baber/WOPTO huggingface dataset:
Patent CA-2210891-A1 (CA)
Title: Valaciclovir tablets containing colloidal silicon dioxide
Inventor: CARTER BARRY HOWARD
IPC: A61K47/38
Filed: 1996-01-19
Abstract: A tablet comprising of at least 50 % w/w valaciclovir, and 0.05 to 3 % w/w colloidal silicon dioxide is provided which has excellent hardness and friability properties while still maintaining good lubrication of the tablet granules.
Patent CA-2211133-A1 (CA)
Title: Process for preparing 2-trifluoromethoxy-aniline
Inventor: MARHOLD ALBRECHT
IPC: C07C209/36
Filed: 1997-07-23
Abstract: 2-Trifluoromethoxy-aniline, which can be used as an intermediate for example for preparing pharmaceuticals and agrochemicals, is obtained in very good yields and high purity by nitrating in a first step 1,2-dichloro-4-trifluoromethoxy-benzene at temperatures between -20°C and +80°C and catalytically hydrogenating the resulting nitration products (exclusively 1,2-dichloro-5-nitro-4-trifluoromethoxy-benzene and 1,2-dichloro-3-nitro-4-trifluoromethoxy-benzene) in a 2nd step, it being possible to isolate the aniline intermediates corresponding to the two nitrobenzene derivatives;  the nitrobenzene and aniline derivatives mentioned, being novel compounds, are also part of the subject matter of the invention.
Patent CA-2211648-A1 (CA)
Title: Wavelength dependent crossover system for bi-directional transmission
Inventor: IP JOSEPH
IPC: H04B10/25
Filed: 1997-07-28
Abstract: A device in accordance with the invention uses a novel combination of two four port optical circulators, Bragg optical fiber diffraction gratings and a single erbium-doped optical amplifier (EDFA) to implement at least dual wavelength bi-directional (single fiber) optical amplifier module. A system using an amplifier module in accordance with the invention, advantageously allows communication network managers to simultaneously reduce the cost of signal amplification hardware across a fiber optic network, increase fiber utilization, simplify field installation and maintenance operations, and maintain adherence to conventional protection philosophies such as "one system per fiber." Furthermore, the system is tolerant of unwanted effects from back reflections that may be present from a faulty optical connector or a fiber break at either end.
Patent CA-2213771-A1 (CA)
Title: Sputter etching apparatus with plasma source having a dielectric pocket and contoured plasma source
Inventor: GHANBARI EBRAHIM
IPC: H01J37/32
Filed: 1995-11-09
Abstract: Apparatus (10) for sputter etching a substrate (14) includes a processing chamber (16) with a plasma source (24) coupled to the top of the processing chamber (16) to seal the chamber and create a plasma therein. The plasma source (24) comprises a dielectric plate (30) having a generally centered pocket (40) with a concave outer surface (43) and a convex inner surface (41) which physically extends into the processing chamber (16) toward a substrate (14). An inductive coil (42) is positioned outside the chamber (16) generally inside the pocket (40) and adjacent the concave surface (43) and is preferably contoured to conform to the concave outer surface (42) to form an inductive source relative to the substrate (14). The contoured inductive coil (42) couples energy through the pocket (40) to create a high density uniform plasma of ionized particles proximate a substrate (14) in the chamber (16).
Patent CA-2217159-A1 (CA)
Title: Multifunctional ligand system for cell-specific transfer of nucleic acid
Inventor: MUELLER ROLF
IPC: C12N15/87
Filed: 1997-11-27
Abstract: The invention relates to a multifunctional ligand system that is not immunogenic and that carries out cell-specific transfer of nucleotide sequences. The system comprises at least one target cell-specific ligand, at least one linker and at least one gene construct-specific ligand, with the gene construct-specific ligand advantageously comprising an antibody, or a part thereof, which binds directly or indirectly to the gene construct. The invention also relates to ligand systems for preparing a pharmaceutical or a vaccine for the treatment or prevention of a disease of the skin, of the mucous membranes, of the nervous system, of the internal organs, of blood coagulation, of the hemopoietic system, of the immune system, of the musculature, of the sustentacular tissue or of the joints.
