baber/WOPTO huggingface dataset:
Patent CA-2023051-A1 (CA)
Title: Inflated tube arch walls
Inventor: WILLIAMSON VINCENT A
IPC: E04B7/00
Filed: 1990-08-09
Abstract: ABSTRACT   Known  air  inflated  tube walled structures in "Quonset Hut" or continuous archform  are made up of arch shaped fully round air inflated identical tubes lockedtogether  by  separate  joints  a  good  distance  apart between all neighboringtubes.    Such  structures are used to support additional outside covers againstwind  and  weather.  In the herein applied for invention, neighboring arch tubesare  locked  together  by  single  water proofed continuous joints extending thefull  length  of  the  tubes,  which  are  off  round  in the shape of two equalsegments  of  a  circle  joined together at the base.  The tubes so joined, whenthe  air  within  each tube is pressurized, form one tensioned structure betweenrigid grounded steel anchors at both ends of the structure.
Patent CA-2023950-A1 (CA)
Title: Fabric softening composition
Inventor: MOHAMMADI MANSUR S
IPC: C11D3/37
Filed: 1990-08-24
Abstract: Fabric-softening composition comprising an aqueous base and one or more fabric-softening materials, said composition having a structure of lamellar droplets dispersed in the aqueous base, said composition also comprising a deflocculating polymer comprising a hydrophilic backbone end one or more hydrophobic side chains.
Patent CA-2025064-A1 (CA)
Title: Camelback pallet trailer
Inventor: TRIPLETT JAMES T
IPC: B60P1/02
Filed: 1990-09-11
Abstract: CAMELBACK PALLET TRAILER     Abstract of the Disclosure A tractor trailer is disclosed herein as including linkage structure for the tractor and the rear wheel chassis which are arranged to connect to a trailer bed in the form of a pallet.  The pallet is constructed to sit upon the ground at a low height relative to the industry standard, easily mountable by workmen with climbing aids.  The linkage structures are nearly identical and utilize hydraulic rams to raise or lower an end of the pallet and place or remove the same relative to their respective wheel chassis.  Each of the linkage structures includes pins and link members, some of which may be interconnected to permit the raising and inverting of the rear wheel chassis and placing the same on the tractor chassis for transportation.
Patent CA-2026319-A1 (CA)
Title: Illuminating device incorporating gas-filled chambers
Inventor: DURAND AIME
IPC: H05B41/24
Filed: 1990-01-26
Abstract: The present invention concerns light sources. The light source, according to the inventiion, is essentially characterized in that it comprises two potential terminals (1, 2) a transformer coil having a primary with two windings (9, 12) and a secondary (16), a transistor (300), whereby the voltage terminal (1) is in turn connected to the transistor base (22), whose collector (23) is connected to the primary coil's second winding and whose emitter (24) is connected to the terminal (2), whereby a current capacitor (25) connects the second winding (12) to the terminal (2), a potentiometer (400) connects the terminal (1) to the capacitor (25), at the common point between the capacitor and the second winding, and whereby a sealed enclosure (19) with two electrodes (20, 21) contains a gas, said electrodes being connected to the secondary coil winding (16). Application: the invention may be used advantgeously in lighting of all types, industry, publicity, the home and the like.
Patent CA-2027007-A1 (CA)
IPC: B29C48/10
Filed: 1990-10-05
Abstract: TITLE Extrusion Process for Difficultly-Melt-Processible Polymers ABSTRACT         Greatly improved extrusion of compositions comprising difficultly-melt-processible polymers containing fluoropolymer process aids blended therein is achieved by the process of this invention wherein, prior to extrusion of the composition through the extruder and the die, another composition comprising a polymer resin containing a functionalized fluorinated copolymer that is comprised of copolymerized units of tetrafluoroethylene and a functional-group-containing fluoromonomer is first passed through the extruder and the die.
