baber/WOPTO huggingface dataset:
Patent CA-2084906-A1 (CA)
Title: Process for isolating levoglucosan from pyrolysis liquids
Inventor: HOWARD JOHN
IPC: C13K13/00
Filed: 1993-02-05
Abstract: Abstract An improved process is described for isolating levoglucosan from pyrolysis liquids obtained by the pyrolysis of lignocellulosic material, such as wood.  The pyrolysis liquid is first mixed with a base to raise the pH to above 8, preferably 10-12, to convert lignin, phenolic and other weakly acidic components to insoluble salts.  The remaining base-treated liquid portion is then removed from the insoluble material and this separated, base-treated liquid portion is then mixed with an acid to reduce the pH thereof to the range 6-7.  This remaining acid-treated liquid portion is separated from any insoluble material formed during the acid treatment and water is then removed from the separated liquid portion to obtain an anhydrous material containing levoglucosan.  This anhydrous material is then contacted with a solvent selected from acetone and ethanol to selectively extract the levoglucosan in pure form.
Patent CA-2085554-A1 (CA)
Inventor: MATTESKY HENRY
IPC: D06F83/00
Filed: 1992-12-16
Abstract: There is provided an easily tensionable ironing board cover shaped to fit a flat ironing board. This cover has an upper ironing surface segment which extends over the body and the neck portion of said board, if desired, a pad segment (14) located below said ironing surface segment and attached to it, which has substantially the same dimensions as the ironing surface segment, a rear pocket, arranged on the rear end of said ironing segment and located below the pad segment which can receive the rear end of said board, a front pocket (16), having an upper and a lower surface, arranged on the front end of the ironing segment and located below said pad segment which can to receive the front end of the neck of said board, and has a frontal nose edge (18) and a rearward edge (19), longitudinal flaps (34,36) arranged on the longitudinal edges of the ironing segment between the pockets which around said longitudinal edges of the board, and tensioning means (20,30,32) for adjustably connecting the nose edge of said front pocket to its the rear edge so as to enable the separation between the nose edge and the rear edge to be reduced. This reduction causes said flaps to envelop said board more closely. Preferably, the initial distance between the nose edge of said front pocket and the portion of the rear edge thereof closest to it is between about 10% and about 25% of the length of the longitudinal axis of said cover, suitably, between about 15% and about 20% of the length. <IMAGE>
Patent CA-2087424-A1 (CA)
Title: Rock bolt system and method of bolting
Inventor: WINDSOR CHRISTOPHER REGINALD
IPC: E21D21/00
Filed: 1991-07-16
Abstract: Novel rock bolting systems and methods of rock bolting are provided herein.  One embodiment of such rock bolting system includes an inner part which is disposed within an outer part. The inner part includes a fluid-expansible elongated tube having an internal, closed-ended, fluid-receiving chamber having a fluid inlet through which said expansible tube can be pressurized permanently to expand radially. The outer part comprises an elongated tube having a longitudinal slot, the longitudinal slot extending at least part way along the length of the tube of the outer part.
Patent CA-2092690-A1 (CA)
Title: Process for repairing or restoring in situ, a section of a pipe or chamber for receiving or containing pressurized fluid and device for carrying out said process
Inventor: LABICHE JEAN-PIERRE
IPC: B29C63/10
Filed: 1991-09-13
Abstract: The process consists of the following steps: a) sealing, if need be, any defect in the section with the aid of a sealing material; b) fixing onto the pipe (2) the end of a flexible profile (3) made of longitudinal fibres coated in a thermoplastic matrix, the elastic limit of said fibres being greater than that of the pipe (2) or chamber material: c) rotating means (7) about pipe (2) axially displacing said means along the latter in order to supply said profile (9); d) tensionally winding the profile (9) in successive spirals around the pipe (2) at and near said section, on either side of the latter by heating in order to melt substantially the entire matrix mass, and then by cooling the profile upon application; (e) the number of profile layers superposed at the same location and the angles and winding tension of said profile (9) being sufficient to restore to the pipe section or chamber (2) its predefined mechanical features. Applicable especially in repairing or restoring in-situ, a pipe or chamber section for receiving pressurized fluid.
