baber/WOPTO huggingface dataset:
Patent WO-2004019938-A1 (WO)
Inventor: HAN YONGXIN
IPC: C07D413/14
Filed: 2003-08-25
Abstract: This invention relates to compounds of formula (I) which are potent selective agonists of the EP4 subtype of prostaglandin E2 receptors, their use or a formulation thereof in the treatment of glaucoma and other conditions which are related to elevated intraocular pressure in the eye of a patient.
Patent CA-2002258-A1 (CA)
Title: Environmental stress failure resistant polycarbonate blend
Inventor: FARAH HANI
IPC: C08L67/00
Filed: 1989-11-06
Abstract: ABSTRACT         Environmental stress failure resistant and impact resistant polycarbonate blends are prepared from an aromatic polycarbonate, an aromatic polyester, and a copolymer of ethylene and carbon monoxide.  These blends exhibit high impact resistance, chemical resistance, temperature stability and excellent thermoplastic engineering properties, making them particularly suitable for producing molded plastic components for the automotive and electrical housing manufacturing industries.     37,149-F
Patent CA-2002539-A1 (CA)
Title: Apparatus for and method of controlling the opening and closing of channel for liquid
Inventor: TAKAGI YUSUKE
IPC: F16L55/103
Filed: 1989-11-08
Abstract: ABSTRACT OF THE DISCLOSURE:    An apparatus for controlling the opening and closing of a channel for a liquid is arranged such that a liquid channel is closed by causing a controller to control one heat absorbing and generating part of a cooling/heating element to execute heat absorption and cooling a heat transmitting element to solidify the liquid in the channel.          The apparatus is also arrangement such that the channel is opened first by causing the controller to control the same heat absorbing and generating part to execute heat generation and heating the heat transmitting element to melt the liquid solidified in the channel.  A method of controlling the opening and closing of a channel according to the invention includes the steps of: solidifying a liquid in a channel by cooling it from the outside to close the channel; and opening the channel thus closed by melting the liquid solidified in the channel by the application of heat.
Patent CA-2003930-A1 (CA)
Title: System and process for producing or treating cylindrical articles and apparatus employable therein
Inventor: MENGOTTI GIOVANNI
IPC: B26D7/06
Filed: 1989-11-27
Abstract: ABSTRACT OF THE DISCLOSURE           The production or treatment of articles, particularly cylindrical support cops, involves the transportation of the articles between an upstream station and a downstream station, with the speed of supply of the articles from the upstream station being greater than the speed of operation of the downstream station.  This is overcome by the provision of a plurality of the downstream stations.  Provided between the upstream station and the plurality of downstream stations is an article distributing system operable to distribute the articles to any of the plurality of downstream stations.  The distributing system is operated to selectively distribute the articles to the plurality of downstream stations as a function of the operating conditions thereof.
Patent CA-2004012-A1 (CA)
Title: Process for the preparation of pyridine-2, 3-dicarboxylic acid esters and novel 2-amino-3 halomaleic acid esters
Inventor: MEIER JOSEF
IPC: C07D213/803
Filed: 1989-11-28
Abstract: PROCESS FOR PREPARATION OF PYRIDINE-2, 3-DICARBOXYLIC ACID ESTERS     ABSTRACT OF THE DISCLOSURE The invention relates to a process for the preparation of pyridine-2,3-dicarboxylic acid esters using novel maleic acid esters as starting materials. In the process, in a first process step, 2,3-dihalomaleic acid esters are reacted with ammonia, or ammonium salts, with the exclusion of water at a temperature of at least 50°C to form novel 2-amino-3-halomaleic acid esters, and these are subsequently reacted further in a second process step with .alpha.,.beta.-unsaturated aldehydes, or ketones, in the presence of an acidic catalyst and acid-binding agents at a temperature of at least 50°C with heat being supplied until the pyridine-2,3-dicarboxylic acid esters have been formed. Pyridine-2,3-dicar-boxylic acid esters of this type can be used, for example, as intermediates for synthesis of herbicides based on imidazoline. The present invention also relatesto novel 2-amino-3-halomaleic acid esters, which are useful for producing the final product pyridine-2,3-dicarboxylic acid esters.
