baber/WOPTO huggingface dataset:
Patent CA-2014344-A1 (CA)
Title: Ultraviolet ray measuring apparatus
Inventor: HAYASHI MUTSUMI
IPC: G01J1/42
Filed: 1990-04-11
Abstract: ABSTRACT OF THE DISCLOSURE An ultraviolet ray measuring, apparatus is provided which comprises first and second photodiodes having substantially the same spectral sensitivity at least in an ultraviolet band, and a first optical filter arranged in front of a light-receiving face of the second photodiode, for shielding only light of at least a part of the ultraviolet band , and measures the light intensity and its accumulated value in accordance with the difference between electric signals output from the first and second photodiodes.  It is preferable that a second optical filter, which has a main transmitting band in the ultraviolet band and a sub-transmitting band in the visible light range, be arranged in front of the light-receiving faces of the first and second photodiode. A multi-step bar graph display device displays indexes, such as an MED multiple value and an SPF value, which represent the measured light intensity and accumulated value in association with a reference MEL) value, so that this apparatus can suitably serve as a sunburn monitor.
Patent CA-2017127-A1 (CA)
Inventor: DUFOURNET DENIS
IPC: H01H33/91
Filed: 1990-05-18
Abstract: A dielectric blast gas circuit breaker comprising a main fixed contact, a main arcing contact, and moving equipment including, in particular, a moving arcing contact and blast means, wherein the circuit breaker includes a moving main contact which is disunited from the moving equipment and which is implemented by means of a short cylindrical element associated with means communicating a speed thereto during circuit breaking which is lower than the speed of the moving equipment. The invention is applicable to medium tension circuit breakers having a high nominal current, such as the circuit breakers used in a power station.
Patent CA-2017224-A1 (CA)
Inventor: DEROUIN RICHARD L
IPC: A47G29/00
Filed: 1990-05-22
Abstract: Form 24 ABSTRACT of the DISCLOSURE      A  clip  for  retaining  and  adhesively  or  magnetically fastening articles to position said articles to horizontal  or vertical surfaces comprising an elliptical channel of resilient formed plastic or sheet metal, open on one side.  The said clip having integrally formed, raised portions of each channel  arm, forming a  secure guide  around the base of  a disposable  tape dispenser case.  The bottom face of the said clip is comprised of a self-adhesive or magnetic tape or strip.
Patent CA-2017479-A1 (CA)
Inventor: SCHMIDT LAWRENCE R
IPC: B29C48/76
Filed: 1990-05-24
Abstract: RD-19160 METHOD FOR EXTRUDER DEVOLATILIZATION OF SPIRO(BIS) INDANE POLYCARBONATES Abstract Spiro(bis)indane polycarbonates, including homo-and copolycarbonates, are devolatilized by extrusion under conditions of low viscous dissipation and low residence time. By this method, volatile impurities including spiro(bis)indane cyclic dimer may be removed.
Patent CA-2018041-A1 (CA)
Title: Language laboratory systems
Inventor: HIRAMATSU TAMIHEI
IPC: G09B19/06
Filed: 1990-06-01
Abstract: Individual training stations are able to record and play back a student's own pronunciations as well as to reproduce the recorded pronunciations of fellow students and of prerecorded voice teaching aids by means of a digital memory and controller.
Patent CA-2022800-A1 (CA)
Title: Keyboard
Inventor: ROYSDEN BRUNN W JR
IPC: G06C7/02
Filed: 1990-08-07
Abstract: Abstract of the Disclosure A keyboard for the input of alphanumeric data. The keyboard  can  be  compacted  for  transport,  and  can  be expanded for use to permit the keyboard to take on a size and spacing corresponding to that found in a keyboard for a   conventional   full   sized   typewriter,   computer, calculator, telephone, or other type of equipment.
Patent CA-2023268-A1 (CA)
Inventor: HATO NOBUHIRO
IPC: B42D15/02
Filed: 1990-08-14
Abstract: Postcards  and  reply  postcards  for  confidential purposes of a structure in cimbination comprising an S- or Z- folding,  continuous postcard  form having on at  least  one major  side  a  first  region to bear an address and second regions to bear confidential information, one of said second regions being folded back onto the back side of said first region along a line and the other of said second regions being folded back onto said one region along a line on the middle portion of and between said second regions and a Z-folding  continuous  postcard  form  is  designed  for  mailing information and a third region being folded back onto said one region along a folding line is designed for a reply, and such postcard form is prepared in a continual form so as to be printed both addresses of the addressees and items of his confidential  information  at  the  same  time  by  a  printer connected to a computer thereby to ensure the right entry of information and a third region,  if any,  being printed the addresses  and  names  of  addressors  and  as  a  mean to temporarily bond the second region with a laminated sheet assembly to be inserted between  the regions,  and adhesive sheet inserted between the back sides of said first region and said one of said second regions so that they are bonded together.
