baber/WOPTO huggingface dataset:
Patent CA-2017585-A1 (CA)
Title: Device for adjustably inclining, in conjugate manner, the backrest and seat of an armchair
Inventor: GUICHON JEAN-PAUL G
IPC: A47C1/032
Filed: 1990-05-25
Abstract: IN THE    CANADIAN      PATENT & TRADEMARK OFFICE            PATENT APPLICATION entitled: Device for adjustably inclining, in conjugate manner, the backrest and seat of an armchair in the name  of:               ABSTRACT OF THE DISCLOSURE      The armchair according to this invention com-prises a backrest and a seat articulated on each other and on the ground-engaging elements thereof whose armrests are themselves articulated on the backrest and joined to the ground-engaging elements via racks. In the device of the invention, the geometrical pivot axis of the backrest on the seat lies in front of the geometrical pivot axis of the backrest on the ground-engaging elements, and located, when the backrest is in completely erect position and in completely lowered position, respec-tively below and above the horizontal line passing through this geometrical pivot axis of the backrest on the ground-engaging elements.
Patent CA-2017950-A1 (CA)
Title: Food tray
Inventor: MCDONALD BRUCE
IPC: B65D5/22
Filed: 1990-05-31
Abstract: ABSTRACT OF THE DISCLOSURE A food tray for display of foodstuffs is made of rigid paperboard and includes a centrally located base panel having opposed sides and opposed ends and top and bottom major surfaces.   Opposed pairs of inner and outer side wall panels are provided,  with each outer side wall  panel  hingedly  connected  to and extending along a respective side of the base panel such that each side wall panel pair forms a side wall along each of the opposed sides of the base panel.  The inner side wall panels each have an elongated base flap hingedly connected thereto, each said base flap being secured to the top major surface of the base panel, and the base flaps defining opposed ends.  Opposed pairs of inner and outer end wall panels are provided, each outer end wall hingedly connected to a respective end of the base panel and each end wall panel pair being hingedly connected together to define an end wall extending along each of the opposed ends of the base panel.  End flap means are secured to opposing ends of said inner and/or outer side wall  panels,  said  end  flap  means  being  interposed between the associated inner and outer end wall panels to  assist  in  securing  the  side  and  end  walls  in assembled positions generally at right angles  to the base panel.   Each of the inner end wall panels has a locking means defined along an edge thereof which is arranged such that when the side and end walls are in their  respective  assembled  positions,  said  locking means lies in close juxtaposition to said base panel near the opposing ends thereof and in abutting relation to opposing ends of the base flaps which are secured to the base panel.   This serves to retain the inner and outer end walls in close juxtaposition to each other and thus,  together with said end flap means,  assists  in securing the  side and end walls in their respective assembled positions.
Patent CA-2019231-A1 (CA)
Title: Novel acetylcholinesterase inhibitors
Inventor: SCHIRLIN DANIEL
IPC: A61P25/28
Filed: 1990-06-18
Abstract: This invention relates to silylated aromatic fluoroketones possessing acetylcholinesterase-inhibiting properties and to their use in the treatment of Alzheimer disease and senile dementia.
Patent CA-2020405-A1 (CA)
Title: Polymer base blend compositions containing destructurized starch
Inventor: SILBIGER JAKOB
IPC: C08L3/02
Filed: 1990-07-04
Abstract: A composition of matter capable of being formed into articles having substantial dimensional stability comprising a) destructurized starch, and b) at least one polymer selected from the group of copolymers containing vinyl alcohol units together with aliphatic chain units which are obtained by copolymerizaion of vinyl esters, preferably vinyl acetate, with unsaturated monomers containing no functional group with subsequent hydrolysis of the vinyl ester group.     The composition may contain further conventional additives as well as hydrophobic, substantially water-insoluble polymers.
