baber/WOPTO huggingface dataset:
Patent CA-2015228-A1 (CA)
Inventor: RATHBONE RICHARD R
IPC: G02B21/16
Filed: 1990-04-24
Abstract: The present invention concerns an adapter to be coupled to an objective lens of a microscope comprising a body member having a first coupling means at one end thereof to receive an objective lens of a microscope and having a second coupling means at the other end thereof to receive a microscope component. The body member has an axial light path running longitudinally therethrough and has a radial light path which intersects the axial light path. A source of light is disposed in the radial light path. A first filter is disposed in the radial light path downstream of the source of light for passing light at wavelengths which excite fluorescence in a specimen to be examined in a microscope and to remove light at wavelengths where visible fluorescence emission occurs in the specimen. A mirror is disposed in the intersection of the axial light path and radial light path. The mirror passes light through the axial light path and reflects light at excitation wavelengths, but does not reflect light at emission wavelengths. A second filter is disposed in the axial light path and is disposed above the mirror and adjacent the second coupling means. The second filter blocks excitation wavelengths which pass through the mirror. The adapter can easily be attached and detached to a conventional microscope. The adapter can provide fluorescence microscopy capability to a conventional microscope which was not designed for fluorescence microscopy.
Patent CA-2015633-A1 (CA)
Title: Process for preparing perfluoroalkenyl-sulfonyl fluorides
Inventor: NAVARRINI WALTER
IPC: C07C309/81
Filed: 1990-04-27
Abstract: ABSTRACT OF THE DISCLOSURE      A  continuous  process for preparing   perfluoroalkenyl sulfonyl fluorides (I) Rf-CF=CF-S02F                     (I) wherein:          Rf  is  selected  from  the  group  consisting  of  F  and  a perfluoroalkyl radical of from 1 to 9 carbon atoms is  disclosed,  in which as the starting compound a  sultone (II) (II)   is used.    The  starting  compound is placed into contact  with  a reactant  selected  from the group consisting of oxides  and carbonates of an element of the groups IA,  IIA and IIB, and of  the oxides of an element of the Groups IIIA and  IVA  of the Periodic Table of the Elements, and their mixtures, at a temperature comprised within the range of from 150 to 450°C, and   the  compound  (I)  is  recovered from  the  reaction effluent.
Patent CA-2018169-A1 (CA)
Title: Disk cartridge
Inventor: TAKAHASHI KENJI
IPC: G11B23/03
Filed: 1990-06-04
Abstract: ABSTRACT    A disk cartridge includes a cartridge main body in which an optical disk such as a magneto-optical disk is rotatably mounted and in which an opening for exposing the signal record area and a chucking area of the optical disk to outside is formed.   The disk cartridge also includes a shutter movably mounted on the cartridge  main body for opening or closing the opening, and a torsion spring mounted at a corner in the cartridge main body towards a position in which the shutter opens the opening.  The torsion coil spring biasing the shutter in the opening closing direction has the end of its one arm section retained at a retaining portion formed in the cartridge main body and the end of its other section retained by the shutter.  An insertion opening for the torsion spring is provided on the front side of the cartridge main body mounting the shutter.  A movement control portion is also provided on the front side of the cartridge main body which controls the movement direction of the other section when a coil section of the torsion coil spring is inserted via the insertion opening with the end of the one arm section of the torsion coil spring being retained by the cartridge main body and with the arm sections being closed on each other, and the other arm section is then moved in the opening direction with respect to the other arm section and into engagement will the shutter.
Patent CA-2019701-A1 (CA)
Title: Process for the preparation of polysaccharide derivatives
Inventor: VIANEN GERARDUS M
IPC: A23L33/20
Filed: 1990-06-22
Abstract: A B S T R A C T            The invention relates to a process for the preparation of low-calorie polysaccharide derivatives, obtained by feeding a worm shaft reactor, operating at elevated temperature and under elevated pressure, with a mixture  of  at  least  a  saccharide,  a  polyol and  a  food-grade polycarboxylic acid. The products obtained may be added as low-calorie bulking agent to (diet) foodstuffs like puddings, cake etc..
