baber/WOPTO huggingface dataset:
Patent CA-2091814-A1 (CA)
Title: Mode selective quadrature amplitude modulation communication system
Inventor: PAIK WOO H
IPC: H04N7/00
Filed: 1993-03-17
Abstract: A quadrature amplitude modulation (QAM) communication system is provided in which data can be communicated in any one of a plurality of QAM modes, such as 16-QAM, 32-QAM, and 64-QAM (30). A receiver (70) detects the particular QAM mode transmitted on a trial and error basis, by attempting to decode the received data using different QAM modes until a synchronization condition is detected. The synchronization condition can require that a plurality of different synchronization tests be met. In a specific embodiment, a first synchronization test is met when a renormalization rate of a trellis decoder (90) is below a threshold value. A second synchronization test is met when a first synchronization word is detected in the received data. A third and final synchronization test is met when a second synchronization word is detected in the received data. In order to reduce the cost of the receiver, most of the QAM mode dependent components (76, 80, 84, 90, 98, 102) are implemented using look-up tables stored in PROMs.
Patent CA-2094727-A1 (CA)
Title: Hydrogen-containing chlorofluorocarbon aerosol medicaments
Inventor: TAYLOR ANTHONY J
IPC: A61K31/56
Filed: 1991-11-07
Abstract: Aerosol formulations comprising: (A) a medicament selected from the group comprising salmeterol, fluticasone esters, 4-amino-3,5-dichloro-.alpha.-[[[6-[2-(2-pyridinyl)ethoxy]hexyl]amino]methyl]  benzenemethanol and physiologically acceptable salts and solvates thereof in particulate form and having a surface coating of a surfactant; and (B) a hydrogen-containing fluorocar-bon or chlorofluorocarbon propellant; and methods for their preparation.
Patent CA-2095430-A1 (CA)
Title: 2-decarboxyl-2-aminoalkyl-prostaglandins as ocular hypotensives
Inventor: CHAN MING FAI
IPC: C07C405/00
Filed: 1991-10-30
Abstract: The present invention concerns 2-decarboxyl-2-aminoalkyl derivatives of naturally occurring and synthetic prostaglandins, N-substituted derivatives, ester prodrugs and homologues of such compounds that are potent ocular hypotensives, and are particularly suitable for the management of glaucoma.
Patent CA-2101117-A1 (CA)
Title: Methods for detecting alzheimer's disease
Inventor: NIXON RALPH A
IPC: A61K38/55
Filed: 1993-07-22
Abstract: Abstract Methods for screening individuals for Alzheimer's disease are disclosed. Also disclosed are antibodies that immunochemically react with the isoforms of calcium-activated neutral proteinases which are characteristic of Alzheimer's disease. Also disclosed are methods for screening drugs which are useful in treating or preventing Alzheimer's disease.
Patent CA-2101521-A1 (CA)
Title: 5-heteroyl indole derivatives
Inventor: NOWAKOWSKI JOLANTA TERESA
IPC: A61K31/42
Filed: 1992-02-03
Abstract: Compounds of formula (I), wherein R1 is hydrogen, C1 to C6 alkyl, phenyl, benzyl, -COR4, or -SO2R4; R2 is (1), (2) or (3); R3 is -(CH2)d-Z; Z is (4); R4 is C1 to C6 alkyl, phenyl, or benzyl; R5 is hydrogen or C1 to C6 alkyl;  R6, R7, R11, R12, and R13 are each independently hydrogen or C1 to C6 alkyl; either R8 or R9 is hydrogen, C1 to C6 alkyl, halogen-substituted C1 to C6 alkyl, 1-pyrrolidynylmethyl, 1-piperidynylmethyl, cyclopentylmethyl, cyclohexylmethyl or (5) with the other being the bond between R3 and Z; Q is (6) or (7).
Patent CA-2101936-A1 (CA)
Title: Method for automatically packaging photographic prints and apparatus for implementing the method
Inventor: COSTA GIANLUIGI
IPC: G03D15/00
Filed: 1992-02-17
Abstract: A method for automatically packaging photographic prints, characterised by: separating the pack of prints (6) relative to each order into two print sub-packs, turning each print (6) of one sub-pack over with respect to the corresponding print of the other sub-pack, coupling each overturned print with the corresponding unturned print to form a pair of prints in which the surface containing the photographic image is facing outwards, simultaneously inserting the two prints of each pair into the same pocket (8) of a continuous web (4) formed from two sheets of transparent material joined together along one edge and comprising a plurality of equidistant transverse joining lines (10) defining a succession of pockets, after this insertion, advancing said web (4) through a distance equal to the distance between the axes of the pockets (8), inserting the next pair of prints (6) into the next pocket (8) of the continuous web (4), and transversely cutting the pocket web in accordance with the type of packaging required for that order.
