baber/WOPTO huggingface dataset:
Patent CA-2120361-C (CA)
Inventor: SHIFLETT MARK BRANDON
IPC: C09K3/30
Filed: 1992-09-30
Granted: 2003-12-30
Abstract: Substantially constant boiling mixtures of difluoromethane and 1,1,1-trifluoroethane or perfluoroethane are useful as refri-gerants, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, and expansion agents for polym-ers.
Patent CA-2122712-C (CA)
Inventor: HUBER JOEL EDWARD
IPC: C07D277/20
Filed: 1992-12-04
Granted: 1999-09-21
Abstract: The present invention provides a method for making known pharmaceutical compounds. More particularly the present invention provides a new reduction method for making thiazolidinedione derivatives, particularly ciglitazone, pioglitazone, and englitazone. This reduction method comprises reacting a compound of formula (II) with a cobalt ion, a ligand and a reducing agent to achieve a compound of formula (I).
Patent CA-2124608-C (CA)
Inventor: BROWN STEPHANIE CAROL
IPC: B60C11/04
Filed: 1994-05-30
Granted: 2003-04-08
Abstract: A radial pneumatic light truck or automobile tire 40 having a tread 42 is described. The tread 42 has a base 43, a plurality of traction elements 52 extending radially outwardly from the base 43 and at least one circumferentially continuous wide groove 54,55. The wide groove 54,55 has a circumferentially continuous window 72 extending from the tread base 43 to the radially outer contacting surface 53. The window 72, when viewed in the ground contacting portion of the tread 42, has a shape that is triangular or trapezoidal having two sides 73,74 and a radially outer long base 75. The long base 75 has an axial width of 7% to 20% of the tread width. The wide groove 54,55 has a zig-zag portion 70 extending radially from the tread base 43 in a circumferentially continuous path. The sides 73,74 of the window 72 define the maximum axial extent or amplitude of the zig-zag portion 70 into the wide groove 54,55.        Preferably the tread 42 is asymmetrical and non-directional and has two wide grooves 54,55 dividing the plurality of traction elements into three zones 60,61,62, each zone having a different net-to-gross ratio.
Patent CA-2128511-C (CA)
Title: Monomeric and dimeric antibody-fragment fusion proteins
Inventor: PLUCKTHUN ANDREAS
IPC: C07K19/00
Filed: 1993-01-15
Granted: 2006-11-07
Abstract: The present invention describes a new class of antigen binding molecules which contain Fv-fragments of an antibody but do not use the constant antibody domains. They can also dimerize with other antibody fragment molecules or with non-antibody fragment molecules to form bi- or multifunctional antibody-fragment fusion proteins and so-called miniantibodies, respectively. The new fusion proteins can be used in the broad field of diagnostic and therapeutical medicine.
Patent CA-2129064-C (CA)
Inventor: CRAWMER DARYL E
IPC: B05B7/22
Filed: 1994-07-28
Granted: 1999-11-23
Abstract: An improved plasma arc spray gun performs with higher deposition efficiency and longer lasting anodes and cathodes than prior spray guns. The spray gun of the invention includes a housing made of a glass fiber reinforced TORLON material that remains dimensionally stable under all operating conditions. The anode of a relatively low velocity subsonic spray gun has an interior with five sections, two of which have cylindrical inner surfaces and three of which have frusto-conical surfaces. The cathode tip is carefully located within the anode interior such that the electrical arc between the anode and cathode attaches to the anode at a circular line at a junction of a cylindrical surface and a frusto-conical surface. Relatively high velocity subsonic versions of the plasma arc spray gun utilize anodes with three interior sections and streamlined passages for vortex stabilized flow of the primary gas. The primary gas flows in a vortex such that the point of attachment of the arc to the anode travels continuously along the circular line to reduce anode wear. The improved gas dynamics cools the cathode tip and thereby increases its service life.
Patent CA-2129172-C (CA)
Inventor: BRZEZINSKI RYSZARD
IPC: C12N9/24
Filed: 1994-07-29
Granted: 2002-01-01
Abstract: The present invention is for a method of chemically treating plant biomass with an enzyme system that retains function at low pH and high temperature. Enzyme preparations enriched in xylanase enzymes which retain activity in low pH and high temperature are described. Such preparations may be utilized in a crude unpurified form, and are especially useful in the production of pulp and paper.