Patent CA-2024354-A1 (CA)
Title: Circuit arrangement for controlling the level of electrical signals
Inventor: BRAHMS MARTIN
IPC: H03G3/30
Filed: 1990-08-30
Abstract: ABSTRACT OF THE DISCLOSURE      For controlling the level of electrical signals a circuit arrangement is formed with two series connected amplifiers.  A first amplifier containing a first variable resistor, operates at maximum amplification when a low input signal level is received.  A second amplifier comprises a series connection of a second variable resistor and a current-controlled voltage source with two complementary outputs.  The outputs of the voltage source are connected to a comparator and a controller with two separate outputs.  One of the controller outputs transmits a control signal while the other output simultaneously transmits a blocking signal.  A first output of the controller is connected with the first variable resistor, while a second output of the controller is connected to the second variable resistor.
Patent CA-2024748-A1 (CA)
Title: Packaging material for shredded cheese
Inventor: HUGHART JEFFREY S
IPC: B32B27/34
Filed: 1990-09-06
Abstract: ABSTRACT OF THE DISCLOSURE           A   polymeric film is useful in packaging shredded cheese on form/fill/seal equipment.   It has good hot seal and cold seal properties even in the presence of contamination in the seal areas of the package. It  also  has  a  low  seal  initiation  temperature,  toughness  and  abuse resistance.  The film comprises a core layer comprising an oxygen barrier material;   an   internal  polyamide  layer  disposed  on  each  surface respectively of the core layer; a sealant layer having very low density polyethylene;  an outer heat resistant layer; and an intermediate layer disposed between the internal polyamide layer and each of the sealant layer and outer layer respectively, and comprising a chemically modified polyolefin.  This film can be bonded to an additional film to form a laminate, optionally with a trap printed surface.     4/891212.5A/SPECFLDR/11:05:30 AM/August 23, 1990
Patent CA-2025803-A1 (CA)
Title: Composition, device and method of assay for peroxidatively active substances
Inventor: PUGIA MICHAEL J
IPC: G01N31/00
Filed: 1990-09-20
Abstract: IMPROVED COMPOSITION, DEVICE AND METHOD OF ASSAYING FOR PEROXIDATIVELY ACTIVE SUBSTANCES Abstract of the Disclosure A new and improved test device and method of determining the presence or concentra-tion of a peroxidatively active substance, such as hemoglobin, in a test sample are disclosed. The test device includes a test pad comprising a suitable carrier matrix incorporating an indicator reagent composition capable of interacting with a peroxidatively active substance to produce a detectable or measurable response. In addition, a new and improved indicator reagent composition, comprising an indicator dye, such as a redox indicator, like a benzidine indicator; a hydro-peroxide; a metal ion complex; and a phosphorus compound having the general structural formula or , wherein R1 or R2 is selected from the group con-sisting of hydrogen, an unsubstituted or a sub-stituted alkyl moiety including from one to about twelve carbon atoms, an unsubstituted or a sub-stituted aromatic moiety and a residue of an aliphatic or an aromatic polyhydric compound; and wherein X is O, S or NH; such as glyceryl-2-phosphate or phenyl dihydrogen phosphate, is incorporated into a carrier matrix, or used in a wet phase assay, to provide a more accurate and trustworthy assay of a test sample for a peroxi-datively active substance. The improved method and composition are especially useful in the assay of urine for occult blood. MS-1597
Patent CA-2025981-A1 (CA)
Inventor: TURUNEN ILKKA
IPC: C01B15/023
Filed: 1990-09-21
Abstract: Abstract The invention relates to a process for converting anthrahydro-quinone dissolved in an organic solvent to hydrogen peroxide and anthraquinone by causing a mixture of oxygen and anthra-hydroquinone to flow cocurrently through a reaction zone. Ac-cording to the invention, the mixture of oxygen and anthra-hydroquinone is caused, as an almost continuous mixed disper-sion, to flow through the tubular reaction zone at such a ve-locity that the vacuum-pipe velocity of the liquid therein is higher than 0.05 m/s. The ratio of the length of the tube used as the reactor to its diameter is at minimum approx 10, and it may contain a static mixer made up of one or several parts.