Patent CA-2027361-A1 (CA)
Title: Trifunctional polyoxyethylene diamine derivitires
Inventor: SPERANZA GEORGE PHILLIP
IPC: C07C237/08
Filed: 1990-10-11
Abstract: TRIFUNCTIONAL POLYOXYETHYLENE     DIAMINE DERIVATIVES  (Docket No. 80,729-F) ABSTRACT OF THE DISCLOSURE    Normally liquid trifunctional derivatives of polyoxy-ethylene diamines and unsaturated dicarboxylic acids useful as curing agents for epoxy resins are prepared by reacting an unsaturated carboxylic acid reactant selected from the group consisting of maleic acid, fumaric acid, anhydrides thereof and a C1 to C4 dialkyl maleates and fumarates with about 3 to about 3.5 moles of a polyoxyethylene diamine per mole of the unsaturated carboxylic acid component in the absence of a solvent with agitation at a temperature of about 30° to about 170°C. for a time within the range of about 2 to about 10 hours sufficient to evaporate water and alkyl alcohol reaction by-products, to thereby provide a trifunctional derivative having the formula:                                  (I) wherein R represents a group having the formula:                                  (II) wherein n has a value of 2 or 3.
Patent CA-2029634-A1 (CA)
Title: Load security system
Inventor: MORGAN BARRY A
IPC: G08B21/22
Filed: 1990-11-09
Abstract: ABSTRACT OF THE INVENTION:     A security system for ensuring that a platform is correctly loaded comprises a weight sensor sensitive to the laden weight of said platform when preliminarily check loaded with an authorised load, a memory for storing a value corresponding to said correct load, and a comparator connected to the weight sensor and to the memory and operative, when energised, to provide an alarm signal if the weight sensed upon energisation does not lie within a predetermined range of the authorised load.
Patent CA-2030090-A1 (CA)
Title: Sulfite modified continuous digesting
Inventor: STROMBERG BERTIL
IPC: D21C3/06
Filed: 1990-11-15
Abstract: ABSTRACT      In the production of paper pulp by the sulfite pulping process, the amount of sulfite cooking chemical consumed per ton of pulp produced is significantly lowered, a much lower K-No. can be achieved without screen plugging, the wash circulation temperature is lowered, and the digester runs better, in the practice of the invention. According to the invention, the wood chips entrained in sulfite cooking liquor are fed into the top of a digester, and flow co-currently to a central portion of the digester, at which portion waste liquor is extracted and passed to flash tanks.  An effective amount of the sulfite cooking liquor (preferably about 5-20%) utilized for producing the pulp is introduced into the vessel in the wash circulation, adjacent the bottom of the digester, to flow countercurrently to the material moving downwardly in the vessel.  The produced sulfite pulp is withdrawn from the bottom of the digester.  The invention is primarily applicable to acid or bisulfite pulping, but also can be utilized with alkaline or neutral sulfite pulping.  In some circumstances the entire cooking flow can be countercurrent (e.g. 5% up to close to 100% of the sulfite cooking liquor flows countercurrently to the material).
Patent CA-2030748-A1 (CA)
Inventor: BACKER MARCELLA R
IPC: C03B37/018
Filed: 1990-11-23
Abstract: An optical waveguide fiber with a fatigue resistant TiO2-SiO2 outer cladding including a cylindrical outermost layer with TiO2 concentration greater than 10.5 wt.% and thickness less than 3 µm. The fiber may include a two layer outer cladding with higher TiO2 concentration in the outer layer. The outer cladding may ionclude a plurality of inhomogeneities dispersed in a TiO2-SiO2 matrix.      A method of making an optical waveguide fiber with a fatigue resistant TiO2-SiO2 outer cladding, and a substantially glass blank for drawing into such fiber, wherein a glass soot TiO2-SiO2 outermost layer, with an initial TiO2 concentration greater than 10.5 wt.%, is deposited on a preform, and the preform is exposed to an atmosphere of chlorine at a high temperature, and the resulting TiO2 concentration in the outermost layer of the TiO2-SiO2 outer cladding of the substantially glass blank is less than the initial TiO2 concentration. In the glass blank form, the outermost layer includes a substantial volume percentage of crystalline phases and in the fiber form, the outermost layer includes inhomogeneities.