Patent CA-2023213-A1 (CA)
Title: Alkyl vinyl ether polymers containing a lactam functionality
Inventor: CHAUDHURI RATAN K
IPC: C08F216/16
Filed: 1990-08-14
Abstract: ALKYL VINYL ETHER POLYMERS      CONTAINING A LACTAM FUNCTIONALITY                             ABSTRACT      The invention relates to polymers containing units of the structure A.                             B.                 and               or B-1.                   or B-2.                                         or mixtures of A with more than one of B, B-1 and B-2; wherein R and R1 are each independently C1 to C18 alkyl;     R2 is oxygen, sulfur or -NR5-;          R5 is hydrogen or lower alkyl;          R3 is alkylene having from 3 to 6 carbon atoms, optionally mono- or di- substituted with lower alkyl;          W is hydrogen, -NH4, an alkali metal or an alkaline earth metal;        Y is alkylene;          Z is hydrogen, -NH4, an alkali metal or an alkaline earth metal or mixtures thereof;          X is lower alkyl, a hydroxy phenyl radical or mixtures thereof; t has a value of from 2 to 8 and m, m', m" and n independently have a value of from 30 to 3,500 and n represents at least 5 mole percent of the polymeric product.  The invention is also releated to the synthesis of the above polymers and to their use as superior adhesives which have significantly improved bond strength.
Patent CA-2023411-A1 (CA)
Inventor: VERLAETEN JEAN
IPC: C25B15/08
Filed: 1990-08-16
Abstract: Procédé de fabrication d'une lessive d'hydroxyde de sodium Procédé de fabrication de chlore et d'une lessive aqueuse d'hydroxyde de sodium, dans lequel on met en oeuvre une cellule d'électrolyse comprenant une chambre anodique et une chambre cathodique séparées par une membrane perméable sélectivement aux cations, on électrolyse une solution aqueuse de chlorure de sodium dans la chambre anodique et on électrolyse simultanément dans la chambre cathodique, un milieu aqueux contenant de l'hydroxyde de sodium dissous, obtenu en traitant une solution aqueuse de carbonate de sodium avec de la chaux. Figure unique.
Patent CA-2029091-A1 (CA)
Inventor: KITAMURA TAKEHIKO
IPC: B29C45/38
Filed: 1990-10-31
Abstract: An injection mold of the type in which a film gate of a resin is formed and in which shearing of the film gate is conducted by a movement of a gate cutter alone.  The gate cutter has a stepped cylindrical form with a main cylindrical portion of a greater diameter and a coaxial end cylindrical portion of a smaller diameter.  When the mold is closed, the end cylindrical portion being received in the bore of a confronting die leaving therebetween an annular gap of a radial size which determines a gate thickness.  The outer peripheral surface of the portion of the gate cutter received in the bore of the die presenting a gate land.
Patent CA-2033516-A1 (CA)
Inventor: BECKER MARK H
IPC: B23Q16/00
Filed: 1991-01-02
Abstract: ABSTRACT An improved method for forming holes in a board and an improved apparatus for practicing the improved method.  Two or three linear arrays of holes are punched through the board, through its expansive faces, in a punching zone.  A punch and a die coacting with the punch are used to punch each punched hole, in a press comprising a pressing ram and a pressing bed, upon relative movement of the pressing ram and the pressing bed toward each other.  The board is registered in the pressing zone, in a predetermined position, by engaging its opposite edges and its opposite ends.  Plural holes are drilled into each end of the board in a drilling zone.  A physical measurement is conducted in an inspecting zone, by inserting a probe into each drilled hole, so as to determine whether such drilled hole has been drilled to a minimum depth.  These punching, drilling, and inspecting steps of the improved method are carried out in a series of automated operations of the improved apparatus.
Patent CA-2037739-A1 (CA)
Inventor: NAKAYAMA MIKIO
IPC: H04L7/00
Filed: 1991-03-07
Abstract: A frame synchronization dependent type bit synchronization extraction circuit in an integrated service digital network (ISDN) terminal equipment (TE) connected to a reference point S/T of an ISDN basic user network interface, for establishing bit synchronization  between  an  internally  produced  signal  and received data.  To make the timing extraction jitter small and make the bit timing stable, it comprises a counter preset mode synchronization  unit,   a  digital   phase-lock   loop  mode synchronization unit, frame synchronization detection unit, and an inhibiting unit for inhibiting the operation of the counter preset mode synchronization unit, and the bit synchronization is effected  by  only  the  digital  phase  locked  loop  mode synchronization unit after the frame synchronization is detected by the frame synchronization detection unit.
Patent CA-2041081-A1 (CA)
Title: Water barrier formed from a clay-fiber mat
Inventor: WHITE ALEC W
IPC: E02D31/00
Filed: 1991-04-24
Abstract: A method of manufacturing a water barrier fabric, in flexible or rigid form, and article manufactured thereby, formed by dispersing a water-absorbent material, in powdered or granular form, among a mass of fibers during the formation of a loose mat of said fibers, to homogeneously disperse the powdered or granular water-absorbent material above, below and on each side of the fibers forming the mat, and thereafter densifying and structurally consolidating the mat, to secure the fibers in position surrounding and entrapping the water-absorbent material, such as by sewing, quilting, needle punching or otherwise bonding the fibers into a consolidated, structurally secure fabric at least partially filled with the powdered or granular water-absorbent material.