Patent CA-2026856-A1 (CA)
Title: 3-substituted-1,4-benzodiazepines useful as oxytocin
Inventor: BOCK MARK G
IPC: C07D243/24
Filed: 1990-10-03
Abstract: 9748P/FPGge Case 17782Y         TITLE OF INVENTION 3-SUBSTITUTED-1,4-BENZODIAZEPINES AS OXYTOCIN ANTAGONISTS            ABSTRACT OF THE INVENTION         Compounds of Formula I are antagonists of oxytocin ant are useful in the treatment of preterm labor and dysmenorrhea, and for stoppage of labor prepatory to Caesarean delivery.               I
Patent CA-2028304-A1 (CA)
Title: Process for the preparation of a thermoplastically processable aromatic polyamide
Inventor: POLL GUNTER
IPC: C08G69/32
Filed: 1990-10-23
Abstract: Abstract A process for the preparation of a thermoplastically processable aromatic polyamide by polycondensation of (A) HOOC-Ar-COOH and (B) H2N-Ar1-NH2, wherein Ar is, for example, 1,3- or 1,4-phenylene and Ar1 is   wherein X is -SO2- or -CO- and Y is -O- or -S-, in the melt at a temperature of from 200 to 400°C and in the presence of 0.05 to 4 mol % of a catalyst which is composed of a mixture of a phosphorus compound and a tin(II) compound.  The polyamides so obtained have an improved resistance to thermooxidation and are useful in moulding compositions.
Patent CA-2028728-A1 (CA)
Title: Sorting process and apparatus
Inventor: BRAUN EGON
IPC: B07B13/10
Filed: 1990-10-29
Abstract: ABSTRACT         For sorting particles of a mixed particulate material in dependence on their coefficients of sliding friction it is proposed that the particles are fed to a revolving endless belt, which has from the feed point to the downstream discharge edge a length portion having a length which in dependence on the velocity of the revolving belt is so determined that only those particles of the mixed material which have the highest coefficient of sliding friction will be accelerated to the velocity of the belt while moving on said length portion and that all particles having a relatively lower coefficient of sliding friction will have a lower velocity at the discharge edge 90 that the particles which have been discharged will fly along different trajectories and can be collected by correspondingly disposed devices.
Patent CA-2028864-A1 (CA)
Title: Photosensitive member and electrostatic information recording method
Inventor: OBATA HIROYUKI
IPC: G11C7/00
Filed: 1990-03-15
Abstract: ABSTRACT      A photosensitive member which has an electrode provided on the front side and a photoconductive layer stacked on the electrode, the photosensitive member being disposed face-to-face with an electrostatic information recording medium that includes a charge retaining layer having an electrode provided on the rear side, either in or out of contact with each other, to carry out exposure with a voltage being applied between the two electrodes, thereby forming an electrostatic charge pattern on the electrostatic information recording medium in accordance with an exposure light pattern.  The layer arrangements of the photosensitive member and the photoconductive layer as well as the method of forming the photoconductive layer are improved so that electrostatic information can be recorded on the electrostatic information recording medium with high sensitivity and it is also possible to improve the contrast ratio of the information charge at the exposed region to that at the unexposed region.
Patent CA-2029397-A1 (CA)
Title: Arrangement for connecting a telefax device or a telephone set to a telecommunication line
Inventor: VAN SANTBRINK RONALD B
IPC: H04N1/32
Filed: 1990-11-06
Abstract: ABSTRACT                Disclosed is an arrangement for optionally connecting a facsimile device or a telephone set to a telecommunication subscriber line, comprising a line input for connecting the sub-scriber line, a telephone output for connecting the telephone set and comprising a telefax output for connecting the facsimile device.  The arrangement comprises:         *    a line seizing circuit for seizing the subscriber line in response to a call signal from the subscriber line;         *    first detection devices for detecting voice signals or predetermined tone signals, which first detection devices produce a first connection control signal on detection of the signals and produce a second connection control signal in all further cases;         *    second detection devices for detecting voice signals, which second detection devices produce a second connection control; signal on detection of voice signals and produce the first connection control signal in all further cases;         *    connected to the two detection devices, connection devices for establishing a connection between the line input and the telefax output in response to the first connection control signal and for establishing a connection between the line input and the telephone output in response to the second connection control signal;         *    selection devices for activating the first or second detection devices as desired by the user.