Patent CA-2138708-C (CA)
Title: Reinforcing apparatus for a lever handle of a door lock
Inventor: GAO SHEEN-YOUL
IPC: E05B3/06
Filed: 1994-12-21
Granted: 1999-02-09
Abstract: A reinforcing apparatus for a lever handle of a door lock includes a housing fixed to a door and provided around a driving shaft of the door lock. The housing has a wall transverse to the driving shaft. The wall has a hole formed therethrough for passage of the driving shaft. A rotary member is mounted in the housing for rotating simultaneously with the driving shaft. The rotary member is sleeved on the driving shaft and has an engaging plate which projects axially from an outer peripheral edge thereof. A coiled spring is provided around the rotary member for biasing the rotary member to return and maintain the lever handle at its original unoperated position after the rotary member is rotated by the lever handle. The coiled spring has two legs extending radially outwardly to abut against the engaging plate. One of the legs is displaceable by the engaging plate. The housing further includes a stopping unit provided on the wall thereof. The stopping unit is aligned radially with and is located outwardly of the engaging plate when the lever handle is in the unoperated position. The other one of the legs is kept immobilized by the stopping unit when the rotary member rotates.
Patent CA-2144055-C (CA)
Inventor: THOMAS WAYNE ROBERT
IPC: C07K14/54
Filed: 1993-09-10
Granted: 1999-11-02
Abstract: L'invention concerne l'ADN isolé codant les allergènes de dermatophagoïdes (acariens de la poussière) en particulier des espèces Dermatophagoïdes farinae et Dermatophagoïdes pteronyssinus qui sont des allergènes protidiques ou des peptides comprenant au moins un épitope de l'allergène protidique. L'invention se rapporte, plus particulièrement à l'ADN codant les allergènes majeurs D. farinae, Der f I et Der f II et l'ADN codant les allergènes majeurs D. pteronyssinus, Der p I et Der p II. L'invention concerne également des protéines et des peptides codés par l'ADN isolé de D. farinae et D. pteronyssinus, dont les protéines contenant des polymorphismes séquentiels. De plus, les protéines ou peptides codés par l'ADN isolé, leur utilisation en tant que réactifs diagnostiques et thérapeutiques, des procédés de diagnostiques et de traitement de la sensibilité aux allergènes dudit acarien de la poussière, sont également décrits.
Patent CA-2144845-C (CA)
Inventor: WINICOV MURRAY W
IPC: A61K9/00
Filed: 1993-09-16
Granted: 2000-06-20
Abstract: L'invention concerne des compositions d'application germicides à base de détergent et d'iode, aqueuses, stables et des concentrés conçus pour être appliqués sur la peau d'un être humain ou d'un animal qui ont des rapports préférés détergent:iode compris entre 2 et 4,5. Les compositions et les concentrés comprennent un copolymère bloc (poloxamère) de polypropylène polyéthoxylé servant d'agent complexant. La fraction de polyoxypropylène possède une masse moléculaire moyenne d'au moins 2600 et une teneur en polyoxyéthylène d'environ 30 % à 75 % en poids, en combinaison avec 0,1 % `5 % en poids moyen d'iode disponible calculé sur une base nominale. L'utilisation de la classe définie de poloxamères permet des formulations à la fois de compositions et de concentrés stables, à haute et basse température. D'autres ingrédients tels que des émollients, des agents de tamponnement et des agents améliorant la viscosité peuvent également former une partie des compositions d'application et des concentrés.
Patent CA-2146997-C (CA)
Title: Amorphous silicas suitable for transparent toothpastes
Inventor: ALDCROFT DEREK
IPC: A61K8/00
Filed: 1993-10-26
Granted: 2000-10-17
Abstract: Amorphous silicas suitable for use as abrasives in transparent toothpastes can be prepared by a precipitation route. These silicas are distinguished by having a BET surfact area of 10 to 90 m2/g, a weight mean particle size of 5 to 15 micron, and a plastics abrasion value of 16 to 26 a transmission of at least 70 % in the RI range from 1.430 to 1.443 and an oil absorbtion in the range from about 70 to about 150 cm3/ 100 g.
Patent CA-2147947-C (CA)
Inventor: ZDRAHALA RICHARD J
IPC: A61F2/06
Filed: 1995-04-26
Granted: 2006-01-03
Abstract: A flexible implantable luminal device is disclosed, which is made from a porous cylindrical tube manufactured from extruded fluoropolymer. A fluoropolymer filament is wrapped helically around the external surface of the tube. The filament is fused to the tube to form a unitary composite structure by heating the wrapped tube to a temperature above the melting points of the fluoropolymers. The resulting composite is a radially reinforced flexible luminal prosthesis suitable for implantation, particularly, as a vascular graft or endoprosthesis. Also disclosed is a method for manufacturing the prosthesis.
