baber/WOPTO huggingface dataset:
Patent CA-2024669-A1 (CA)
Title: Sequential injection foam process for enhanced oil recovery
Inventor: WALL ROBERT G
IPC: E21B43/24
Filed: 1990-09-05
Abstract: ABSTRACT      This invention provides a method for enhanced oil recovery which comprises two steps.  In the first step, an oil-mobilizing agent comprising (a) a gas and an alkyl aromatic sulfonate or (b) an organic solvent is injected into the reservoir formation sufficient to reduce the oil concentration in at least a portion of the formation.  Then in the second injection, steam and an oil-sensitive surfactant effective in forming a steam blocking foam in formations of lower oil concentration.  Preferred oil-sensitive surfactants are alpha-olefin sulfonate dimer or alpha-olefin sulfonate surfactants used to form a foam in the oil depleted portions of the formation and to assist the movement of steam and hydrocarbons through the higher oil concentration portions of the formation.  The stepwise enhanced recovery method of this invention provides increased efficiency by moving the higher concentration of oil through the formation with an organic solvent or with an alkyl aromatic sulfonate, then moving the lower concentrations of oil through the formation with the steam foam comprising alpha-olefin sulfonate dimer or alpha-olefin sulfonate surfactants.
Patent CA-2026636-A1 (CA)
Title: Unsaturated polyester resin compositions containing compatible compounds
Inventor: ROSS LOUIS R
IPC: C08L71/02
Filed: 1990-10-01
Abstract: UNSATURATED POLYESTER RESIN COMPOSITIONS    CONTAINING COMPATIBLE COMPOUNDS                 ABSTRACT OF THE DISCLOSURE A sheet molding composition is disclosed which includes R four component resinous system which comprises (a) an unsaturated polyester comprising a polycondensation product of one or more dihydric alcohols and one or more ethylenically unsaturated polycarboxylic acids; (b) one or more low-profile additives which are thermoplastic polymers which cause phase separation and porosity during the curing reaction; (c) one or more olefinically unsaturated monomers which copolymerize with the unsaturated polyester; and, (d) one or more compatible components comprising at least one compound containing one or more polyoxyethane substituents. The compatible components remain compatible when the polyester and monomer cure and impart improved surface characteristics when added to low-profile resin systems.
Patent CA-2027967-A1 (CA)
Title: Method of and apparatus for protecting downhole equipment
Inventor: TAYLOR WILLIAM M
IPC: E21B33/04
Filed: 1990-10-18
Abstract: Abstract of the Disclosure A method and apparatus for the protection of downhole equipment from excessive pressure conditions which includes providing structures of volume compensating material which are designed to resist normal pressures expected in the well bore.   One form of the invention has a plurality of half sections of volume compensating material positioned around one of the tubular member in the annulus which has fluids that can increase in pressure to a point approaching damage to the interior or exterior member of the annulus.   In another application a resilient seal includes a recess into which a ring of volume compensating material is placed to allow a place  for  fluids to  flow  when  they  are  subjected  to overpressure conditions.
Patent CA-2027968-A1 (CA)
Inventor: LAM CLIVE C
IPC: G01N27/90
Filed: 1990-10-18
Abstract: A method and apparatus for determining the extent of defects in tubular elements for use in an oil or gas well is disclosed. The apparatus includes an electromagnetic or other suitable inspection device, cooperating with longitudinal and circumferential position detectors for determining the position and configuration of all defects within a tubular member.      Signal generating means are provided for producing signals corresponding to the configuration, longitudinal position, and circumferential position of the defects located within the wall of the tubular member. The signals are processed, preferably by a computer, so that the presence, nature, and precise location of each defect is determined and visually displayed at a suitable display means. Display means are provided for generating a two-dimensional visual display wherein the circumferential and longitudinal positions of the defects are selectably displayed.
Patent CA-2029204-A1 (CA)
Title: Schirmer i tear test
Inventor: GIN JERRY
IPC: A61B10/00
Filed: 1990-11-02
Abstract: An improved Schirmer I Tear Test is provided. The improvement comprises a strip having a graduated migration scale printed an the test strip and the presence of a water soluble marker dye that comigrates with the tear migration front. Both improvements serve to increase the reproducibility of the test and ease which with the results are read.