Patent CA-2029600-A1 (CA)
Title: Induction heater for heating of bearings and the like
Inventor: TYLER GEORGE W
IPC: H05B6/10
Filed: 1990-11-08
Abstract: An induction heater for ring-like articles such as bearings includes a  hinged  clamp-like  magnetically  inductive  core  of  ferrite  which can  be  opened  to  receive  and  closed  to  accommodate  the  article to be  heated  and which has a primary winding and a source of high frequency current derived from a switch mode power supply; and having temperature sensors and  safety  circuits  adapted  to  prevent  damage due  to  too  high  temperatures  and  to  ensure  proper  operation  for articles of differing sizes.
Patent CA-2030982-A1 (CA)
Title: Air compressing and accumulating device
Inventor: LEROY FREDERIC
IPC: F04B35/04
Filed: 1990-11-28
Abstract: Device for the compression and storage of air comprising, on the one hand, a reservoir (1) provided with an air discharge head (5) intended for cooperation with a container to be charged with compressed air and, on the other hand, at least one compression chamber (C1), associated with air inlet valves (19) and air ejection valves (15) and with a compression element actuated by a motor means (13) compressing the volume of the chamber (C1) between a maximum volume and a minimum volume, the ratio between the maximum volume and the minimum volume of the said chamber (C1) being from 1.2 to 20.
Patent CA-2033640-A1 (CA)
Title: Vaccines against cancer and infectious diseases
Inventor: GOLDENBERG DAVID M
IPC: C07K16/18
Filed: 1991-01-04
Abstract: A method of stimulating an immune response in a human against malignant cells or an infectious agent comprises the step of administering to the human an immunogenic amount of a primate anti-idiotype antibody or antibody fragment that acts as an immunogenic functional mimic of an antigen produced by or associated with a malignant cell or an infectious agent.       Sub-human primate anti-idiotype antisera, especially from baboons, are preferred. Such anti-idiotype antibodies are used to make vaccines for inducing preventive immunity or a therapeutic immune response against tumors, viruses, bacteria, rickettsia, mycoplasma, protozoa, fungi and multicellular parasites.
Patent CA-2037606-A1 (CA)
Title: Polyurethane, elastic polyurethane fiber and polyesterpolycarbonatediol used for the same
Inventor: KOMIYA YUKIATSU
IPC: C08G71/04
Filed: 1991-03-06
Abstract: The present invention is directed to an elastic polyurethane obtained by copolymerization of a polymer diol of a polyesterpolycarbonate diol utilizing a long-chain diol having methyl branches or a mixed diol of a polyester diol and a polycarbonate diol, with an organic diisocyanate and a chain extender. Elastic fibers obtained by spinning said polyurethane have low tensile stress at low tensile strain zone and high tensile stress at high tensile strain zone.
Patent CA-2040253-A1 (CA)
Inventor: RODRIGUEZ-CAVAZOS ENRIQUE
IPC: H04N3/185
Filed: 1991-04-11
Abstract: ABSTRACT             A horizontal deflection circuit output stage generates a retrace pulse in a tertiary winding of a flyback transformer. A flyback pulse that is substantially wider than the retrace pulse is produced in a winding of a second transformer that is coupled in series with the tertiary winding such that the retrace pulse occurs when a peak portion of the flyback pulse is already relatively "flat". The amplitude of the flyback pulse is controlled in a negative feedback loop for stabilizing an ultor voltage.
Patent CA-2041043-A1 (CA)
Inventor: MERRITT JOHN H III
IPC: A01F15/14
Filed: 1991-04-23
Abstract: A roll baling machine includes a main frame, a tailgate pivotally connected to the main frame, and an apron extending around a plurality of guide rolls disposed in the main frame and in the tailgate. A pair of take up arms are rotatably mounted in the tailgate and carry an additional guide roll for tile apron. A pair of levers are connected to rotate with the take up arms, and springs are connected to the levers to urge the take up arms into a bale starting position. The machine is provided with a twine wrapper, and a mechanism for automatically tripping the twine wrapper into operation comprises a cam surface on one of the levers engageable with a cam roller carried on a first link.      This first link is rotatably mounted on the main frame and is connected to a sliding member which is movable toward and away from a tripping position. The tripping mechanism also includes second, third and fourth links connecting the first link to the sliding member. When the tailgate is raised, the cam surface on the one lever is moved out of engagement with the cam roller on the first link to prevent improper tripping of the twine wrapper.