Patent CA-2156237-C (CA)
Inventor: COLLINS RICHARD J
IPC: B22D11/04
Filed: 1995-08-16
Granted: 1999-12-07
Abstract: Disclosed is a system for providing a modular mold table for use in conjunction with a vertical non-ferrous metal casting apparatus. A plurality of longitudinal headers with a coolant passageway and transverse headers with a coolant passageway provide the mold table. A centralized water screen is provided to screen undesired inclusions in the coolant. Pre-cast modules which contain the mold cavities and other interconnections for coolant, oil and gas are operatively connected to the longitudinal headers and can be added or removed in building block fashion. Also disclosed is an oil delivery system and a gas delivery system wherein longitudinally oriented oil and gas passageways are included within the longitudinal headers.
Patent CA-2158275-C (CA)
Title: Taxanes having an amino substituted side-chain
Inventor: HOLTON ROBERT A
IPC: A61P35/00
Filed: 1994-03-21
Granted: 2005-05-31
Abstract: Taxanes having side-chain substituted by a group CONX8X10 wherein X8 is hydrogen, alkyl, alkenyl, alkynyl, aryl, heteroaryl, or heterosubstituted alkyl, alkenyl, alkynyl, aryl, heteroaryl, and X10 is alkyl, alkenyl, alkynyl, aryl, heteroaryl, or heterosubstituted alkyl, alkenyl, alkynyl, aryl, heteroaryl. The taxanes are useful anti-cancer and anti-leukemia agents.
Patent CA-2160487-C (CA)
Inventor: WANG LIXIAO
IPC: A61M29/02
Filed: 1994-10-20
Granted: 2003-09-23
Abstract: This invention is a balloon (14) and method of forming a balloon for a dilatation catheter (10) involving the steps of extruding a polyester resin tubing preform (12), then dry-ing the tubing preform (12) and then blow-ing the tubing (13) into an oriented balloon (14). During the step of blowing the tubing into the balloon the tubing (13) is placed in a mold (28) and blown by pressurizing and ten-sioning the tubing. The cone regions of the balloon (C)(D)(E)(F) and waist regions of the balloon (B)(C)(F)(G) are formed having a re-duced thickness because the axial tension and blowing pressure is selectively varied as a mold (28) containing the balloon (14), and is gradu-ally dipped into a heating medium (70) so as to sequentially blow a first waist (B)(C), a body (D)(E) and a second waist (F)(G). The blowing pressure is lower while the body portion (D)(E) is blown, than it is when either of the first or second waist portion (B)(C)(F)(G) is blown.
Patent CA-2163287-C (CA)
Inventor: KOCHANSKI GREGORY PETER
IPC: H04N21/472
Filed: 1995-11-20
Granted: 2000-02-01
Abstract: A method and system for providing programming on demand service to television subscribers. In a preferred embodiment, each group of viewers that requests a given program is coupled to a separate video "feed" of the program. Each individual feed shows the program at a different rate. In this manner a second group of viewers who begin viewing a program after a first group of viewers may "catch up" to the first group. Whenever such an "intersection" occurs, the groups are merged and view the remainder of the movie on a single feed. In this manner the total number of feeds to required to provide video on demand service to a large number of viewers is reduced.
Patent CA-2163701-C (CA)
Inventor: COUILLARD JEAN-GUY
IPC: E05B19/20
Filed: 1995-11-24
Granted: 1999-08-17
Abstract: A method and a tool for pulling open a locked door that is framed by frame members. The tool has ful-crum means adapted to bear against the frame members. The tool also has a lever adapted to cooperate with the fulcrum means while pulling on the door to open it. The lever transmits a pulling force to the door while the fulcrum means transmits a reactive force against the frame members so as to minimize damage to the door.
Patent CA-2172145-C (CA)
Inventor: JOSEL HANS-PETER
IPC: C12Q1/68
Filed: 1995-07-24
Granted: 2010-09-21
Abstract: The present invention concerns new metal complexes with a charged linker and their use as luminescent marker groups in an immunoassay.
