
Patent CA-2216043-A1 (CA)
Title: Production of aminophenols
Inventor: WALSH STEVEN
IPC: C07C217/84
Filed: 1997-09-17
Abstract: A method of producing N,N-disubstituted aminophenols of the general formula (see fig.I)   or   (see fig.II) wherein R1 and R2 are the same or different and each represents a saturated or unsaturated aliphatic hydrocarbyl, cycloalkyl, aralkyl, the phenyl ring of which may be further substituted, alkoxyalkyl, or a cycloalkylalkyl, except that R1 and R2 are not simultaneaously methyl and R' represents hydrogen, halogen, nitro, cyano, alkyl or alkoxy, which comprises reacting an aminophenol of general formul (see fig.III)      or       (see fig.IV) wherein R3 represents hydrogen or R1, and R' is as defined above, with an organic halide species of general formula R2X wherein R2 is as defined above and X is halogen under aqueous acidic conditions with the periodic addition of an acid trapping agent in such a way that continuous monitoring of pH is not required.
Patent CA-2220631-A1 (CA)
Inventor: THEORET NORMAND
IPC: A42B3/28
Filed: 1997-11-06
Abstract: This safety cap comprises a unitary shell made of a rigid, light weight and impact-resistant plastic material and forming a dome shaped body to fit the wearer's head with ventilation openings and a rear recess for the passage of a wearer's pony tail.  An air permeable fabric cover completely covers the shell body for the purpose of thermal insulation, for esthetic value and for preventing entering of insects through  the  shell  ventilation  openings  while  allowing ventilation within the shell body.  The fabric cover has a dependent flange which is folded around the exposed edge of the shell body and attached to the interior surface of the shell body by hook and loop fastener bands.  This flange is padded and extends around the wearer's head.  The rear portion of the cover has also a recess in register with the shell body recess and is provided with length adjustable fastening straps to secure the cap in position.
Patent CA-2224923-A1 (CA)
Title: Impact modified poly(vinyl chloride) exhibiting improved low-temperature fusion
Inventor: BRADY JEAN MARIE
IPC: C08L51/00
Filed: 1997-12-16
Abstract: Poly(vinyl chloride), when impact modified with a core/shell acrylic impact modifier whose shell is predominantly formed from 50 - 90 parts of polymerized units of methyl methacrylate and 10 - 50 parts of polymeric units of a C2- C8 alkyl acrylate and whose core is a crosslinked copolymer mainly of polymeric units of butyl acrylate, exhibits improved fusion behavior, allowing conversion to an intimate, fused, processable blend at lower temperatures and faster rates, than when the shell of the impact modifier is substantially formed from methyl methacrylate alone.
Patent CA-2225365-A1 (CA)
Title: Toner cartridge with heat shield shutter
Inventor: RAMSDELL RICHARD ALDEN
IPC: G03G15/08
Filed: 1997-12-19
Abstract: A toner cartridge (1) has a single molded element, molded of polystyrene, which is heat sensitive.  The molded element forms front handles (3a, 3b) and a cleaner chamber (27) mounts a photoconductor drum (49).  A toner hopper (61) is located generally under the handles.  A developer roller (43) receives toner from the hopper and applies it to the photoconductor.  A lower shutter (7) of polycarbonate, which is heat resistant, is mounted on actuating links (13a, 13b).          When the cartridge is installed in the printer the actuating links are moved to rotate the shutter to a position covering the lower surface of the cleaner chamber, where it serves as an effective heat shield protecting the cleaner from fixing heat of the printer.
Patent CA-2226465-A1 (CA)
Inventor: HERBUT DAVID E
IPC: A47L13/42
Filed: 1998-01-07
Abstract: An adjustable connector device for releasably retaining the position of a first member relative to a second member. A movable body has a surface and an arm extending therefrom for connection with the first member. An upper socket receives a portion of the body surface and defines an opening for extension of the arm therethrough. A lower socket connects with the second member and also receives a portion of the body surface. A retainer, operatively engaging the arm, releasably retains the position of the body within the sockets. Upon actuation of the retainer, the position of the body within the sockets is retained. Upon release of the retainer, the position of the body may be adjusted by movement of the arm within the opening. Preferably, the first member is comprised of a handle, while the second member is comprised of a broom head for use in the sport of curling.
Patent CA-2229008-A1 (CA)
Title: Personal reader capture transfer technology
Inventor: SCWARTZ STANLEY G
IPC: G06Q20/30
Filed: 1996-08-02
Abstract: A method and apparatus for performing electronic financial transactions are disclosed having a card reader (14) which may determine if the card being read is authorized for use with the card reader (14). The card reader (14) also has a serial number which is sent to a clearing house (26) at the time a request for authorization is made to validate the use of the card reader (14). Card data and the card reader's serial number are converted to DTMF tones at a customer's location and are sent to a merchant over conventional telephone lines thereby making a standard modem unnecessary. The DTMF tones are decoded at the merchant's location and the data is sent by point-of-sale terminal (24) to a clearing house (26) for authorization. Furthermore, a traditional conversation may proceed with a merchant over the same telephone line as that by which the DTMF tones are being sent, eliminating the need for a second line at the customer's location.
Patent CA-2229238-A1 (CA)
Title: Motor vehicle monitoring system for determining a cost of insurance
Inventor: HEINEN JOHN P
IPC: G06Q40/08
Filed: 1998-02-11
Abstract: A method and system of determining a cost of automobile insurance based upon monitoring, recording and communicating data representative of operator and vehicle driving characteristics. The cost is adjustable retrospectively and can be prospectively set by relating the driving characteristics to predetermined safety standards. The method comprises steps of monitoring a plurality of raw data elements representative of an operating state of the vehicle or an action of the operator. Selected ones of the raw data elements are recorded when the ones are determined to have an identified relationship to safety standards. The selected ones are consolidated for processing against an insurer profile and for identifying a surcharge or discount to be applied to a base cost of automobile insurance. A final cost is produced from the base costs and the surcharges or discounts.
Patent CA-2229379-A1 (CA)
Inventor: FREY HOLGER
IPC: A61K6/893
Filed: 1996-10-16
Abstract: L'invention concerne des (méth)acrylates à cristaux liquides comprenant au moins trois fractions en bâtonnet rigide. L'une de ses fractions est située entre les sites de (méth)acrylate, et les deux autres sont reliées sous forme de chaînes latérales. Les (méth)acrylates à cristaux liquides considérés sont polymérisables au moyen d'initiateurs rédox et/ou d'amorces photochimiques. Ils offrent une polymérisation en quantité et un retrait à très faible volume inférieur à 2,5 %. Les composés polymérisables décrits dans l'invention sont représentés par la formule générale (I). On décrit par ailleurs l'emploi de ces matériaux dans les compositions dentaires et les procédés d'utilisation correspondants.
Patent CA-2229796-A1 (CA)
Title: Anti-intoxication composition
Inventor: DUTHINH PHU
IPC: A61K36/23
Filed: 1996-06-24
Abstract: An anti-intoxication composition for combatting the side-effects of an excessive consumption of alcohol may be taken orally as a food supplement before or after drinking, and comprises a plurality of herbal or vegetable extracts in defined quantities, at least one of them containing naturally occurring daidzin and daidzein in sufficient quantities to control the gastric and hepatic metabolism of alcohol.