baber/WOPTO huggingface dataset:
Patent CA-2042937-C (CA)
Title: Treatment of ocular hypertension with a synergistic combination
Inventor: UENO RYUJI
IPC: A61P27/02
Filed: 1991-05-21
Granted: 2002-04-30
Abstract: The present invention provides a pharmaceutical composition for the treatment of ocular hypertension which comprises an oculo-hypotensively synergistic combination of (a) a 13,14-dihydro-15-ketoprostaglandin compound, and (b) a .beta.-adrenergic blocker, in association with a pharmaceutically acceptable carrier, diluent or excipient.
Patent CA-2045697-C (CA)
Inventor: YATSUDA HIROMI
IPC: H03H9/05
Filed: 1991-06-26
Granted: 1996-03-05
Abstract: A  surface  acoustic  wave device  and  its  manufacturing method.  A surface acoustic wave device is used as filters  for VHF and UHF range signals, or resonators for VHF and UHF range, by driving the surface of a surface acoustic wave element  with applied  signal to electrodes, transmitting a surface  acoustic wave,  and  receiving  the surface  acoustic  wave  with  other electrodes.  In a configuration of a surface mount type surface acoustic  wave device where a surface acoustic wave element  is stored inside a package consisting of a base and a cover,  pads are attached on a surface of the base and the surface  acoustic wave element is fixed to the base by face down bonding.
Patent CA-2046199-C (CA)
Title: Cut-web tail edge holding means for web winding apparatus
Inventor: YAMAGUCHI CHOTARO
IPC: B65H19/26
Filed: 1991-07-04
Granted: 1996-07-09
Abstract: The invention provides a cut-tail edge holding means for a web winding apparatus, wherein a hook blade having a large number of hooks is mounted at fore side of a channel formed in the surface of a main winding drum.  Edges of the hooks  are  arranged  side  by  side  in a  rearward  looking pattern in the direction of rotation of the main winding drum.  Therefore, when the cutter blade of the web separator plunges into the channel and the web is torn in channel, the tail edge of the separated web is caught by the hook and held against the surface of the drum.
Patent CA-2047065-C (CA)
Title: Powder coating compositions containing copolymers having hydroxyl and carboxylic acid anhydride groups as binders
Inventor: WAMPRECHT CHRISTIAN
IPC: C09D201/06
Filed: 1991-07-15
Granted: 2001-09-11
Abstract: The present invention relates to powder coating compositions wherein the binder contains copolymers which are solid below 30°C, prepared from olefinically unsaturated compounds and have a weight-average molecular weight (M w) of 1500 to 75,000, a content of free hydroxyl groups of 0.2 to 6.0% by weight and a content of intramolecular carboxylic acid anhydride groups (calculated as C4H2O3) of 1 to 30% by weight.
Patent CA-2056908-C (CA)
Title: Light curing device power control system
Inventor: KENNEDY JOHN
IPC: A61C13/15
Filed: 1991-12-04
Granted: 2000-09-19
Abstract: This electrical system is for use in a portable hand-held battery  operated  light  curing  device.  The  system  includes  a microprocessor which is activated  by  the  battery  to provide a series of square wave signals to the light curing lamp such that the light  output of  the light  curing lamp  is constant over  a selected period of time. The system also provides a fast charging circuit for recharging the battery over a relatively short period of time.
Patent CA-2057612-C (CA)
Title: Selected peptides of the group-specific antigen (gag) of human immunodeficiency virus (hiv), the preparation and use thereof
Inventor: NIEDRIG MATTHIAS
IPC: C07K14/155
Filed: 1991-12-13
Granted: 2002-02-05
Abstract: The invention relates to selected peptides of the HIV gag protein and derivatives thereof which comprise at least one of the two peptide sequences NPGLLETSEGCAQ and AATLEEMMTA and are not larger than 50 amino acids.
Patent CA-2060795-C (CA)
Title: Rolling rack for skids and the like
Inventor: KONSTANT ANTHONY N
IPC: A47B46/00
Filed: 1992-02-06
Granted: 1996-12-31
Abstract: A rack having rolling carts that roll together one on top of the other. The second cart may define front and rear wheels that roll on outwardly facing tracks of the rails, while the first cart defines at least rear wheels that roll on inwardly facing tracks of the rails. Front wheels of the first cart may roll on the outwardly facing tracks, to make room for skid support means carried between a forward portion of the rails.