Patent CA-2104188-A1 (CA)
Title: Wireless personalized communications system
Inventor: KOLIPAKAM MURTHY
IPC: H04M3/38
Filed: 1993-08-16
Abstract: WIRELESS PERSONALIZED COMMUNICATIONS SYSTEM          Abstract A facility is provided for allowing a subscriber of wireless communications services to associate his/her subscription of features provided by that system with a wired communications system. Accordingly, then, the subscriber may place a telephone call via the latter system as though the call were being placed via the former system.
Patent CA-2107935-A1 (CA)
Inventor: MEPPELINK RANDALL J
IPC: C09D7/61
Filed: 1993-10-07
Abstract: A venetian blind slat or coil of venetian blind slat substrate, such as aluminum, is first coated with a conductive primer. An anti-static conductive coated is applied thereover. The resultant coated finished blind slat and its associated spaced horizontal slats have sufficient conductivity to resist airborne dust particle accumulation with reductions in dust accumulation of from 36% to about 82% being attained, as compared to colored paint insulative coating on standard venetian blinds. An inorganic, inert conductive additive such as stannous oxide is employed in the anti-static conductive coating, resulting in coating conductivities of less than 10 6 ohms per square and, in a preferred embodiment, from about 10 ohms per sure to 10 5 ohms per square.
Patent CA-2108011-A1 (CA)
Title: Method and apparatus for analyzing the glycation of hemoglobin
Inventor: SAUNDERS ALEXANDER
IPC: G01N33/66
Filed: 1992-03-16
Abstract: As red blood cells age, their hemoglobin is progressively glycosylated. This invention relates to analyzing the history of blood sugar metabolism over a period of several months by taking a blood sample, separating the cells into age-ordered cohorts, determining glycohemoglobin levels in the cells of each cohort, and correlating glycohemoglobin levels with red blood cell age, while correcting for the reversibility of the Amadori rearrangement.
Patent CA-2108680-A1 (CA)
Title: Improved retard systems for the sustained release of medicinal and/or biological valuable materials from a depot carrier material
Inventor: RITTER WOLFGANG
IPC: A61K47/34
Filed: 1992-04-11
Abstract: IMPROVED RETARD SYSTEMS FOR THE SUSTAINED RELEASE OF MEDICINAL AND/OR BIOLOGICAL VALUABLE MATERIALS FROM A DEPOT CARRIER MATERIAL                   Abstract of the Disclosure The invention, in a first embodiment, relates to the use of  free  radical-reactive  cross-linker components based  on olefinically unsaturated esters  of  lower hydroxycarboxylic acids and/or oligomers thereof for modifying depot materials, and especially retard systems, which contain medicinal and/or biological valuable materials  in admixture with a  carrier material in a sustained release of the active substance(s) in practical  application.    The  cross-linkers  are  present  as polymer  compounds  in  the  application  form of  the  retard system and may be provided in the retard system or depot material to be applied in a largely homogeneous as well as in a non-uniform distribution.      The invention further relates to retard systems which contain medicinal and/or biological valuable materials and have been based on oligomer and/or polymer compounds of lower hydroxycarboxylic  acids  as  carrier  materials  providing  a sustained  release of  the  active  substance,  the  invention being characterized in that said retard systems and/or depot materials have been modified with polymer compounds prepared from olefinically unsaturated esters of lower hydroxycarb-oxylic acids and/or oligomers thereof.
Patent CA-2110449-A1 (CA)
Inventor: FURLAN WAYNE ROBERT
IPC: C09J131/04
Filed: 1993-12-01
Abstract: Colle mastic à base d'eau, renfermant un liant polymérique sous forme d'émulsion aqueuse, constitué d'un mélange de 25 à 75 parties en poids de copolymère d'acétate de vinyle et d'éthylène, et de 75 à 25 parties en poids d'homopolymère d'acétate de vinyle sous forme d'émulsion aqueuse, avec comme base 100 parties en poids de polymères solides.
