baber/WOPTO huggingface dataset:
Patent CA-2007531-C (CA)
Title: Reversible adjustable wrench
Inventor: CONE RICHARD E
IPC: B25B13/16
Filed: 1990-01-10
Granted: 1999-06-15
Abstract: The subject invention relates to the art of adjustable wrenches.  The adjustable wrench of this invention is particularly suited for the gripping of hex head fasteners.  The adjustable wrench has a handle portion and a head portion.  The head portion has two downwardly extending jaws.  One jaw is stationery, the other being moveable.  The moveable jaw moves in an elongated slot which is integral with the head portion.  The moveable jaw and the elongated slot incorporate opposing interlocking surfaces which cooperate in such a manner as to support the moveable jaw during usage.  The moveable jaw is connected to an adjusting means which may be an adjusting screw and an adjusting nut.  The adjusting means controls the fixed relationship between the moveable jaw and the fixed jaw.  In the embodiment which utilizes an adjusting screw its movement and hence the movement of the moveable jaw is controlled by the . rotation of an adjusting nut.  The assembly of the moveable jaw into the head portion may be effected through the aperture which contains the adjusting nut.  The moveable head, adjusting screw and adjusting nut are fully supported in the head portion.  The adjustable wrench of this invention is reversible and may be used in tight quarters.  In the preferred embodiment the jaws of the adjustable wrench have 120 degree angled faces.
Patent CA-2012948-C (CA)
Title: Aqueous coating compositions
Inventor: SMAK YVONNE WILHELMINA
IPC: C08G18/08
Filed: 1990-03-23
Granted: 2001-05-15
Abstract: An aqueous selfcrosslinkable coating composition which comprises an aqueous dispersion of at least one polymer having chain-pendant amine groups and certain selected non-polymeric ketone-containing compounds, particularly acetoacetates and acetoacetamides, whereby selfcrosslinking is effected, often at ambient or low temperatures, during and/or after film formation.
Patent CA-2014702-C (CA)
Title: Combined fiber optic conduits and office panel
Inventor: HELLWIG JOHN
IPC: G02B6/44
Filed: 1990-04-17
Granted: 1995-12-12
Abstract: An office panelling system is advantageously combined with fiber optic communication cable wherein the panels of the system are generally open in the center thereof and the vertical space of the panel is advantageously used for reducing the curvature of the cable between panels disposed at an angle.  The panels have a metal framework onto the sides of which cover members are secured such that the interior of the framework is generally open.  The framework includes a host of distributed passage ports therethrough for allowing communication cables and the like to pass through the framework where desired.  The fiber optic communication cable is strung through the frameworks of the panels and rounds corners between panels disposed at an angle by using both the vertical and horizontal planes of the framework to provide a curvature in the cable rounding the corner between angled panels much greater than the angle of curvature of the cable if the cable was confined to a single horizontal plane for rounding the same corner.  The rate of curvature of the cable is important, as in fiber optic cables light loss is encountered with any corner and the extent of the light loss increases as the radius of curvature becomes smaller.  It is the general practice that the rate of curvature should not be less than ten times the diameter of the cable.
Patent CA-2014717-C (CA)
Title: Bottle rack component and assembly
Inventor: SCHNEIDER BERNARDUS J J A
IPC: A47B73/00
Filed: 1990-04-17
Granted: 1993-12-14
Abstract: BOTTLE RACK COMPONENT AND ASSEMBLY         Inventor:  Bernardus J.J.A. Schneider ABSTRACT     One or more bottle-holding rack components which may be interconnected and assembled to form a bottle rack and the like are each provided in the shape of a cradle having an upper bottle cradling surface and a plurality of upstanding legs each of which contain a joint element on the outer surface thereof and on the upper extremity of each of the upstanding legs.          Interconnecting members are provided extending laterally on each side of the upper bottle cradling surface and are adapted to form an interconnection between adjacently-positioned bottle rack components.  Each joint element on the upper and outer extremity of each leg are adapted to form a joint connection between complementary joint elements of adjacently-positioned bottle rack components whereby when adjacently-positioned bottle rack components are interconnected, three spaced joints are formed between the adjacently-connected components.  Receptacles are positioned on the lower surface of the cradle for receiving a pair of joined upstanding legs which permits the positioning of bottle rack components on top of any adjacently-interconnected pair of bottle rack components thereby allowing the construction of a bottle rack assembly which is adapted to extend vertically as well as horizontally in a large variety of shapes and configurations.     Each bottle rack component is a singular unit with all of the joint elements and interconnecting members being formed therein thereby requiring no interconnecting members or other parts to permit the assembly of a multiple bottle holding rack Each component may be used singularly or in combination without additional parts and further, are so constructed that they may be conveniently and compactly stacked one within the other for convenient handling, packing and shipping.
