baber/WOPTO huggingface dataset:
Patent CA-2050245-A1 (CA)
Title: Semiconductor device
Inventor: NAKAJIMA SHIGERU
IPC: H01L29/778
Filed: 1991-08-29
Abstract: Abstract of the Disclosure This invention is a semiconductor device comprising a heterojunction of (AlAs)x(InSb)1-x wherein a composition ratio x is 0.65 to 0.85 and InP.  In addition, this invention is a semiconductor device comprising a heterojunction of (AlAs)x(GaSb)1-x wherein a composition ratio x is 0.4 to 0.6 and InP.          Furthermore, this invention is a semiconductor device comprising a heterojunction of GaAsxSb1-x wherein a composition ratio x is 0.4 to 0.6 and InP.  Each heterojunction is formed with good crystal lattice matching properties in an interface.  Since an interface level concentration in the heterojunction interface is reduced, various conventional problems caused by a high-concentration interface level can be solved.  In addition, since characteristics such as a high saturated electron speed and a high thermal conductivity of InP are achieved in a semiconductor device, a high-power element having good RF characteristics can be provided.
Patent CA-2052473-A1 (CA)
Title: Rotary-anode type x-ray tube having a ceramic bearing surface
Inventor: ANNO HIDERO
IPC: H01J35/10
Filed: 1991-09-30
Abstract: A rotary X-ray tube of the anode type wherein at least one of bearing surfaces which are partly formed on rotary and stationary structures is made of ceramics whose main component is the nitride, boride or carbide of at least one of those deviation metals, except chro-mium, which belong to a group IVA, VA or VIA element of a period 4, 5 or 6 of the Periodic Table.
Patent CA-2054314-A1 (CA)
Title: Cement-free silicon carbide monoliths
Inventor: LANGENOHL MARK C
IPC: C04B35/10
Filed: 1991-10-28
Abstract: CEMENT-FREE SILICON CARBIDE MONOLITHS     ABSTRACT OF THE INVENTION       A lime-free silicon carbide based refractory containing about 87% silicon carbide sized -10 mesh, about 5% alumina sized -325 mesh, about 3% silica sub-micron size, and about 5% alkali-phosphate modified alumino-silicate binder.  This material finds particular applicability in the construction of cast shapes and troughs for non-ferrous metal production and as a refractory lining for boiler tubes.
Patent CA-2054847-A1 (CA)
Title: Antithrombogenic surfaces, their preparation, and materials
Inventor: WALLES WILHELM E
IPC: A61L33/08
Filed: 1991-11-01
Abstract: ABSTRACT       Disclosed are antithrombogenic surfaces, particularly antithrombogenic medical devices, their preparation, and materials useful in their preparation, especially an aqueous paint which may be used to coat a solid substrate to render the surface thereof antithrombogenic.  The aqueous paint preferably contains water, a base, an antithrombogenic agent such as heparin, a non-leachable binder such as an acrylic acid copolymer, and a spacer material such as colloidal silica.  The non-leachable binder binds the antithrombogenic agent to the surface and amongst the particles of the spacer material.  The result is an essentially permanent antithrombogenic surface.     C-37,588-F
Patent CA-2058446-A1 (CA)
Title: Peristaltic pump
Inventor: HALL RICHARD C
IPC: A61M1/10
Filed: 1990-06-05
Abstract: A peristaltic pump has an occluder ring (1) and a rotor (5) with drive rollers (16, 17) for squeezing a flexible pipe (11) against the ring (1). The rotor has dogs (12a, 12b) for overriding a bight of the pipe to load it through a gap (10) between a cover plate (8) of the rotor and the ring (1).
Patent CA-2061147-A1 (CA)
Inventor: KEPPLINGER WERNER-LEOPOLD
IPC: C21B13/02
Filed: 1992-02-13
Abstract: There is disclosed a method of starting a plant for the production of pig iron or steel pre-material including  a  direct-reduction  shaft  furnace  and  a meltdown gasifier.        - At first the still empty meltdown gasifier is heated up by aid of a combustible gas and the smoke gases forming  are   introduced   into  the  still   empty direct-reduction shaft furnace.        - Coke or a degassed coal product is charged into the direct-reduction shaft furnace and the smoke gases introduced into the direct-reduction shaft  furnace are passed through the  coke or  the degassed coal product by releasing their sensible heat.        - The coke or the degassed coal  product thereby  is heated to ignition temperature and is charged into the meltdown gasifier in the hot state, catching fire upon the injection of an oxygen-containing gas or of oxygen.        - A further coal or coke bed serving for gasification is charged on the ignited bed of coke or degassed coal product and the charging substances are charged into the direct-reduction shaft furnace.