Patent CA-2068670-C (CA)
Title: Method for producing a particulate zeolite and a particulate zeolite produced thereby
Inventor: ISHIDA HIROSHI
IPC: C01B39/40
Filed: 1992-05-14
Granted: 1997-03-11
Abstract: Finely particulate Zeolites of the ZSM-5 family, exhibiting characteristic peaks in an X-ray powder diffraction pattern, are stably produced by a novel method in which a nucleating slurry containing semi-crystalline zeolite having a BET surface area of 100 to less than 250 m/g is mixed with a raw material mixture of silica, alumina and alkali metal sources to obtain a preliminary slurry, followed by heating to obtain a first precursory slurry mixture containing a precursory zeolite having a BET surface area of 100 to 200 m/g, and subsequently the first precursory slurry mixture is mixed with a raw material mixture as mentioned above to obtain a second precursory slurry, followed by heating to obtain a product slurry containing a finely particu-late zeolite having a BET surface area of at least 250 m/g.  In the method, the first precursory slurry mixture can be advantageously recycled and used as a nucleating slurry.  The zeolites are advantageously utilized as catalysts, for example, as a catalyst for hydration of olefins, and also as an adsorbent, a molecular sieve, an agent for soil improvement, a filler for paper and an agent for waste water treat-ment.
Patent CA-2068706-C (CA)
Title: Treatment of particulate material contaminated with polyhalogenated aromatics
Inventor: FOX ROBERT D
IPC: C02F11/18
Filed: 1992-05-14
Granted: 2003-03-25
Abstract: The specification discloses a method for the treatment of particulate material contaminated with polyhalogenated aromatic compounds (PHAs). The method includes vaporizing the PHAs from the material and dissolving the vaporized PHAs in a glycol-based solvent solution. The PHAs are then removed from the solution so that the glycol can be reused.
Patent CA-2070466-C (CA)
Title: Cog rake bar screen
Inventor: BOLTE ALLEN N
IPC: B01D29/01
Filed: 1992-06-04
Granted: 1998-04-07
Abstract: Apparatus for protecting the drive unit of waste water treatment equipment from being damaged in the event it should become submerged.   The apparatus has a shell formed of air impermeable material enclosing the drive unit with means to prevent entry of water when the shell is submerged while permitting communication between the interior of the shell and ambient air when the shell is not submerged.
Patent CA-2072631-C (CA)
Inventor: IGNAGNI MARIO B
IPC: G01C19/66
Filed: 1990-10-22
Granted: 2001-02-27
Abstract: Dans un gyromètre à laser annulaire à oscillations, un signal de référence d'oscillation est produit afin de fournir des informations représentatives de l'angle d'oscillation ou de la vitesse angulaire d'oscillation. Ces informations sont traitées par un processeur de signaux, afin de produire un signal de correction représentant la somme (i) d'une première fonction du signal de référence d'oscillation indiquant l'angle d'oscillation multiplié par un premier coefficient, et (ii) d'une seconde fonction du signal de référence d'oscillation indiquant la vitesse angulaire d'oscillation multipliée par un second coefficient. Le coefficient précité peut être soit sélectionné soit produit sur la base de données historiques dérivées du signal de référence d'oscillation, et du signal de sortie de détecteurs classiques. A son tour, le signal de correction est soustrait du signal de sortie du gyromètre à laser annulaire classique, afin de produire un signal de sortie de détecteur corrigé.
Patent CA-2080008-C (CA)
Title: Water-soluble mutein of fibroblast growth factor (fgf) receptor
Inventor: WATANABE TATSUYA
IPC: C12N1/21
Filed: 1991-04-25
Granted: 2002-07-02
Abstract: Disclosed are (1) a water-soluble mutein of an animal protein having activity as a receptor for a fibroblast growth factor (FGF) protein, (2) a recombinant DNA having a nucleotide sequence coding for the above water-soluble mutein, (3) a vector containing the above recombinant DNA, (4) a transformant transformed with the above vector, and (5) a process for producing the water-soluble mutein which comprises cultivating the above transformant in a culture medium, the mutein being useful as therapeutic agents or to enhance cell proliferation activity.
Patent CA-2083365-C (CA)
Inventor: HAMILTON DOUGLAS D
IPC: A01G23/081
Filed: 1992-11-19
Granted: 1998-11-17
Abstract: A  felling  head  having  a  combination  tree accumulator and abutment apparatus which eliminates the need for additional grapple arms to secure accumulated trees thus simplifying and lightening the felling head.