Patent CA-2020322-A1 (CA)
Title: Electromagnetic identification system for identifying a plurality of coded responders simultaneously present in an interrogation field
Inventor: STEKELENBURG JAN C
IPC: G06K17/00
Filed: 1990-07-03
Abstract: Title:  An electromagnetic identification system for identifying a plurality of coded responders simultaneously present in an interrogation field.                             ABSTRACT         An electromagnetic detection and identification system for detecting and identifying a plurality of responders, each containing a unique code, and simultaneously present in one and the same interrogation field generated by a transmitter/receiver. According to the invention the transmitter/receiver is arranged to adjust the frequency of the interrogation field periodically to one of a pre-determined number of pre-determined values, and each responder is arranged to detect the instantaneous frequency of the interrogation field, the arrangement being such that, in a number of selection cycles, each time a number of responders temporarily deactivate themselves in dependence upon the instantaneous frequency until one single responder remains which can generate the appurtenant code without becoming deactivated until the responder has been identified by the transmitter/receiver, whereafter the responder concerned is blocked by a change in field frequency, and the temporarily deactivated responders are reactivated, and the selection procedure is repeated until all responders in the interrogation field have been identified and blocked.
Patent CA-2023147-A1 (CA)
Inventor: HAHN KLAUS
IPC: C09K21/14
Filed: 1990-08-13
Abstract: - 12 -          O.Z. 0050/41060 Abstract of the Disclosure: Flame-resistant, expandable styrene polymers containing a styrene (co)polymer, from 0.4 to 6 % by weight of hexabromocyclododecane having a mean particle size of from 1 to 50 µm, the particles being provided with a firm coating which has a thickness of from 1/100 to 1/10 of the particle diameter and is insoluble in water and styrene, from 1 to 10 % by weight of a C3- to C6-hydrocarbon as blowing agent, and,  if desired,  customary additives,  are distinguished by a reduced internal water content and can be processed to form foams which have an improved foam structure and high UV stability.
Patent CA-2026610-A1 (CA)
Inventor: FALAGIANI PAOLO
IPC: A61K39/36
Filed: 1990-10-01
Abstract: Chemically modified allergens, whose allergenic activity is reduced with respect to that of the corresponding native allergenic material, which are capable of inducing specific antibodies addressed towards said native allergenic material, wherein a portion of the primary amino groups of the protein molecule of the native allergen are chemically modified so as to give simple or substituted carbamylic amino groups, or substituted thiocarbamylic amino groups, or possibly substituted guanidino groups, and process for the production thereof. The allergens so modified are not polymerized with each other, they are soluble in water media, they are resistent to tryptic hydrolysis and they show particularly suitable for being administered in hyposensitizing therapeutic treatments.
Patent CA-2027953-A1 (CA)
Title: Water filter unit
Inventor: KURTH MARK
IPC: B01D27/14
Filed: 1990-10-18
Abstract: ABSTRACT    An improved water filter unit including a casing having a removable snap-type cover with the casing mountable to a surface or free standing.  The casing including a pair of removable different type water filter cartridges, one or both including a pair of different water  filters,  connected  to  a  manifold formed in the casing.  The casing including a pair of change water filter indicators.
Patent CA-2029229-A1 (CA)
Title: Method and apparatus for mixing liquid contents of a vessel
Inventor: WICKOREN DEAN R
IPC: B01F5/00
Filed: 1990-11-02
Abstract: Abstract Apparatus for the mixing of liquids within a vessel which utilizes at least one pump in fluidic communication  with  the  liquid  in  the  vessel  to create a streamflow of the liquid into a draft tube disposed within the vessel.   Pumps are positioned with respect to the draft tube to direct primary streamflows of liquid through the wall of the draft tube to thereby induce an additional flow of liquid through the inlet of the draft tube.  The primary streamflows intersect within the draft tube inter-mediate the ends thereof and both the primary and induced streamflows pass to an outlet end of the draft tube whereby to create continuous circulation of the liquid within the vessel when the pumps are actuated.  In alternative embodiments, the pumps may be offset to produce a helical streamflow within the draft tube.  The draft tube also may be divided into two or more sections whereby additional inlets or outlets may be provided intermediate the ends of the tube.   A method  of mixing  the  fluid within  the vessel  is  provided wherein  the  mixing apparatus, including  an  upright  draft  tube,  may  be  placed within the vessel and the pumps actuated to generate both the primary and induced flow of liquid into and through the  draft  tube  to  circulate  and mix  the liquid contents of the vessel.     (Docket No. 20283)
Patent CA-2029618-A1 (CA)
Title: Low stress relaxation composite elastic material
Inventor: COLLIER L WARREN IV
IPC: A61F13/15
Filed: 1990-11-08
Abstract: A composite elastic material having a stress relaxation of less than about 30 percent is composed of at least one elastic sheet formed from a blend of (1) a styrene-poly(ethylene-propylene)-styrene thermoplastic elastomeric block copolymer or a mixture of styrene-poly(ethylene-propylene)-styrene and styrene-polyethylene-butylene)-styrene elastomeric block copolymers, and (2) a tackifying resin. The blend may also include a polyolefin and/or an extending oil. The elastic sheet is joined to at least one gatherable layer at spaced-apart locations in which the gatherable layer is gathered between the spaced-apart locations so that the composite material is elastic.