Patent CA-2044003-A1 (CA)
Inventor: BARLOW DOUGLAS C
IPC: G06F21/20
Filed: 1991-06-07
Abstract: A  computer  network  has  a  number  of  computers  coupled thereto at distinct nodes.   A trust realm table defines which computers are members of predefined trust realms. All the members of each predefined trust realm enforce a common  set  of  security  protocols  for  protecting  the confidentiality of data.  Each computer that is a member of a trust realm enforces a predefined security policy, and also defines a security level for each set of data stored in the computer.   Thus,  each message has an associated label  denoting  how to  enforce  the  computer's  security policy with respect to the message.  A trust realm service program prepares a specified message for transmission to a specified other computer system.   To do this it uses the trust realm table to verify that both the computer system and the specified computer system are members of at least one common trust realm,  and then selects one of those common trust realms.   The message  is transmitted as a protocol data unit, which includes a sealed version of the message, authenticated identifiers for the sending system and user, the message's label, and an identifier for the selected trust realm.   Received protocol data units are processed by validating each  of the  components  of the received protocol data unit before accepting the sealed message in the protocol data unit as authentic.  Further, the label in the received protocol data unit is used by the receiving computer to determine what predefined security policy is to be enforced with respect to the message.
Patent CA-2044199-A1 (CA)
Title: Process for the preparation of first change for rtv sih/sivi compositions in twin screw extruder
Inventor: LE BLANC LOIC
IPC: B29C48/41
Filed: 1991-06-10
Abstract: Process for the preparation of a dough which can be employed especially in compositions capable of being vulcanised by so-called polyaddition reaction and thus making it possible to obtain silicone elastomers, characterised in that the following are injected continuously and simultaneously into a twin-screw extruder, in at least four different places:   a) - a polydiorganosiloxane oil whose viscosity at 25 DEG C is lower than 500,000 mPa s, advantageously lower than 250,000 mPa s and containing at least two =Si-CH=CH groups per molecule,   b) - water,   c) - silica, d) - a polysilazane which is liquid under normal temperature and pressure conditions. p
Patent CA-2044546-A1 (CA)
Inventor: BRAULT RICHARD
IPC: B24B3/26
Filed: 1991-06-13
Abstract: PRÉCIS DE LA DIVULGATION L'invention a pour objet une méthode beaucoup plus rapide et précise que les méthodes connues, pour affûter plusieurs taillants simultanément, les taillants étant pivotés automatiquement pour que leurs faces soient affûtées successivement, tout en assurant un ajustement automatique de l'angle de chaque face à tailler par rapport à la meule. L'invention a également pour objet un appareil conçu pour mettre en oeuvre cette méthode selon laquelle on dispose chaque taillant à affûter de façon à ce qu'une première face de celui-ci soit sous un angle approprié pour être affûtée par une meule rotative; on déplace la meule de façon rectiligne pour affûter la première face du taillant; on fait pivoter le taillant d'une fraction de tour de façon à présenter une seconde face à affûter sous le même angle approprié; on déplace à nouveau la meule dans un mouvement rectiligne afin d'affûter la deuxième face du taillant; et on répète les deux dernières étapes ci-dessus pour affûter chacune des autres faces du taillant.
Patent CA-2044822-A1 (CA)
Title: Swimmer protection & pool safety warning device
Inventor: MERRITHEW WALTER F
IPC: G08B21/00
Filed: 1991-06-17
Abstract: SWIMMER PROTECTION AND POOL SAFETY WARNING DEVICE                               ABSTRACT   A swimmer protection and pool safety warning device comprises a portable sonic signal generating member worn by a swimmer in a pool, the signal generating member having a switch or similar device which is activated at a predetermined depth. Also included is a timer for detecting immersion at said predetermined depth for a predetermined time. On immersion occurring at the predetermined depth for the predetermined time, a sonic signal is generated, and detected by a receiver mounted in the pool. An alarm signal is generated to operate an alarm device. Calibration of the source signal generating member can be provided. i
Patent CA-2046826-A1 (CA)
IPC: B61F5/14
Filed: 1991-07-11
Abstract: A self leveling bearing for use on a freight railcar truck bolster having a major body with an arcuate undersurface and an upper friction face and a secondary friction body biased outwardly of a cavity within the upper friction face.
