baber/WOPTO huggingface dataset:
Patent CA-1292440-C (CA)
Title: Field generator for generating an electrostatic field in a body of liquid
Inventor: ARNESEN TORE C
IPC: B03C5/02
Filed: 1986-08-27
Granted: 1991-11-26
Abstract: FIELD GENERATOR FOR GENERATING AN ELECTROSTATIC            FIELD IN A BODY OF LIQUID     ABSTRACT OF THE DISCLOSURE:    A  field  generator for generating  an  electrostatic  field within  a  liquid  is provided with a cylindrical body  having  a protective non-conducting coating covering a major portion of its length, a first boss comprising a mounting boss enclosing one end of the body in protective sealing relation therewith and a second protective boss similarly mounted in protective sealing  relation at  the other end of the body independently of the first boss  to provide a rodless field generator construction. In one embodiment the  field generator is employed in combination with an enclosing pipe  for conducting a flow of liquid past the  field  generator, the  pipe being secured in axially constraining relation with  at least one of the end bosses.
Patent CA-1308595-C (CA)
Title: Photosensitive composition
Inventor: AOAI TOSHIAKI
IPC: G03F7/021
Filed: 1986-11-20
Granted: 1992-10-13
Abstract: ABSTRACT OF THE DISCLOSURE A photosensitive  composition is  described, comprising  a  diazonium  compound  and  a  polyurethane resin  having  a  carboxyl  group  in  its  main  chain.          The composition can be developed with an aqueous alkali developer  to provide a  lithographic  printing  plate having a long press life.
Patent CA-1293341-C (CA)
Title: Flame retardant polyethylene terephthalate compositions
Inventor: KRIEK GEORGE R
IPC: C08L67/02
Filed: 1987-04-13
Granted: 1991-12-17
Abstract: FLAME RETARDANT POLYETHYLENE TEREPHTHALATE COMPOSITIONS         ABSTRACT OF THE DISCLOSURE           Flame resistant, reinforced thermoplastic molding compositions based on polyethylene terephthalate resins were found to have a lowered tendency to drip during burning upon the addition thereto of a sufficient amount of a particular ionic elastomer.  The addition of the drip suppressant in accordance with the invention does not compromise the physical and mechanical proper-ties of the composition.
Patent CA-1327906-C (CA)
Title: Food preservation process utilizing blend of acidulants
Inventor: MALYNIAK NANCY R
IPC: A23B7/10
Filed: 1987-04-21
Granted: 1994-03-22
Abstract: FOOD PRESERVATION PROCESS UTILIZING A BLEND OF ACIDULANTS   ABSTRACT    This invention relates to a method for sterilization and preservation of food utilizing a blend of food acidulants.  Adding blends of glucono-delta-lactone and adipic acid, with or without malic acid and/or citric acid will lower the pH of the food without the expected consequence of proportionately increasing the acidic flavour of the food product.  This permits processing the food under milder conditions (heating or otherwise) resulting in a better quality food product more acceptable to consumers.  The acidulant blends of the present invention also have application in the preparation of non-food consumer products.
Patent CA-1275413-C (CA)
Title: Spiro(bicyclo(3.2.0.)heptane-6,2'-oxipane) derivatives
Inventor: BURNISON CHANTAL
IPC: C07D303/16
Filed: 1987-04-23
Granted: 1990-10-23
Abstract: ABSTRACT OF THE DISCLOSURE     Spiro[bicyclo(3.2.0)Heptane-6,2'-oxirane] derivatives of the structural formula:       wherein X is a hydrocarbon group which is optionally substituted by a C1-4-alkoxy group, a protected hydroxy, protected oxo or protected carboxy group. The hydrocarbon radical serving as the 4-substituent preferably contains 2 to 11 carbon atoms.  Especially preferred are straight-chain or branched alkyl groups.  The hydrocarbon radical may also be an arylalkyl group such a phenethyl, tolyethyl, phenyl-propyl, phenylbutyl or phenylpentyl.  The hydrocarbon radical may also contain a C3-6-cycloalkyl group.  The alkoxy group substituted on the X radical can be methoxy, ethoxy, straight-chain or branched propyl or butyl.          Conventional substituent groups can be used to protect a hydroxy, oxo, formyl or carboxyl group which may be attached to the X radical against reaction with a methylide reagent such as dimethylsulfonium methylide or dimethyloxosulfonium methylide.  The hydroxy group can be protected as C1-4-alkoxy, C6-9-aryloxy, C1-5-alkanoyloxy, C1-16-alkylsulfonyl-oxy, C6-9-arylsulfonyloxy or as a silyl ether derivative, e.g. a tri(C1-5-alkyl)silyloxy or a corresponding phenyl alkyl silyloxy derivative.  The carboxyl group can be protected conveniently as a C1-9-alkyl ester, C6-9-aryl-alkyl ester and the like.  Aldehydic or oxo groups can be protected as conventional acetals or ketals.  The aryl moiety in the protecting group can be phenyl, tolyl, xylyl, cumyl and the like.  Such compounds are particularly useful in the preparation of substituted bicyclo(3.2.0)octan-7-ones.