Patent CA-2063721-A1 (CA)
Title: Mycobacterium chelonae polar glycopeptidolipids-based immune booster medication
Inventor: PILET CHARLES
IPC: A61K39/00
Filed: 1991-06-06
Abstract: PCT No. PCT/FR91/00449 Sec. 371 Date Apr. 3, 1992 Sec. 102(e) Date Apr. 3, 1992 PCT Filed Jun. 6, 1991 PCT Pub. No. WO91/18617 PCT Pub. Date Dec. 12, 1991.A pharmaceutical composition having as the active ingredient an at least partially purified extraction fraction of polar glycopeptidolipids of Mycobacterium chelonae having formula (1). The composition can be used in particular for stimulating non-specific immunity in humans and animals.
Patent CA-2071333-A1 (CA)
Title: Method and apparatus for synchronizing the readout of a sequential media device with a separate clocked device
Inventor: CARMON DONALD E
IPC: G06F3/08
Filed: 1992-06-16
Abstract: A method and apparatus for controlling the readout rate of information from a sequential storage medium, such as a CD-ROM,   to  maintain   synchronism  between  the   device containing the medium and an independent receiver receiving the information.  Information is loaded from the media into a buffer at a rate controlled by pulses from a device clock. Information is unloaded from the buffer for utilization by the receiver independently of the loading of the buffer. The amount of free space available in the buffer is measured as information is  loaded into the buffer.   The rate of the clock is dynamically adjusted in response to the amount of free buffer space to maintain the full state of the buffer within predetermined limits.   In this manner,  the buffer never empties or fills in response to the unloading by the independent receiver.
Patent CA-2072072-A1 (CA)
Title: Organic polymer compound and production thereof
Inventor: KUZUYA MASAYUKI
IPC: A61K47/48
Filed: 1991-10-23
Abstract: A homopolymer of a (meth)acrylic acid derivative represented by general formula (I), a process for producing the same by mechanochemical polymerization, and polymer drug and prodrug containing the same: wherein R1 represents hydrogen or methyl; R2 represents a residue of a compound having a physiological activity in its chemical structure; X represents a residue of a compound having hydroxyl, amino or carboxyl groups at both terminals in its chemical structure; and n is such a number as to give a number-average molecular weight of 20,000 to 200,000.
Patent CA-2072439-A1 (CA)
Title: Disk brake pad, especially with carbon-carbon lining
Inventor: PRUD HOMME GUY
IPC: F16D69/00
Filed: 1992-06-26
Abstract: The present invention relates to a pad device for a disc brake intended to be mounted on any caliper comprising at least one surface for positioning the pad on which there emerges at least one thrust piston for the pad and an arrangement for linking the pad to the caliper. This device comprises:   - a first element (1) made from a sheet of thermally insulating material called a screen element intended to be arranged against the positioning surface, - at least one second element (2) made of a thermally insulating material called a spacer element, of sufficient thickness, having reduced frontal contacts and arranged against the first element (1), - a lining (3) made from a friction material with high heating and in particular made from carbon-carbon positioned against the second element (2), the first element (1) and/or the second element (2) comprising means for holding the lining (3) and fastening means interacting with the caliper linking arrangement. <IMAGE>
Patent CA-2073395-A1 (CA)
Inventor: HUANG BARNEY K
IPC: A01G9/10
Filed: 1992-07-08
Abstract: The present invention entails a plant growing tray system which includes a tray with a plurality of individual plant cells having an open top and bottom and a detachable screen or perforated bottom. Each tray cell is designed to contain and hold a plant growing medium such as peat cake or peat-soil mix. A detachable bottom secured to the bottom part of the plant tray provides air-pruning of plant roots to grow superior plants and can be conveniently removed from the plant tray for easy removal of the individual plants or seedlings from the tray bottom. Air-pruning of plant roots eliminates root binding or tangling and accelerates root branching resulting in enhanced root branching and accelerated plant growth in the cell and after transplanting.      The plant tray has a surrounding edge to hold a water level above the tray bottom so that it can uniformly water the plants from top of the tray cells or micro-feeding holes of each cell for self watering and to maintain uniform root zone temperature throughout the tray. The detachable screen or perforated bottom can be press fitted or slide fitted to the tray bottom to hold the peat mix and to provide effective air-pruning of the plant roots.