Patent CA-2032714-A1 (CA)
Inventor: MARUYAMA HIROSHI
IPC: C07C209/74
Filed: 1990-12-19
Abstract: Process for the preparation of dichloro-(2,2)-paracyclophane from p-methylbenzylhalide through 2(3)-chloro-p-methylbenzyltrimethylammonium halide by Hofmann elimination of 2(3)-chloro-p-methylbenzyl trimethylammonium hydroxide in an aqueous solution of alkali metal hydroxide, wherein the 2(3)-chloro-p-methylbenzyltrimethylammonium halide is prepared by chlorination of p-methylbenzyltrimethylammonium halide and the Hofmann elimination is conducted in the presence of dioxane.
Patent CA-2032734-A1 (CA)
Title: Benzoxazine derivative and benzothiazine derivative and herbicide comprising the same as active ingredient
Inventor: KAWAGUCHI NAOKO
IPC: A01N43/84
Filed: 1990-12-19
Abstract: BENZOXAZINE DERIVATIVE AND BENZOTHIAZINE   DERIVATIVE AND HERBICIDE COMPRISING   THE SAME AS ACTIVE INGREDIENT             ABSTRACT OF THE DISCLOSURE    A benzoxazine derivative and a benzothiazine derivative having the formula (I):                                          (I) wherein A is N or a CH group;           B is O, S, an SO group or an SO2 group; W is O, S, a CR4R5 group or an NR4 group wherein R4 and R5 are each independently a hydrogen atom, a CN group or an NO2 group;          X, Y and Z are each independently a hydrogen atom, a halogen atom or a lower haloalkyl group having 1 to 3 carbon atoms;          R1 is a hydrogen atom, a lower alkyl group having 1 to 5 carbon atoms, a lower alkenyl group having 2 to 5 carbon atoms, a lower alkynyl group having 2 to 5 carbon atoms, a lower hydroxyalkyl group having 1 to 5 carbon atoms or a lower haloalkyl group having 1 to 3 carbon atoms; and R2 and R3 are each independently a hydrogen atom, a lower alkyl group having 1 to 5 carbon atoms or an aryl group having 6 to 10 carbon atoms and a herbicidal composition containing the compound of the formula (I) as an active ingredient.
Patent CA-2032868-A1 (CA)
Title: Polymers containing malonic (met)acrylamide units
Inventor: BONACCORSI FABRIZIO
IPC: C08F20/52
Filed: 1990-12-20
Abstract: New homopolymers formed by malonic (met)acrylamide monomer units according to the following formula: (see formula I) wherein R is H or CH3; X is H or an alcaline metal or NH4;  and copolymers formed by (met) acrylamide monomer units (I) and monomer units (II).
Patent CA-2036175-A1 (CA)
Inventor: KO JUNG-WAN
IPC: H04N5/14
Filed: 1991-02-12
Abstract: Apparatus for spreading a control signal comprised of widening circuits for extending the control signal horizontally and vertically, a line signal spreading circuit for generating a ramp of increasing values during a given interval at the beginning of each extended control signal, maintaining the maximum value of the ramp for the remainder of the extended control signals and generating a ramp of decreasing values at the end of each extended control signal and also including a circuit for combining the signal values at corresponding points along a plurality of lines as the lines are scanned.
Patent CA-2036467-A1 (CA)
Title: Electrothermally operated actuator and seal
Inventor: BAKER WILLIAM E
IPC: A47F1/08
Filed: 1991-02-15
Abstract: Abstract of the Disclosure An improved actuator of the type in which a piston is  translatable  in  a piston housing  in  response  to an  expandable working fluid in fluid communication with one  end  of the piston.   An improved sealing  assembly prevents  leakage  of  working  fluid  from  the  piston housing.