Patent CA-2111898-A1 (CA)
Title: Process for manufacturing l-(-)-carnitine from a waste product having opposite configuration
Inventor: GIANNESSI FABIO
IPC: C07C227/30
Filed: 1993-12-20
Abstract: The present invention relates to a proces for manufacturing L-(-)-carnitine from D-(+)-carnitine or a derivative thereof. D-(+)-carnitine is esterified in order to protect the carboxyl group and subsequently converted to an acyl derivative. The acyl derivative is then converted to a lactone of L-(-)-carnitine. Finally, the lactone is reopened to obtain L-(-)-carnitine.
Patent CA-2112122-A1 (CA)
Title: Method for changing railway sleepers and equipment for applying the method
Inventor: NIIRANEN JAAKKO
IPC: E01B29/09
Filed: 1992-06-23
Abstract: The object of the invention is a method for changing railway sleepers. In this method the sleepers (2) of the rails (1) are removed and new sleepers (3) are put in place. By using a lifting device (4) the rails (1) are lifted, at the same time they are loosened from the sleepers, the sleepers (2) are removed from under the rails and new sleepers (3) are brought under the rails and the railway ground is levelled by using a plough (5) which is placed under the rails (1) and which is pulled by the working machine (6).  In addition, the object of the invention is equipment which permits the application of the method. At present, changing sleepers is slow and it requires much time to move equipment on to and off from the line. In the method, according to the invention, the plough (5) is used as a foundation base on which the rails rest during the work, and the plough can be left under the lifted railway section when the work has to be interrupted so that trains can run over it. In the equipment, according to the invention, the working machine (7) has supporting stands (11) which support it when it is lying on top of the rails, and during the work the working machine and the plough have been arranged to support the railway line.
Patent CA-2113111-A1 (CA)
Inventor: DAMES ANDREW
IPC: H01G4/40
Filed: 1992-07-09
Abstract: An antipilferage tag is disclosed which includes a resonant circuit adapted to receive an RF signal and to transmit a response signal when interrogated by said RF signal. The tag includes circuit components constituted by or fabricated from a metallised layer supported by a dielectric material.
Patent CA-2114713-A1 (CA)
Title: Library screening method
Inventor: TRECO DOUGLAS A
IPC: C12Q1/68
Filed: 1991-11-21
Abstract: Materials and methods for homologous-recombination screening of DNA libraries constructed in a eukaryotic host and methods for homologous-recombination chromosome walking for isolating overlapping DNA sequences for building an extended physical map of a chromosomal region.
Patent CA-2115763-A1 (CA)
Title: Thermosetting powder coating compositions
Inventor: BARBEE ROBERT B
IPC: C09D175/04
Filed: 1992-08-26
Abstract: Provided are novel thermosetting powder coating compositions comprised of an aliphatic polyester, an aromatic polyester, and a self-blocked polyisocyanate. Also provided are shaped or formed articles coated with these compositions and cured.
Patent CA-2116169-A1 (CA)
Title: Low ecotoxic emulsifiable concentrate formulations of pesticides
Inventor: LUBETZKY DAVID
IPC: A01N25/02
Filed: 1994-02-22
Abstract: In accordance with the present invention there is provided an EC pesticidal formulation comprising:        (1)  at least one pesticide having melting point of 130°C or less;        (2)  a plasticizer selected from the group consisting of rosin or rosin derivatives insoluble in water;        (3)  at least one surfacant; and (4)  at least one polaric solvent completely or partially soluble in water to make up to one liter.    This affords EC formulations  which have low irritation and suprisingly improved biological activity to target species.
Patent CA-2116474-A1 (CA)
Inventor: BROOKS DREW E L
IPC: B25C5/00
Filed: 1994-02-25
Abstract: In a pivoting arm stapling device, it is known to have a pivot system applicable only to large staplers of a type no longer in use. In this invention, the pivot system enables the pivoting arm to be applied to any design of stapler currently in use.