Patent CA-2053268-A1 (CA)
Title: Bacteriochlorophyll-a derivatives useful in photodynamic therapy
Inventor: DOUGHERTY THOMAS J
IPC: A61K41/00
Filed: 1990-03-29
Abstract: Compounds of formula (1) or formula (2), wherein M is a non-paramagnetic metal selected from Mg+2, Sn+2, and Zn+2, or represents 2 H+ each H+ bonded to one of the N atoms connected by the solid lines; R1 is a saturated or unsaturated hydrocarbyl residue of 8-25C; each R2 is independently selected from the group consisting of vinyl, ethyl, acetyl and 1-hydroxyethyl, and X is COOR3, wherein R3 is alkyl (1-4C); are useful in photodynamic therapy and diagnosis.  These compounds photosensitize target biological substrates to irradiation, and treating said substrates with these sensitizers followed by irradiation leads to the impairment or destruction of the biological substrate.  When administered systemically, these compounds accumulate in the undesired target biological substrate.  The compounds can also be utilized in vitro, for example to destroy infectious cells or viruses in blood intended for transfusion.
Patent CA-2053481-A1 (CA)
Title: Apparatus capable of moving in a tube, method of moving in a tube, and support mechanism
Inventor: MORITAKA MUNETOSHI
IPC: E21B4/18
Filed: 1991-10-15
Abstract: ABSTRACT OF THE DISCLOSURE           A method and apparatus for moving a creeper through a pipe or tube is shown and described.  At least two support members are moved alternately along the length of the pipe by means of a computer control.  The supports alternately support the apparatus, and each support may have two or more support arms which are computer controlled.     H:/spec/tomita.rrs
Patent CA-2054310-A1 (CA)
Title: Multiple tires on a single wheel
Inventor: OZAKI YASUSHI
IPC: B60C23/16
Filed: 1991-10-28
Abstract: This invention relates to a combination of multiple tires disposed adjacently parallel to each other on a single wheel, respective inner spaces of the multiple tires being communicated with each other by way of an airflow piping. The airflow piping comprises a pneumatic pressure control valve which can be opened ar closed due to an air-leaking candition of the multiple tires. When one of the multiple tires leaks air rapidly, the pneumatic pressure of the other normal tire is also decreased, thereby allowing the driver to notice the puncture. If the former leaks air slowly, its air is supplied by the latter, respective pneumatic pressures are going to become equal, thereby the driver can drive for a certain time and be free from any serious accident that may occur when he is unaware of the puncture.
Patent CA-2057842-A1 (CA)
Title: Human monoclonal antibody
Inventor: MEKADA EISUKE
IPC: C12R1/91
Filed: 1991-12-17
Abstract: ABSTRACT   A human monoclonal antibody with the class of immunoglobulin being IgM and with the type of L-chain being ? and capable of recognizing a common antigen of ganglioside GM3 (N-acetylneuraminic acid), GTlb, GD3, GDla and GQlb present on the surface of a melanoma cell of MeWo, M12, M14 or G-361.
Patent CA-2058600-A1 (CA)
Title: Pincette for an ocular lens
Inventor: TANAKA TOYOYASU
IPC: A61F2/16
Filed: 1991-12-30
Abstract: Abstract of the disclosure A pincette for an ocular lens comprises a pair of arm portions which are crossed each other and fulcrumed and continuous via a curved portion having a resilient property side and a stopper which is formed approximately in the crossed portion and contacted with each other when the arm portion is closed.
Patent CA-2058609-A1 (CA)
Inventor: CHAKRAVARTI KALIDAS
IPC: D06M101/16
Filed: 1991-12-30
Abstract: ABSTRACT A composition and a process  for producing adhesive-active  polyester  yarn  comprising  coating polyester fibers with an overcoat finish composition. The process relates to applying the finish to the yarn, forming the coated yarn into cords, and treating the cords with a conventional resorcinol-formaldehyde latex (RFL)  dip and subsequently embedding adhesive-active yarn into a rubber article.  The composition comprises an aziridine compound, a diluent, and a wetting agent. The special finish application allows the formation of a  coated yarn with  improved bond  strength,  and  in particular improved bond strength to rubber articles.
