baber/WOPTO huggingface dataset:
Patent CA-2132318-A1 (CA)
Title: Process for preparing methyl ethers
Inventor: TAMMINEN ESA
IPC: B01D3/00
Filed: 1993-03-18
Abstract: The invention relates to a process for preparing tertiary methyl ethers.  According to the process the feedstock containing hydrocarbons is fed to a catalytic distillation reactor system, in which the isoolefines, in particular the C4 to C7 isoolefines, of the feed are reacted with methanol in the presence of a cation exchange resin in order to produce tertiary methyl ether products. The reaction product containing the ethers is removed from the distillation system as the bottoms product and, if necessary, it is subjected to an additional treatment for producing a gasoline component.  The unreacted methanol is removed as the overhead product of the distillation. According to the invention, the distillate withdrawn mainly contains an azeotrope of C4 hydrocarbons and methanol, the C4 amount of which at least approximately corresponds to the C4 hydrocarbon concentra-tion of the hydrocarbon feed, a substantial amount of the unreacted methanol being removed in the form of said azeotrope. By means of the invention the need for a separate methanol washing unit is eliminated in the apparatus which considerably diminishes apparatus investment costs.
Patent CA-2132689-A1 (CA)
Inventor: STATS DAVID A
IPC: C10J1/207
Filed: 1994-09-22
Abstract: A two stage carbonizer places as much heat as possible into the gas streams entering the carbonizer to drive off volatile matter and reduce tars and oils by thermal cracking which is enhanced by the addition of sorbent. The carbonizer operates as a fluidized bed with a combustor providing flue gas as one fluidizing medium and preheated air as the other. This allows the coal to be devolatilized and the tars and oils to be thermally cracked due to the direct contact with the coal and hot flue gas. The device is designed to operate at high pressures from about 12-20 atmospheres.
Patent CA-2133265-A1 (CA)
Title: Anaerobic and aerobic integrated system for biotreatment of toxic wastes (canoxis)
Inventor: GUIOT SERGE R
IPC: C02F3/30
Filed: 1994-09-29
Abstract: The invention disclosed is an integrated synchronous aerobic/anaerobic bioreactor for treating waste liquids, such as pulp and paper waste water, and to methods of treating such waste liquid. The apparatus includes a bioreactor and an external aerator for injecting a controlled amount of an oxygen-containing gas into the waste liquid as it is cycled through the apparatus. An aerobic/anaerobic biofilm is provided in the reactor, having a decreasing gradient of oxygen concentration toward its core.
Patent CA-2134059-A1 (CA)
Title: Method and system for generating a computer program
Inventor: SIMONYI CHARLES
IPC: G06F9/06
Filed: 1994-10-21
Abstract: A method and system for generating a computer program. In a preferred embodiment, the present invention provides a program tree editor for directly manipulating a program tree. A program tree comprises of plurality of nodes corresponding to computational constructs. The program tree editor receives commands from a user that are independent of a programming language syntax. The present invention also provides a display representation generator for generating a display representation of the program tree. The display representation generator retrieves nodes from the program tree and displays a display representation of the node. A user of the present invention preferably interacts with the program tree editor based on the display representation.
Patent CA-2135763-A1 (CA)
Title: Sulfur-vulcanized rubber composition
Inventor: WILBRINK JOHANNES B
IPC: C08K5/16
Filed: 1993-05-06
Abstract: A rubber composition which is the vulcanization reaction product of a rubber, sulfur or a sulfur donor, particular anti-reversion coagents, and specific additive components, is disclosed. The invention also relates to a sulfur-vulcanization process which is carried out in the presence of an anti-reversion coagent and an additive component and the use of an anti-reversion coagent in combination with an additive component in a process for the sulfur-vulcanization of rubber. The resulting sulfur-vulcanized rubbers have significantly improved physical properties.
Patent CA-2138501-A1 (CA)
Title: Methods of inhibiting breast disorders
Inventor: SALES JAMES J
IPC: A61K31/445
Filed: 1994-12-19
Abstract: A method of inhibiting breast disorders administering to a human in need of treatment an effective amount of a compound having the formula   (I) wherein R1 and R3 are independently hydrogen, -CH3,             , or          , wherein Ar is optionally substituted phenyl;          R2 is selected from the group consisting of pyrrolidine, hexamethyleneamino, and piperidino; or a pharmaceutically acceptable salt of solvate thereof.