Patent CA-2219147-A1 (CA)
Title: Accumulator engine
Inventor: GRAY CHARLES L JR
IPC: B60K6/12
Filed: 1996-04-26
Abstract: A hydropneumatic powertrain includes a fluidic driver (34) connected in parallel with first and second liquid tanks (20, 22) connected, respectively, with first and second gas vessels (10, 12). The gas within each gas vessel is in fluid communication with the liquid within the corresponding liquid vessel.  A prime mover (30) drives a pump (36) to pump liquid alternately into one of the two liquid tanks connected in parallel with the pump. Switch valving (43, 44) directs the discharge of the pump to either the first liquid tank or the second liquid tank, while the liquid tank not receiving liquid from the pump discharge is discharging its liquid, driven by expansion of gas within the corresponding gas vessel, to drive the fluidic driver which, in turn, drives the drive wheels of the vehicle. Each gas tank is equipped with a heater and a cooler (14, 16) whereby the gas vessel, in the compression portion of the cycle, is cooled while the other gas vessel is heated for expansion of the gas contained therein. Thus, the fluidic driver can be continuously driven by alternating discharges from the two liquid tanks.
Patent CA-2220021-A1 (CA)
Title: Biologically active peptides and compositions, their use
Inventor: PIERS EDWARD
IPC: C07K5/08
Filed: 1996-04-22
Abstract: Compounds of general formula (1) wherein: R1 and R70 independently represent a hydrogen atom or an optionally substituted alkyl or acyl group; R2 represents a hydrogen atom or an optionally substituted alkyl or acyl group or is absent when R6 represents a group -CH-as hereinafter described; R73 represents a hydrogen atom or an optional substituent or is absent when R6 represents a methylene group or a group -CH- as hereinafter described; Y represents an optional substituent; n represents 0, 1, 2, 3, or 4; R3 represents a hydrogen atom, or an optionally substituted alkyl group; R74 represents a hydrogen atom, a hydroxy group or an optionally substituted alkyl or acyl group; R7 represents a hydrogen atom or an alkyl group; R75 represents an optionally substituted alkyl group; and i) R6 and R71 independently represent a hydrogen atom or an optionally substituted alkyl or acyl group; and R72 represents a hydrogen atom; or ii) R71 represents a hydrogen atom or an optionally substituted alkyl or acyl group and R72 represents a hydrogen atom or R71 and R72 each represent radicals so that a double bond is formed between the carbon atoms to which they are attached; and R6 represents an optionally substituted methylene group bonded to the indole moiety thereby to form a tricyclic moiety; or R6 represents an optionally substituted group -CH- bonded to the indole moiety thereby to form an aromatic tricyclic moiety; for use in therapy and as antimitotic reagents are described. Novel hemiasterlins, criamides and geodiamolides are also described.
Patent CA-2220824-A1 (CA)
Title: Method and system for placing inner headers to the ends of paper rolls
Inventor: OHTONEN AIMO
IPC: B65B25/14
Filed: 1997-11-12
Abstract: The present invention relates a method and system for placing headers (24) to the ends of paper or paperboard rolls (1) by way of inserting the headers into the tubular cavity formed by the overlapping rim of the roll wrapper to the roll end. According to the method, the roll (1) to be packaged is transferred to the header inserter station, a header (24) of desired type for the roll is fetched from a header support shelf (3) and delivered to a header inserter grabber (17 - 23) of a header inserter assembly (5) waiting in its delivery position. Next, the header (24) is transferred by a movement of the header inserter grabber (17 - 23) into the tube formed by the wrapper overlap, and subsequently, the header (24) is transferred against the end of the roll (1). According to the invention, the header (24) is transferred into the wrapper tube by means of rotating the header inserter grabber (17 - 23) about a shaft (16), which is offset from the transfer path of the roll and is aligned orthogonal to the longitudinal axis of the roll, whereby the header (24) is made to advance into the wrapper tube in a tilted position so that the edge of the header (24) situated closer to the shaft (16) enters the wrapper tube before the entry of the trailing edge of the header into the same.
