baber/WOPTO huggingface dataset:
Patent CA-2024102-A1 (CA)
Inventor: PURBRICK MALCOLM D
IPC: C08F220/00
Filed: 1990-01-04
Abstract: 2024102 9007527 PCTABS00001 A polymerisable composition comprises (a) an ethylenically unsaturated diluent monomer comprising an ethylenically unsaturated fluorine-containing monomer; (b) an ethylenically unsaturated monomer containing a reactive ester group capable of coupling with an amino group-containing compound by the formation of an amide link;  and, (c) a polymerisation initiator. A polymer produced from the composition is capable of immobilising an amino group-containing compound e.g. a protein. Such polymers are suitable for use in a variety of biomedical applications.
Patent CA-2024656-A1 (CA)
Inventor: KAN JOHN T C
IPC: H02J7/00
Filed: 1990-09-05
Abstract: ABSTRACT OF THE DISCLOSURE          A battery charger adapted to be electrically connected to the terminals of a battery for providing a charge to the battery, the battery charger comprising a device for supplying charging current to the battery, the current supplying device being operable to alternatively and selectively supply current at a first and second rate, the first rate providing for high rate charging of the battery, circuitry for sensing the voltage of the battery while the charger is connected to the battery, the sensing circuitry being adapted to be coupled to the battery, circuitry for alternatively selecting the first rate and the second rate, the selecting circuitry being coupled to the supplying circuitry and to the severing circuitry, circuitry for severing the supply of charging current to the battery when the second rate is selected, and when the sensing circuitry senses battery voltage in excess of a first predetermined threshold voltage, and for resuming the supply of current to the battery at the second rate when the sensing circuitry senses battery voltage below a second predetermined threshold voltage lower than the first predetermined threshold voltage, the severing circuitry being coupled to the current supplying device and to the sensing circuitry.
Patent CA-2031438-A1 (CA)
Title: Enhanced lighting for ornaments
Inventor: DAVIS TERRILL M
IPC: F21V23/00
Filed: 1990-12-04
Abstract: ABSTRACT OF THE DISCLOSURE              ENHANCED LIGHTING FOR ORNAMENTS     An ornament has a viewing chamber with transparent walls for displaying an ornamental object enhanced by a lamp that rotates with it.  The mechanism for rotating the ornamental object is contained within a concealing chamber with opaque walls and includes a pair of brushes providing sliding contact with a pair of slip rings in electrical contact with the lamp.  The slip rings rotate with the ornamental object to supply current to the lamp throughout the 360 degrees of rotation.
Patent CA-2031503-A1 (CA)
Title: Nucleic acid probes for the detection of chlamydia trachomatis
Inventor: SHAH JYOTSNA
IPC: C12N15/09
Filed: 1990-05-31
Abstract: ABSTRACT    Nucleic acid probes capable of hybridizing to rRNA of Chlamydia trachomatis and not to rRNA of non-Chlamydia are described  along with methods utilizing such probes for the detection of Chlamydia trachomatis in clinical samples.     GT2-3.0
Patent CA-2031646-A1 (CA)
Inventor: EASON DONALD H
IPC: H04R1/00
Filed: 1990-12-06
Abstract: MICROPHONE STAND               Abstract of the Disclosure A support stand is described which is stackable with other similar stands.  The base in one embodiment includes at least one inwardly extending slot, and an upright member is secured to the base.  In another embodiment a microphone stand is described which includes two upright members which are telescoped together.  The uppermost upright member can be locked in a desired position by a rotatable collar.
Patent CA-2032277-A1 (CA)
Title: Metal salts of .beta.-diketones as charging adjuvants for electrostatic liquid developers
Inventor: LANE GREGG A
IPC: G03G9/12
Filed: 1990-12-14
Abstract: TITLE TITLE METAL SALTS OF .beta.-DIKETONES AS CHARGING ADJUVANTS FOR ELECTROSTATIC LIQUID DEVELOPERS           ABSTRACT OF THE DISCLOSURE      An electrostatic developer consisting essentlally of (A) a nonpolar liquid having a Kauri-butanol value of less than 30, present in a major amount; (B) thermoplastic resin particles, less than 30 µm average particle size, a nonpolar liquid soluble ionic or zwitterionic charge director compound (C), and (D) a metal salt of a .beta.-diketone as described.  The process of preparation of the liquid electrostatic developer is also described.  The liquid developers of the invention are useful in copying, color proofing, including digital color proofing, lithographic printing plates and resists.