Patent CA-2093775-A1 (CA)
Title: Method for deshingling interstacked webs to deliver single sheets with a gap therebetween
Inventor: JACQUES ROGER A
IPC: B65H35/10
Filed: 1993-04-08
Abstract: METHOD FOR DESHINGLING INTERSTACKED WEBS TO DELIVER SINGLE SHEETS WITH A GAP THEREBETWEEN            ABSTRACT The method includes providing 2-up interstacked webs staggered relative to one another in the direction of web travel.  The webs are passed through a burster/detacher having a first roll pair and a second roll pair spaced from the first roll pair in the direction of web travel. The second roll pair is operated at a speed greater than twice the speed of the first roll pair so that upon alternately bursting the webs at location between the roll pairs, the burst sheets are delivered alternately from the webs along a delivery path spaced from the burster/detacher in the direction of web travel, with a substantially constant gap between the sheets.  The gap is determined for the formula:          wherein the speed ratio is the ratio of the speed of the second roll pair to the speed of the first roll pair and the Depth is the length of the sheets in the direction of travel.
Patent CA-2095632-A1 (CA)
Inventor: DE RO MICHEL
IPC: B61F3/16
Filed: 1991-10-25
Abstract: A railway axle with or-ientable wheels (8) is compen-sated in width when passing on a railway track curve when the side beams (5, 5') arranged under a frame (2) with dropped floor (3) are coupled to each other by means of at least one connecting rod de-vice (11) comprised of a bro-ken rod (13) hinged at the breaking point to a lever-relay (15, 25) carried by the axle so as to entrain the breaking point in an angular displace-ment of an arc of a circle in a direction opposite to that of the side beams (5, 5') in order to reduce the breaking handle of the broken rod (13) and to compensate for the width loss of the axle when taking curves.
Patent CA-2096108-A1 (CA)
Title: Spinal rod coupler
Inventor: KOROTKO JOSEPH R
IPC: A61B17/58
Filed: 1993-05-12
Abstract: The coupler of this invention includes a two-piece coupler for a spinal rod including a yoke and a coupler body which may be positioned to clamp onto the spinal rod at an angle other than perpendicular relative to the rod. The yoke and body permit the spinal rod to be positioned plus or minus 15 degrees out of true perpendicular relative to the rod without sacrificing clamping strength. This advantage is particularly useful when the couplers are connected to a rod-to-rod interconnecting device to permit the rods to be less than parallel relative to one another.      The accommodation of less than parallel rods or the non-perpendicular connection of device to the spinal rods reduces the non-functional exact positioning of the spinal rods during surgery as is required by current couplers. Further, the coupler can be placed from a superior position requiring minimal space without the need for screws to provide fixation to the rod.
Patent CA-2097638-A1 (CA)
Title: Thermal type recording apparatus
Inventor: NAGANO FUMIKAZU
IPC: B41J2/36
Filed: 1993-06-03
Abstract: A thermal type recording apparatus performs printing at multi-tone density by changing an energizing time of a thermal head.  The apparatus has a controller for controlling the energizing time and a interrupting circuit. The controller controls the energizing time to match to a value corresponding to a tone density for printing. The interrupting circuit puts an interrupt period of energizing for the energizing time if the energizing time is equal to or more than a predetermined time.
Patent CA-2097999-A1 (CA)
Inventor: HUTCHISSON JAMES T
IPC: H05B44/00
Filed: 1993-06-08
Abstract: A lamp assembly (10) for use as a vehicle marker lamp or a vehicle clearance lamp is disclosed. A lamp assembly includes a multifaceted prismatic diffuser (12) to which a number of LEDs (14) are fitted. The diffuser has an outwardly directed por-tion (20), a center portion (22), and an inwardly directed portion (24). The outwardly directed portion and inwardly directed portion are both formed with angularly offset facets (26-38). The LEDs are fitted into openings (40) that are formed in the facets (32, 34) of the inwardly directed portion of the diffuser. When the LEDs are ener-gized, the light emitted thereby is initially diffused throughout all of the diffuser. It is then emitted from the facets forming the outer portion of the diffuser such that it can be seen over a wide viewing angle.
Patent CA-2098468-A1 (CA)
Inventor: THEOBALD DAVID J
IPC: H01M10/44
Filed: 1993-06-15
Abstract: The battery charging process of the present invention uses three charging rates. The initial charge rate of C charges the battery (101) until the battery's temperature reaches a certain level (102). The charger then changes to a trickle charge rate of C/8 to finish charging the battery (103). Next, the charger reduces the charging rate to C/40 to maintain the battery's charge (105). The process then monitors the battery's voltage. If the voltage signal has a slope that indicates the battery is being used by an attached device (106), the charging rate is increased to the trickle charge rate to simultaneously power the device and charge the battery.