Patent CA-2031200-A1 (CA)
Title: Oil arrester
Inventor: DA CRUZ GROSSI ANIVALDO
IPC: E02B15/10
Filed: 1990-04-16
Abstract: An oil arrester is constructed from specially treated fowl feathers (2), package together into a slab-like package (1), a plurality of oil arrester units being interconnected by means of a nylon string (6, 10) which is secured to a plastic anchoring support (7, 9) in said package (1), said oil arrester providing the absorption of oily and greasy substances floating over a liquid surface, further providing the expansion of the captured substance.
Patent CA-2032641-A1 (CA)
Inventor: OOTSUKA JUNJI
IPC: F04D7/04
Filed: 1990-12-19
Abstract: A shaft seal for slurry pumps is provided, wherein a dust lip is attached to the outer periphery of a rotary seal ring such that it extends from its one end positioned in a confining  space  over  a  packing  for  the  rotary  seal  and terminates at its other end in front of a seal cover for the packing with a slight  gap between them,  thereby avoiding erosion of the packing by slurry and instabilization of the loads applied to the sliding surfaces of the seal rings by erosion of the dust lip.
Patent CA-2033409-A1 (CA)
Title: Rotary brake rotor resurfacer
Inventor: NORRIS BOBBY D
IPC: B24B7/17
Filed: 1990-12-28
Abstract: Abstract of the Disclosure A rotary brake resurfacer includes a first electric motor, a geared motor speed reducer operatively associated with the first motor for outputting a reduced rotational speed and a driven shaft mounted for rotation at the reduced output speed of the speed reducer.   A brake rotor to be resurfaced is mounted on the driven shaft.  A second electric motor is provided and a grinder shaft is mounted for being rotated by the second electric motor. First and second  grinding stones  axe rotatably mounted  in  spaced-apart relation on the grinder shaft and the grinding stones are moved into contact with the braking surface of the rotating brake rotor for resurfacing the braking surface of the brake rotor.  The method according to the invention includes the steps of rotating a brake rotor,  rotating at least one grinding stone and engaging the rotating grinding stone with the braking surface of the rotating brake rotor for resurfacing the braking surface of the brake rotor.     c:\1028&1.apl
Patent CA-2034811-A1 (CA)
Title: Selective processes for fosinopril polymorphs
Inventor: GROSSO JOHN A
IPC: A61K31/66
Filed: 1991-01-23
Abstract: Described herein is a process for selectively preparing and interconverting polymorph salts of fosinopril, an antihypertensive agent that inhibits angiotensin converting enzyme. Each polymorph is prepared by mixing an alkali metal carrier, fosinopril, water and a keto and/or hydroxylic solvent and isolating the polymorph formed from the reaction mixture. The less exothermic polymorph A is formed when the water makes up more than about 0.2% of the water and solvents; at about 0.2% or less, the more exothermic polymorph B is formed.
Patent CA-2035297-A1 (CA)
Title: Clipping structure for an earring
Inventor: LIN IDEA
IPC: A44C7/00
Filed: 1991-01-30
Abstract: ABSTRACT     This invention relates to a clipping structure for an earring and in particular to one including a first spring leave formed with a hole, a ball eccentrically and transversely fitted into the hole of the first spring leave, and a second spring leave connected with the first spring leave at the lower end, whereby the earring may be easily worn on an ear without causing pain.