Patent CA-2037905-A1 (CA)
Title: Arrangement for introducing waste material into a molten slag
Inventor: WILHELM LUDWIG
IPC: C21C5/36
Filed: 1990-08-09
Abstract: ABSTRACT OF THE DISCLOSURE:         An arrangement is useful for introducing waste material into a molten slag produced in a cupola.  The waste material is introduced into the slag in at least one reaction vessel arranged outside the cupola between the slag overflow and a slag-collecting device.
Patent CA-2039187-A1 (CA)
Title: Emi shielding gasket
Inventor: THORNTON STEVEN L
IPC: H05K9/00
Filed: 1991-03-27
Abstract: ABSTRACT OF THE INVENTION        An electrically conductive gasket comprised of a plastic substrate and a metal layer formed on at least one surface of the gasket.  The gasket is preferably formed in a form such that it has an attachment portion and a contact portion.  Preferably, the gasket is an EMI/RFI shielding gasket having a plurality of fingers extending outwardly from a center portion such that the metal layer of the gasket establishes an electrical connection between two substrates which require EMI/RFI shielding.
Patent CA-2040784-A1 (CA)
Title: Monolithically integrated semiconductor optical preamplifier
Inventor: EICHEN ELLIOT
IPC: H01S5/00
Filed: 1991-04-18
Abstract: MONOLITHICALLY INTEGRATED SEMICONDUCTOR          OPTICAL PREAMPLIFIER            Abstract An optical preamplifier includes a semiconductor optical amplifier monolithically integrated with an optical detector and electrically isolated from the detector by an isolation region.  The isolation region consists of a low-loss, preferably transparent, insulating material whose index of refraction is matched to at least the refractive index of the amplifier, leading to reduced facet reflectivity at the amplifier output facet.  Alter-native device structures may include a waveguiding layer in the isolation region, a grating integrated with or following the optical amplifier, and a tuning region positioned between the amplifier and isolation region for filtering spontaneous emission.
Patent CA-2040867-A1 (CA)
Inventor: NYSTROM MATS G
IPC: D21C11/00
Filed: 1991-04-19
Abstract: The present invention relates to a method of reducing the content of halogenated  organic compounds  in the spent bleach liquor from the bleaching of lignocellulose-contain-ing material with compounds containing halogen, wherein the spent bleach liquor, in a stage where no essential deligni-fication or bleaching of the pulp takes place,  is maintai-ned at  a pH  of from  2.5 up to about 10, and wherein the residence time and the  temperature are  selected such that the amount  of dissolved  halogenated organic substances in the spent bleach liquor is reduced by at least 30%.
Patent CA-2042530-A1 (CA)
Inventor: CONNOLE KENT B
IPC: H01B7/20
Filed: 1991-05-14
Abstract: A bonded sheath cable includes a core and a longitudinally wrapped outer shield which encloses the core. An outer surface of the shield is provided with a layer of a copolymer adhesive material which causes the shield to bond to an overlying plastic jacket. The shield is wrapped longitudinally about the core to have overlapping portions which form a longitudinal seam. In order to avoid seam splitting of the jacket along a line aligned with the longitudinal edge of the outer overlapping portion, control means comprising a polymeric material is provided to extend in bicircumferential directions from the longitudinal edge thereby reducing the bond along the overlap seam and allowing the cable to bend and/or twist without causing a stress concentration in the plastic overlying the longitudinal edge.
Patent CA-2042722-A1 (CA)
Inventor: BICHON DANIEL
IPC: A61K9/127
Filed: 1991-05-16
Abstract: Air or gas filled microballoons bounded by an interfacially deposited polymer membrane which can be dispersed in aqueous carrier liquids to be infected into living organisms or administered orally, rectally and urethrally for therapeutic or diagnostic purposes (echography). The properties of the polymeric membrane of the microballoons (elasticity) permeability, biodegradability) can be controlled at will depending on the selected polymer, the interfacial deposition conditions, and the polymer additives.