Patent CA-2138509-A1 (CA)
Title: Methods of inhibiting autoimmune diseases
Inventor: ZUCKERMAN STEVEN H
IPC: A61K31/445
Filed: 1994-12-19
Abstract: A method of inhibiting autoimmune diseases comprising administering to a human in need thereof an effective amount of a compound having the formula   (I) wherein R1 and R3 are independently hydrogen,              -CH3, , or        , wherein Ar is optionally substituted phenyl;          R2 is selected from the group consisting of pyrrolidine, hexamethyleneamino, and piperidino; or a pharmaceutically acceptable salt of solvate thereof.
Patent CA-2139602-A1 (CA)
Title: Process for decaffeinating aqueous caffeine-containing extracts
Inventor: SIPOS STEFAN
IPC: A23F5/22
Filed: 1995-01-05
Abstract: A process is described for decaffeinating caffeine-containing aqueous extracts with which the caffeine is extracted selectively with activated carbon fibers.
Patent CA-2140210-A1 (CA)
Inventor: ROECK ERICH
IPC: A47B88/00
Filed: 1995-01-13
Abstract: A fitting for fixing a rear wall of a drawer to drawer parts with a supporting part which can be fixed to a drawer part and has fixing lugs which engage in receiving openings in a holding part. The supporting part can be screwed to a holding part which can be fixed on the rear wall of the drawer.
Patent CA-2140922-A1 (CA)
Inventor: PETERSON JEFFREY S
IPC: B24D11/00
Filed: 1993-07-08
Abstract: A coated abrasive article comprising (a) a porous backing having a front side and a back side; (b) in direct contact with the porous backing, a make coat formed from a composition comprising a radiation curable adhesive applied over the front side of the backing; (c) a multiplicity of abrasive grits bonded by the make coat to the front side of the backing; and (d) a size coat over-lying both the abrasive grits and the make coat. The invention also involves several methods for preparing the coated abrasive ar-ticle. In all of these methods, a radiation curable make coat precursor is applied directly to the front side of the porous backing. No treatment coat is required to seal the backing prior to application of the make coat precursor.
Patent CA-2142617-A1 (CA)
Inventor: EVERETT MICKEY H
IPC: B41J2/045
Filed: 1993-08-19
Abstract: A length mode drop on demand type ink jet print head includes a lower body portion formed of an active piezoelectric material and an upper body formed from an inactive material. The lower body portion, which includes a plurality of longitudinally extending projections, is poled in a first direction generally orthogonal to both its longitudinal and vertical axes. The upper body portion also includes a plurality of longitudinally extending projections. The lower and upper body portions are mated such that the lower and upper body projections are spaced interdigitally with each other. By mating the lower and upper body portions in this manner, a plurality of ink-carrying channels are formed. The ink jet print head further includes a controller for selectively applying an electric field across each of the lower body projections in the poling direction. When an electric field is applied across one of the lower body projections in this fashion, the projection imparts a pressure pulse to the ink-carrying channel associated therewith. The active lower body portion may be replaced with an inactive lower body portion, an active intermediate body portion which includes a plurality of longitudinally extending projections, each having a strip of conductive material along the top surface thereof, and a layer of conductive material mounting the lower and intermediate body portions together. Here, the intermediate body portion would be poled in its vertical axis and the electric field would be applied between the conductive strip and layer.
Patent CA-2144395-A1 (CA)
Title: Stackable/nestable containers
Inventor: COPE ANDREW C
IPC: B65D21/06
Filed: 1995-03-10
Abstract: Stack 10 of containers if formed from a container system.  The system comprises a plurality of open-topped containers 12, 14 each adapted to be selectively stackable or nestable with like containers.  First containers 12 are of relatively large plan.  Second containers 14 are of smaller plan.  Thus, large containers can stack or nest with large containers.          Small containers can stack or nest with small containers.          Additionally, small containers are adapted to allow two smaller containers to form a layer in a stack 10 which comprises at least one larger container 12.  The smaller containers are supported at the edges of the large container and reach toward the middle, where they engage one another to form a locked cantilever-style bridge.