Patent CA-2037581-A1 (CA)
Title: Aqueous dispersions of hybrid polymers and coating compositions containing same
Inventor: BUTER ROELOF
IPC: C09D151/00
Filed: 1991-03-05
Abstract: ABSTRACT OF THE DISCLOSURE      A water-dispersible hybrid polymer of a core/shell struc-ture is provided which is based upon (A) a polymer (core) of a mercapto-functionalized poly(epoxyester) onto which (B) at least one addition polymer-based chain (shell) has been grafted via the addition polymerization of free-radically polymerizable monomers in the presence of the mercapto-func-tionalized poly(epoxyester). Also provided are aqueous dis-persions of these hybrid polymers and coating compostions therefrom, which coating compositions are especially suited for use as clearcoats and surfacers.
Patent CA-2037760-A1 (CA)
Inventor: ADACHI RYOHEI
IPC: F01N1/24
Filed: 1991-03-07
Abstract: A glass fiber for use in severe environments that included nitrogen acids, sulfuric acids, alkalis, and ammonia, wherein said glass fiber contains about 5% to 40% by weight of ZrO2.   The glass fiber can be used to make a reinforced synthetic resin product that is excellent in resistances to acids and alkalis, such as a silencer for the exhaust system of an internal combustion engine.
Patent CA-2037823-A1 (CA)
Title: Inspection probe having thin metal wires with self resiliency
Inventor: YUTORI TOSHIAKI
IPC: G01R1/067
Filed: 1991-03-08
Abstract: An inspection probe which allows a plurality of such inspection probes to be arranged at a remarkably reduced pitch.  The inspection probe comprises a very thin metal wire having a diameter of 120 µm or less and so shaped as to have self resiliency, and a plated noble metal layer formed on a surface of the very thin wire.          A probe pin head for the inspection of an electronic circuit board is constructed employing a plurality of such inspection probes.  The inspection probes are secured to or embedded in a base made of a resin material.  A process of producing the probe pin head is also disclosed.
Patent CA-2039270-A1 (CA)
Title: Method and a device for the mechanical separation of natural manure masses
Inventor: OBRESTAD HARALD
IPC: B30B9/14
Filed: 1991-03-27
Abstract: A b s t r a c t In a method and a device for the mechanical separation of natural manure into a wet phase and a dry phase for individual applications, the manure separator comprises a strainer pipe (5) wherein the screw conveyor (9) rotates. In order to obtain an especially efficient separation, there is, at a certain location of the movement path of the manure mass within the separator, established a manure plug forming zone (10), e.g. through the removal of the screw conveyor thread (9') over a certain longitudinal section, wherein the manure mass is subjected to minimum external influence and, thus, is given the opportunity of building itself up into a relatively dry plug. The plug from which dewatered mass is removed continuously from the downstream end thereof, is continuously added new manure mass from the opposite side, and will constitute a barrier performing a sufficient counter pressure for forced dewatering of the moving manure mass at the upstream side of the plug.
Patent CA-2039958-A1 (CA)
Title: Binding of allergens to a solid phase
Inventor: ANAWIS MARK A
IPC: G01N33/68
Filed: 1991-04-08
Abstract: ABSTRACT OF THE DISCLOSURE A method for producing a binding assay device composed of antigens on a cellulose nitrate, cellulose nitrate/acetate of similar solid phase is described. The method involves applying to a solid phase a small amount of an allergen composition, or a pretreated allergen composition, containing a certain concentration of allergen and drying the solution. The device is used by contacting a patient test sample to the immobilized allergen and determining whether or not the test sample contains IgE antibodies for the allergen.
Patent CA-2044900-A1 (CA)
Title: Carbon contact strip comprising fault detection device
IPC: B60L5/20
Filed: 1991-06-18
Abstract: Friction strip serving for the transfer of electrical energy to rolling stock and comprising a damage detector device. 
<??>The strip consists of a pantograph wearing strip (2) made of a carbon-containing material comprising a groove (3) on its face in contact with the stirrup (5), in which groove there is placed a leaktight tube (4) connected to the detection device. 
<??>According to the invention, the material of which the tube is made and that of which the pantograph wearing strip is made are similar as regards mechanical and thermo-mechanical characteristics. This is achieved in particular with a tube made of a leaktight carbon-containing material. Method for the manufacture of the friction strip. 