Patent CA-2222198-A1 (CA)
Title: Data dissemination system
Inventor: JAHAN BRUNO
IPC: H04H20/31
Filed: 1996-06-03
Abstract: The invention relates to a system for broadcasting data (D), said information being transmitted in the pass-band of a broadcast audio frequency signal (S), characterized in that it comprises means for determining in at least one frequency band (F'13, ..., F'24) of the amplitude (A'13, ..., A'24) of the audio frequency signal (S) and for comparing said amplitude with an audio mask level (Nm(13), ..., Nm(24)) associated to said frequency band, means for removing frequency components from the audio frequency signal in said frequency band if the amplitude of the signal is lower than the audio mask level of said band, and means for inserting said data in said frequency band at a level lower than or equal to the audio mask level of said frequency band.
Patent CA-2226418-A1 (CA)
Inventor: ROLAND WOLF-ACHIM
IPC: C25D11/18
Filed: 1996-06-29
Abstract: The invention concerns a method of compacting anodized metals without using heavy metals. The method is characterized in that: a) in a first step, the anodized metal is brought into contact for a period of between 3 and 30 minutes (for an anodizing layer thickness of 20 µm) with an aqueous solution which has a temperature ranging from 15 to 35 ~C and a pH ranging from 5.0 to 6.5 and contains between 0.1 and 3 g/l lithium ions and between 0.1 and 5 g/l fluoride ions; and b) in a second step, the anodized metal is brought into contact for a period of between 5 and 30 minutes (for an anodizing layer thickness of 20 µm) with water or an aqueous solution of substances which prevent the formation of a sealing coating, the solution having a pH ranging from 5.5 to 8.5 and a temperature ranging from 80 to 100 ~C.
Patent CA-2227802-A1 (CA)
Inventor: WHEELER STEVEN R
IPC: A62C37/50
Filed: 1998-01-23
Abstract: Alarms for testing sensors, particularly those used in fire-suppression systems, are described.  In one aspect of the invention, the alarm includes an audio and/or a visual indicator operably coupled to the housing of a sensor.  The audio indicator may be a speaker that beeps when the sensor is activated.  The visual indicator may be one or more LEDs that are illuminated when the sensor is activated.  The alarm also can be used to determine whether power and ground conductors extending to the sensor are properly connected.  Additionally, the alarm can be used to determine whether one or more conductors extending from the sensor to the control panel are properly connected.
Patent CA-2229408-A1 (CA)
Inventor: TAHEY JEROEN JOOST VALENTIJN
IPC: C07K14/805
Filed: 1996-09-10
Abstract: The present invention relates to a method to obtain a dried haemoglobin product, that is stable during extended storage (over years) at ambient temperature (4-30 ~C) and dissolves quickly (within 10 minutes, preferably within 5 minutes, more preferably within 1 minute), easily (without the use of special facilities) and completely (in a clear, dark red solution with minimal particulate contamination). The solution reconstituted from the dried haemoglobin has sufficient low levels of methaemoglobin to effectively function as an oxygen carring solution after reconstitution and upon parenteral administration to a patient. Besides the reconstituted product has a physiologically acceptable formulation (osmolarity: typically 250-350 mosm/1) and has colloid-osmotic activity. The drying process is applicable for haemoglobin, modified haemoglobin, recombinant haemoglobin and/or encapsulated haemoglobin preparations. The process to obtain the dried haemoglobin product is based on spray-granulation with addition of one or more protective additives. Besides, a carrier substance might be used to reduce particulate contamination. To prevent oxidation of haemoglobin, the process and storage can be performed under oxygen free conditions by the use of nitrogen or any other inert gas.
Patent CA-2229410-A1 (CA)
Title: Process for producing mixtures rich in 1,6-gps or 1,1-gpm
Inventor: MUNIR MOHAMMAD
IPC: A23L27/30
Filed: 1998-02-13
Abstract: A process for producing phases enriched with 1,1-GPM          (1-O-.alpha.-D-Glucopyranosyl-D-mannite) and/or 1,6-GPS (6-O-.alpha.-D-Glucopyranosyl-D-sorbite), from hydrogenated isomaltulose or mixtures containing hydrogenated isomaltulose.  The latter is dissolved in water at an elevated temperature, the resulting solution is crystallized by cooling the solution over a predetermined temperature range sufficient to obtain the desired phase composition, and the phase enriched with 1,1-GPM is subsequently separated from the phase enriched with 1,6-GPS.