Patent CA-1285059-C (CA)
Title: Thermally controllable optical devices and system
Inventor: MCMAHON DONALD H
IPC: G02F1/225
Filed: 1987-05-04
Granted: 1991-06-18
Abstract: THERMALLY CONTROLLABLE OPTICAL DEVICES             AND SYSTEM                 ABSTRACT OF THE DISCLOSURE           A system for the thermal control of optical devices includes an optical device having at least one coating of an electrically conductive material formed on a surface in a heat conducting relationship with the material and connected to a controllable current source which passes varying amounts of electrical current through the layer to vary the amount of thermal energy introduced into the device to control its optical response characteristics.  The electrically conductive layer or layer  can be optically active, that is, function to affect the light energy transmitted into or through the device as well as acting as an electrically conductive thermal element.  The use of an electrically conductive coating or coatings allows the rapid and precise control of thermal energy introduced into the device and, accordingly, the rapid and precise control of the optical characteristics of the device as well as providing a thermal interface between the optical device and the ambient environment that is effective to minimize the adverse effects of transient temperature changes occurring in the environment.
Patent CA-1278017-C (CA)
Title: X-ray source
Inventor: BIRNBACH CURTIS
IPC: G21K1/02
Filed: 1987-05-06
Granted: 1990-12-18
Abstract: ABSTRACT OF THE DISCLOSURE           An X-ray source with a cathode formed as a cylindrical electrode having a hollow central anode tube on its axis, with a grid surrounding the anode and interposed between the anode and cathode.  The central anode tube is hollow and filled with a working medium.    A high negative voltage is applied to the cathode, but the flow of electrons to the anode is blocked by the grid which is held near cathode potential.  After a space charge is created at the grid by electrons from the cathode, a very short pulse to ground is applied to one end of the grid, yielding a relativistic wave of potential which propagates along the axial length of the grid.  This wave of potential releases the elec-trons from the cathode, which flow directly to the an-ode.  The impingement of the electrons on the tubular anode produces X-rays from the interior surface of the anode tube.  These X-rays, together with the impinging electrons, pump the working medium along the length of the anode, causing a population inversion leading to the release of coherent X-rays in a wave synchronized with the propagating grid potential which exits the structure at the far end of the anode.  The X-ray source may consist of identical units coupled together in series to provide a high power X-ray beam, and may be configured in other than cylindrical shapes depend-ing on the output desired.
Patent CA-1305695-C (CA)
Title: Catalyst compositions and process for olefin/co copolymerization
Inventor: DRENT EIT
IPC: B01J31/00
Filed: 1987-07-29
Granted: 1992-07-28
Abstract: A B S T R A C T             NOVEL CATALYST COMPOSITIONS AND PROCESS     FOR OLEFIN/CO-COPOLYMERIZATION      Novel catalyst compositions, characterized in that they are based upon a)   a palladium compound, b)   an anion of an acid with a pKa of less than 2, with the proviso that the acid is not a hydrohalogenic acid, and c)   a compound in which there occur one phosphorus atom and one or more nitrogen atoms which atoms bear no hydrogen, and in which compound each one of the nitrogen atoms is connected to the phosphorus atom by an organic bridging group which contains at least one carbon atom in the bridge.
Patent CA-1290112-C (CA)
Inventor: BENETEAU CHRISTIAN
IPC: B60S1/38
Filed: 1987-08-18
Granted: 1991-10-08
Abstract: ABSTRACT         A device is provided for securing a wiping element to the superstructure of a wiper blade.  Each of two backing strips of the wiping element is provided, at its exterior longitudinal edge, with a flattened area which laterally projects from said exterior longitudinal edge.  One of the claws of the superstructure of the wiper blade surrounds the flattened areas and thus prevents any longitudinal displacement of the backing strips with respect to said claw.  The longitudinal displacement of the wiping element with respect to the backing strips is prevented by similar flattened areas which compress the wiping element in the zone of the claw.
Patent CA-1339673-C (CA)
Inventor: ROWE EDWARD A JR
IPC: H01B3/20
Filed: 1987-09-10
Granted: 1998-02-17
Abstract: Dielectric fluid is prepared by combining perchloroethylene with an aliphatic hydrocarbon having 7-9 carbon atoms in the aliphatic chain.  The resulting dielectric has improved freezing point and non-flammability characteristics.