Patent CA-2048340-A1 (CA)
Title: Microwave active coating material including polyvinylbutyral
Inventor: WIDENHOUSE CHRISTOPHER W
IPC: C09D159/04
Filed: 1991-08-02
Abstract: A MICROWAVE ACTIVE COATING MATERIAL INCLUDING               POLYVINYLBUTYRAL                      ABSTRACT OF THE INVENTION    A  microwave  active  coating  material   is  provided  which includes electrically conductive  elements  and  a binder  system. The binder system includes a polyvinylbutyral resin and a solvent. The coating material is capable of pattern coating a substrate to form a plurality of discrete electrically  conductive  elements. The  discrete  electrically  conductive  elements  have  a  maximum dimension sufficiently small to obviate arcing.  In addition, the elements  form  an  array  which  operates  as  a  microwave  field modifier.   The  modifier  may  constitute  a  dielectric  substrate having a plurality of discrete surface areas which are coated with an  electrically  conductive  coating  material  to  form  discrete electrically conductive elements, and which discrete elements on a given surface are disposed in a predetermined array.   Preferably the elements are elongate; and, preferably, the array constitutes a plurality of rows of linearly aligned elements which rows are in parallel relation, and in which the elements in adjacent rows are in staggered relation.  The electrically conductive elements are preferably formed by printing an electrically conductive ink-like coating material on the dielectric substrate.
Patent CA-2048366-A1 (CA)
Inventor: KOBAYASHI MASATSUNE
IPC: B41J2/16
Filed: 1991-08-02
Abstract: An ink jet recording head comprises a discharge port through which the ink is discharged, a liquid chamber for temporarily reserving the ink to be supplied to said discharge port, a flow channel for connecting said discharge port to said liquid chamber, and a substrate having an element surface on which is disposed an energy generating element for generating the energy with which the ink is discharged through said discharge port, wherein said recording head is formed by fusing a structural member having a groove making up said flow channel corresponding to said energy generating element with said element surface, and a cavity portion making up said liquid chamber with said element surface onto said element surface.
Patent CA-2048499-A1 (CA)
Inventor: TAKAHASHI AKIRA
IPC: G11B11/10
Filed: 1991-08-06
Abstract: A magneto-optical recording device having a light source and external magnetic field applying apparatus, which records information on a magneto-optical recording medium with a magnetic field modulation method. The device has a controller which stops the irradiation of a light beam when switching the direction of applying external magnetic field during recording.      This allows an area where information is recorded with a low external magnetic field to be smaller, and thereby achieving a reproduced signal of improved quality.
Patent CA-2049078-A1 (CA)
Title: Complex phosphates
Inventor: SMITH KEVIN M
IPC: C09K15/02
Filed: 1991-08-13
Abstract: ABSTRACT            A composition  consisting essentially  of ammonium  pyrophosphate  and having at least 70% of its  phosphorus content present in the form  of pyrophosphate is useful as a flame retardant for various materials.
Patent CA-2053505-A1 (CA)
Inventor: DWIGGINS JOHN H
IPC: D21F11/14
Filed: 1991-10-16
Abstract: Apparatus and process for producing foam formed fibrous web in which the furnish is made up by mixing a thin water slurry of fibers at a consistency in the range of from about 0.5 to about 7 weight percent fibers with sufficient aqueous foam containing a surfactant and having an air content in the range of from about 55 to about 80 percent by volume to form a foamed fiber furnish containing from about 0.1 to about 3 weight percent fibers which is supplied directly to the forming felt (11) or wire of a twin wire papermaking machine, adding makeup surfactant and discarding excess aqueous foam from the process as required to maintain the desired volume of foamed liquid therein. <IMAGE>
Patent CA-2060762-A1 (CA)
Title: Method for producing glass preform for optical fiber
Inventor: DANZUKA TOSHIO
IPC: C03B37/012
Filed: 1992-02-06
Abstract: Abstract A glass preform for use in the fabrication of an optical fiber having a reduced transmission loss is produced by synthesizing a soot preform by a vapor synthesis method and consolidating the soot preform in an electric furnace to obtain the glass preform.  An intermediate body consisting of a core portion and an inner part of a cladding portion are consolidated under atmospheric pressure, and the outer part of the cladding portion that surrounds the periphery of the intermediate body is consolidated under reduced pressure or in a vacuum.
Patent CA-2064082-A1 (CA)
Title: Needle stop surgical instrument
Inventor: LYELL MARK S
IPC: A61B19/04
Filed: 1991-06-04
Abstract: A needle stop surgical instrument comprising a finger housing (1), a needle receiving space (3), and a handle (2). The finger housing (1) is adapted for receiving a finger. At one end of the finger housing (1) is an endwall (5) for protecting the finger from injury and the needle receiving space (3) for receiving and guiding a needle. The space (3) is preferably in the shape of a cone.  At the opposite end of the finger housing (1) is connected the handle (2) which is designed such that when a finger is received in the housing (1), the remaining fingers of the hand can grip the handle (2). The instrument is used in a Stamey procedure or similar procedures to protect a surgeon's finger from needle injury, by being capable of receiving and guiding a needle through a surgical incision. Using the needle stop, a surgeon can avoid the risk of contracting serious infectious diseases, such as AIDS and Hepatitis B.