Patent CA-2074779-A1 (CA)
Title: Pressurising apparatus for pressure vessels
Inventor: CINOTTI LUCIANO
IPC: G21C1/09
Filed: 1992-07-28
Abstract: ABSTRACT      PRESSURISING APPARATUS FOR PRESSURE VESSELS            Pressurising apparatus (1) is described which comprises a cylindrical tank (2) divided by a partition (7) into a lower part (6) containing cold water and an upper part (5) containing hot water in equilibrium with a mass of steam (9) above it.  The apparatus further includes at least one duct (10, 11) connecting the first and second parts which has a first end (10a, 11a) immersed in the hot water in the upper part (5) and a second end (10b, 11b) immersed in the cold water in the lower part, and at least one condensation duct (12) having a first end (12a) located in the mass of steam (9) and a second end (12b) immersed in the cold water in the lower part (6).
Patent CA-2074894-A1 (CA)
Inventor: BENEDETTI GIANPIETRO
IPC: B21B1/08
Filed: 1992-07-29
Abstract: ABSTRACT Method to obtain in the cold state single finished sections (11) from substantially cold single multi-section elements (12)  produced by hot rolling,  extrusion or drawing,  the single multi-section element (12) consisting of at least two finished sections  (11)  (angle  irons,  angle  irons  with unequal  sides,  Z-sections,  T-sections,  flats,  etc.) positioned side by side and connected together lengthwise along the terminal part of an edge, the sections (11) being separated by a web  (21),  the  cold single multi-section element (12) being positioned and undergoing the splitting of the web (21)  from the sections  (11), the edges of the finished sections (11) facing the web (21) after splitting being   subjected to a re-gauging operation,  the finished sections (11) being then straightened and made linear at the same time. Machine to obtain in the cold state single finished sections (11) from single multi-section elements (12) produced by hot rolling  or  extrusion/drawing,  the  single  multi-section element  (12) consisting of at least two finished sections (11)  (angle  irons,  angle  irons  with unequal  sides,  Z-sections, T-sections, flats, etc.) positioned side by side and connected together lengthwise along the terminal part of an edge by a web (21), the machine comprising in sequence at least one drawing assembly  (36),  at  least one splitting assembly (20) and at least one re-gauging assembly (29).
Patent CA-2076017-A1 (CA)
Title: Firing arrangements
Inventor: ALFORD SIDNEY
IPC: F42B3/10
Filed: 1991-12-16
Abstract: A firing arrangement for detonating secondary explosives includes charge storage means (2) a switch and a initiator (3) for producing a high energy pulse and transforming it into a form suitable for detonating secondary explosive, with at least two of the components being contained in a common unit suitable for hand-held use. This eliminates the need to use a conventional detonator containing primary explosive and also enables a particularly compact arrangement to be produced. In one particular embodiment of the invention, the initiator (3) is replaceable and included in a unit (29) which also houses the power supply, a capacitor and a switch.
Patent CA-2076343-A1 (CA)
Inventor: SIGNORINI LIDO
IPC: B01F1/00
Filed: 1992-08-18
Abstract: Procédé pour l'obtention de solutions aqueuses de peroxyde d'hydrogène Procédé pour l'obtention de solutions aqueuses de peroxyde d'hydrogène selon le procédé aux alkylanthraquinones fournissant une solution aqueuse concentrée de peroxyde d'hydrogène à teneur réduite en impuretés selon lequel on procède à un appoint continu de composés acidifiants et/ou de composés stabilisants consistant à recycler vers l'unité d'oxydation au moins une partie de la purge quittant l'unité de distillation. Figure 1.
Patent CA-2076936-A1 (CA)
Inventor: SMITH RICHARD S
IPC: E03D1/30
Filed: 1992-08-26
Abstract: A water saver unit for use with a flush toilet having a tank, a flush handle, a tank drain opening and a flapper valve support,  with  a  flapper  valve having  a  flapper  element  for mounting on the flapper valve support, and a strap for connecting the  flapper  element  to  the flapper  handle,  with  the  flapper element having a  solid disk with upper and  lower  surfaces, a center section and a rim,  with radially extending ribs on the upper surface between the center section and rim, and with the bottom surface tapering downward from the rim toward the center section. A float is positioned on the strap to provide bouyancy to the flapper valve as long as the float is below the water level in  the  toilet  tank.   The  flapper  element  solid  disk  is  of substantially uniform thickness between the  center section and rim,  and the bottom surface taper is in the order of 5 to 20 degrees, preferably about 10 degrees. The center section includes a cylindrical portion  with  the  ribs abutting the cylindrical portion, and with a generally flat section at the center of the lower surface, and with the flapper element molded in a single piece.