Patent CA-2008452-A1 (CA)
Inventor: PERRINGTON KENNETH J
IPC: C09J133/08
Filed: 1990-01-24
Abstract: Known adhesive compositions for edge-padding a stack of sets of collated sheets of carbonless copy paper have not provided both good fanout and good adhesion within individual sets unless used with carbonless copy paper of the company that supplies the adhesive.  This problem is here resolved by using a water-based adhesive composition that differs from those in current use simply by adjusting the amount and type of monohydric and polyhydric alcohol.  Best results are attained when the polyhydric alcohol is noncrystalline sorbitol.
Patent CA-2012090-A1 (CA)
Inventor: TAKANO HIROYUKI
IPC: A21D6/00
Filed: 1990-03-13
Abstract: A diploid hybrid bakers' yeast belonging to Saccharomyces cerevisiae having at least strong fermentative ability of non-sugar bread dough and strong freeze-resistance and frozen bread dough containing the same are provided.
Patent CA-2012445-A1 (CA)
Title: Azeotropic composition of 2,2-dichloro-1,1,1-trifluoroethane and methanol
Inventor: YELLOW JASMINE
IPC: C23G5/028
Filed: 1990-03-16
Abstract: TITLE              AZEOTROPIC COMPOSITION OF 2,2-DICHLORO-1,1,1-TRIFLUOROETHANE AND METUANOL                 ABSTRACT OF THE INVENTION         An azeotrope or azeotrope-like composition of 2,2-dichloro-1,1,1-trifluoroethane (HCFC-123) and methanol, the azeotropic mixture being useful in solvent cleaning application.
Patent CA-2013146-A1 (CA)
Title: Machine de pose automatique de joint souple en particulier d'un joint de fond vitrage ou d'un joint de parclose
Inventor: KAUTT JEAN-JACQUES
IPC: C09J7/02
Filed: 1990-03-27
Abstract: 14 . Titre : Machine de pose automatique de joint souple en particulier d'un joint de fond de vitrage ou d'un joint de parclose. Au nom de : Société dite : FERCO INTERNATIONAL USINE DE FERRURES DE BATIMENT L'invention concerne une machine pour la pose automatique de joint souple, en particulier d'un joint souple de fond de vitrage ou d'un joint de parclose, cette machine comportant une table de chargement, un dispositif de stockage du joint et un dispositif de pose et de découpe de ce dernier. Cette machine est remarquable en ce qu'elle comporte une tête de manipulation rotative par rapport au chariot de commande de déplacement dans le plan parallèle au plan parallèle de l'ouvrant et comprenant des moyens de guidage d'entraînement du joint, des moyens de coupe du joint et des moyens de pose du joint, ces moyens étant montés sur deux unités (10) et (30) pouvant être translatées vers le haut et vers le bas par rapport à une plaque support (52) montée pivotante selon un axe horizontal (53, 54) par rapport à un fût vertical tournant du chariot de commande . Cette machine permet la pose du joint de façon automatique, continue et dynamique sans arrêt entre les différentes opérations. Figure 2.
Patent CA-2019243-A1 (CA)
Title: Kneaded moldable resin composition
Inventor: SENUMA AKITAKA
IPC: C08L83/04
Filed: 1990-06-18
Abstract: ABSTRACT OF THE DISCLOSURE Heat kneading of an ethylene polymer and an organopolysiloxane is described 100 weight parts of an ethylene  polymer,  and  0.01  -  300  weight  parts  of  an organopolysiloxane expressed by the formula                (A) (where R1  is  an  aliphatic  unsaturated  group,  R2  is  a substituted or unsubstituted monovalent hydrocarbon group containing   no  aliphatic   unsaturated   group,   0<a<1, 0.5<b<3,  and  1<a+b<3)  are  heat-kneaded.    The  heat kneading  is  carried  out  at  a  temperature  Tp  (°C) satisfying  Tp<Tm+85  where  the  melting  point  of  the ethylene polymer is represented by Tm (°C).  The kneaded composition can be molded into films and tubes.