Patent CA-2038983-A1 (CA)
Inventor: SIRCAR SHIVAJI
IPC: C07C43/04
Filed: 1991-03-25
Abstract: ABSTRACT     A process for preparing an alkyl-tert-alkyl ether wherein an olefin having a double bond on a tertiary carbon atom and a primary alcohol are reacted in the presence of a catalyst under conditions sufficient to produce an azeotropic alcohol/etherl/hydrocarbon mixture containing the alkyl-tert-alkyl ether.  The azeotropic alcohollether/ hydrocarbon mixture is subjected to a cyclic liquid phase adsorption process sequence to selectively remove the alcohol.  The resulting non-azeotropic ether/hydrocarbon stream can then be easily separated by distillation to provide the desired alkyl-tert-alkyl ether product and a hydrocarbon product.  The cyclic adsorption process employed to separate the alcohol from the ether/hydrocarbon mixture comprises introducing the alcohol/ether/hydrocarbon mixture into a plurality of adsorption columns containing an alcohol selective adsorbent, wherein each respective adsorption column undergoes successive steps of adsorption and desorption.
Patent CA-2039882-A1 (CA)
Title: Test carrier for the analysis of fluids
Inventor: KRAUSE MANFRED
IPC: G01N33/52
Filed: 1991-04-05
Abstract: ABSTRACT       Test  carrier  for  the  analysis  of  fluids with a frame consisting of at least two parts surround-ing a test field opening and with a test field disposed in  the  test  field  opening;    in  order  to  provide such  a  test  carrier  with  frame  with  which  it  is possible  to  assemble  the  test  field out  of  several test layers manufactured separately from one another, the  test  field is  designed as  a test  layer package with  test  layers  resting  loosely  on  one  another; the  frame  comprises  two  shaped  pieces  of  plastics material, one of which serves as base part and comprises a  seat  for  accommodating  the  test  layers,  while the other serves as lid part and comprises a bearing surface  resting  on  the  topmost  layer  of  the  test layer  package;  the  lid  part  and the base part  are in  addition  designed  with  elastic  properties  so that  the  pressure  with  which  the  bearing  surface presses  onto  the test layer package is substantially constant  in  the  tolerance  range  of  the  thickness of the test field package.
Patent CA-2043029-A1 (CA)
Inventor: BACHELARD ROLAND
IPC: C04B38/00
Filed: 1991-05-22
Abstract: L'invention a pour objet des préformes en céramiques. Ces préformes comprennent des plaquettes hexagonales d'alumine .alpha.. Leur procédé de fabrication comprend la mise en oeuvre d'alumine amorphe, de transition ou hydratée et d'un fondant fluoré. Ces préformes sont utilisables telles quelles ou pour la fabrication de composites.
Patent CA-2043272-A1 (CA)
IPC: H01J29/18
Filed: 1991-05-24
Abstract: ABSTRACT OF THE DISCLOSURE          A   projection   cathode-ray   tube   having   a   multilayered interference  film  interposed  between  a  face  plate  and  a cathode-ray  tube.   In  order  to  improve  brightness  in   a direction of the normal, then on a face plate, a phosphor layer is composed of a first layer substantially consisting of  large size  phosphor  particles  and  a  second  layer  substantially consisting  of small size phosphor particles.  In  addition,  a phosphor  density of the phosphor layer is set from 20  to  50% larger than that necessary to produce a maximum brightness on a cathode-ray  tube without the multilayered  interference  film.          The  phosphor particles of the phosphor layer are  coated  with material having a high reflectance.