Patent CA-2084673-C (CA)
Title: 16 kda surface protein of p.falciparum
Inventor: SCHOENMAKERS JOHANNES G G
IPC: C07K19/00
Filed: 1991-06-01
Granted: 2002-07-30
Abstract: This invention relates to a 16 kDa surface protein capable of inducing an immune response protective against human mal-arial infection caused by Plasmodium falciparum, and to the cloning and expression of a gene encoding the said protein. The in-vention further relates to novel vaccines comprising the said protein and to their use in the vaccination of humans at risk from malaria.
Patent CA-2086607-C (CA)
Title: Rotary adsorption assembly
Inventor: PANZICA NICHOLAS JOHN
IPC: B01D53/06
Filed: 1991-07-02
Granted: 2000-10-31
Abstract: An apparatus (10) for adsorptive filtering of contaminants from a gaseous stream is provided. The apparatus (10) includes a frame member (12). The frame (12) includes a base member (16) which is rotatable about an axis (18). A plurality of walls (20) are attached to the base member (16) and extend axially thereform to a top member for providing a plurality of circumferential segments areas (22). The walls (20) include a radially inner side (24) for defining an axially extending inner chamber (26) and a radially outer side for defining an outer periphery (28). A plurality of adsorption elements (14), each having an axial first, side (32) and an axial second side (34), are axially spaced in each of said circumferential segment areas (22). A duct (36) or the like radially directs contaminated air into at least an entire one of the segment areas (22). The apparatus (10) has a duct (36) arrangement for directing a substantially radial flow of air into at least one of said segments (22) from the outer periphery (28) through the axial first side (32) of each of said adsorption elements (14) in generally an axial direction through the adsorption element (14) to exit the axial second side (34) and into said axially extending inner chamber (26) for exhausting decontaminated air out through the axial chamber (26). The present invention may also include a regenerative portion (46) which can regenerate the adsorptive elements (14) during operation of the apparatus (10). The regenerative portion (46) includes ducts (48 and 50) for supplying a heated regenerative air stream and a cooling air stream to strip contaminants from the adsorptive elements (14) and then cool them to a suitable adsorptive temperature.
Patent CA-2089664-C (CA)
Title: Method and electrical measuring apparatus for analyzing the impedance of the source of an actual alternating voltage
Inventor: ROSS GUY
IPC: G01R27/00
Filed: 1991-08-08
Granted: 1997-02-04
Abstract: A method and an electrical measur-ing apparatus (10) for analyzing an actual alternating voltage present on an electrical wire (11) or electrical equipment whereby to determine if the voltage originates from a high or low impedance source for the safety of the operator. A bi-impedance (12) probe is connected to the alternating voltage to be analyzed and the voltage signals are pro-cessed. The actual probe consists of a first series of uni-directional (13) elements and a second parallel series of high value resist-ance elements (14). The output of the paral-lel connected series of elements is connected to a third series of low value resistance ele-ments (15, 16, 18). A measuring circuit (17) is connected to the third series of low value resistance elements and is capable of discri-minating between the voltage signals from both of the series of resistive elements and is provided with a calculating circuit (28) to determine if the voltage signals originate from a high or low impedance source. The output of the probe is connected to ground (19). An indicator (32) indicates the condition of the impedance source. An alarm indicator (32) may indicate if a predetermined threshold value, representative of a low impedance source, is exceeded.
Patent CA-2096471-C (CA)
Title: Water soluble polymer dispersions
Inventor: MESSNER BERNFRIED
IPC: C08L101/00
Filed: 1993-05-18
Granted: 2003-11-11
Abstract: The invention relates to aqueous dispersions of water soluble polymers, formed by polymerization of a mixture A of various monomer components (al, a2, and possibly a3) in the presence of a polymeric dispersant D; wherewith the mixture A is comprised of the following different monomer components: a1 (in the amount of 99-70 wt.%), comprised of at least one water soluble monomer, a2 (in the amount of 1-30 wt.%), comprised of at least one hydrophobic monomer, and (possibly) a3 (in the amount of 0-20 wt.%), comprised of at least one amphipathic monomer, wherewith in each instance the sum of the amounts of a1, a2, and a3 is 100%; and wherewith the water soluble polymers have a mean molecular weight M W (gravimetric mean) of at least 10 6 Dalton.