Patent CA-2178884-C (CA)
Title: Free form fabrication of metallic components
Inventor: BURKETT ROBERT
IPC: B22F1/10
Filed: 1996-06-12
Granted: 2007-01-16
Abstract: A method of free form fabrication of metallic components, typically using computer aided design data, comprises selective laser binding and transient liquid sintering of blended powders. The powder blend includes a base metal alloy, a lower melting temperature alloy, and a polymer binder that constitutes approximately 5-15% of the total blend. A preform part is built up, layer-by-layer, by localized laser melting of the polymer constituent, which rapidly resolidifies to bind the metal particles. The binder is eliminated from the preform part by heating in a vacuum furnace at low atmospheric pressure. The preform part may require support during elimination of the polymer binder and subsequent densification by controlled heat treatment. Densification is performed at a temperature above the melting point of the lower temperature alloy but below the melting point of the base metal alloy to produce transient liquid sintering of the part to near full density with desired shape and dimensional tolerances. The densified part may be subjected to a final hot isostatic pressing (HIP) treatment to close residual porosity and complete the chemical homogenization of the part. Elimination of residual porosity improves fatigue properties of part, and homogenization improves ambient temperature ductility, toughness, and high temperature strength. An advantage of the process is rapid production of complex shaped metal prototypes and complete small batch production runs of high cost metal components without special tooling or machining operations.
Patent CA-2187561-C (CA)
Title: Surgical cassette loading and unloading system
Inventor: ZALESKI RICHARD L II
IPC: A61M1/00
Filed: 1996-10-10
Granted: 2002-01-15
Abstract: The present invention relates to a system for loading and unloading a surgical cassette having a peristaltic pump tube from a cassette receiving portion of a surgical console. The system is comprised of a peristaltic pump roller head having a flared and beveled notch, the roller head being located in the cassette receiving portion of the surgical console. An extendable cylinder within the cassette receiving portion of the surgical console is aligned so as to engage the peristaltic pump tube. A surgical console is also provided.  The console is comprised of a peristaltic pump roller head having a flared and beveled notch.  A cassette is provided having a peristaltic pump tube stretched over the peristaltic pump roller head. An extendable cylinder is aligned so as to engage the peristaltic pump tube.
Patent CA-2189694-C (CA)
Title: Sanitary napkin having a fluid pervious peripheral masking member
Inventor: OETJEN WENDY
IPC: A61F13/511
Filed: 1995-05-03
Granted: 2000-10-24
Abstract: A sanitary napkin having a periphery and including a fluid pervious topsheet, a fluid impervious backsheet joined to said topsheet and an absorbent core having a periphery positioned between said topsheet and said backsheet. The sanitary napkin also includes a fluid pervious masking member positioned between the topsheet and the absorbent core. The masking member is disposed along the periphery of the sanitary napkin and covers the periphery of the absorbent core.
Patent CA-2191798-C (CA)
Title: Rotary apparatus for cutting a food product
Inventor: JACKO MICHAEL S
IPC: B26D3/22
Filed: 1995-05-30
Granted: 2005-07-26
Abstract: An apparatus for cutting a food product is disclosed which utilizes a cuttin g wheel having a plurality of knives (38) extending between a hub (34) and a rim (36) in conjunction with other cutting knives to produc e a multi-dimensional cut of the food product. A circular knife (52) may be located upstream of the cutting plane defined by the cutti ng wheel such that the rotary knife longitudinally cuts the food product before it passes through the cutting plane. The apparatus according to the invention also utilizes separate drive motors for the feed conveyor and for the cutting wheel. In order to prevent deflection of deformation of the larger cutting wheel, a rim stabilizer (60) engages the cutting wheel rim to prevent any deflection of the rim which may cause deflection of the cutting knives as the cutting wheel rotates.
Patent CA-2195662-C (CA)
Title: Multi-beam tdma satellite mobile communications system
Inventor: HART NICHOLAS
IPC: H04B7/204
Filed: 1995-05-16
Granted: 2005-03-29
Abstract: An earth station (8) receives a return signal,(3) via more than one satellite link (4a, 4b) from a mobile terminal (2) using TDMA. The earth station (8) selects one or more of the satellite links (4a) for transmitting a forward signal (15) on the basis of the quality of signal (3; 15) received via each link. The earth section (8) allocates frequency channels to the mobile terminals (2) according to their location on the surface of the earth, so that the propagation time to and from those mobile terminals (2) which share the same frequency channel is approximately the same. The satellite (4a; 4b) includes an antenna which generates an array of beams which are individually pointed to fixed regions of the earth, until the elevation of the satellite (4a; 4b) relative to a fixed region falls below a minimum value, in which case the corresponding beam is redirected to a new area, while the other beams remain pointed at the corresponding fixed areas. In this way, beam-to-beam handover is reduced, while maintaining the boresight of the antenna pointing at the nadir.