Patent CA-2066133-A1 (CA)
Title: Fireproofing panel system
Inventor: CASTLE GEORGE K
IPC: E04B1/94
Filed: 1992-04-15
Abstract: ABSTRACT     A system of fireproofing panels.  The panels are light weight and easy to install. Lap joints are formed between the panels and simply secured with screws. No fireproofing material need be applied over the joints or the screws.  In one embodiment, the panels are screwed to a corrugated underlayment.  In an alternative embodiment, brackets are used to hold several panels in place around structural members.  Also, the panels can be fabricated with a metal foil backing which acts as a radiation shield during a fire.
Patent CA-2066913-A1 (CA)
Inventor: ADAMS STEVEN P
IPC: A61P25/28
Filed: 1992-04-23
Abstract: Novel short peptides of up to about 20 amino acid residues are disclosed that bind to the SEC receptor.        These novel peptides preferably are pentapeptides which are synthetic analogs of a pentapeptide domain in the carboxy-terminal fragment of .alpha.-antitrypsin (amino acids 370-374, Phe-Val-Phe-Leu-Met [SEQ ID NO:2]). A preferred binding peptide is Phe-Val-Ala-Leu-Met [SEQ ID      NO:6].
Patent CA-2067619-A1 (CA)
Title: Brake lining wear indicator gauge
Inventor: PRINCE ROBERT J
IPC: F16D66/02
Filed: 1992-04-14
Abstract: ABSTRACT OF THE DISCLOSURE          This innovative invention relates to a one piece brake lining wear indicator gauge, is a circular  device, with calibration marks on both of the flat surfaces of the dial which  when the device is connected to the splined end of a rotatable brake shoe camshaft equipped with  manual or automatic slack adjusting levers the device becomes the means for disclosing the amount of brake lining wear that takes place inside a brake drum compartment.
Patent CA-2067783-A1 (CA)
Title: Telephone access video game distribution center
Inventor: RHOADES DONALD E
IPC: H04H20/76
Filed: 1990-10-17
Abstract: 2067783 9106160 PCTABS00005 A digital, interactive communication system designed to provide a plurality of remote subscribers with any one of a plurality of stored video games or like software packages through the use of a home computing assembly (10) maintained within the subscriber's home and structured to display video as well as generating audio on a standard television receiver (73) and further incorporating the ability to utilize contemporary video gaming control devices (12) for subscriber program interaction. A bidirectional communication link (74) is established over the telephone lines between the home computing assembly (10) and the central remote game storage center (60) wherein the software programs are transmitted as a modulated carrier to the subscriber. Program selection is controlled by a remote game storage center executive software program.  Automatic billing is performed by computing equipment maintained in the remote game storage center and transmitted to a headquarters (90) which also receives diagnostic messages associated with the remote game center and/or the associated plurality of home computing elements.
Patent CA-2068378-A1 (CA)
Title: Chemical compounds
Inventor: HOLLOWAY BRIAN R
IPC: C07D263/22
Filed: 1992-05-11
Abstract: ABSTRACT            Compounds of the formula (I):                          (I) and bioprecursors and pharmaceutically acceptable salts thereof are described as .beta.3-adrenoceptor agonists having anti-obesity, hypoglycaemic and related therapeutic utilities. Processes for their preparation are described as are compositions containing them.
Patent CA-2070767-A1 (CA)
Title: Electron device employing a low/negative electron affinity electron source
Inventor: JASKIE JAMES E
IPC: H01J3/02
Filed: 1992-06-09
Abstract: AN ELECTRON DEVICE EMPLOYING A LOW/NEGATIVE       ELECTRON AFFINITY ELECTRON SOURCE                 Abstract of the Disclosure Electron devices employing electron sources including a material having a surface exhibiting a very low/negative electron affinity such as, for example, the 111 crystallographic plane of type II-B diamond. Electron sources with geometric discontinuities exhibiting radii of curvature of greater than approximately 1000.ANG. are provided which substantially improve electron emission levels and relax tip/edge feature requirements. Electron devices employing such electron sources are described including image generation electron devices, light source electron devices, and information signal amplifier electron devices.