Patent CA-2144997-A1 (CA)
Title: Method of growing tumour cells for cytogenetic analysis
Inventor: LI YOU-SHENG
IPC: C12N5/09
Filed: 1995-03-16
Abstract: Cytogenetic tests are informative for clinical management of cancer patients.  Routine cytogenetic tests are only available for blood cancer, of which cells can grow in suspension.  Solid tumour cells can only grow after being attached to a solid surface.  Cytogenetic tests require cell growth and dividing.  The current monolayer cell culture method for solid tumour cytogenetics has a high failure rate and frequent overgrowth of normal cells.  The present invention, culture of tiny tumour fragments in suspension, will dramatically improve solid tumour cytogenetics by preserving the three dimensional environment in which tumour cells grow in the human body and yet providing sufficient nutrients and oxygen.  It also cuts the culture time from 15 to 30 days to 3 to 4 days.   The adaption of the present organoid culture method may make solid tumour cytogenetic tests available for clinical routine.  Organoid culture method may also be used for drug and radiotherapy tests.
Patent CA-2145974-A1 (CA)
Inventor: PRESTON ROGER S
IPC: B05B12/14
Filed: 1995-03-30
Abstract: An apparatus for coating an optical fibre 42 with a selected one of a plurality of different resins 16, 18, 20 comprises respective reservoirs 10, 12, 14 for the resins, an applicator 40 for applying a resin coating to the optical fibre and a distribution means between the reservoirs and the applicator including a valve device 34 which is operable for putting any selected one of the reservoirs in flow communication with the applicator. The valve device comprises a first body 44 defining a plurality of inlet passages 28, 30, 32 each of which is interconnected to a respective reservoir 10, 12, 14 by a respective inlet conduit 22, 24, 26 and a second body 46 defining an outlet passage 36 which is interconnected to the applicator 40 via an outlet conduit 38. A flow control device 48 is disposed between the bodies 44 and 46 and the bodies are relatively moveable for putting any selected one of the inlet passages 28, 30, 32 in alignment with the outlet passage 36. The flow control device has a first position relative to the second body 46 for blocking all of the inlet passages and the outlet passage and a second position relative to the second body 46 for allowing flow to the outlet passage from an inlet passage aligned therewith.
Patent CA-2146060-A1 (CA)
Title: A high efficiency light valve projection system
Inventor: DOLGOFF EUGENE
IPC: H04N13/00
Filed: 1995-03-31
Abstract: ABSTRACT OF THE DISCLOSURE A light valve such as an active matrix LCD between crossed polarizers, utilizing, for instance, individual transistors to control each "pixel area" of the LCD and storage elements to store video signal data for each pixel, with optically shielded "dead spaces" between pixels to eliminate electric field cross-talk and non-information-bearing light bleed-through, is illuminated with a bright independent light source which creates a video image projected via specialized projection optics onto an internal or external screen without distortions, regardless of the angle of projection onto the screen. Use of heat sinks, IR reflective coatings, heat absorbing optics, optional fluid and a thermistor controlled pixel transistor bias voltage injection servo circuit stabilizes image performance, maintaining accurate color and contrast levels as the LCD changes temperature. In one embodiment of the invention, use of a multi-color LCD with a stepped cavity, producing different thicknesses of LCD for the different wavelengths that pass through it, allows a linear correspondence between the wavelengths passing through the LCD to produce true black, high contrast and CRT-like color rendition. A dichroic mirror arrangement is used to overlap differently colored pixels in the projected image. Use of striped mirrors duplicate pixels, where necessary, eliminating spaces between pixels, creating a continuous image with no apparent stripes or dots. h special venetian-blind type of screen is also disclosed and methods for using the system to view three-dimensional video are also explained.