Patent CA-1335401-C (CA)
Title: Sag resistant, two component urethane adhesives
Inventor: GOEL ANIL B
IPC: C08G18/10
Filed: 1987-11-04
Granted: 1995-04-25
Abstract: A   sag   resistant,   two  component  polyurethane adhesive  is  described  which  comprises  a polyisocyanate prepolymer and  a second  component comprising  a polyol, a poly(alkylene oxide) polyamine which  contains two  or more primary  amine  groups  and  has a molecular weight of from about 400 to about 10,000 and a polyurethane catalyst.
Patent CA-1302433-C (CA)
Title: Hydrocarbon oxidations catalyzed by nitride-activated metal coordination complexes
Inventor: ELLIS PAUL E JR
IPC: B01J31/18
Filed: 1987-12-03
Granted: 1992-06-02
Abstract: ABSTRACT     Hydrocarbons, and particularly lower molecular weight alkanes and cycloalkanes, may readily be oxidized with air or O2 to form such products as alcohols, ketones, and the like in high yields when there is employed as the catalyst a highly active nitride-activated metal coordination complex having the structure   where M is a transition metal; " " is a ligand; and X is a nitride. Certain dimeric forms of the above catalyst are also employed herein.  It has also been discovered that Group IV through VIII transition metal nitrides are also highly effective oxidation catalysts for lower molecular weight hydrocarbons such as alkanes.
Patent CA-1314371-C (CA)
Title: Method and apparatus for producing fiber-reinforced rubber hose
Inventor: OGATA KAZUHIRO
IPC: B29C48/09
Filed: 1988-01-22
Granted: 1993-03-16
Abstract: ABSTRACT OF THE DISCLOSURE Method and apparatus for producing a fiber-reinforced rubber hose having an inner rubber tube, a tubular reinforcing fiber layer, an outer rubber tube, and a resin cover tube, which are formed in this order on a core mandrel. After the formed cover tube is cooled to a temperature sufficiently low to harden the resin to an extent that substantially inhbits expansion of the outer rubber tube in the hardened cover tube, the unvulcanized inner and outer rubber tubes are microwave-heated to soften the rubber tubes, and to cause a thermal shrinkage of the tubular reinforcing fiber layer, for thereby causing a portion of the inner rubber tube to be forced through a network of an interlaced structure of the reinforcing fiber layer into the outer rubber tube. After the unvulcanized inner and outer rubber tubes are vulcanized, the resin cover tube is removed, and the fiber-reinforced rubber hose is prepared.
Patent CA-1291174-C (CA)
Title: Vehicle height adjusting device
Inventor: KAJIWARA HAJIME
IPC: B60G17/027
Filed: 1988-03-11
Granted: 1991-10-22
Abstract: ABSTRACT OF THE DISCLOSURE A vehicle height adjusting device includes a resilient member having an outer end coupled to a wheel support member and an inner end supported on a vehicle body, the resilient member having a vertical resilient force and serving as a suspension component, and a load unit disposed between the resilient member and the vehicle body for applying a vertical bending stress to the resilient member to displace the resilient member for thereby varying the height of the vehicle body.  Another vehicle height adjusting device includes an elongate resilient member extending transversely of a vehicle body and having opposite ends coupled respectively to two laterally spaced wheel support members, the resilient member having a vertical resilient force and serving as a suspension component, retaining members supporting an intermediate portion of the elongate resilient member slidably and swingably on the vehicle body at at least two spaced points on the intermediate portion, and a load unit for applying a vertical sensing stress to the resilient member to displace the resilient member for thereby varying the height of the vehicle body.
Patent CA-1277142-C (CA)
Title: Rail grinding machine
Inventor: THEURER JOSEF
IPC: E01B31/17
Filed: 1988-03-16
Granted: 1990-12-04
Abstract: RAIL GRINDING MACHINE          ABSTRACT OF THE DISCLOSURE       A rail grinding unit comprises a support frame having opposite ends, an undercarriage having flanged wheels supporting each support frame end on the rails for mobility along a railroad track, a vertically adjustable carrier frame mounted on the support frame, an endless grinding band mounted on the carrier frame and trained about guide rollers under tension for rotation thereabout, a lower one of the guide rollers constituting a pressure roll for pressing the endless grinding band into grinding contact with the surface, and a vertical adjustment device connected to at least one of the frames for adjusting the depth of the grinding contact of the endless grinding band with the pressure roll in relation to the surface, the vertical adjustment device including a remote-controlled drive for operating the vertical adjustment device.