Patent CA-2077104-A1 (CA)
Title: Reception of tdma digital data signal with compensation for channel variations
Inventor: OKANOUE KAZUHIRO
IPC: H04J3/00
Filed: 1992-08-28
Abstract: When time-division multiplexed digital data signals are to be demodulated, symbols in a time slot and symbols in the next time slot are stored in memory.  The digital data signal in each time slot includes a training sequence.  Channel estimators extract channel information regarding stored signals from the signals themselves as well as from the training sequences in succeeding time slots  and output the channel information to a channel information generator which combines the channel information from the channel estimators into channel information regarding the signal in the time slot.  A demodulator receives the combined channel information and the stored signals and demodulates the signal in the time slot.
Patent CA-2077281-A1 (CA)
Inventor: STRANDGAARD JAN
IPC: F16K31/165
Filed: 1992-09-01
Abstract: A valve controlled in dependence on differential pressure comprises a valve housing (4), a diaphragm housing (16)  fastened thereto, and connected therewith a setting device (3) with a set-point spring (50).  Fastened in the centre of the diaphragm (23) there is an insert (26) against which an end contact face (28) of the valve rod (7) lies.  The insert (26) is connected by way of an articulation (37)  to a pin (36)  which projects into the setting device (3) and is there loaded by the set-point spring (50).  In that manner, the valve movement is prevented from being obstructed by the influence of transverse forces.
Patent CA-2077317-A1 (CA)
Title: Absorbent article having a deformation resisting apparatus
Inventor: HOLTMAN DENNIS C
IPC: A61F13/472
Filed: 1992-09-01
Abstract: An absorbent article is provided having an apparatus attached to its garment facing side which allows the article to be attached to, and yet float on, an undergarment and which also serves to distribute the forces imposed on the article by the user's body over a large portion of the article and to transmit the forces to the undergarment, thereby increasing the geometric stability and shape maintenance of the article. The apparatus comprises a semi-rigid elastic frame formed from a thin plastic sheet and having two longitudinally extending members connected by at least one transversely extending member. Inwardly extending tabs for attaching the article to an undergarment are disposed at the mid-point of each longitudinally extending member. The longitudinally and transversely extending members may be pre-formed to give the article an arcuate shape. When applied to a winged article, the frame may also have outwardly extending tabs, disposed opposite each of the inwardly extending tabs, for properly positioning the wings.
Patent CA-2078026-A1 (CA)
Title: Herbicidal picolinamide derivatives
Inventor: BISSINGER HANS-JOACHIM
IPC: C07D213/81
Filed: 1992-09-11
Abstract: A B S T R A C T           HERBICIDAL PICOLINAMIDE DERIVATIVES      Compounds of the formula:       (I) wherein Rl and R2 each independently represents hydrogen, optionally substituted alkyl, aryl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, aralkyl, alkaryl, hydroxy, alkoxy, alkenyloxy, alkynyloxy, alkylcarbonyl, alkoxycarbonyl, amino, mono- or di-alkylamino, alkoxycarbonylamino, optionally substituted heterocycle or arylamino, dialkylcarbamoyl, trialkylsilyl or fused ring structure, or together form an alkenylene chain or an alkylene chain which is optionally interrupted by oxygen or sulphur or -NR-, R being hydrogen or alkyl; R3 represents hydrogen or halogen, or optionally substituted alkyl, alkoxy, aryl or aryloxy, or cyano, carboxy, alkoxycarbonyl, (alkylthio)carbonyl, alkylcarbonyl, amido, alkylamido, nitro, alkenyloxy, alkynyloxy, alkylthio, haloalkylthio, alkenylthio, alkynylthio, alkylsulphinyl, alkylsulphonyl, alkyloximinoalkyl or alkenyloximinoalkyl; R4 represents halogen, alkyl or haloalkyl; Z repressnts oxygen or sulphur;  m is 0-3; and n is 1-4, and certain intermediates in their production, exhibit herbicidal activity.            PS26/T952FF.DOC
Patent CA-2080791-A1 (CA)
Inventor: RUNNELS DAVID J
IPC: B62M3/06
Filed: 1992-10-16
Abstract: BICYCLE WITH RHOMBOIDAL GEAR                 ABSTRACT OF THE DISCLOSURE         A bicycle is disclosed with a rhomboidal (preferably 60° - 120°) drive sprocket gear and a circular driven sprocket on the rear driven wheel.  This gear arrangement varies the overall power input from the drive sprocket to the driven gear.   The shape of the drive sprocket and the location of the drive pedal changes the gear ratio so that a low gear ratio is utilized dur-ing the horizontal portion of movement of the cyclist's legs and a high gear ratio is utilized during the vertical movement of the legs.  The gear ratio with the rhomboidal gear is rela-tively constant during horizontal movement and abruptly changes at the approach to and during vertical movement of the cyclist's legs.  While the rhomboidal gear is shown primarily for bicycl-es it may be used in other systems for covering reciprocal to rotary movement with a change in gear ratio.