Patent CA-2045144-A1 (CA)
Title: Wound healing agents
Inventor: KNIGHTON DAVID R
IPC: A61K35/16
Filed: 1990-01-08
Abstract: ABSTRACT OF THE DISCLOSURE           Platelet enriched plasma is produced from blood.          The platelets are activated by thrombin which causes the release of platelet-derived growth and angiogenesis factors. A carrier such as a microcrystalline collagen is added to produce a wound-treating salve.  The composition is applied directly to wounds and initiates healing in nonhealing wounds as well as accelerating normal wound-healing by increasing vascularization, stimulating fibroblast mitosis and migration, and increasing collagen synthesis by fibroblasts.  The composition is also applied to tissue to facilitate the growth of hair.
Patent CA-2045202-A1 (CA)
Title: Setback thermostat with recovery start time selected non-linearly
Inventor: BIRD DOUGLAS D
IPC: G05D23/19
Filed: 1991-06-21
Abstract: ABSTRACT OF THE DISCLOSURE    A setback thermostat controlling a device which holds and changes the temperature in a space includes the capability of sensing and recording the difference between the time at which recovery to a new setpoint temperature occurs and the selected time at which this temperature is specified to be reached, and if the difference is nonzero, calculates a new time at which to begin recovery the next time a change to the new temperature is specified.  The calculation of the time at which recovery begins takes account of the fact that greater time is required to achieve a one degree temperature change near the new setpoint temperature than far from it because of the additional thermal lead on the space as temperature nears the new set point.  A non-linear function is used to calculate the time at which recovery to the new temperature is begun.  The invention is included in a method for operation of the device which changes the space's temperature.
Patent CA-2046142-A1 (CA)
Inventor: TESSIER OMER
IPC: A47L4/00
Filed: 1991-07-03
Abstract: VERTICAL BLIND CLEANER ABSTRACT The fabric strips of vertical blinds are cleaned using a novel method of apparatus. A strip is laid on an elongate tray and wetted with an appropriate washing liquid, e.g. a detergent solution. The strip is then passed along the tray between two counter-rotating brushes which act to scrub the opposite surfaces of the strip. Downstream of the brushes, the strip is sprayed with a rinse liquid. It then travels over a perforated section of the tray where it is subjected to a low pressure from below by a vacuum box communicating with a wet-dry vacuum. The cleaned, partially dry strips can then be hung to complete drying.
Patent CA-2047546-A1 (CA)
Title: Socket for electric part
Inventor: MATSUOKA NORIYUKI
IPC: H01R13/648
Filed: 1991-07-22
Abstract: ABSTRACT OF THE DISCLOSURE    A socket for an electric part has a socket body formed of an insulating material and a plurality of contacts ar-ranged on the socket body and adapted to contact with ter-minals of an electric part.    The socket body has a conduc-tive pin implanted therein.    The conductive pin has a current-collecting portion adapted to collect electric charge on a surface of the sock set body, and a grounding portion directly connected to the current-collecting portion and projecting from the socket body.
Patent CA-2047939-A1 (CA)
Inventor: SIMARD LAVAL
IPC: E03D1/30
Filed: 1991-07-25
Abstract: La présente invention concerne un poids plat qu'on peut fixer au clapet des toilettes déjà existantes. Ledit poids plat peut avoir une forme en demi-lune afin de pouvoir épouser le plus parfaitement possible le contour des clapets bouchant la sortie d'eau des réservoirs de toilette déjà existants et y être fixé au moyen d'agrafes ou autrement. De plus, il a préférablement l'extrémité supérieure relevée vers le haut et plus épaisse que l'inférieure. Ce poids plat permet au clapet d'atteindre plus rapidement la couche d'air située au-dessus du niveau de l'eau une fois l'opération de chasse d'eau mise en branle, et, donc, de diminuer d'autant la quantité d'eau utilisée lors de cette opération.
Patent CA-2050353-A1 (CA)
Title: Method and processor for high-speed convergence factor determination
IPC: G06F7/38
Filed: 1990-12-03
Abstract: 2050353 9110188 PCTABS00006 A high-speed processor utilizes combinational logic and range limitation for a modified input value to increase efficiency in convergence factor determination for convergent division and square root computation. An input value (101) is modified to a value in a limited range (104), which is then partitioned into two subdivisions (106, 108). By utilizing these two groupings, the processing platform minimizes time consumption in conversion factor determination by inverting selected binary bits to form a modified factor (114) and utilizes that modified factor to facilitate high-speed convergence factor computation.