Patent CA-1307650-C (CA)
Title: Treating fluid matter
Inventor: DODSON CHRISTOPHER E
IPC: F28D19/02
Filed: 1988-03-21
Granted: 1992-09-22
Abstract: ABSTRACT     TREATING FLUID MATTER                                     (Figure 2) A  bed  26  of  particulate  material  is  moved in  a  band  continuously  along  an  annular  path  by passing  fluid  media  having  both  circumferential and vertical components  through  the  bed  along that path.    The  fluid  media  comprises  combustion  gases which  are  passed  through  the  bed  along  a  portion of  the  path  for  heating  the  particulate  material as  it  passes  therethrough  and  fluid  matter  to  be heated  which  passes  through  the  bed  along another portion  of  its  path  such  that  the  fluid  matter is  heated  as  it  passes  through  the  particulate material  which has  been  heated  by  the  combustion gases.
Patent CA-1305398-C (CA)
Title: Method for producing high yield electrical contacts to n _amorphous silicon
Inventor: POSSIN GEORGE E
IPC: H01L29/786
Filed: 1988-03-24
Granted: 1992-07-21
Abstract: RD-16,737 METHOD FOR PRODUCING HIGH YIELD ELECTRICAL      CONTACTS TO N+ AMORPHOUS SILICON                Abstract of the Invention Electrical contact to doped amorphous silicon material is enhanced by depositing a thin layer of molyb-denum on the amorphous silicon surface and subsequently removing it.  This treatment is found to permanently alter the silicon surface so as to facilitate and improve elec-trical contact to the silicon material by subsequently deposited metallization layers for source and drain elec-trode attachment.  The layer of molybdenum which is deposi-ted and removed need only be approximately 50 nanometers in thickness to produce desirable results.  The method is particularly useful in the fabrication of thin film, inver-ted, amorphous silicon field effect transistors.  Further-more, such devices are particularly useful in the fabrica-tion of liquid crystal display systems employing such field effect transistors in matrix addressed arrays used for switching individually selected pixel elements.
Patent CA-1309661-C (CA)
Title: Transdermal delivery system
Inventor: PATEL NIRANJAN M
IPC: A61L15/58
Filed: 1988-04-26
Granted: 1992-11-03
Abstract: ABSTRACT OF THE DISCLOSURE      The administration of a bronchodilator to a subject can be carried out using a new transdermal delivery system, a multilayer laminate where the drug is mixed in a gel which must pass through a barrier membrane prior to administration on the skin.
Patent CA-1308597-C (CA)
Title: Ventilation means
Inventor: HARDY ALEXANDER C
IPC: F24F7/00
Filed: 1988-05-16
Granted: 1992-10-13
Abstract: ABSTRACT                      VENTILATION MEANS          The ventilation means is applicable to dwellings or other buildings and comprises a rectangular-section duct of inner and outer telescopic parts 10, 12 made of rigid PVC.  The inner part 10 has two internal inclined flanges 18 at opposite sides on which is supported a rigid rectangular, parallelepiped porous body 20 of mineral wool.  The body 20 is clamped at its upper end between the top wall of the duct and the flanges 18.  The body 20 allows water vapour to diffuse outwardly from the interior of the building;  it also resists air flow through the duct reducing the speed of through air-flow to 20% to 50% of external air speed, depending on the speed.  The ducts are fitted in openings through opposite external walls near the ceiling in ground floor rooms e.g. kitchen.          Condensation is prevented without an excessive increase in air flow through the building.  The telescopic duct can be fitted to walls of different thicknesses.
Patent CA-1315797-C (CA)
Title: N-silylalkylamides and their use as adhesion promoters in room temperature vulcanizable polydiorganosiloxane compositions
Inventor: STEIN JUDITH
IPC: C07F7/18
Filed: 1988-06-16
Granted: 1993-04-06
Abstract: N-SILYLALKYLAMIDES AND THEIR USE AS ADHESION  PROMOTERS IN ROOM TEMPERATURE VULCANIZABLE     POLYDIORGANOSILOXANE COMPOSITIONS                    Abstract N-Silylalkylamides are useful as adhesion promoters in room temperature vulcanizable compositions comprising polyalkoxysilyl-terminated polydiorganosiloxanes.  The formamides, which are preferred, are novel compounds.