Patent CA-2196010-C (CA)
Inventor: CHESIR AARON MICHAEL
IPC: H04L27/26
Filed: 1997-01-27
Granted: 1999-11-16
Abstract: An adaptive Infinite Impulse Response (IIR) filter is provided that can adaptively detect the presence of one or more tones in its input stream. The tones to be detected may be of arbitrary frequency, subject only to a limitation that such tones fall within a frequency band consistent with accepted sampling principles (e.g., a maximum frequency of interest no greater than one-half the sampling frequency -Nyquist sampling criteria). An IIR filter developed according to the method of the invention will adaptively locate the frequencies of tones to be detected, thereby allowing for frequency drift from nominal expected frequency values with no loss in accuracy. Such a filter will also process the input signal sample-by-sample, thereby avoiding the blocking problem of FFT-based filter approaches. With the filter of the invention, an application can identify the frequencies, associated power levels, SNR and duration of the tones. Thus, such an application can use a simple user specified library of tone parameters to decide if tones of interest are present in the input stream.
Patent CA-2196165-C (CA)
Inventor: CARPENTIER SOPHIE
IPC: A61L27/00
Filed: 1995-07-25
Granted: 2004-06-08
Abstract: A method for treating fixed biological tissue inhibits calcification of the biological tissue following implantation thereof in a mammalian body. The method includes placing the biological tissue in contact with glutaraldehyde and then heating the glutaraldehyde.      Alternatively, methods other than heating (e. g., chemical or mechanical means) , for effecting polymerization of the glutaraldehyde may also be utilized. Alternatively, the tissue may be heat treated prior to fixing thereof.      Alternatively, methods other than glutaraldehyde may also be used far fixing the tissue. The biological tissue may be so treated at any time prior to implantation thereof in a mammalian body.
Patent CA-2208460-C (CA)
Title: Frequency synchronized bidirectional radio system
Inventor: FULTON FORREST F
IPC: H04J3/06
Filed: 1995-12-21
Granted: 2004-11-02
Abstract: A bidirectional radio system for low cost high throughput accumulation of data from a large number of sites units (50). Frequency synchronisation is achieved at low cost by transmitting a hig accuracy carrier and clock signal at a base station (44), and using receiving circuitry at remote stations (46) to extract the base clock signal and base carrier frequency and a phase lock loop (242, 248, 254, 258) to stabilize the remote station carriers. A burst demodulator (156) at a base station receiver can decode a short remote station response by scaling the response with the phase and amplitude of an initial segment of the response. The burst demodulator (156) may continuously update the decoding threshold based on a comparison of the signal amplitude and the current value of the decoding threshold.
Patent CA-2210722-C (CA)
Inventor: TUUNANEN ARI
IPC: G01S5/14
Filed: 1996-01-19
Granted: 2007-01-09
Abstract: A method for determining the position of a feed beam (3a to 3c) of a rock drilling equipment so that first, the position of a base (1) of the rock drilling equipment relative to rock is determined in the general system of coordination and after that, the position of the feed beam (3a to 3c) relative to the base (1) is measured. Measuring devices (6a to 6c) fixedly mounted in the base (1) at a distance from one another and at least two measuring devices (9a to 9c, 10a to 10c) attached to the feed beam at a distance from one another at a predetermined position are used in the method, whereby at least some of the measuring devices comprise a transmitter and at least some a receiver, respectively. The position of the feed beam (3a to 3c) relative to the base is measured, for example, by using the propagation time of the oscillation energy transmitted by each transmitter to various receivers and by calculating on the basis of this the position of the measuring devices (9a to 9c, 10a to 10c) of the feed beam relative to the measuring devices (6a to 6c) mounted in the base (I) and based on this, by calculating the position of the feed beam relative to the base ( 1) and thus relative to the general coordination of the rock.
Patent CA-2211051-C (CA)
Inventor: HENNEMANN THOMAS L
IPC: D06F33/37
Filed: 1997-08-04
Granted: 2005-03-29
Abstract: A dispensing system for dispensing chemical products to a plurality of utilization points utilizes a multi-port valve to selectively deliver use dilutions from a mixing apparatus to selected utilization points.      The multi-port valve utilizes a position sensor to provide positive proof-of-delivery by detecting the angular position of a rotor relative to a stator in the valve. The position sensor includes opposing annular arrangements of detectable elements and proximity detectors which rotate relative to one another about a common axis in response to rotation of the rotor such that detectable elements are oriented in proximity to a unique combination of proximity detectors at each of a plurality of predetermined angular positions. As a result, unique codes are output from the proximity detectors to positively identify positioning of the rotor at the predetermined angular positions.