Patent CA-2029368-A1 (CA)
Inventor: GAZDAG MARIA
IPC: A61K9/00
Filed: 1990-11-06
Abstract: The invention relates to novel, parenterally useful, stable aqueous pharmaceutical compositions, mainly injectable solutions containing a bis-indole alkaloid. The compositions contain the zinc complex of a bis-indole alkaloid, preferably vincristine, vinblastine or 5'-nor-dihydrovinblastine together with a bivalent metal gluconate and a preserving agent dissolved in a mono- or polyhydric alcohol. The invention further relates to a process for the preparation of the above compositions. The composition according to the invention can be utilized for the parenteral administration of bis-indole alkaloids in the cancer chemotherapy.
Patent CA-2030289-A1 (CA)
Title: Mascara composition having very small particles
Inventor: ROBERTSON SHARON
IPC: A61K8/25
Filed: 1990-11-19
Abstract: ABSTRACT A novel mascara composition is disclosed. The composition comprises: (a) an effective amount of water; (b) an effective amount of microsphere particles selected from the group consisting of silica beads, polymethylmethacrylate beads, and combinations thereof; and (c) an effective amount of a water dispersible, high molecular weight, amorphous anionic polyester polymer having an approximate molecular weight, Mn, of about 14,000 to about 16,000 and a melt viscosity at 200°C of about 2000 to about 42,000 poise as measured with a Sieglaff-McKelvey Capillary Rheometer, 100 sec-1 shear rate.            The polyester polymer is added to the mascara composition as a water dispersion having a solids content of not more than about 40% by weight of the dispersion.            Preferred mascara compositions contain silica beads, polymethylmethacrylate beads and an effective amount of the emulsifier C12-C15 alcohols benzoate.
Patent CA-2031815-A1 (CA)
Title: Spark plug assembly for internal combustion engine
Inventor: PENNEY KEITH A
IPC: F02P13/00
Filed: 1990-12-07
Abstract: C-4232 (G-5454) SPARK PLUG ASSEMBLY FOR INTERNAL COMBUSTION ENGINE            Abstract of the Disclosure An internal combustion engine includes a cylinder head and a spark plug assembly adapted to be received in a cylinder head bore.  The spark plug assembly includes a metal ground electrode element having an annulus disposed on a transverse annular seat of the cylinder head bore and a ground side electrode extending from the annulus.  The ground side electrode is received in an axial slot of the cylinder head bore between the seat and a cylinder head inner wall and protrudes into the combustion chamber.  The orientation of the ground electrode relative to the cylinder head, and thus to the geometry of the combustion chamber, is established by the circumferential location of the axial slot relative to the bore.  The spark plug assembly also includes a center electrode element having a center electrode and surrounding insulator body.  The insulator body includes a shoulder that is clamped against the ground electrode annulus on the seat by a spanner retainer nut threaded into the cylinder head bore about the insulator body.  The ground electrode element and the center electrode element are thereby secured in position in the cylinder head bore.
Patent CA-2035789-A1 (CA)
Title: Cosmetic composition
Inventor: HAGAN DESMOND B
IPC: A61K8/00
Filed: 1991-02-06
Abstract: Abstract of the Disclosure The invention concerns 2-hydroxyalkenoic acids within a general formula   where R' is chosen from:   a.  CWH2w, b.   CyH2y-1, and c. CyH2yOZ   where Z is chosen from H, R" and (CH2)nOR"            R" is chosen from CmH2m+1 and (CH2)nOCmH2m+1;        W is an integer of from 1 to 25 y is an integer of from 2 to 25 m is an integer of from 1 to 4 n is an integer of from 1 to 6 Many compounds within the formula are novel and are claimed as such.  The invention also provides a process for making the compounds, and compositions for topical application to human skin, hair or nails which contain compounds of the above formula and a cosmetically acceptable vehicle.
Patent CA-2039641-A1 (CA)
Inventor: GENREITH HANS
IPC: F16K3/18
Filed: 1991-04-03
Abstract: Double-plate gate valve, whose gate plate (16) can be displaced by an operating rod (22) and is provided with a pipe bridge (23) which has two sealing rings (24, 25) which are connected to one another by means of a compensator (26) and can be pressed against the sealing seats (14, 15) of the gate valve housing (11) in the open position of the gate valve (10), subject to elastic pretensioning, the compensator (26) consisting of an inner pipe section (27) and an outer pipe section (28) which extends coaxially thereto. The outer pipe section (28) is fixedly connected, especially welded, to both sealing rings (24, 25). In addition, it has a recess (31) extending over the circumference. The inner pipe section (27) is fixedly connected to only one (25) of the two sealing rings and can move axially with respect to the other (24) sealing ring. A gas pressure, which is greater than the pressure in the gate valve passage when the gate valve is in the open position, can be set within the gate valve housing (11). 