Patent CA-2019688-A1 (CA)
Title: Hydroformylation process
Inventor: BUNNING DONALD L
IPC: C07C27/22
Filed: 1990-06-22
Abstract: ABSTRACT OF THE INVENTION    An improved process for the rhodium-catalyzed hydroformylation of olefins to aldehydes is described.  The improvement provides a means for recovering valuable components in gaseous streams by scrubbing the streams with a stripped or cooled catalyst solution.
Patent CA-2020628-A1 (CA)
Title: Filters
Inventor: WAHL HANS-PETER
IPC: B22D43/00
Filed: 1990-07-06
Abstract: ABSTRACT     FILTERS          A filter for use in the filtration of molten metals comprises a ceramic foam having a gasket made from  fibrous  material  surrounding  its  peripheral surface and a metallic foil, such as aluminium foil, fixed  to  the  gasket,  for  example  by  means  of an adhesive, around the outer peripheral surface of the gasket.
Patent CA-2021865-A1 (CA)
Title: Multimedia telemeeting terminal device, terminal device system and manipulation method thereof
Inventor: MARUO SEIZI
IPC: H04N1/44
Filed: 1990-07-24
Abstract: ABSTRACT OF THE DISCLOSURE         In a telemeeting terminal for performing communication between remote locations by using multiple media, the other party of a meeting is identified in s display picture and thereafter switching to a picture for presenting and explaining materials (i.e., a principal picture of the meeting) is performed.          As a result, it is possible to keep materials used in the meeting secret.
Patent CA-2022069-A1 (CA)
Inventor: SHICHMAN DANIEL
IPC: A61B19/00
Filed: 1990-07-26
Abstract: A trocar penetration depth indicator has a first, inner housing including a first threaded section and longitudinally extending gripping fingers, and a second, outer housing including a camming surface and a second threaded section to engage the first threaded section. The first and second housings slidably mount onto a trocar tube and can be secured relative to the guide tube by rotatably tightening the housings to cause the gripping fingers to firmly grip the trocar tube. Depth penetration indicia is provided on the guide tube surface and sufficient guide tube grasping force is obtained to prevent the depth indicator from being dislodged during trocar insertion. A guide tube positioning device is provided to engage the penetration depth indicator and to secure the guide tube relative to the surrounding skin of the patient in order to prevent inadvertent withdrawal or further insertion of the trocar.
Patent CA-2022880-A1 (CA)
Title: Carboxylate compounds, liquid crystal compositions containing said compounds and liquid crystal element
Inventor: SHIMIZU TOYOZI
IPC: C09K19/32
Filed: 1990-08-08
Abstract: ABSTRACT         In accordance with the present invention,  there are provided carboxylate compounds represented by the following formula [A]       ...   [A] I  wherein R1  represents one group selected from the group consisting of alkyl group having 6 to 18 carbon atoms, alkoxy group having 6 to 18 carbon atoms and halogenated alkyl group of 6 to 18 carbon atoms, C* represents an asymmetric carbon atoms, and R2 represents a group represented by the following formula [B] or [C]     -(CH2)m-CH3                              ...  [B]           - (CH2)n-COOR3                           ...  [C]   wherein m represents an integer of 2 to 6, n represents an integer of 0 to 5, and R3 represents alkyl group having 1 to 10 carbon atoms or halogenated alkyl group having 1 to 10 carbon atoms.       In accordance with the present  invention,  moreover, there are provided liquid crystal compositions containing said carboxylate compounds represented by the above formula [A].