Patent CA-2147863-A1 (CA)
Title: Determination of peptide motifs on mhc molecules
Inventor: ROTZSCHKE OLAF
IPC: C07K16/00
Filed: 1993-11-12
Abstract: A process is disclosed for determining allele-specific peptide motifs on molecules of the major histocompatibility complex (MHC) of classes I and II as well as the peptide motifs obtained by this process.      Also disclosed is the use of said peptide motifs for preparing a diagnostic or therapeutical agent
Patent CA-2149873-A1 (CA)
Title: Method of manufacturing toric single vision, spherical or aspheric bifocal, multifocal or progressive contact lenses
Inventor: BLUM RONALD D
IPC: G02C7/04
Filed: 1993-11-23
Abstract: A method for making a finished aspheric single vision, spherical or aspheric bifocal, multifocal or progressive addition contact lens includes the step of fitting a patient requiring a near correction with a single vision spherical or aspheric contact lens for optimal distance vision and comfortable fit. If desired, the patient is then over-refracted to determine the required near correction to be embodied in the contact lens. A portion of the optic corresponding to the center location of the pupil is marked on the convex side of the optic to form an optical preform. In some instances, the lens may not stabilize on the cornea to a suitable degree. Thus, it is often desirable to stabilize the contact lens, either prior to placing the lens on the patient or after rotation is observed on the cornea of the patent. Observation of rotation on the patient's cornea is enhanced by means of the mark that is used to designate the center of the patient's pupil. The optical preform is removed from the eye of the patient and the concave side of the optical preform is marked at a position corresponding to the mark on the convex side that denotes the center of the pupil. The mark disposed on the convex side of the optical preform is removed. A specified volume of polymerizable resin is placed in a mold embodying the required correction, which includes an add power zone so that the resin fills the intervening space between the mold and the optical preform. The add power zone is aligned on the optical preform to a predetermined position with respect to the mark on the optical preform designating the center of the pupil. The resin is then polymerized the optical preform is demolded to obtain the finished contact lens having the required correction.
Patent CA-2150407-A1 (CA)
Title: L-carnitine salt and cosmetic and pharmaceutical compositions containing same for treating dermatoses
Inventor: CAVAZZA CLAUDIO
IPC: A61K8/00
Filed: 1995-05-29
Abstract: L-carnitine glycolate and its use for producing cosmetic and pharmaceutical compositions suitable to be topically applied for treating dermatoses, are disclosed.
Patent CA-2151517-A1 (CA)
Title: Pressure generator for use in process allowing attachment
Inventor: SWARS HELMUT
IPC: B21D39/08
Filed: 1989-12-13
Abstract: Pressure generators are disclosed for carrying out a process for allowing the attachment of drive or coupling elements, such as cams, gears, crank webs or bearing elements, such as friction bearing bushes, or complete roller bearings on tubes or tubular portions by hydraulic expansion, thereby producing assembled cam shafts, or the like.  The expansion of the tubes takes place exclusively in the region of the respective elements beyond the elasticity of the tubes, against a permanent elastic pre-stress in the elements.  To relieve the load on the seal limiting the regions to be expanded, a counter pressure which is higher than the ambient pressure is applied to the intermediate or end regions by a pressure generator characterized, according to the present invention, in that one single working or pressure converting piston, in the course of one operating stroke, loads at least two pressure agent exits with different pressures.  The working piston is specially designed as a differential piston; by connecting certain dead spaces, the different pressure curves required to carry out the process are generated.
Patent CA-2155102-A1 (CA)
Title: Surgical mesh with semi-rigid border members
Inventor: DE LA TORRE ROGER A
IPC: A61F2/00
Filed: 1994-02-14
Abstract: The present invention per-tains to a patch (24) of flexible surgical mesh (22) material having at least one elongated semi-rigid member (26) secured to the mesh material for use in faciliting posi-tioning of the mesh material in sur-gical operations. In variant embod-iments of the invention a plurality of semi-rigid members are formed either integrally with the flexible mesh as a single unit of the same material, or as separate component parts secured to the mesh material.
Patent CA-2156064-A1 (CA)
Title: Substituted alicyclic amine-containing macrocyclic immunomodulators
Inventor: LULY JAY R
IPC: A61K31/435
Filed: 1994-03-11
Abstract: Compound having formula (I), and pharmaceutically acceptable salts, esters, amides and prodrugs thereof, wherein one of R104 and R105 is hydrogen, and the other of R104 and R105 is a group having formula (II), as well as pharmaceutically compositions containing such compounds and methods of immunomodulative therapy utilizing the same.