Patent CA-2231332-A1 (CA)
Title: Bacterial delivery system
Inventor: SADOFF JERALD C
IPC: A61K39/00
Filed: 1996-09-06
Abstract: This invention relates to a method of introducing functional nucleic acids into cells using a bacterial delivery system. The delivery system can be used as a vaccine to prevent or treat infectious diseases. This invention can be applied to any desired bacteria including attenuated strains of Shigella.
Patent CA-2231653-A1 (CA)
Title: Nutritional liquid supplement beverage and method of making same
Inventor: LEIBRECHT JEFFREY WAYNE
IPC: A23L33/15
Filed: 1996-09-03
Abstract: The present invention includes a nutritional supplement beverage and a method of making same. The present invention also includes a nutritional supplement beverage prepared by the method of the present invention.
Patent CA-2231807-A1 (CA)
Title: Personal electronic book system
Inventor: MUNYAN DANIEL E
IPC: G06F17/30
Filed: 1996-11-29
Abstract: The personal Electronic Book System invention replaces a standard handheld book with an electronic equivalent. The invention is sized and configured to be book size and to open like a book for use. When opened, the user sees two facing page-like touch-sensitive, display screens with black print on white background. Icons represent the electronically stored material, "artwork, audio clips, books, E-mail, faxes, games, magazines, movies, musical compositions, newspapers, photographs, software, video clips, etc.", which are selected by touching the icon. When a book, magazine, newspaper, or the like is selected, its table of contents is displayed and the user can then read page by page or go directly to a particular page by touching the selection listed in the table of contents. Closing the Personal Electronic Book automatically shuts down the device. Touching a page number before closing the Personal Electronic Book inserts a bookmark so that when the Personal Electronic Book is re-opened, the user is returned to the same page. New printed or multimedia material can be downloaded from a remote server, that is, "a bookstore", and old material, books read, etc., can be deleted to make room for the new material.
Patent CA-2234195-A1 (CA)
Inventor: SMITH GRAHAM
IPC: H01H36/00
Filed: 1996-10-31
Abstract: L'invention concerne un appareil chirurgical (100) comprenant un corps (300) dont la forme permet son insertion dans un alésage d'une pièce à main chirurgicale et un verrou (315) qui comprend un élément élastique (335) relié audit corps. Cet élément élastique comporte une structure de verrouillage (340) conçue pour venir en contact de verrouillage avec une surface intérieure de l'alésage de la pièce à main chirurgicale.
Patent CA-2236051-A1 (CA)
Inventor: COPE ANDREW CHRISTOPHER
IPC: B65D43/04
Filed: 1998-04-27
Abstract: A container lid 12 has a security portion 36 attached at a hinge line 38 so that as the lid is closed, the portion 36 can hang down inside the container to obstruct an aperture in a wall of the container, thereby improving security. Flanges 44 abut the underside of the lid 12B to prevent the security portion 36 being pushed away from the aperture being obstructed. The lid is described as part of a container whose body can nest with a body of a like container, with the lid removed and housed within the container, when not in use.
Patent CA-2243015-A1 (CA)
Inventor: MEYER STEPHEN T
IPC: D06F58/14
Filed: 1998-07-14
Abstract: An exhaust vent for routing dryer exhaust from within a structure to outside of the structure includes a unitary vent hood which is designed to be mounted to an outer wall of the structure. The vent hood includes a rear wall which defines a substantially circular exhaust aperture. Surrounding the exhaust aperture is a generally cylindrical connecting portion which is designed to receive a flexible exhaust conduit. A forward wall of the vent hood in combination with the rear wall defines a downwardly and forwardly directed exit opening. A hinged flapper is received by the rear wall of the vent hood for closing the exhaust aperture against outside air when exhaust from the dryer is not flowing through the aperture. In a larger designed embodiment of the exhaust vent, the flapper is replaced by a pair of overlapping and hinged louvers. The exit opening is covered by a grid-like guard which snaps onto the vent hood. The grid-like guard defines a substantially uniform pattern of grid openings for allowing the exhaust to flow freely therethrough. The guard is designed so as to prevent the nesting of birds and small animals inside of the vent hood. Three snap-in/ snap-on designs are disclosed involving a substantially planar guard. In another embodiment the substantially planar guard is replaced by a basket guard which creates a larger volume between the guard and the exit opening which permits lint and debris to be collected.