Patent CA-2073370-A1 (CA)
Inventor: BOURGAULT GERARD F J
IPC: A01C7/06
Filed: 1992-07-08
Abstract: A unique and improved seed and fertilizer coulter-type drill is disclosed.  The drill has a plurality of coulter wheels in four rows, the front two rows of coulters  cut first furrows and deposit seed.  The rear two rows of coulters cover the seed in the first cut furrows and produce a second set of furrows in which fertilizer is deposited, approximately 1 inch away from the seed.          The two sets of coulters are followed by a plurality of press or packer wheels which ensure good seed to soil contact and cover the remaining fertilizer furrows.
Patent CA-2073795-A1 (CA)
Title: Catalytic synthesis of alkyl morpholinones
Inventor: SU WEI-YANG
IPC: B01J23/80
Filed: 1992-07-14
Abstract: CATALYTIC SYNTHESIS OF ALKYL MORPHOLINONES             (Docket No. 81,061-F) ABSTRACT OF THE DISCLOSURE 4-Alkyl-2-morpholinones  are  prepared by bringing an N-alkyldiethanolamine into contact with a zinc oxide promoted copper catalyst in the presence of hydrogen under reaction conditions including a temperature within the range of about 240° to about 400°C. and a pressure within the range of about 0 to about 300 psig and by recovering the 4-alkyl-2-morpho-linone that is formed by the reaction.
Patent CA-2074940-A1 (CA)
Title: Process and device for controlling the movements of an injection mould and a handling device
Inventor: HERBST RICHARD
IPC: B29C45/84
Filed: 1991-02-05
Abstract: In order to control the opening and closing movement of an injection mould (1, 3) and the feed and extraction movement of a handling device (7) for the removal of the moulding in a manner which is optimally concerted with no delay, the opening movement of the mould and/or the extraction movement of the handling device is detected in relation to position and speed; if the speed lies in a reference range, a release signal is generated which triggers the feed movement of the gripping device or the closing movement of the mould.
Patent CA-2075106-A1 (CA)
Inventor: BELLATI OLGA
IPC: B24B21/04
Filed: 1992-07-31
Abstract: The planing machine for wood floors includes a truck with retractable front wheels and with a rear wheel which is provided with means for varying the attitude of the machine when the direction of motion changes; a treatment head which is provided with two abrasive paper supporting rollers which rotate in different directions, is articulately supported by the truck and is provided with a portion which is in contact with elastic positioning and contrast means; an aspirator which conveys the wood dust into a collecting bag; and at least one electric motor which drives the rollers which support the abrasive paper and the aspirator.
Patent CA-2078211-A1 (CA)
Title: Indwelling stent and method of use
Inventor: ZIMMON DAVID S
IPC: A61F2/94
Filed: 1991-03-27
Abstract: A stent (21) is disclosed having a pigtail (33) at its distal end (35) and having a flap (23) acting as a barb at its proximal end (29). Stent (21) includes a catheter body (31) having at least one lumen (43) and having drainage holes (37, 39). The stent may be made of radiopaque polyethylene. The pigtail (33) prevents entire proximal migration of catheter body (31) while allowing spring action to accommodate variations in length, while flap (23) prevents entire distal migration while being radially retractable to facilitate insertion. An alternative embodiment is disclosed having multiple flaps (25, 27) acting as a barb. A method of use is also disclosed.
Patent CA-2083474-A1 (CA)
Title: Synthetic resin solid surface material and method of making same
Inventor: TURNER DOUGLAS C
IPC: B44F9/04
Filed: 1992-11-20
Abstract: SYNTHETIC RESIN SOLID SURFACE MATERIAL       AND METHOD OF MAKING SAME                 ABSTRACT OF THE DISCLOSURE         A synthetic resin solid surface material (10), such as cultured marble or onyx, and which is cast as a unitary structure, comprises a front or working surface formed by a first layer (16) of a synthetic resin, a rear surface formed by a second layer (18) of a synthetic resin and a layer of a core material (14) sandwiched between the first and second layers.  A fibrous reinforcing material (22) is provided between the first layer (16) and the core (14).  In one embodiment of the invention, the core material comprises plywood.  In another embodiment, the core material comprises balsa wood with its grain arranged to extend between the first and second layers and including a further fibrous reinforcing layer (26) between the core (14) and the second layer (18).  A two-step method for manufacturing the synthetic resin solid surface material comprises the steps of pouring a hardenable synthetic resin mixture into a mold (30) to form the first layer (16), allowing the first layer (16) at least partially to cure, proving a layer of fibrous reinforcing material (22) on top of the first layer (16), locating a layer of core material (14) on top of the layer of reinforcing material (22), pouring a hardenable synthetic resin mixture into the mold to form the second layer (18) on top of the core material (14) and allowing the resin to cure.