Patent CA-1303004-C (CA)
Title: Holder for beverage boxes
Inventor: CONTANT BERNARD
IPC: B65D25/22
Filed: 1988-07-18
Granted: 1992-06-09
Abstract: HOLDER FOR BEVERAGE BOXES                          ABSTRACT            Holder for wine or other beverage boxes or the like which may be secured to a plane surface such as underneath a counter or directly to a wall by means of a support such as a L-shaped support.    Said holder comprises a parallelepiped structure having an elongated element secured to same.   In use,  said elongated element is inserted into openings which are normally used as handles located on top of said boxes for engagement therein.
Patent CA-1290221-C (CA)
Inventor: PEDERSEN HANS M
IPC: F03B13/26
Filed: 1988-07-25
Granted: 1991-10-08
Abstract: A B S T R A C T            Floating water  current power station  comprising a ring-shaped pontoon (3) which by means of a mooring bitt (5) is anchored to anchors (1) All turbines (21) are detachably arranged on a common beam  (11)  and  can as a unit be swung  up to the surface within the area limited by the ring pontoon (3).     The power station may swing around the bitt (5) the upper end of which is connected to a front pontoon (9) and the lower end (6) of which is secured to the anchors and which is moreover provided with tension distributing warps (16) to the turbine beam (11) and warps  (7) to the same pontoon side as the one to which the bitt is secured.            (Fig. 1)
Patent CA-1327555-C (CA)
Inventor: TIE THOMAS K
IPC: A61M1/36
Filed: 1988-08-18
Granted: 1994-03-08
Abstract: Abstract of the Disclosure Returning red blood cells to a patient after a centrifuge separation procedure by connecting an inflow line of a separation channel to an outflow line to provide a closed loop and recirculating liquid through it to remove blood cells.  Also disclosed is pulling more liquid out of a flexible separation channel than permitted into it in order to reduce the volume of liquid to be used in returning cells to the patient.
Patent CA-1319725-C (CA)
Title: Vehicle collision safety system
Inventor: FARRIS EDWARD T
IPC: B62D39/00
Filed: 1988-09-21
Granted: 1993-06-29
Abstract: VEHICLE COLLISION SAFETY SYSTEM          ABSTRACT OF THE DISCLOSURE     A safety vehicle (10) for passengers includes a horizontally disposed chassis (16) having a front (16a) and rear (16b) portion.  The vehicle body (14) is disposed on the chassis (16) and includes a passenger section (20) disposed intermediate the front and rear portions of the chassis (16).  The chassis (16) includes three lever arms (44, 46, 48) pivotally interconnected.  The first lever arm (44) is disposed adjacent the front portion of the chassis (16). A second lever arm (48) is disposed adjacent the passenger section (20).  The third lever arm (46) is pivotally interconnected to the first and second lever arms, such that the first end of the third lever arm is pivotally connected adjacent to the second end of the first lever arm (44) at a first pivot point (60).  The second end of the third lever arm (46) is pivotally connected adjacent to the first end of the second lever arm (48) at a second pivot point (62).  Upon impact, the chassis (16) front portion (16a) rotates about the first pivot point (60) in a first direction of rotation (68) and the chassis rear portion (16b) rotates about the second pivot point (62) in a second direction of rotation (70) opposite to the first direction of rotation (68) of the chassis front portion (16a) thereby removing the passenger section (20) from the linear impact forces created by the collision and translating a portion of the linear deceleration motion of the vehicle (10) into rotational motion of the passenger section (20).
Patent CA-1325348-C (CA)
Inventor: LIEBERMANN HOWARD H
IPC: H01F1/153
Filed: 1988-10-04
Granted: 1993-12-21
Abstract: IMPROVED IRON-BASED AMORPHOUS    ALLOYS CONTAINING COBALT                        ABSTRACT      Metallic alloys are disclosed which are at least about 90% amorphous, having enhanced magnetic properties and consist essentially of a composition represented by the formula Fea-bCobBcSidCe, wherein "a", "b", "c", "d" and "e" are atomic percentages ranging from about 75 to about 85, about .1 to about .8, about 12 to about 15, about 2 to about 5 and about 1 to about 3, respectively.  Magnetic cores comprising such alloys, including cores having been subjected to a field anneal, are also disclosed.
Patent CA-1333313-C (CA)
Title: Sterically stabilized non-aqueous dispersion of a polyepoxide
Inventor: METCALFE RONALD
IPC: C08G59/20
Filed: 1988-12-05
Granted: 1994-11-29
Abstract: A process for preparing a sterically stabilised non aqueous  dispersion  of  a  polyepoxide  of  epoxy equivalent weight in the range 350 to infinity, which comprises reacting a sterically stabilised non-aqueous dispersion of a  compound  with at  least  two  epoxy groups with a diol of formula (1) H O B O H       (1) in which B is a group of formula (2)   (2) where D is a methylene group or propane -2, 2-diyl.