Patent CA-2244286-A1 (CA)
Title: Body cosmetic pigment composition and its producing method
Inventor: SIM HO CHIN
IPC: A61K8/00
Filed: 1998-09-11
Abstract: The present invention is related to a body cosmetic pigment composition used for enhancing elasticity of the skin and helping losing a weight and its method, in which the body cosmetic pigment composition includes various ingredients, such as calcium, potassium, iodine, selenium, alginic acid, and the like, extracted from either or both of brown seaweeds and sea tangles, and viscous solutions, such as inorganic silica, aluminum and magnesium, obtained from the loess. The body cosmetic pigment composition provides elasticity in excessively sagged muscles, provides pliability in a body, has an effect on losing of weight, contributes to prevent the skin from aging by providing the inorganic substance, the mineral and the like for skin cells through the capillary vessel connected to the skin, and further give effects to maintain physical fitness.
Patent CA-2245130-A1 (CA)
Title: Twisting cylinder display using multiple chromatic values
Inventor: SHERIDON NICHOLAS K
IPC: G09F9/37
Filed: 1998-08-18
Abstract: An electric type paper display having memory properties, rapid response times and multi-optical property display with an image of high quality is made. Each display element is wholly in contact with liquid in a cavity and the surface of each display element has a portion with a most positive charge. When an electrical field is applied from the outside, each display element is turned correspondingly to the direction of the electric field and, then electrically migrated through the liquid and attached to the inner surface of the cavity. Among multiple display surfaces of each display element an optical property is selected according to an image signal and is visible through a transparent support to an observer. Afterwards, the attached state of each display element, i.e., its display state is held by the action of an attraction force such as van der Waals force and electrostatic force acting between the circumferential surface of the display element and the inner surface of the cavity, even after the electric field is removed.
Patent CA-2246156-A1 (CA)
Title: Energy curable inks incorporating grafted pigments
Inventor: SCHWARTZ RUSSELL J
IPC: C09D11/02
Filed: 1998-08-31
Abstract: Solvent-free, energy curable low viscosity printing inks which contain a pigment; a rheological additive; an energy curable liquid vehicle which may be a cationic or a free radical initiated polymerization system, cured by actinic radiation; and optionally a photoinitiating system. The rheological additive has the structure P-(U- Y), wherein P is the residue of an organic pigment or dye, Y is a polyalkylene oxide moiety, U is a linking moiety covalently bonding Y to P and s is an integer from 1 to 3.
Patent CA-2246279-A1 (CA)
Title: Permanent magnet material composition and structure for eddy current suppression in a nuclear magnetic resonance sensing apparatus
Inventor: REIDERMAN ARCADY
IPC: G01R33/44
Filed: 1998-09-02
Abstract: A nuclear magnetic resonance well logging apparatus, comprising an antenna for inducing a radio frequency magnetic field in earth formations surrounding the apparatus and for detecting nuclear magnetic resonance signals from the earth formations; and a magnet for inducing a static magnetic field within the earth formations. The magnet is formed from a powdered, electrically conductive permanent magnet material. The grain size of the magnet material small enough with respect to the frequency of the radio frequency magnetic field to substantially prevent intragranular power loss of the radio frequency magnetic field. The magnet is formed from electrically isolated blocks of the magnet material each having a thickness less than a skin depth of the radio frequency magnetic field within the magnet material. The boundaries between the blocks are oriented to interrupt flow of eddy currents in the magnet resulting from the radio frequency magnetic field. In a preferred  embodiment, the magnet material comprises powdered, epoxy resin-bonded Samarium-Cobalt.
Patent CA-2246436-A1 (CA)
Inventor: CASTAGNER BERNARD
IPC: B60R22/28
Filed: 1997-02-11
Abstract: An energy absorbing force limiting system (SYLEC) consisting of a device that breaks evenly when compressed so that it limits the forces applied to a structure by a moving or accelerating mass, maintains a constant resistive force or one that obeys a selected law, and absorbs all or part of the kinetic energy. The device comprises a mechanical assembly (1-6) essentially consisting of a crushable element (1) made of woven composite materials and arranged between a fixed bearing (4) and a movable piston (3) connected to the source (6) of the force. One end of the crushable element (1) has a reduced compressive strength so that the break starts when the member is exposed to a force equal to the force required to continue the break. Said system is particularly suitable for motor vehicle seat belts.