Patent CA-2059258-A1 (CA)
Title: Hydrogel material
Inventor: ASKARI SYED H
IPC: G02C7/04
Filed: 1992-01-13
Abstract: A polymeric composition suitable for use in ophthalmic devices such as contact lenses, intraocular lenses and other medical and non-medical devices which composition comprises a copolymer that incorporates repeating units containing a solvolyzable group and various desired hydrophilic repeating units in predetermined ratios, which copolymer is mechanically stable and upon hydration the dimensions of polymeric articles which as formed therefrom can be controlled. In particular, the hydrophilic compositions resulting from the invention are useful in applications where stresses and distortions of the polymer article due to water absorption etc must be minimized or, if possible, eliminated.
Patent CA-2060138-A1 (CA)
Title: New use of the adenosine antagonist
Inventor: SHIOKAWA YOUICHI
IPC: C07D473/22
Filed: 1992-01-28
Abstract: ABSTRACT           A pharmaceutical composition for the prevention and/or treatment of pancreatitis and/or ulcer is disclosed.  The composition comprises, as an active ingredient, an adenosine antagonist or a pharmaceutically acceptable salt thereof in admixture with a pharmaceutically acceptable carrier or excipient.
Patent CA-2060421-A1 (CA)
Title: Digitizing scanning apparatus and method
Inventor: GERLACH RICHARD K
IPC: H04N1/21
Filed: 1992-01-31
Abstract: ABSTRACT OF THE DISCLOSURE           A digitizing scanning apparatus for scanning and recording an image in digital form for ultimate reproduction.  The image preferably adopts the form of or is included in a light transmissive document such as an X-ray film or the like.  The document is moved in a first direction through the apparatus in a document feeding path and exposed to a source of light which extends transversely with respect tot the direction of movement of the document and is located with respect to a scanning element, such as a charge coupled diode.  As the document is moved into the housing past the charge coupled diode, light levels are calibrated for the dark and light areas of the document.  The document is then moved in a second direction, opposite the first direction, and data is read from the document and digitized and stored in a central storage for ultimate reproduction.  A unique drive system is provided for moving the document in both directions in the document feeding path.  The drive mechanism comprises a plurality of floating idler rollers with drive rollers disposed therebeneath.  The idler rollers are mounted for vertical shiftable movement so that a document having a thickness greater than the gap between the drive rollers and the idler rollers can bias the idler rollers in response to movement of the document.  Adjustment screws are provided for adjusting the tension of the idler rollers.  The apparatus also provides a unique scan calibrating system which calibrates the document being scanned and which also defuses the light so as to avoid creation of light streaks on the image.
Patent CA-2064731-A1 (CA)
Title: Tuftsin analogs
Inventor: NISHIOKA KENJI
IPC: A61P31/04
Filed: 1990-03-30
Abstract: The tuftsin analog Thr-Lys-Leu-Lys has been found to have biological activity superior to that of tuftsin itself.
Patent CA-2066514-A1 (CA)
Inventor: BAER MARK
IPC: F16B21/18
Filed: 1992-04-21
Abstract: For preventing the spread, that is the radial widening, of the sides of a clip ring, a retainer or spread preventer is provided in the shape of a cup washer with the internal periphery of its annular ring part sized to engage the outer sides of the clip ring to prevent the clip ring sides from spreading.  The clip ring may be disposed on a shaft, and the clip ring may be caused to spread wide by the shaft being moved axially, which draws the clip ring against a stationary abutment, and the retainer prevents such spreading.
Patent CA-2069662-A1 (CA)
Inventor: PAWLIK JOHN L
IPC: B22C9/08
Filed: 1992-05-27
Abstract: In a casting mold, refractory filled segments are provided between adjacent riser seats to provide more uniform and more controlled cooling of the molten metal to reduce microporosity in the cast product.
Patent CA-2071347-A1 (CA)
Title: Expandable high performance fifo design
Inventor: AMINI NADER
IPC: G06F5/06
Filed: 1992-06-16
Abstract: EXPANDABLE HIGH PERFORMANCE FIFO DESIGN                      ABSTRACT OF THE DISCLOSURE      An arrangement of cells with input and output steering circuitry  as  well  as  internal  shifting  capabilities  is disclosed which advantageously provides a first in/first out (FIFO)  register circuit which can be written to and read from in contiguous clock cycles.  The FIFO register circuit is provided with  an  arrangement  of  self  contained  FIFO cells,  each cell containing its own input multiplexer and control circuitry.