Patent CA-2023547-A1 (CA)
Title: Agrochemical compositions
Inventor: WARRINGTON ROGER P
IPC: A01N25/14
Filed: 1990-08-17
Abstract: ABSTRACT          AGROCHEMICAL COMPOSITIONS      A fungicidal, herbicidal or plant growth regulating composition for application to an aquatic environment, the composition comprising a solid carrier, a fungicidal, herbicidal or plant growth regulating active ingredient, and an oil with which the said active ingredient is miscible or in which it is capable of being dispersed, said oil being water-immiscible, having a specific gravity of less than 1 and a boiling point at atmospheric pressure of greater than 150°C.     The compostitions are particularly useful for application to a paddy-field to assist in the cultivation of rice.
Patent CA-2023859-A1 (CA)
Title: Deadbolt backset latch with interlock
Inventor: MAROTTO ROBERT A
IPC: E05B63/06
Filed: 1990-08-23
Abstract: ABSTRACT An adjustable deadbolt backset latch arrangement having a bolt train including a deadbolt in which the deadbolt is arrested by action of a turnable shuttle to permit backset adjustment of the latch arrangement.
Patent CA-2025301-A1 (CA)
Title: New n-aryl and n-heteroarylamide and urea derivatives as inhibitors of acyl coenzyme a: cholesterol acyl transferase
Inventor: MCCARTHY PETER A
IPC: C07C323/60
Filed: 1990-09-13
Abstract: Compounds of the formula (see formula I) the pharmaceutically acceptable salts thereof, wherein Q and R1 are as defined below, and novel carboxylic acid and acid halide intermediates used in the synthesis of such compounds. The compounds of formula I are inhibitors of acyl coenzyme A: cholesterol acyltransferase (ACAT) and are useful as hypolipidemic and antiatherosclerosis agents.
Patent CA-2026657-A1 (CA)
Inventor: FRANCES JEAN-MARC
IPC: C07F7/22
Filed: 1990-10-01
Abstract: Tin(IV) compounds optionally chelated, tetracoordinated or pentacoordinated, of general formula: 
<IMAGE>
 
<??>These compounds can be employed as latent catalysts for the preparation of polyurethane and for the crosslinking of organopolysiloxane composition after thermal decomposition within the reaction mixtures to be catalysed.
Patent CA-2028876-A1 (CA)
Title: Process for recovery of ammonia from an ammonia-containing gas mixture
Inventor: BIKSON BENJAMIN
IPC: B01D71/82
Filed: 1990-10-30
Abstract: PROCESS  FOR RECOVERY OF AMMONIA  FROM AN            AMMONIA-CONTAINING GAS MIXTURE               Abstract of the Invention Composite semipermeable membranes comprised of an extremely thin layer of a sulfonated polysulfone polymer coated on a porous support are useful in processes for the selective permeation of ammonia from a mixture of gases containing the ammonia component in admixture with other gaseous components.
Patent CA-2030797-A1 (CA)
Title: Integrated process for enhancing high octane ether production and olefin conversion in gasoline
Inventor: HARANDI MOHSEN N
IPC: C10L1/02
Filed: 1990-04-23
Abstract: INTEGRATED PROCESS FOR ENHANCING HIGH OCTANE ETHER   PRODUCTION AND OLEFIN  CONVERSION IN GASOLINE                          ABSTRACT     An integrated process is disclosed for converting C3+ and/or C4+ olefins to high octane ethers, alcohols and gasoline boiling range hydrocarbons. The invention incorporates C4+ tertiary olefin etherification with lower alkanol to produce lower alkyl tertiary alkyl ether in a first etherification step under mild conditions and linear olefins hydration and etherification using acidic catalyst in a second sequential step to produce additional high octane oxygenates.  Unreacted olefins are passed to an olefins conversion zone in contact with zeolite catalyst for conversion to gasoline, distillate or aromatics. The invention particularly comprises an integrated process for the conversion of hydrocarbon feedstock comprising C3-C4 olefins containing isobutylene to high octane alcohol and ethers, including MTBE and TAME.