Patent CA-2099147-C (CA)
Inventor: ENGEL KLAUS G
IPC: H01P1/12
Filed: 1993-06-25
Granted: 1995-07-18
Abstract: A radio frequency switch operates by permanent magnets located in a rotatable actuator. The permanent magnets of the actuator are arranged in groups so that there is at least one magnet in each group that has an opposite polarity to another magnet in the same group.  The permanent magnets within the same group are located adjacent to one another. Conductors within an RF cavity have permanent magnets mounted thereon where all of the magnets have the same polarity.  The switch can be moved from a first position to a second position by moving the actuator a distance not exceeding 40° and, preferably from 10° to 30°.  In the first position, one permanent magnet of one group interacts with the magnet on the conductor to move the conductor.  In the second position, another magnet of the same group interacts with the magnet of the conductor to move the conductor.  Since the actuator is moved a relatively short distance, the actuator can be moved by a relatively small step motor or the step motor can be replaced by electromagnets in some embodiments.  The detent required to hold the switch in a particular position can be provided by interaction between the magnets of the actuator and the magnets of the conductor.  The number of groups of magnets and the number of magnets in each group will vary depending on the type of switch.  C-switches, single-pole double-throw switches and T-switches are described.  Previous switches have actuators that move much more than 40° between positions, therefore requiring a larger, heavier and more expensive step motor or other mover.  Also, previous switches cannot switch as quickly from one position to another because of the distance that the actuator must travel.
Patent CA-2100769-C (CA)
Inventor: GOLDRICH ROBERT N
IPC: B23F9/10
Filed: 1991-09-03
Granted: 1995-03-14
Abstract: A method is disclosed wherein standard generating motions for the production of bevel and hypoid gears are modified by the substantially simultaneous inclusion of additional controlled motions which enable a desired tooth surface geometry to be produced on the gears. The additional motions comprise varying the position of intersecting of the theoretical generating gear axis (5) and the pitch plane and/or varying the orientation of the tooth surfaces (6) of the theoretical generating gear (4) with re-spect to the body of the theoretical generating gear. A CNC machine is preferably utilized for carrying out the inventive process. The inventive process is applicable to generating processes of both the face milling and face hobbing type.
Patent CA-2103400-C (CA)
Title: Abrasion resistant dental composition product and process
Inventor: LIU ANDREW T C
IPC: A61K6/896
Filed: 1993-11-18
Granted: 1998-08-25
Abstract: Dental composition,  product and process using a silicon containing abrasion resistant material.   The dental products formed are abrasion resistant and self-lubricating across their entire cross sections.  Dental compositions  useful  for  forming  dental  products  in accordance with the invention preferably includes an ethylenically unsaturated silane.   The composition is formed into a dental prosthesis, such as an artificial tooth, inlay, onlay, facing, crown or bridge.
Patent CA-2110094-C (CA)
Inventor: DUTT WILLIAM MARK
IPC: B32B27/32
Filed: 1993-11-26
Granted: 2004-02-24
Abstract: A multilayer stretch wraps film having one cling surface and one noncling surface, the noncling surface capable of providing a slip property when the noncling surface is in contact with a like surface of itself with relative motion therebetween.  The stretch wrap film includes a cling layer comprising a linear low density copolymer of ethylene and a minor amount of at least one alpha olefin having from 4 to 10 carbon atoms, the linear low density copolymer containing from about 3.5 to about 15 weight percent n-hexane extractibles and a noncling layer comprising a high density polyethylene, wherein the n-hexane extractibles of the linear low density copolymer are present in an amount sufficient to cause the stretch wrap film to exert a cling force when in surface-to-surface contact with itself or the noncling surface, in the substantial absence of a cling additive, when the film is used in the stretch overwrap packaging of articles.
Patent CA-2110701-C (CA)
Inventor: BERLAIMONT CLAUDE
IPC: F24H9/02
Filed: 1993-04-13
Granted: 1999-07-20
Abstract: A housing for a heat source, particularly heating elements (4), hot liquid-containing tanks, radiators and the like, including a thin wall (5) at least partially screening the heat source from the outside and being based on a polymeric material having high rigidity and high deformation resistance at temperatures over 100  C. Said polymeric material has low infrared absorption at wavelengths corresponding to brightness temperatures of 200-500  C.
Patent CA-2112437-C (CA)
Inventor: PEROTTO RICHARD D
IPC: E02F3/36
Filed: 1993-12-24
Granted: 1997-03-04
Abstract: A quick coupling device adapted for mounting a tool to a boom of a carrier includes a coupling structure defining at least one notch and a cam assembly.   The cam assembly includes a channel having an open end and a seating wall.   The cam assembly is rotatable between an open position and a closed position to facilitate installation, locking and release of the tool from the boom.  To lock the tool to the boom, the cam assembly is rotated until the seating wall engages a tool mounting pin received in the channel to effect a firm gripping of the pins.