Patent CA-2017535-C (CA)
Title: Antispasmodic agents
Inventor: ALKER DAVID
IPC: C07D417/06
Filed: 1990-05-25
Granted: 2000-02-29
Abstract: The invention provides compounds of the formula:-(see above formula) wherein k is 1, 2 or 3; m is 1, 2 or 3; n is 1, 2 or 3;      P is 0, 1 or 2;      X is O; S or a direct link, with the proviso that when X is O or S; n is 2 or 3;      R1 is H or C1-C4 alkyl; and R2 is an optionally substituted phenyl or heteroaryl group; and pharmaceutically acceptable salts thereof.      These compounds are useful for the treatment of motility disorders, particularly those of the gut such as irritable bowel syndrome.
Patent CA-2018308-C (CA)
Title: Anticonvulsant pyrazines
Inventor: KELLEY JAMES L
IPC: A61P25/08
Filed: 1990-06-05
Granted: 2000-08-01
Abstract: The present invention discloses a class of novel 1,2,4-triazolo[4,3-a] pyrazines, pharmaceutical compositions containing them and methods for their preparation. Such compounds are shown to have anticonvulsant properties and, therefore, be useful in the treatment of epilepsy.
Patent CA-2019048-C (CA)
Title: Cloth enzyme immunoassay
Inventor: YAMAZAKI HIROSHI
IPC: A61K39/39
Filed: 1990-06-14
Granted: 2003-02-25
Abstract: ABSTRACT OF THE DISCLOSURE    Novel devices and techniques for carrying out immunoassay techniques on antibodies, antigens or haptens are provided here-in.  The device is a macroporous hydrophobic synthetic polymer cloth having antibodies or antigens directly adsorbed therein and directly absorbed and immobilized thereon.  The cloth has a thickness more than 200µm and having spaces between fibres exceeding 20µm in diameter, and preferably has a Frazier Air permeability, in CFM/ft2 at 0.5" H2O of from 215 to 750 for thickness of from 11 to 40 mils, the cloth thereby having a structure such that it can accommodate a large volume of liquid per surface area thereof, that it has a large surface area, and that it has minimum flow resistance.  In addition, in two alter-native embodiments: antibodies may be directly adsorbed therein and directly absorbed and immobilized thereon, and specific anti-gens from a selected test sample, may then be captured by the adsorbed, absorbed and immobilized antibodies, to be detected conventionally; or antigens may be directly adsorbed therein and directly absorbed and immobilized thereon, and specific anti-bodies from a selected test sample, may be captured by the adsorbed, absorbed and immobilized antigens, to be detected con-ventionally.
Patent CA-2019999-C (CA)
Title: Self supply automatic ink stamping device
Inventor: BISHOP ALVA J
IPC: B41K3/54
Filed: 1990-06-27
Granted: 1995-02-21
Abstract: An  automatic  contact  ink  stamping  assembly characterized by repetitive movement of the die stamping surface between inverted positions defining an ink supply and a printing position.  The apparatus is characterized by a stamping die assembly pivotally mounted to a carrier block reciprocally  driven by  a  piston  and  cylinder  assembly between the ink supply and printing position.   The die assembly is provided with an upstanding ear having a cam surface which engages a rotatably mounted wheel in a manner to cause the die assembly to pivot 180 degrees responsive to the stroke of the piston and to align the die stamping surface in an accurate position perpendicular to the axis of said piston in both the ink supply and printing position.