Patent CA-2032501-A1 (CA)
Title: Sprayable composition
Inventor: NACHTMAN THOMAS
IPC: C09K17/52
Filed: 1990-05-10
Abstract: A sprayable composition and a method of protecting material with the composition is disclosed. The composition com-prises a polymer such as hydroxyethyl cellulose, clay, and water to provide a cover layer which, after spraying, is tough, flexible and water-repellent. Other materials such as shredded paper and gypsum can be used in the cover layer. The composition is effec-tive as a cover layer over material such as soil, refuse at a dump site, or grain in a stockpile. '
Patent CA-2034839-A1 (CA)
Title: Kwiksharp sharpener
Inventor: CUTHILL GORDON C
IPC: B24B3/54
Filed: 1991-01-24
Abstract: ABSTRACT OF THE DISCLOSURE     A devise for sharpening a cutting tool that comprises a sharpening devise housing that has two releasably joinable side portions. Each side portion contains a sharpening element seat that has a notch for holding the sharpening element. The seats end sharpening elements are arranged in a cross or V configuration so as to provide a recess for the tool to be sharpened. Each sharpening element can be rotated and inverted within its own seat or switched to the opposed seat to provide maximum sharpening element life.
Patent CA-2035186-A1 (CA)
Inventor: ZAID NAJIB H
IPC: A23L27/40
Filed: 1991-01-29
Abstract: Abstract of the Disclosure Additive compositions for sodium chloride are disclosed which minimize the tendency of certain aqueous salt brines to exhibit "yellow brine", or the presence of an unappealing yellow tinge or color. The additive compositions include from about 0.1 to 50% by weight ethylenediaminetetraacetic acid or its salts and from about 99.9 to 50% by weight alkali metal citrate, most preferably sodium citrate, or citric acid. The additives may be mixed with a preponderant quantity of sodium chloride to yield final salt mixtures, e.g., such mixtures contain from about 99.5 to 99.99% by weight sodium chloride, and correspondingly from about 0.01 to 0.5% by weight of additive.     (Docket No. 21242)
Patent CA-2038563-A1 (CA)
Title: Personal environment system
Inventor: TYCE RICHARD
IPC: F24F11/88
Filed: 1991-03-19
Abstract: ABSTRACT A personal environment unit comprises a housing having an air inlet and an air outlet, a diffuser in the air outlet for distributing air flowing therethrough, a heat exchanger for exchanging heat with air flowing between the air inlet and air outlet, a thermal fluid channel having a thermal fluid inlet port and a thermal fluid outlet port for connection to a thermal fluid reservoir, a heat pump located between said thermal fluid channel and said heat exchanger means, and a control unit for controlling the heat pump means to control the rate of supply of heat to, or withdrawal of heat from, the heat exchanger.  The unit gives the individual complete control over his personal environment.
Patent CA-2038934-A1 (CA)
Title: Anti-cancer compounds
Inventor: PATTERSON LAURENCE H
IPC: A61K31/22
Filed: 1990-10-12
Abstract: Compounds of formula (I)   in which R1, R2, R3 and R4 are each separately selected from hydrogen, X, NH-A-NHR and NH-A-N(0)R'R" wherein X is hydroxy, halogeno, amino, C1-4 alkoxy or C2-8 alkanoyloxy, A is a C2-4 alkylene group with a chain length between NH and NHR or N(0)R'R" of at least 2 carbon atoms and R, R' and R" are each separately selected from C1-4 alkyl groups and C2-4 hydroxyalkyl and C2-4 dihydroxyalkyl groups in which the carbon atom attached to the nitrogen atom does not carry a hydroxy group and no carbon atom is substituted by two hydroxy groups, or R' and R" together are a C2-6 alkylene group which with the nitrogen atom to which R' and R" are attached forms a heterocyclic group having 3 to 7 atoms in the ring, but with the proviso that at least one of R1 to R4 is a group NH-A-N(O)R'R", and physiologically acceptable salts thereof are of value in the treatment of cancer.