Patent CA-2156955-A1 (CA)
Title: Lamination between plastic resins to cement
Inventor: HISCOCK DONALD R
IPC: E04C2/26
Filed: 1995-08-25
Abstract: A shelled structure is composed of a resinous plastic layer that is bonded to a hydraulic cement layer by the presence of preformed wire, silica sand or chopped glass fibres at the interface. Set into the resin layer while it is still tacky the wire, sand or glass particles bond readily to both the resin and cement. A wire reinforcing mesh or matrix within the cement layer improves its strength and stability. Wire stubs set into the resin layer may be used to locate the wire matrix. Bonding is improved when the resin wire is in the form of a corrugated grid with part of the grid embedded in the resinous plastic layer. Bonding is further improved when a wire grid is used as the coupling agent in combination with sand particles or chopped glass. Alternately, these latter components may be used without a wire grid. Panel strength is improved when the embedded portion of the wire is overlaid with fibre reinforced resin.
Patent CA-2157477-A1 (CA)
Title: Vehicular panel assembly, method and apparatus for making same
Inventor: FISHER DANIEL J
IPC: B60J10/02
Filed: 1994-03-01
Abstract: A single-sided gasketed panol assembly (20) for use as a flush-mounted panel or window in vehicles, buildings, or other structures, as well as a method and apparatus for making such panel assemblies, wherein the panel assembly (20) comprises a sheet-like panel (22) having a primer layer (46) and at least one polymeric gasket (32) molded to the panel on the primer layer. The primer applied to the panel has a predetermined transition temperature above which improved adhesion properties are exhibited for polymeric gaskets (32) molded thereon when the primer is at or above such temperature.
Patent CA-2158235-A1 (CA)
Title: Membrane dehydration of vaporous feeds by countercurrent condensable sweep
Inventor: FRIESEN DWAYNE T
IPC: B01D53/22
Filed: 1995-09-13
Abstract: There is described a process for the dehydration of a vaporous mixture, the basic process comprising directing a water vapor-containing vaporous mixture against the feed side of a membrane, directing a condensable vapor sweep stream past the permeate side of the membrane in a manner such that the flow of the condensable vapor sweep is substantially countercurrent to the flow of the vaporous mixture, thereby transporting at least a portion of water vapor of the vaporous mixture from the feed side to the permeate side of the membrane to form a combined permeate side mixture of condensable vapor and transported water vapor.
Patent CA-2163709-A1 (CA)
Inventor: PROVOST SERGE
IPC: A63B57/00
Filed: 1995-11-24
Abstract: Disclosed is an apparatus for automatically teeing up golf balls having a hopper, a teeing up device and a control panel.  The hopper is operatively connected to the teeing up device to supply golf balls to the automatic teeing up device. The teeing up device comprises a piston moving between a lowermost and an uppermost position within a guide cylinder below the ground level.  Golf balls are selected and allowed on a tee one at the time.  The tee is adjustable in height to simulate a tee off lie or a fairway lie.   A detector is located under the tee to detect the presence of a golf ball on the tee to automatically tee up another golf ball when needed.  The control panel activates, controls or deactivates the automatic teeing up device.  Also disclosed is a kit for practicing golf having targets posted in a driving range at different distances from the tee off, a device comprising an arrow spun on a board around choices of target for randomly choosing  one  of  these  targets  and  an  apparatus  for automatically teeing up the golf balls.   The kit and the apparatus are intended both for indoor and outdoor use in a driving range or a simulated golf course.  Furthermore, the kit is intended to allow a golfer to practice precise golf shots in terms of distance and direction.
Patent CA-2164090-A1 (CA)
Inventor: BUISMAN CEES JAN NICO
IPC: C02F101/10
Filed: 1994-06-09
Abstract: A process is described for purifying waste water containing sulphide, comprising oxidising the sulphide to elemental sulphur in a reactor with sulphide-oxidising bacteria in the presence of oxygen, and separating from the waste water at least a part of the sulphur formed during the oxidation, while recycling a part of the elemental sulphur separated from the reactor effluent into the reactor in such a way that a concentration of elemental sulphur of at least 1 g/l is maintained in the reactor. The sulphur, in the form of aggregates, is used as a carrier material for the sulphide-oxidising bacteria.