Patent CA-2099310-A1 (CA)
Title: Composition to be fed to fish and shellfish and method for preventing pollution of water for raising fish and shellfish
Inventor: MORITA YASUSHI
IPC: A23K1/18
Filed: 1993-06-28
Abstract: ABSTRACT OF THE INVENTION    A composition to be fed to fish and shellfish, which comprises a polymer compound capable of liquid-gel phase transition in the water for raising fish and shellfish, by change of ionic strength or change of pH, and a method for suppressing pollution of the water for raising fish and shellfish by using the composition of the invention.  The composition of the present invention permits effective administration of feed, nutrition furnisher, and agent for treatment and prevention of diseases while suppressing water pollution.
Patent CA-2102768-A1 (CA)
Inventor: MARTIN PHILIP W
IPC: G01V3/28
Filed: 1993-11-09
Abstract: Well logging method and apparatus which provides a magnetic saturation signal to at least a transmitter and one receiver mounted in a well casing of a well so as to open "windows" in the casing to allow the impedances of the formations outside the casing to be fogged and recorded and also to detect faults in the casing.
Patent CA-2105956-A1 (CA)
Inventor: BROWN NEIL
IPC: C01F7/144
Filed: 1993-09-10
Abstract: A process for the production of an aluminum hydroxide with rounded grain surfaces. An alkaline solution of a specific composition derived from the Bayer process is inoculated with an aluminum hydroxide with a specific grain distribution, followed by a step of precipitating aluminum hydroxide in particulate form. The aluminum hydroxide obtained according to the new process is especially suitable for the flameproof finishing of polyesters.
Patent CA-2107249-A1 (CA)
Title: Electronic device for a game of chance
Inventor: REIBEL JEAN-MICHEL
IPC: G06Q50/00
Filed: 1993-09-29
Abstract: A portable housing (11) comprises memory means capable of storing at least one reference datum, and comparison means capable of comparing the said reference datum with a game datum entered by the player via a communication interface, one of these two data being a randomly generated value. A winnings indication depending at least on the result of the said comparison is stored in the memory means and housing-encryption means are capable, in response to a received predetermined payment request indication (PRI), of establishing a first encrypted winnings value on the basis of the said winnings indication. A station (12), external to the housing (11), comprises an input/output system-interface (17) capable of cooperating with the interface of the housing, and system-processing means (16) capable, in the presence of a payment request emanating from the player, of reading the said winnings indication contained in the memory means of the housing. System-encryption means (19), the counterpart of the housing-encryption means, establish a second encrypted winnings value on the basis of the said read winnings indication. Actual payment of the winnings to the player is conditional upon the agreement of the two encrypted winnings values. <IMAGE>
Patent CA-2107852-A1 (CA)
Inventor: METCALF GERALD L
IPC: A61B1/00
Filed: 1993-10-06
Abstract: A trocar for placement in the lumen of a cannula to facilitate inserting the cannula through tissue is disclosed. The trocar has an improved trigger/obturator assembly wherein the trigger comprises tissue cam parts each having (a) planar outer surfaces, and (b) an arcuate end portion at the distal end of the trigger including a distal edge surface that is arcuate about an axis normal to the outer surfaces.      The arcuate end portions intersect at edge surfaces which are obscured by the arcuate end portions.
Patent CA-2107930-A1 (CA)
Title: Flow Distribution Plates
Inventor: HODAN JOHN A
IPC: D01D5/34
Filed: 1993-10-07
Abstract: Flow distribution plate sets form an element of a spin pack which has a spinneret for spinning synthetic fibers from one or more liquid polymer streams. The plate sets include at least one patterned plate and for each patterned plate, at least one boundary plate. The patterned plate has at least one flow distribution pattern stenciled therein by cutting through. The boundary plate is stacked sealingly adjacent to the pattern plate and has cut-through portions to form at least one flow-through channel to allow fluid flow through the patterned plate and solid portions where the patterned plate is cut through to accomplish fluid flow in a direction transverse to the flow in the flow-through channel. The liquid polymer streams flow as discrete streams through the flow distribution plate sets to the spinneret.