Patent CA-2040308-A1 (CA)
Title: Polymer melt distributor
Inventor: ABOUL-NASR OSMAN T
IPC: C08F6/26
Filed: 1991-04-12
Abstract: POLYMER MELT DISTRIBUTOR                 ABSTRACT OF THE DISCLOSURE           A horizontal polymer melt distributor comprises in combination a prism shaped distributor with a cooperating horizontal tray below the distributor.  Polymer melt flows into and expands in the distributor then overflows onto the tray.  This design holds the expanded polymer melt in the devolatilizer to reduce the content of monomer, dimers, trimers and residual oil in the polymer.
Patent CA-2040369-A1 (CA)
Inventor: MCDONALD ALEXANDER KENNETH
IPC: B22D15/00
Filed: 1991-04-12
Abstract: ABSTRACT     Camshafts A   method  of  producing  a  chilled  iron  camshaft   is described,  wherein  the iron has a white  iron  structure adjacent  chill inserts in a casting mould and a grey iron structure  in substantially all other regions remote  from the  chills. The method comprises the steps of  assembling a  sand casting mould having a camshaft shaped cavity  and also  having  chill  inserts adjacent the  cavity  regions where white  iron  is desired, preparing a  molten  metal charge  of  cast iron having a carbon equivalent lying  in the  range  from  3.3 to 3.85 wt%  and  adding  sufficient nucleant, prior  to  pouring to fill the mould  cavity  to ensure  that  undercooling  of residual  liquid  remaining after  solidification of the white iron structure adjacent the  chills  remains  above  the  iron-cementite  eutectic temperature prior to solidification into grey iron.
Patent CA-2043510-A1 (CA)
Title: Method for decreasing mobility of dense carbon dioxide in subterranean formations
Inventor: SCHIEVELBEIN VERNON H
IPC: C09K8/594
Filed: 1991-05-29
Abstract: (D#79,228-F) ABSTRACT    Oil recovery by carbon dioxide flooding is increased by adding surfactants to the carbon dioxide at high pressures such that an emulsion with water will be formed in the pore spaces of rock.  The emulsion diverts flow of carbon dioxide to rock containing higher oil saturations.          TXOCO10, CEC:onb, 6/5/90
Patent CA-2043900-A1 (CA)
Title: Heavy duty liquid detergent composition containing stabilized enzymes
Inventor: HESSEL JOHN F
IPC: C11D3/386
Filed: 1991-06-05
Abstract: ABSTRACT OF THE DISCLOSURE            This invention provides a liquid detergent composition comprising:             (a)  5-85% by weight of a surfactant selected from the group consisting of anionic, nonionic, cationic, ampholytic or zwitterionic surfactants and mixtures thereof;             (b)  an effective amount of enzyme; and (c)  an amount of protein containing quaternary nitrogen substituent sufficient to stabilize the enzyme from loss of activity.
Patent CA-2044513-A1 (CA)
Title: Image segmenting apparatus and methods
Inventor: BAIRD HENRY S
IPC: G06K9/20
Filed: 1991-06-13
Abstract: IMAGE SEGMENTING APPARATUS AND METHODS Abstract Apparatus and methods for producing segmentations of images which contain text. The general approach is to locate a first set of components which contain text characters, locate a second set of components which do not contain text characters, sort the second set using a characteristic shape, make a cover set from the sorted second set, and use the cover set to locate the portions of the image which contain text. An embodiment is disclosed in which the method is applied to texts employing the Manhattan layout to locate columns of text. In the embodiment, parts of the image which do not contain text are located by constructing maximum empty rectangles which do not contain characters. Based on the observation that columns in Manhattan layouts are separated by rectangles with a high aspect ratio, the maximum empty rectangles are sorted in a manner which favors such rectangles to produce the cover set. Also disclosed are methods for locating maximum empty rectangles defined by points and for locating maximum empty rectangles defined by rectangles containing characters.