Patent CA-2116504-A1 (CA)
Inventor: KAGEYAMA HIDEAKI
IPC: C21D1/20
Filed: 1994-02-25
Abstract: High-strength bainitic steel rails with an excellent rolling-contact fatigue resistance containing 0.15% to 0.45% carbon, 0.15% to 2.00% silicon, 0.30% to 2.00% manganese, 0.50% to 3.00% chromium, and optionally at least one element selected from a group of molybdenum, nickel, nickel, copper, niobium, vanadium, titanium or boron is provided. The obtained rail exhibits a hardness of Hv 300 to 400 in the center of the rail head surface of the head and not lower than Hv 350 in the gage corner, and the hardness of the gage corner is higher than that of the center of the rail head surface by Hv 30 or more. <IMAGE>
Patent CA-2119366-A1 (CA)
Inventor: BOCHTLER ALFRED
IPC: H01C1/082
Filed: 1992-09-08
Abstract: PCT No. PCT/DE92/00762 Sec. 371 Date Mar. 21, 1994 Sec. 102(e) Date Mar. 21, 1994 PCT Filed Sep. 8, 1992 PCT Pub. No. WO93/06605 PCT Pub. Date Apr. 1, 1993.A liquid cooled, heavy duty resistor including a housing and a resistor element. The resistor element is arranged inside a chamber defined by the housing. The resistor element and the housing form a rectangular duct through which a cooling liquid flows from an inlet to an outlet. The chamber is defined by two insulating plates and an insulating ring. The resistor element is a bifilar wound spiral strip conductor and is clamped between two insulating plates such that the cooling liquid flows through the rectangular duct. The liquid cooled, heavy duty resistor can remove a high dissipated power in a small space, has low inductance, and has a low resistance value.
Patent CA-2123100-A1 (CA)
Inventor: MARTIN JOHN S
IPC: C07C41/05
Filed: 1992-10-30
Abstract: A process for the production of bis(fluoromethyl)ether by contacting formaldehyde with hydrogen fluoride in a reaction/ distillation vessel. The reaction/distillation vessel is preferably a reaction/distillation column through which formaldehyde and hydrogen fluoride preferably flow in counter current. The bis(fluoromethyl)ether may be converted to difluoromethane, prefer-ably by heating the bis(fluoromethyl)ether to elevated temperature in the presence of a metal, metal oxide, metal fluoride or metal oxyfluoride catalyst.
Patent CA-2127814-A1 (CA)
Title: Coating composition which is applied to a substrate and contains ultra fine tio2
Inventor: KARL WOLF-RUEDIGER
IPC: C09D5/36
Filed: 1994-07-12
Abstract: A coating composition is described, which is applied to a substrate and contains ultra fine TiO2. This coating composition consists of 0.5 to 30.0% by volume colored pigment and/or carbon black, 55.0 to 98.5% by volume binder solids content and 0.3 to 15% by volume ultra fine TiO2 having a particle size of 5 to 40 nm. It has a high total reflectance and is of intensive depth of color. The production of this coating composition is also described.      This coating composition is useful as a finishing lacquer for motor vehicles, industrial coating, printing ink, coil coating, package coating, plastic coating and decorative paint. It is also useful as varnish.
Patent CA-2129259-A1 (CA)
Title: Manipulable hand for laparoscopy
Inventor: ORTIZ MARK
IPC: A61B1/00
Filed: 1994-07-29
Abstract: ABSTRACT OF THE DISCLOSURE           A manipulable hand for use in laparoscopic surgery is disclosed, having a master or control hand with clamps for attaching the master hand to that of an operator, the master hand having at least one finger, the finger having at least one hinge corresponding to an interphalangeal joint in a human hand.  The manipulable hand further includes a slave or controlled hand, distally disposed from the operator, the slave hand having at least one finger, the finger having at least one hinge corresponding to an interphalangeal joint of a human finger.  Both the master and slave hinges are capable of movement corresponding to flexion and extension of a human finger.  The master hand and the slave hand are connected by motion transmission rods or cables, and the movements of the slave hand corresponds one-for-one to the movement of the master hand.  The preferred embodiment of the manipulable hand has two fingers and a thumb, the thumb of both the master and slave hands is capable of movements corresponding to palmar adduction and abduction, and the fingers of both the master and slave hands are capable of coplanar spreading away from each other and moving back toward each other, moving from a substantially aligned position to a V-shaped configuration.  The rods are enclosed within a hollow shaft, and the master and slave hands are mounted with parallel connections therebetween forming wrists at the ends of the shaft.