Patent CA-2053394-A1 (CA)
Title: Radiation emitting heating elements and structure
Inventor: HEATH JAMES E
IPC: B01J8/18
Filed: 1991-10-11
Abstract: ABSTRACT OF THE DISCLOSURE         A particular arrangement is disclosed for sealing of a tube or lamp which extends through the wall of a fluidized bed or through a furnace wall.  The seal arrangement includes a series of compressible ceramic washers which are compressed against the tube or lamp and are also compressed against the area about a port through which the lamp or tube extends.  A particular radiation lamp is also taught which has extended non-radiating end portions which accommodate more convenient sealing at either end of the lamp and separation of the end seals from the radiating portion of the lamp.
Patent CA-2053598-A1 (CA)
Title: Procedure and probe for detection of particulate matter in a liquid or gas stream
Inventor: SARGEANT JOHN P
IPC: G01N15/06
Filed: 1991-10-16
Abstract: A procedure for detecting particles in a fluid stream, comprising utilizing one or more probes (1) provided with at least one measuring element or erosion element (3). The probe is placed in a fluid stream, and the particle content is quantitatively determined by measuring changes of electrical resistance as a function of erosion (r) of the measuring element by contact with particles moving in the stream. The probe may be equipped with a measuring head having a V-like shape directed upstream, and the two planar surfaces defined by the V-like shape may each be equipped with one or more measuring elements.
Patent CA-2054752-A1 (CA)
Title: Pharmaceutical composition comprising loratadine, ibuprofen and pseudoephedrine
Inventor: CHO WING-KEE P
IPC: A61K9/30
Filed: 1990-05-02
Abstract: Pharmaceutical compositions for use in the treatment of cough/cold symptoms comprising loratidine, ibuprofen and pseu-doephedrine are disclosed.
Patent CA-2055227-A1 (CA)
Inventor: DURINCK RENE
IPC: B02C15/14
Filed: 1991-11-08
Abstract: The crushing procedure consists of forming a layer of the material to be crushed on a circular track inside a crusher (10) and crushing it with a roller (30). The pressure exercised by the roller is between 10 and 40 MPa, and the material being crushed is moved transversely across the track as it is rolled. The transverse movement covers only a fraction of the width of the track, which is made in a ring located inside a coaxial cylinder (12) and rotating in the opposite direction to the roller. The outside of the cylinder is constantlylubricated as it rotates on a fixed support (16).
Patent CA-2056714-A1 (CA)
Title: Vent cycle indicator for suction catheter
Inventor: BELL CRAIG J
IPC: A61M16/04
Filed: 1991-11-29
Abstract: ABSTRACT OF THE DISCLOSURE A vent cycle indicator for a suction catheter formed by a sleeve connected between a collar having a wiper seal and a crosspiece.  The suction catheter includes a vacuum connection member having a normally closed valve.  A catheter tube is connected to the vacuum connection member and extends through the collar and crosspiece.  The crosspiece is for connection to a ventilator such that during ventilation the indicator sleeve expands and contracts during the inspiration and expiration cycles.  The protective sleeve may be provided between the collar and the vacuum connection member to keep the catheter tube enclosed.
Patent CA-2062705-A1 (CA)
Inventor: SAKAMOTO SEIJI
IPC: C08L67/02
Filed: 1992-03-11
Abstract: Abstract of the Discloser There is disclosed a biaxially oriented polyester film characterized by containing 0.05-3 wt% of calcium carbonate particles each comprising 5-200 primary parti-cles having an average particle diameter of 0.02-0.2 µm and 0.01-0.5 wt% of inorganic or organic particles having an average particle diameter of 0.2-2 µm.  this film has excellent abrasion resistance and slipperiness.