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Patent CA-2042970-A1 (CA)
Title: Surface treated al or al alloy material
Inventor: AONO MASAMICHI
IPC: C23C22/78
Filed: 1991-05-21
Abstract: Surface-treated Al or Al alloy materials which excel in adhesive  property,  formability,  weldability,  phosphatability, paint  adhesion,  and  post-painting  corrosion  resistance  are provided by forming a coated layer containing Zn and Fe or one or more of Si  oxides,  Al  oxides and Al  hydroxides together therewith,  on  the  surface  of  Al  or  Al  alloy  base.  The surface-treated  Al  or  Al  alloy  materials  are  useful  as metallic material to be painted and used after press forming and other processing,  spot or laser welding and phosphating, including  panel  materials  for automobiles  and other various vehicles,  shells  for  housefold  electrical  apparatus,  and building materials.
Patent CA-2043537-A1 (CA)
Inventor: BURGDORF MARTEN
IPC: B65D1/12
Filed: 1991-05-30
Abstract: ABSTRACT An adapter for positioning a drum with a bunghole in an inverted position, when draining residue from the drum.  The adapter is fastened off-center to the upper end of the drum and holds the inverted drum in tilted position on the drainage support.
Patent CA-2044731-A1 (CA)
Inventor: RENDALL JOHN S
IPC: C25C3/28
Filed: 1991-06-17
Abstract: A method for the extraction of valuable minerals and precious metals from oil sands ore bodies or other related ore bodies that is synergistically unique in the arrangement of processes for production of valuable minerals and precious metals in an economically and environmentally acceptable manner. The oil sands ores from oil sands ore bodies and other related ores from other related ore bodies including overburden and interburden mineral ores are crushed, the hydrocarbons, if any exists in worthwhile quantities, are recovered and the resulting coarse sands, other related ores and fines streams are processed in a definite sequence using known processes to recover the valuable minerals and precious metals values.  All reactants and reagents, including water, are recycled in the method and tailings ponds are not required.  Heat recovery is used extensively to cogenerate almost all of the process steam and process electrical requirements for the method.  The spent damp coarse sands and spent damp fines are stockpiled and/or returned to the mine.
Patent CA-2047348-A1 (CA)
Inventor: BURNY GILBERT
IPC: G09B9/12
Filed: 1991-07-18
Abstract: Simulateur d'avion et moteur électrique convenant à ce simulateur. 1. Simulateur d'avion comprenant, dans un bâti, un système de commande de gouvernes avec des commandes manuelles (1, 17) accessibles à un pilote, un calculateur de bord (16) simulant des conditions de vol, au moins un dispositif simulant, au niveau des commandes manuelles, des réactions de gouvernes de commande qui, en réalité, seraient actionnés par les commandes manuelles, et des dispositifs (8, 18) sensible; à la position des commandes manuelles (1, 17), envoyant des signaux d'information vers le calculateur de bord (16), dans lequel un moteur électrique à bobine mobile (14) est constitué par un enroulement plat guidé dans les entrefers d'un circuit magnétique (19, 20), dans lequel un générateur de courant, commande par le calculateur de bord (16), alimente l'enroulement plat de la bobine mobile (14), et dans lequel un système ou élément mécanique (2 à 13), capable de transmettre un effort de poussée ou de traction relie la bobine mobile (14) à une des commandes manuelles (1).
Patent CA-2048352-A1 (CA)
Title: Antistain composition of nylon-cationic dye modifier copolymers melt blended with high carbon nylons
Inventor: WINDLEY WILLIAM T
IPC: C08L77/00
Filed: 1991-08-02
Abstract: Blends of nylon 6,6, nylon 6 or nylon 6,6/6 copolymer which contain a randomly copolymerized cationic dye modifier are formed by melt blending such copolymer with a polyamide having 8 to 22 carbon atoms per amide link to farm a composition which is resistant to staining with acid dyes under ambient temperature and pH conditions.
Patent CA-2050834-A1 (CA)
Inventor: BRELSFORD DAVID P
IPC: G06F12/10
Filed: 1991-09-06
Abstract: A method and apparatus for providing common access to data  spaces  by  a  plurality  of  virtual  machine  guests emulated on a host computer system.  A token received from a given one of the virtual machine guests is used to identify a particular host data space.  The guest also supplies an offset.  The offset and the identified host data space are then used to derive a host absolute address representative of a data location in the host data space.