Patent CA-2108080-A1 (CA)
Title: Pulse Generator
Inventor: INATOMI HIROSHI
IPC: H03K17/80
Filed: 1993-10-08
Abstract: The  pulse  generator  has  a  switch  circuit  for switching a supply of a first current through a circuit. A first condenser is serially connected to the switch circuit and  charged  by  the  first  current.  A  voltage raising transformer, used to  obtain a voltage output by the first current, has a primary winding serially connected to the first condenser, and a secondary winding. A magnetic switch transformer, used to switch current flow, has a primary winding serially connected to the secondary winding of the voltage raising transformer, and a secondary winding. A second condenser is connected to the secondary winding of the magnetic switch transformer and charged by an output therefrom. A discharge circuit is connected to the second condenser to generate a pulse discharge when a charged voltage of the second condenser is applied thereto by switching the magnetic switch transformer.
Patent CA-2108393-A1 (CA)
Inventor: HORIKAWA YOICHI
IPC: B65G47/90
Filed: 1993-10-14
Abstract: In a tray conveying apparatus, a supply path and a discharge path are situated on the upper and lower sides, respectively, of the apparatus. The stocking, waiting, switching and collecting stations are ar-ranged one under the other in order on the base-end side of the supply path. The waiting station is situated on the supply path, while the switching sta-tion is situated on the discharge path. The working station is situated on the front-end side of the supp-ly path, and the shunting station is situated under the working station on the discharge path. Each of the stocking, waiting, switching, working and shunting stations is so constructed as to support and release the tray. The collecting station is vertically movable by the separating lifter, and the receiving plate un-der the shunting station is vertically movable by the transferring lifter.
Patent CA-2108960-A1 (CA)
Title: Heat curable primerless silicone hardcoat compositions, and thermoplastic composites
Inventor: PATEL GAUTAM A
IPC: C08J7/046
Filed: 1993-10-21
Abstract: HEAT CURABLE PRIMERLESS SILICONE  HARDCOAT COMPOSITIONS AND  THERMOPLASTIC COMPOSITES                  Abstract of the Disclosure A primerless silicone hardcoat composition is provided which utilizes polycaprolactone polyol as an adhesion promoter in combination with silicone hardcoat ingredients.
Patent CA-2110509-A1 (CA)
Title: Composition having destabilizing and atrophying action for hair
Inventor: MAUGER CHARLES
IPC: A61K8/92
Filed: 1993-03-31
Abstract: Composition having a hair destabilizing and atrophying action for the definitive removal of air from the human body, said composition being applied directly to the skin before depilation. The composition is prepared like a gel comprised of essential oils mixed within a vegetable oil, with camphore, alcohol and a vegetable soothing agent, incorporated into a contact gel. The composition, in order to obtain a better result, is dynamized by means of an apparatus having three adjustable thermal generators which power supply heating elements whose shape is adapted to the anatomy of the areas to be depilated. The composition according to the invention is particularly intended to the definitive depilation of the human body effected in beauty-parlours.
Patent CA-2114316-A1 (CA)
Inventor: CALHOUN CLYDE D
IPC: C09J7/02
Filed: 1992-06-23
Abstract: A flexible carrier web has a planar surface bearing thereon a predetermined pattern consisting of at least one flat land area and at least one recess having a base and walls, and a layer of silicone on the land and/or the base of the recess while the walls of tho recess are substantially free from the silicone. When that flexible carrier web is used as the backing of a pressure-sensitive adhesive layer, release values can be controlled simply by selecting the size and/or number of recesses.
Patent CA-2114399-A1 (CA)
Inventor: THEURER JOSEF
IPC: E01B27/17
Filed: 1994-01-26
Abstract: A tamping machine (1) is provided with a machine frame (2) and an auxiliary frame (11) which is displaceable relative to the said machine frame in the longitudinal direction of the machine by means of a longitudinal displacement drive (15) and which is connected to a tamping- and track lifting-lining unit (16,18), and which, like the machine frame (2), may be supported on a track (4) by an on-track undercarriage (14).      The auxiliary frame (11) is connected to an auxiliary lifting device (20) which is designed for gripping a rail of a switch section, the said rail being situated laterally adjacent to the tamping machine (1).
Patent CA-2114466-A1 (CA)
Inventor: CHANDRAN RAMA
IPC: C08F299/00
Filed: 1994-01-28
Abstract: This  invention  is  a  hot  melt  pressure  sensitive  adhesive  formed  by copolymerizing acrylic, or a combination of acrylic and vinyl, monomers with the functional monomer, 1-(1-isocyanato-1-methyl ethyl)-3-(1-methyl ethenyl)benzene m-TMI, to give a saturated polymer with pendant vinyl groups that are crosslinked by UV or EB radiation.