Patent CA-2021026-C (CA)
Inventor: TAKAGISI YOSIKAZU
IPC: G11B7/24
Filed: 1990-07-12
Granted: 1995-07-25
Abstract: An optical information recording medium comprising a light transmitting substrate having a spiral pregroove formed on its surface, a light absorptive layer of a coloring matter formed on the substrate directly or with other layer interposed therebetween, and a light reflective layer made of a metal film formed on the light absorptive layer directly or with other layer interposed therebetween, wherein .DELTA.S ? 0.3 wherein .DELTA.S is the optical phase difference represented by .DELTA.S = 2dsub{nsub - nabs(1 -dabs/dsub)}/.lambda. wherein dsub is the depth of the layer boundary on the substrate side of the light absorptive layer at the portion corresponding to the pregroove, dabs is the depth of the layer boundary on the light absorptive layer side of the light reflective layer at the portion corresponding to the pregroove, nsub is the real part of the complex refractive index of the substrate and any layer present on the substrate side of the light absorptive layer, nabs is the real part of the complex refractive index of the light absorptive layer, and .lambda. is the wavelength of a laser beam.
Patent CA-2025561-C (CA)
Title: Recording head with cover
Inventor: KARITA SEIICHIRO
IPC: C08G18/62
Filed: 1990-09-17
Granted: 1995-07-11
Abstract: A recording head is proposed having an ejection outlet for ejecting recording ink, and a container for the recording ink having an air vent. A single sealing member seals both the ejection outlet and the air vent so that when this sealing member is removed, both the ejection outlet and the air vent are unsealed.
Patent CA-2027025-C (CA)
Inventor: KIRIBAYASHI SHOJI
IPC: B23K1/005
Filed: 1990-10-05
Granted: 1994-03-08
Abstract: ABSTRACT            A method is disclosed for the manufacturing of circuit boards. The method employs a pulsed or continuous beam laser for the perforation of the substrate material and employs gases for the removal of the subsequent sublimate and cooling of the substrate material.
Patent CA-2027656-C (CA)
Title: Galvanic dezincing of galvanized steel
Inventor: LEROY RODNEY L
IPC: C25F5/00
Filed: 1990-10-15
Granted: 1998-09-29
Abstract: A  method of removing zinc from galvanized steel without substantial co-dissolution of substrate iron comprises immersing the galvanized steel in a caustic electrolyte solution, and electrically connecting the galvanized steel to a cathode material which is stable in caustic electrolyte and has a low hydrogen overvoltage.
Patent CA-2027753-C (CA)
Title: Deodorizing and cleaning compositions and method
Inventor: HUTCHINGS RICHARD S
IPC: C11D3/395
Filed: 1990-10-16
Granted: 1997-05-20
Abstract: An aqueous oxidizer composition having a pH of from about 4 to 11 comprising on a weight basis from about 0.01 to about 10% of an alkali metal halogenite and a salt selected from the group consisting of salts of transition and post-transition metals and mixtures thereof, said salt being present in a concentration sufficient to obtain a metal ion concentration of at least about 0.0001%.
Patent CA-2034600-C (CA)
Title: Method of processing cellular telephone call detail data for billing multi-line customers for cellular telephone services
Inventor: BAUM DAVID M
IPC: G06Q30/04
Filed: 1991-01-18
Granted: 1993-12-14
Abstract: A METHOD OF PROCESSING CELLULAR TELEPHONE CALL DETAIL DATA FOR BILLING MULTI-LINE CUSTOMERS FOR CELLULAR TELEPHONE SERVICES Abstract of the Disclosure A unique cellular telephone billing system (100) processes call detail records (102) of cellular telephone calls made by users of multi-line customers to produce invoices and reports. The call detail records (301 and 302) for each user of a multi-line customer include a unique key identification number (311 and 321) and may include an information format (401 and 402) having variable-length sub-fields (411-415 and 421-423). Call detail records (102) with key identification numbers are pooled into files (110) and then sorted for each multi-line customer by key identification number and corresponding information format to produce consolidated billing and usage information for all of the cellular telephones as well as individual invoices for each of user-employee of each multi-line customer.
Patent CA-2034756-C (CA)
Inventor: JARJOURA MICHAEL
IPC: E04F11/18
Filed: 1991-01-22
Granted: 1995-10-17
Abstract: A modular construction system for connecting two or more structural members, comprising a universal unit for connection to a first structural member, the unit having at least one planar surface adapted to be oriented in substantially vertical orientation, one or more posts projecting in substantially horizontal orientation from the planar surface, and a pair of finger members defining vertical channels on opposite sides of the one or more posts.  One or more connector units are also provided for removable connection to the universal unit, each of the connector units having a planar flange member adapted to be received in the vertical channels and to rest on the one or more posts, and one or more tongue members connected to the flange unit for receiving one or more additional structural members.