Patent CA-2113871-C (CA)
Title: A strain of streptomyces lavendofoliae dkrs and a method for producing aclacinomycins a,b,y and aglycones using the same
Inventor: CHO WON T
IPC: C12N15/09
Filed: 1994-01-20
Granted: 2000-01-18
Abstract: Disclosed herein are a novel strain of Streptomyces and a method for the production of aclacinomycins A, B, Y and aglycone thereof by cultivating the same.      Streptomyces lavendofoliae DKRS (KCTC 0092BP) of the present invention is capable of producing aclacinomycins A, B, Y and aglycone with higher yield. Further, it is possible to selectively produce aclacinomycin A or Y by adjusting pH of the cultured broth of Streptomyces lavendofoliae DKRS to 4.4 or 4.6 with acetate buffer or hydrochloric acid, respectively.
Patent CA-2116216-C (CA)
Inventor: MOSER ALFRED
IPC: C21D9/04
Filed: 1993-07-09
Granted: 2001-09-18
Abstract: A method for the thermal treatment of rails, in particular of the rail head, in which cooling is carried out in a cooling agent that contains a synthetic cooling agent additive, and starting at temperatures above 720°C. The treatment is carried out by immersion in the cooling agent until withdrawal of the immersed areas occurs, at a surface temperature between 450 and 550°C which results without temperature equalization across the entire cross-section, thereby avoiding hardening of the rail web whilst maintaining an optimal cooling rate for the rail head.
Patent CA-2120393-C (CA)
Inventor: HUANG BRIGHT
IPC: H01H13/702
Filed: 1994-03-31
Granted: 1999-08-24
Abstract: A method for making a membrane switch assembly, which integrates the conducting wire of X-axis and of Y-axis are integrated into a single membrane.  It comprises the steps of 1) printing silver net onto a base membrane to form a plurality of loop; 2) applying layer of anti-oxidant to said silver net; 3) applying layer of isolating treatment layer to said anti-oxidant layer; and 4) applying carbon treatment layer to said isolating treatment layer.
Patent CA-2123000-C (CA)
Title: Vapour absorbent compositions
Inventor: ATKINSON STEPHEN
IPC: F25B15/00
Filed: 1992-11-05
Granted: 2004-08-03
Abstract: An absorbent for use in absorption refrigeration systems, air conditioning systems, heat pumps or dehumidifiers comprising a solution of potassium formats. The absorbent is relatively non-toxic and relatively non-corrosive towards metals. The absorbent is generally water-based but may also comprise ammonia or methanol.  Additives such as corrosion inhibitors or other absorbent salts may be included.
Patent CA-2132498-C (CA)
Inventor: KURITA KAZUHITO
IPC: G11B17/04
Filed: 1994-09-20
Granted: 2002-08-13
Abstract: An eject mechanism of a recording and/or reproducing apparatus using a cartridge accommodating a recording medium, such as a disc cartridge includes a cartridge holder, an eject lever and a lock mechanism. The cartridge holder is attached to a base member so as to become rotatable between a first position and a second position lower than the first position. The cartridge holder loads thereunto the cartridge and holds the inserted cartridge. The eject lever is attached to the cartridge holder so that it can be freely moved. The eject lever is engaged with the cartridge inserted into the cartridge holder and moved in unison with the inserted cartridge. The lock mechanism restricts the eject lever from moving in a disc cartridge eject direction under the condition that insertion of the cartridge into the cartridge holder is finished and releases a restricted movement of the eject lever in the disc cartridge eject direction when the cartridge holder is rotated from the second position to the first position.
Patent CA-2133630-C (CA)
Title: Method and apparatus for screening waste paper pulp
Inventor: EGUCHI MASAKAZU
IPC: D21B1/32
Filed: 1994-10-04
Granted: 1998-03-31
Abstract: METHOD AND APPARATUS FOR SCREENING WASTE PAPER PULP            ABSTRACT OF THE DISCLOSURE Waste paper stock pulp slurry supplied through a stock inlet is separated at screening-sections to a high quality stock and a reject containing contaminants and undefibered waste paper.  The high quality stock is sent to a next stage as accept.  The reject is sent to a defibering section and is diluted after defibration, part of the reject being circulated to the screening sections, the remainder being discharged out of the system through a reject outlet.  Provision of screening and defibering sections in one and the same screen can satisfy contradictory requirements, i.e., to increase contaminant removing efficiency, to raise production yield and to attain space- and cost-saving.