Patent CA-2115675-A1 (CA)
Title: Method for lowering blood lipid levels
Inventor: VAN DEN BERGHE GEORGES H
IPC: A61K31/7056
Filed: 1992-08-14
Abstract: Method for treating an animal having an elevated serum lipid level. The method includes the steps of identifying an animal having such an elevated serum lipid level, and introducing into that animal a lipid-lowering amount of an AMP mimetic which stimulates AMP-activated protein kinase.
Patent CA-2115802-A1 (CA)
Title: Anticlumping composition and anticlumping process for fertilizers
Inventor: SCHAPIRA JOSEPH
IPC: C05G3/30
Filed: 1994-02-16
Abstract: Anticlumping composition intended for fertilizers comprising an aqueous solution of at least one surfactive agent and at least one high molecular weight polymer soluble in the said aqueous solution, wherein the surfactive agent is consisting of a phosphoric ester acid salt. No figure.
Patent CA-2117282-A1 (CA)
Title: Non-peptidic surrogates of the arg-gly-asp sequence and pharmaceutical compositions comprosing them
Inventor: RONEN ALON
IPC: A61P7/02
Filed: 1992-11-19
Abstract: Non-peptidic RXD analogues are provided that inhibit biological cellular and molecular interactions which are dependent on RXD  recognition, wherein X is one of the amino acid residues G, E, Y, A  or F. In particular, RGD surrogates are provided having no sequence of .alpha.-natural amino acids and comprising a guanidino and a carboxyl terminal groups spaced by a chain of 11 atoms, at least 5 of which are carbon atoms. The compounds inhibit cell adhesion and are useful for the treatment of several pathological disorders, e.g., thrombosis, autoimmune diseases, metastasis, allergy, host-graft reactions and inhibition of scar tissue formation.
Patent CA-2118466-A1 (CA)
Title: Surfactant for polyisocyanurate foams made with alternative blowing agents
Inventor: LONDRIGAN MICHAEL E
IPC: C08J9/14
Filed: 1994-10-19
Abstract: ABSTRACT    A  closed  cell,  rigid  polyisocyanurate  foam which comprises the reaction product of a polyisocyanate and a polyol in the presence of (a) a hydrogen-containing blowing agent or a mixture of a hydrogen-containing blowing agent and at least one co-blowing agent,  and  (b)  a siloxane oxyalkylene copolymer (i) having a molecular weight below about 7500 and an oxyalkylene portion containing greater than 60 weight percent of oxyethylene units and (ii) being prepared by the reaction of an organohydrogensiloxane with a polyoxyalkylene in an essentially solventless system or in the presence of a high boiling point polar polyol.
Patent CA-2118576-A1 (CA)
Title: Thermoplastic compositions and process for preparing the same
Inventor: YU THOMAS C
IPC: C08L23/28
Filed: 1992-09-17
Abstract: A non-vulcanized thermoplastic composition comprising a polyamide and an elastomeric halogen-containing copolymer of a C4 to C7 isomonoolefin and a para-alkylstyrene is prepared by blending the polyamide and elastomeric copolymer in the presence of specified metal compounds in an amount insufficient for vulcanizing the composition. Optionally, the re-sulting composition may be subjected to vulcanization.
Patent CA-2119588-A1 (CA)
Inventor: COLOMBIER CHRISTIAN
IPC: C04B35/626
Filed: 1994-03-22
Abstract: Le procédé par pyrolyse-flash consiste à envoyer des gouttes grossières de précurseur de céramique dans une enceinte chauffée renfermant un gaz à une température et pendant un laps de temps suffisants pour obtenir une poudre. Le diamètre des gouttes formées est supérieur à 10 .mu.m et l'enceinte est portée à une température supérieure à 500.degree.C. La poudre de nitrure et/ou de carbure métallique ou métalloïdique obtenue sous forme amorphe ou cristallisée comporte des particules sphériques de diamètre moyen supérieur à 0,2 .mu.m dont 90% d'entre-elles ont une taille inférieure à 0,4 .mu.m. Cette poudre est avantageusement utilisée dans les domaines de l'automobile et de l'aéronautique pour la fabrication d'articles en céramique présentant de bonnes propriétés thermomécaniques.