Patent CA-2041394-A1 (CA)
Title: Osteogenic composition and implant containing same
Inventor: O'LEARY ROBERT K
IPC: A61K35/32
Filed: 1991-04-29
Abstract: An osteogenic composition is obtained from demineralized bone tissue.
Patent CA-2045313-A1 (CA)
Title: Disposable plastic liquid pump
Inventor: OPHARDT HEINER
IPC: F04B53/12
Filed: 1991-06-24
Abstract: A disposable plastic pump for dispensing liquids is disclosed which comprises three basic unitary all plastic elements: a chamber forming body having an open outer end and an inner end in fluid communication with a liquid reservoir, a one-way valve located at the inner end of the chamber between the reservoir and the chamber permitting fluid flow only from the reservoir into the chamber, and a piston formed to slidably fit into the chamber.  The piston comprises a stem on which is located an inwardly located flexing element serving as a one-way valve to permit fluid flow outwardly past the flexing element and a sealing element located outwardly of the flexing element.  A channel is provided from an inlet on the piston between the flexing element and the sealing element through which the dispensed liquid flows.
Patent CA-2046666-A1 (CA)
IPC: B27N3/14
Filed: 1991-07-10
Abstract: A spreading unit which may be used for the spreading of particles for the production of thin pressed board or as a cover layer or face layer for a multilayer pressed board in conjunction with other spreading units along a belt upon which a mat of the mixture of particles and glue is to be formed.  The spreading unit has a bunker and a discharge system for discharging a raw material stream in free-fall which is intercepted by an air classifier spread-ing the particles onto the belt in parabolic paths.  In a region directly below the raw-material discharge and over a portion of the parabolic paths, a ball-collecting unit, for example a disk grate, is provided to intercept the balls while allowing the particles to pass without altering their classification.  Fine particles of the parabolic paths beyond the ball catcher pass directly onto the belt.
Patent CA-2047393-A1 (CA)
Title: Stabilized monomer compositions
Inventor: GATECHAIR LESLIE R
IPC: C07C67/62
Filed: 1991-07-18
Abstract: A process for stabilizing an ethylenically unsaturated monomer or oligomer from premature polymerization is disclosed whereby a stabilizing amount of an N-hydroxy substituted hindered amine is added to said polymerizable monomer or oligomer.  The ethylenically unsaturated monomer or oligomer encompass vinyl monomers or oligomers bearing at least one polymerizable moiety. The N-hydroxy substituted hindered amine inhibits premature polymerization in the liquid and/or vapor phase.
Patent CA-2047910-A1 (CA)
Title: Method and apparatus for enlarging an underground path
Inventor: CHERRINGTON MARTIN D
IPC: E21B7/20
Filed: 1991-07-25
Abstract: Abstract of the Disclosure A method and apparatus for enlarging an inverted arcuate underground  path  between  two  surface  locations  (O,  E)  is disclosed, where the cuttings from the enlarging are removed. After the drilling of a pilot borehole (B), and possibly after some reaming operations, a reamer (8) and hole cleaner (20) are pulled through the path, with the reamer (8) rotating as the drill string (9) in the path rotates.  The rotation of the drill string (9) also powers a positive displacement pump (14) inside of the hole cleaner  (20),  which pumps  fluid and entrained cuttings to the surface behind the hole cleaner (20).  Fluid may also be pumped into the reamer (8) from behind the hole cleaner (20), preferably by way of an inlet pipe (12) which surrounds the outlet (11) from the pump.   The hole cleaner includes an agitator (6), also powered by the rotation of the drill string (9),  which agitates the fluid and cuttings while the drill string (9) is rotated but is not being pulled to the surface. Pressure control may be maintained either by monitoring the fluid in and out of the path together with the volume of the cuttings, or by direct monitoring of the pressure at the reamer (8).
Patent CA-2049306-A1 (CA)
Title: Word listing system
Inventor: KASRAVI PETER B
IPC: G06F17/27
Filed: 1991-01-17
Abstract: ABSTRACT OF THE DISCLOSURE           A word listing system adapted to be complied into an electronic or print dictionary or compendium wherein the words are arranged in columns.  There is a vertical guide column which indexes words arranged horizontally in said columns by corresponding letters alphabetically arranged therein.  Said words may extend horizontally on either side of said guide column, end or begin with the letter in said guide columns.  Each word in said list is reproduced at least twice in said compendium.