Patent CA-2082971-A1 (CA)
Title: Method of Forming a Decorative Article
Inventor: SALAMA ALBERT I
IPC: B29C48/35
Filed: 1992-11-16
Abstract: The present invention provides an improved article and process wherein metallic particles,     e.g., aluminum,  are encapsulated into a molten plastic material.  The molten layer is then laminated to another plastic layer, without glue or adhesive.  The composite sheet is molded into the shape of the desired aricle, e.g.,   a dinner plate.  The final article has a bright, mirror-like finish with an aluminum color, since the aluminum particles are clearly visible through the transparent plastic material.
Patent CA-2083291-A1 (CA)
Title: Filage par fusion des filaments crystallins a orientation particuliere
Inventor: CUCULO JOHN A
IPC: D01F6/62
Filed: 1991-05-15
Abstract: On produit des filaments synthétiques cristallins ultra-orientés (2) présentant une ténacité élevée, par extrusion d'une fusion de polymère synthétique fibrogène dans un bain isotherme liquide (3) maintenu à une température d'au moins 30  C au-dessus de la température de transition du verre du polymère, par retrait des filaments du bain puis par enroulement de ces derniers. Les filaments de téréphtalate de polyéthylène ainsi produits entre 3000 et 5000 m/min présentent une structure cristalline et possèdent une biréfringence comprise entre 0,20 et 0,22, une ténacité comprise entre 7 et 9 g/d, un allongement de rupture compris entre 14 et 30 % ainsi qu'un rétrécissement de perte par évaporation compris entre 5 et 10 %.
Patent CA-2083512-A1 (CA)
Title: Processes for recovering tocotrienols, tocopherols and tocotrienol-like compounds
Inventor: QURESHI ASAF A
IPC: A23L33/15
Filed: 1991-05-23
Abstract: The present invention relates to processes for obtaining Tocol products, such as tocotrienols, tocopherols and tocotrienol-like compounds from plant sources in high yields. More particularly, this invention relates to processes for stabilizing and recovering Tocol products from plant materials, such as cereals, grains and grain oils. The Tocol products recovered according to this invention are useful in pharmaceutical compositions, food formulations and dietary supplements. These compositions, formulations and supplements advantageously lower the blood level of low density lipoproteins and total serum cholesterol in humans and animals.
Patent CA-2083777-A1 (CA)
Title: Cooling apparatus
Inventor: WARDLE DAVID G
IPC: F28D19/04
Filed: 1992-11-25
Abstract: Cooling apparatus comprises a cooling chamber such as a freezing tunnel 2 having a pipeline 4 for introducing liquid nitrogen into it and an exhaust passage 14 for cold nitrogen vapour. The exhaust passage 14 extends through a rotary regenerative heat exchanger 20. Downstream of the heat exchanger 20 is a fan 26 operable to draw the exhaust gas through the heat exchanger 20. A second passage 28 extends through the heat exchanger 20 and is arranged for the flow therethrough of relatively warm air, whereby, in operation, the air is able to transfer heat to the exhaust gas in the heat exchanger 20.
Patent CA-2086163-A1 (CA)
Inventor: BELLER MATTHIAS
IPC: C07C25/28
Filed: 1992-12-23
Abstract: Abstract of the disclosure Process   for   preparing   vinyl-substituted   aromatic compounds from arylamines The present invention relates to a process for preparing vinyl-substituted aromatic compounds of the formula (I) Ar-CH=CH2, where Ar is a phenyl group that may bear 1 to 5 substituents, naphthyl or anthryl or a naphthyl radical bearing 1 to 7 substituents or an anthryl radical bearing 1 to 8 substituents,  or a mononuclear five-,  six- or seven-membered heterocyclic aromatic group which contains an oxygen atom and/or one or two nitrogen atoms in the ring and may bear 1 to 5 substituents, wherein an aryl-amine of the formula (II) Ar-NH2, where Ar has the afore-mentioned meaning, is reacted in an organic acid with an organic nitrite of the formula (III) R-ONO, where R is an alkyl group having 1 to 18 carbon atoms, a phenyl radical which may bear 1 to 3 alkyl groups each having 1 to 4 carbon atoms, or is an alkylcarbonyl group having 2 to 5 carbon atoms, and ethylene in an organic solvent in the presence of a palladium(0) of palladium(II) compound at temperatures of 0 to 35°C.