Patent CA-2051284-A1 (CA)
IPC: H01M8/06
Filed: 1991-09-13
Abstract: The power generation system includes a reformer and two fuel cell stacks.  The reformer and the fuel cell stack are provided in series.  Fuel gas produced by the reformer is introduced to a first anode of the first fuel cell stack.          Gases discharged from the first anode are directly introduced to a second anode of the second fuel cell stack.  Air is introduced to a first cathode of the first fuel cell stack.          Gases discharged from the first cathode are cooled by a cooling device and then introduced to a second cathode of the second fuel cell stack.  Gases discharged from the second anode and gases discharged from the second cathode are introduced to a heating chamber of the reformer.  Gases discharged from the heating chamber are introduced to a steam generator to produce steam used for reformation and then recirculated to the first cathode.
Patent CA-2055232-A1 (CA)
Title: Bottle and filter
Inventor: CHARBONNEAU GUY L
IPC: B65D23/10
Filed: 1991-11-08
Abstract: A water dispenser supports a bottle having a filter neck accommodating a water filter and a fill neck closed with a cap equipped with a water refill counter. The cap can be removed from the fill neck to allow the bottle to be filled with water without removing the filter from the filter neck. The filter neck has a plurality of inwardly directed projections that are engaged by the filter to position the filter in the filter neck and prevent the filter from being pushed into the chamber of the bottle. A ring having an air bleed hole mounted on the filter neck engages the filter to retain the filter on the filter neck.
Patent CA-2056072-A1 (CA)
Inventor: SORTON GERARD
IPC: H04L12/70
Filed: 1991-11-22
Abstract: ABRÉGÉ DESCRIPTIF Dispositif pour la transmission d'informations synchrones par un réseau asynchrone, notamment un réseau ATM Dans un tel dispositif, les informations sont véhiculées par paquets de bits de données entre un organe émetteur et un organe récepteur, chacun de ces paquets étant formé d'une cellule d'information comprenant d'une part un en-tête porteur d'une adresse et d'autre part un champ utile porteur de l'information à transmettre, l'organe émetteur et l'organe récepteur fonctionnant entre eux en mode synchrone sur la base d'horloges locales respectives plésiochrones. Selon l'invention, le dispositif comporte: -des moyens (15) pour détecter et compenser des éva nouissement longs de transmission du flux de cellules d'information reçu par l'organe récepteur, -des moyens (16) pour détecter et compenser la perte ou l'insertion de cellules dans le flux de cellules d'information reçu par l'organe récepteur, et -des moyens (17) pour réduire la gigue introduite par la transmission asynchrone des informations dans le réseau et pour compenser le plésiochronisme relatif des horloges locales de l'organe émetteur et de l'organe récepteur. (Figure 5)
Patent CA-2060062-A1 (CA)
Inventor: DOTSON MARK D
IPC: B42D15/00
Filed: 1992-01-27
Abstract: A document is provided having a solvent sensitive and/or pressure sensitive ink printed thereon which reacts to the application of a solvent and/or pressure to form a visible stain or image.  The ink includes a first composition of solvent soluble, water insoluble dye particles, a binder, and optionally, an opacifier. Alternatively, the first composition may be combined with a second composition which includes an encapsulated solvent and optionally a stilting material.  The first and second compositions may be printed on the document in separate steps or printed together as a self-contained composition.  The ink may be printed on the entire surface of the document or only on selected areas thereof.
Patent CA-2065160-A1 (CA)
Title: In situ production of silicon carbide reinforced ceramic composites
Inventor: DAS CHAKLADER ASOKE C
IPC: C04B35/185
Filed: 1990-09-14
Abstract: ABSTRACT OF THE DISCLOSURE             A method of producing ceramic composites of A1203 reinforced by shaped SiC particles preferably shaped as fine particles (random), platelets, whiskers or fibers by in situ production of SiC particles by heating a mixture of carbon particles of the desired shaped with silicates of A1203 to a temperature above 1500°C, convert the silicates and carbon to A1203 and SiC to produce in situ SiC particles of the desired shaped and provide a ceramic powder that may be densified by techniques such as hot pressing isostatic pressing or sintering.