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Patent CA-2045392-A1 (CA)
Title: Top tenter
Inventor: MCOUAT ALAN F
IPC: B60P3/32
Filed: 1991-06-25
Abstract: Form 24 (ss.21,31,34 and 142) Abstract:       When camping with a vehicle and tent the degree of convenience depends on the ease of storage, set up, dismantling and packing away of camping gear. This invention is a vehicle roof mounted pop-up tent and storage compartment for mattresses and sleeping bags. This unit is mounted via means of a root rack modified with extendable horizontial supports. The units lid hinges up from one side erecting an enclosed tent that already has mattresses and sleeping bags stored inside. The tent is secured to the units platform by hooks. The lid is supported with vertical members. A ladder is attached from the tent carrier platform to the ground.
Patent CA-2045586-A1 (CA)
Title: Rail pads
Inventor: LEEVES GEOFFREY G
IPC: F16F1/376
Filed: 1990-01-18
Abstract: ABSTRACT RAIL PADS A rail pad comprises a membrane 3 from opposite faces of which there project protrusions 4, which may be ribs, possibly extending along the pad, perhaps over its whole length, or studs.  The protrusions are such that no line perpendicular to the membrane passes through more than one of the protrusions.  The pad is preferably made of a thermoplastic copolyester elastomer.
Patent CA-2052051-A1 (CA)
Title: Convertible floor and window fan
Inventor: CHIU BERNARD
IPC: F16M11/00
Filed: 1991-09-23
Abstract: ABSTRACT        A portable electric fan including a housing having a front wall defining a front opening for transmitting air, a rear wall defining a rear opening for transmitting air, a top surface, and a bottom surface; a fan blade rotatably mounted in the housing and adapted to move air in a given direction through the front and rear openings; and retainer means projecting upwardly from the top surface and adapted to engage one side of the sash of a vertically movable window.  Also included are first and second elongated legs movably mounted in spaced apart positions on the bottom surface and adapted for movement between floor and window positions, each of the legs projecting in the given direction beyond the front and rear walls when in its floor position and extending in longitudinally aligned directions substantially perpendicular to the direction when in its window position.  The retainer means and elongated legs facilitate alternative use of the fan for either internal or window applications.
Patent CA-2052527-A1 (CA)
Inventor: ISHIKAWA YOUHEI
IPC: G01R27/06
Filed: 1991-09-30
Abstract: In an antenna supervising apparatus for supplying a multiplexed signal comprised of a plurality of carrier wave  signals  respectively outputted  from a plurality of transmitters through a transmission line to an antenna, a directional  coupler  detects  progressive  signals  of  the multiplexed signal to the antenna and the reflected signals thereof   from  the  antenna,   and  a  band-pass   filter respectively  filters  the  progressive  signal  and  the reflected  signal  of  one  carrier wave signal preselected among those of the detected multiplexed signal.  Further, a detector  respectively  detects  the  filtered  progressive signal and the filtered reflected signal of the one carrier wave  signal,  and  a  micro  processing  unit  calculates  a standing wave ratio with respect to the preselected one carrier wave signal based on the detected signals.
Patent CA-2054439-A1 (CA)
Title: Integrated coking-gasification process with mitigation of slagging
Inventor: CHEN TAN-JEN
IPC: C10J3/54
Filed: 1991-10-29
Abstract: ABSTRACT OF THE DISCLOSURE     A fluid coking-gasification process for converting heavy hydrocarbonaceous  chargestocks  to  lower boiling  products  in  which  a slagging  prevention  material  is  used  to  mitigate  bogging  of  the fluidization bed in the coking zone or slagging in the gasifier.   The slagging  prevention  material  is  selected  from  (i)  inorganic  metal compositions wherein the metal  is selected from zirconium, the alkaline-earth metals and the rare earths; and (ii) zeolitic materials such as spent catalytic cracking catalyst.  The material is added either directly into the gasifier or it is mixed with the coke passing from the heating zone to the gasification zone.
Patent CA-2054482-A1 (CA)
Title: Special purpose blends of hydrogen and natural gas
Inventor: LYNCH FRANK E
IPC: F02B43/10
Filed: 1991-10-29
Abstract: An alternative fuel for use in internal combustion engines is disclosed. The fuel comprises a first component, predominated by lower alkanes, such as natural gas, and hydrogen as a second component. The proportion of the mixture is selected to produce a combustion rate which approximately matches the combustion rate of traditional fuels, such as petroleum-based fuels. The fuel of the invention is inexpensive and clean burning and increases the thermal efficiency of internal combustion engines. It can be substituted for or burned interchangeably with conventional fuels in spark ignition internal combustion engines. It can also be burned in conjunction with diesel fuel in compression ignition engines.