Patent CA-2037997-C (CA)
Title: Press type stencil printing device having means for positioning multi-press print images
Inventor: KOMATA SATORU
IPC: B41L13/02
Filed: 1991-03-11
Granted: 1998-05-12
Abstract: In a press type stencil printing device in which a press plate holding a stencil printing plate is pivotably mounted to a base carrying a print sheet receiving means placed thereon so that the stencil printing plate is pressed onto a print sheet placed on the print sheet receiving means, a transparent or semi-transparent positioning print sheet means is pivotably mounted to be selectively overlapped on the print sheet receiving means, and the print sheet receiving means is fastened to the base by a fastening means which allows minute adjustment of the printing sheet receiving means in two dimensions on the base relative thereto.
Patent CA-2039725-C (CA)
Title: Handwritten input data processor and system
Inventor: KUZUNUKI SOSHIRO
IPC: G06F3/0488
Filed: 1990-08-24
Granted: 2001-01-16
Abstract: In an information processing apparatus having a handwriting input unit made of an integral structure of a handwriting coordinate input device and a plane display, the screen of the handwriting input unit is constituted by one or more areas, anal there are provided a form defining unit for defining in advance a process operation for each area and a stroke interpretation executing unit for executing the process operation defined by the form defining unit when a handwritten stroke is inputted to the area. It becomes therefore possible to input data with a realistic sense of writing data on a paper with a pen without intercepting human thinking processes, while considerably improving man-machine interface.
Patent CA-2041781-C (CA)
Title: Unsaturated polyester resin-based compositions containing novel anti-shrinkage additives
Inventor: FOURQUIER DOMINIQUE
IPC: C08F299/04
Filed: 1991-05-03
Granted: 2002-12-10
Abstract: Liquid resin compositions appropriate for moulding objects reinforced by glass fibres and which may be pigmented, comprising an unsaturated polyester, a copolymerizable monomer and a partially hydroxylated alkyl methacrylate polymer. The polymer selected is a hydroxylated alkyl methacrylate polymer which is soluble in the monomer and miscible with the unsaturated polyester. Application to the fabrication of moulded objects by mass moulding, sheet moulding and by injection.
Patent CA-2045640-C (CA)
Title: Receptor membranes and ionophore gating
Inventor: CORNELL BRUCE ANDREW
IPC: C07K17/08
Filed: 1990-01-29
Granted: 1999-01-05
Abstract: The present invention provides a membrane the conductivity of which is dependent on the presence or absence of an analyte.  The membrane comprises a closely packed array of self-assembling amphiphilic molecules and two ionophore components.  A receptor molecule reactive with the analyte is provided on one of the ionophore components.  The binding of the analyte to the receptor molecule causes a change in the relationship between the ionophore components such that the flow of ion across the membrane is prevented or allowed.  The ionophore components are preferably selected from the group consisting of amphotericin B, gramicidin A monomers and combinations thereof, with gramicidin A monomers being particularly preferred.  The present invention also provides a membrane including receptors directed against the Fc region of antibodies.  These receptors are preferably derived from polyclonal antibodies.  These membranes provide a "generic" surface which will bind antibodies in a manner such that the antigen binding regions of the antibody are not hindered.  The present invention further provides a device adapted for implantation in a mammalian body, the device being characterised in that it is coated with a membrane comprising a closely packed array of self-assembling amphiphilic molecules and receptor molecules.  The receptor molecules being such that the attachment of specific cells to the membrane is enhanced or avoided.  It is particularly preferred that the receptor molecules are directed against fibronectin, vitronectin, endothelial cells, or epithelial cells.  It is further preferred that the membrane coating the device also includes a plurality of ion channels such as gramicidin.