Patent CA-2066984-A1 (CA)
Inventor: VASSEUR STELLA
IPC: C22F1/10
Filed: 1992-04-24
Abstract: BREVET D'INVENTION ALLIAGE POUR CENTRIFUGEUR DE FIBRES DE VERRE. Déposant : ISOVER SAINT-GOBAIN Inventeur : Stella VASSEUR L'invention concerne un alliage à base de nickel entrant dans la constitution d'un centrifugeur pour fibres de verre. Sa composition contient, en particulier, les éléments chrome, tungstène et carbone dont les proportions sont choisies de façon à ce que l'alliage présente, dans sa structure cristalline, des carbures de type M23C6, M étant le chrome et/ou au moins un métal "équivalent", les carbures M23C6 étant essentiellement secondaires. Figure 1.
Patent CA-2067889-A1 (CA)
Inventor: PITOT CHRISTIAN
IPC: G06F5/06
Filed: 1992-05-01
Abstract: DE DIVULGATION Le dispositif selon l'invention fait intervenir un ensemble de vecteurs d'utilisation des ressources de l'espace mémoire à raison de, un vecteur par file d'attente gérée, un vecteur définissant la liste des positions libres de l'espace mémoire, des registres pointeurs de lecture et d'écriture qui conservent l'adresse des positions mémoire où ils ont écrit ou lu pour la dernière fois, et un circuit d'évaluation du plus proche successeur de ces dernières positions mémoire. Ce dispositif présente l'avantage de permettre d'utiliser toutes les ressources mémoire, une même ressource pouvant être utilisée par n'importe quelle file d'attente.
Patent CA-2071935-A1 (CA)
Inventor: KALLIO ARJA
IPC: C12Q1/68
Filed: 1991-10-25
Abstract: The adequacy of clinical specimens for nucleic acid hybridization tests is determined by a method comprising the steps of (a) taking a representative sample from the specimen; (b) applying the sample, without intermediate treatment, to a gel having dispersed therein a nucleic acid staining agent such that the staining agent binds to the nucleic acids in the sample to produce a visually detectable product; and (c) visually determining the amount of staining agent bound to the sample and comparing this to the result obtained for a known concentration of deoxyribonucleic acid and staining agent in order to determine the approximate number of cells in the sample. Reagents and apparatus for performing the method may be packaged in kit form.
Patent CA-2072947-A1 (CA)
Title: Method for producing a device for muffling sound or catalytic treatment of exhaust
Inventor: STUER WILLEM D M
IPC: F01N1/24
Filed: 1992-07-02
Abstract: Abstract The invention is directed to a method for producing a device forming a muffler 1 or a catalytic converter comprising a casing having an outer wall part 4 and an inner wall part 5.  The two wall parts 4, 5 are connected with one another at least at the ends of the casing and are constructed in such a way that there is an intermediate space 16 between them at least in some places.          This intermediate space 16 is produced in that a pressure is generated between the inner wall part 5 and the outer wall part 4 by a substance in order to bend one wall part 4, 5 away from the other wall part 4, 5 at least in some places.
Patent CA-2074041-A1 (CA)
Title: Use of (2,5-dihydroxyphenyl) carboxylic acids derivatives, their homologues and salts in the preparation of a cosmetic or dermatologic composition having a depigmentation action
Inventor: JUNINO ALEX
IPC: A61K8/00
Filed: 1992-07-16
Abstract: Use of (2,5-dihydroxyphenyl)carboxylic acid derivatives, their homologues and their salts for the preparation of a cosmetic or dermatological composition having a depigmenting action, characterised in that the said derivatives correspond to the following formula: <IMAGE>  in which:     R1 represents OR5, OH or <IMAGE> R5 represents a linear or branched C1-C20 alkyl radical, a linear r branched C2-C20 alkenyl radical or a C1-C20 alkyl radical substituted by one or a number of hydroxyl or alkoxy groups, r' and r'', which are identical or different, represent a hydrogen atom, a C1-C20 alkyl radical, a C2-C6 hydroxyalkyl radical or a C3-C6 polyhydroxyalkyl radical or r' and r'' taken together, with the nitrogen atom, form a heterocycle, the number of carbon atoms of the chain -(CH2)n-COR1 being less than or equal to 21, R2 and R3, which are identical or different, represent a hydrogen atom, a linear or branched C1-C4 alkyl radical or a C1-C4 alkoxy, R4 represents a hydrogen atom or a linear or branched C1-C4 alkyl radical, and n is 0 to 20, with the proviso that when R2 and R3 represent a hydrogen atom, n is greater than or equal to 2.