Patent CA-2129546-A1 (CA)
Title: Method of organizing communication and system for carrying out the meth0d
Inventor: JONSSON BJOERN E R
IPC: H04Q3/00
Filed: 1993-02-01
Abstract: A method and a system for establishing communication between two users over at least one telecommunication network, The invention is characterized in that communication is established in the form of a meeting between the users. The users cooperate in the establishment of the meeting by the first user. A sending a meeting request to an intermediary, called meeting broker, which negotiates with the users in order to establish the conditions under which the proposed meeting shall take place. A connection between the users is not established on the initiative of the meeting broker until both users are in agreement with the conditions.
Patent CA-2130670-A1 (CA)
Title: Improvements in or relating to contrast agents
Inventor: KLAVENESS JO
IPC: A61K49/22
Filed: 1993-03-05
Abstract: Contrast agents comprising gas-containing or gas-generating polymer microparticles and/or microballoons, in which the polymer is a biodegradable polymer containing units of formula -[-(O)m-CO-O-C(R1R2)-O-CO-(O)n-]- (wherein R1 and R2 each represent hydrogen or a carbon-attached monovalent organic groups or together form a carbon-attached divalent organic group, and m and n are each independently zero or one) may be used in diagnostic applications such as ultrasounds and MR imaging.
Patent CA-2137094-A1 (CA)
Inventor: PLANETA MIREK
IPC: B29D28/00
Filed: 1994-12-01
Abstract: Woven plastic material is formed from woven strips of laminated multi-layer plastic film. Each strip has an inner layer of synthetic plastic material with a first melting temperature and two outer layers of synthetic plastic material on opposite sides of and bonded to the inner layer, the outer layers being of a synthetic plastic material with a second melting temperature lower than the first melting temperature. The woven strips comprise longitudinally-extending strips and transversely-extending strips interwoven therewith, and the outer layers of crossing longitudinally-extending strips and transversely-extending strips are bonded together at crossing locations.
Patent CA-2138841-A1 (CA)
Title: Dispositif et methode de generation d'images d'infographie tridimensionnelle
Inventor: MOCHIZUKI YOSHIYUKI
IPC: G06T15/00
Filed: 1994-12-22
Abstract: Un appareil de l'invention génère une image comportant plusieurs pixels en projetant plusieurs données de texture sur la surface d'un objet. L'appareil comprend : une section de transformation géométrique pour la transformation géométrique d'une surface courbe définie dans un espace tridimensionnel vers une surface courbe dans un espace d'écran bidimensionnel; une section de génération de micro-polygones pour diviser la surface courbe dans l'espace bidirectionnel en plusieurs surfaces courbes partielles en fonction du nombre de données de texture, et pour générer un micro-polygone en fonction de chacune des surfaces courbes partielles; une section de détermination de la contribution en surface pour déterminer la contribution en surface du micro-polygone à un pixel inclus dans l'image, en fonction d'une relation de position relative entre le micro-polygone et le pixel; une section d'acquisition des données de texture pour l'acquisition de données de texture en fonction du micro-polygone; et une section de détermination de la valeur d'intensité pour déterminer la valeur d'intensité du pixel en fonction de la contribution en surface déterminée par la section de détermination de la contribution en surface ainsi que des données de texture acquises par la section d'acquisition des données de texture.
Patent CA-2143625-A1 (CA)
Title: Arthropodicidal tetrahydropyrimidines
Inventor: MCCANN STEPHEN F
IPC: C07D487/04
Filed: 1993-08-26
Abstract: Arthropodicidal compounds, compositions and arthropodicidal use of compounds having formula (I), wherein R1, R2 and n are as defined in the text.
Patent CA-2143897-A1 (CA)
Title: Method and apparatus for compiling audio/video information from remote sites into a final video program
Inventor: SCHWAB BARRY H
IPC: H04N7/14
Filed: 1995-03-03
Abstract: Video images and/or audio clips are rapidly and efficiently assembled into a finished program master recording for playback, including subsequent duplication.  The images and audio portions may be collected locally or from remote sites in a variety of still video,  motion,  or multimedia formats.    To  reduce  bandwidth  or  storage  requirements, proprietary   or   commercially   available   compression/ decompression data algorithms preferably are utilized during transmission and accumulation.   Once a complete program is available the images and/or audio portions may be replayed automatically in a predetermined sequence, thereby allowing the program master video tape or disc to be recorded and distributed in a timely manner.   As an alternative,  the program  presentation  may  be  played  back  directly  to  a plurality of video recorders to effect duplication.   In a further alternative,  the program presentation may be made available over communication links, allowing users to access the program information in blocks or by way of user-directed search.