Patent CA-2046387-C (CA)
Title: Method and apparatus for determining the fundamental viscoelastic properties of a material
Inventor: PORTER JOHN P
IPC: G01N3/22
Filed: 1991-07-05
Granted: 1999-12-21
Abstract: An apparatus far determining the fundamental viscoelastic properties of a viscoelastic material includes means for imparting a torsional stress in a viscoelastic material; means for measuring the relaxation of the torsional stress over time and converting the relaxation stress to a representative waveform; and processing means for determining the frequency dependant fundamental viscoelastic properties of the material based on the shape of a portion of the waveform. Preferably, the processing means includes a first dedicated processor for producing a digital representation of the waveform and a second general processor, such as an IBM compatible microcomputer for determining the fundamental viscoelastic properties from a portion of the digital representation. To facilitate automating the determination of the fundamental viscoelastic properties of the test material, the first processor examines the waveform and aborts the determination if the digital waveform is atypical of an expected waveform for a viscoelastic material subjected to a torsional stress. A method of determining the fundamental viscoelastic properties of a viscoelastic material includes the steps of imparting a torsional stress in a viscoelastic material;  measuring the relaxation of the torsional stress over time and converting the relaxation stress to a representative analog waveform; digitizing the representative analog waveform to produce a representative digital waveform; and, determining the frequency dependant fundamental viscoelastic properties of the material based on the shape of a portion of the representative digital waveform. To facilitate automating the method, the shape of the waveform may be analyzed to detect the start of a test, the end of the test, and whether the test is a valid test. Preferably, the fundamental viscoelastic properties of the test material are determined by converting the torque based amplitudes of the waveform to shear relaxation modulus values, such as by multiplying the torque amplitudes by the geometric form factor of the test material, and then by transforming the shear stress modulus values to frequency dependant fundamental viscoelastic properties through the known Yagii/Maekawa approximation.
Patent CA-2046755-C (CA)
Title: /2r/-2-[di/2-propyl/phosphonylmethoxy]-3-p-toluenesulfonyloxy-1-trimethylacetoxypropane, its preparation and use
Inventor: ALEXANDER PETR
IPC: C07F9/6561
Filed: 1991-07-11
Granted: 2002-02-12
Abstract: The invention relates to the new compound (2R)-2-[di(2-pro-pyl)phosphonylmethoxy]-3-p-toluenesulfonyloxy-1-trimethylacetoxy-propane and the method of producing it. The compound may be used for producing (S)-N-(3-hydroxy-2-phosphonylmethoxypropyl) deriva-tives of the heterocyclic purine and pyrimidine bases of antiviral activity.
Patent CA-2048569-C (CA)
Title: Double tank pinch trigger pump water gun
Inventor: D'ANDRADE BRUCE M
IPC: A63H33/30
Filed: 1991-08-07
Granted: 1993-01-05
Abstract: ABSTRACT OF THE DISCLOSURE    The present invention is directed toward a toy water gun which is operated by selectively releasing water from a water reservoir pressurized with air.  The present invention has a manually operated pump incorporated into the design.  As the pump is cycled, water and air is drawn from a water storage tank.  Once drawn, the water and air are forced into a pressure reservoir.  As the amount of water and air forced into the pressure reservoir increases, the pressure on the water within the pressure reservoir increases.  The pressure of the water and air within the pressure reservoir increases with each cycle of the pump, until the pump can no longer overcome the pressure of the water and air within the pressure tank.          The pressurized water and air within the pressure tank has an avenue of release that is regulated by the trigger mechanism of the invention.  When no force is applied to the trigger, the pressurized water and air are held at bay with no means of release.  When force is applied to the trigger, the water is first released from the pressurized container and is channeled through a narrow nozzle.  The escape of the water, under pressure, through the narrow nozzle creates a stream of propelled water that lasts as long as the trigger is engaged or until the air pressure propelling the water equals the ambient pressure.
Patent CA-2050330-C (CA)
Title: Electro-therapy apparatus
Inventor: MATTHEWS TONY
IPC: A61N1/34
Filed: 1990-03-02
Granted: 2001-05-15
Abstract: There is disclosed electro-therapy apparatus comprising at least two electrodes (22, 23) adapted to feed oscillating current to selected sites on or beneath the epidermal or mucous surface remote from a treatment site, A common return electrode (24) is provided at the treatment site which is subjected to the sum of the currents from the two feed electrodes. The feed electrodes may be contact feed electrodes or, as shown, capacitative feed electrodes. The feed electrodes may operate at different frequencies so that the treatment site is stimulated by the beat frequency. This may be at or about 80 or 130 Hz, if an anaesthetising effect is required.