baber/WOPTO huggingface dataset:
Patent CA-2040841-A1 (CA)
Inventor: COCKRELL JOHN R JR
IPC: B08B7/00
Filed: 1991-04-19
Abstract: A food-safe composition for the pretreatment of a surface, preferably an oven or a broiler, which may be subjected to heat is liable to soiling by organic food deposits, especially baked-on food deposits. A food-safe, inorganic thickening agent which is substantially insoluble in an alkaline aqueous composition and which is present in an amount sufficient so that, during application to the surface, the composition is capable of forming a continuous coating adhered to all desired portions of the surface, is combined with (1) an alkaline, food-safe, water-soluble inorganic salt in an amount sufficient so that the composition is readily removable with water or an aqueous solution after the composition has been dried and soiled and (2) a high-boiling, organic component selected from the group consisting of (a)    ethers having more than seven carbon atoms and (b)    aliphatic esters having carboxylic acid-derived portions of more than seven carbon atoms, wherein said high-boiling, organic component is present in an amount sufficient so that the continuous coating remains continuous as the coating dries. The composition forms a film after drying, preferably by heating, which remains continuous over all portions of the surface, including areas which may already be soiled with food deposits. After the film accumulates additional food soils, thesoiled film can be readily removed by contact with water or an aqueous solution.
Patent CA-2044168-A1 (CA)
Title: Plaster foam with porous structure, a process for its preparation and its use
Inventor: MEINHARDT STEFAN
IPC: C04B28/14
Filed: 1990-03-13
Abstract: A B S T R A C T          The  invention  relates  to  a  plaster  foam  with  porous structure containing a polyurea, characterised in that it has a specific gravity in the range of from 0.1 to 0.4 g/cm3,  is  open  celled  and  contains,  as  polyurea,  the condensation product  of  diphenylmethane-4,4'-diisocyanate prepolymers and water, and to a process for its preparation. The invention also relates to the use of the plaster foam as sound insulating material and/or heat insulating material.
Patent CA-2044223-A1 (CA)
Title: Flexible sealing member for injection device
Inventor: RIS JACOBUS
IPC: A61M39/00
Filed: 1991-06-10
Abstract: ABSTRACT      The invention relates to a flexible sealing member for an injection device, comprising a neck, enclosing a channel which is open at one end and is closed at the other end by a diaphragm and having an annular flange at its closed end for a clamping connection of the sealing member in the injection device, wherein said diaphragm is at least substantially in the shape of a spherical cap, its convex outer surface being remote from the open end of the channel in said neck.      The invention further relates to an injection device comprising said sealing member.
Patent CA-2044555-A1 (CA)
Title: Umbrella button latch
Inventor: LIU FU-TIEN
IPC: A45B25/16
Filed: 1991-06-13
Abstract: UMBRELLA BUTTON LATCH          Abstract of the Disclosure A button latch system for an umbrella having a runner slideable on a centerpost, the runner having a first latch component.  A push button having a second latch component integral therewith is recipro-cably carried in a handle, the button being con-tinually spring loaded toward a latch position.  The runner's latch component latchingly engages the button's latch component when the runner slides down the centerpost into a closure position adjacent the button, thereby holding the umbrella's rib linkage in the collapsed position.
Patent CA-2045981-A1 (CA)
Title: Process for the preparation of compact, high-purity, homogeneous films and processes for their structuring
Inventor: RIEGLER HANS
IPC: B05D1/20
Filed: 1991-06-28
Abstract: Abstract of the disclosure Process  for the preparation of compact,  high-purity, homogeneous films and processes for their structuring Process  for the preparation of high-purity,  compact, monomolecular layers by the Langmuir-Blodgett method, in which an enhanced selective layer/substrate interaction is caused by electric fields and the segregation of the impurities at the end of the meniscus is selectively weakened or enhanced.  The degree of transfer of the contaminant concentration can be controlled by suitable pole reversal sequences of the electric field.
Patent CA-2046057-A1 (CA)
Title: Copy-invalidating document
Inventor: ORNDORFF JOSEPH E
IPC: G03G21/04
Filed: 1991-07-02
Abstract: COPY-INVALIDATING DOCUMENT ABSTRACT OF THE DISCLOSURE The text discloses for use in printing valuable documents an allover pattern of warning indicia which is merged by human sensory perception with its background but is distinguished and reproduced by xero-graphic copying as a result of the employment of two different screen values for the indicia and the back-ground which are respectively within and beyond the reproductive capability of the copier machine when used in the stated context.  Adjunctively, document valida-ting indicia are also printable on such documents in a screen value beyond the reproductive capability of xerographic copiers at the lighter settings at which the lesser screen value used for said warning indicia or background will reproduce.
Patent CA-2046196-A1 (CA)
Title: Tie exchange machine
Inventor: THEURER JOSEF
IPC: E01B29/10
Filed: 1991-07-04
Abstract: A machine for exchanging old ties of a railroad track for new ties comprises a machine frame supported by undercarriages for mobility along the track, a longitudinally, vertically and transversely displaceable tie exchange device connected to the machine frame for laterally pulling the old ties out of the track and laterally inserting the new ties in the track at a tie exchange position, and a ballast scarifying device for clearing ballast at the tie exchange position. According to the invention, the machine has a carrier frame for the ballast scarifying device, the carrier frame having opposite ends longitudinally spaced from each other, an undercarriage supports one of the carrier frame ends on the track adjacent the ballast scarifying device, and a pivot links the opposite carrier frame end to the machine frame.
Patent CA-2046280-A1 (CA)
Title: Programmable logic device
Inventor: YONEDA MASATO
IPC: H03K19/177
Filed: 1990-12-07
Abstract: ABSTRACT In selectors 210 - 213 two pull-up switching elements 40 - 403, 420 - 423, the elements being connected in series to each other in each selector, are additionally Provided instead of a don't care-setting two-input NAND gate, for connecting or disconnecting connection lines of outputs of positive logic switching elements 240 - 243 and those of negative logic switching elements 230 - 233 with or from a power supply line Vdd.  First memory cells M00 - M30 control on-off states of negative logic switching elements 230 - 233 and ones 400 -403 of pull-up switching elements, and second memory cells M01 - W31 control on-off states of positive logic switching elements 240 - 243 and -the others 421 - 423 of the pull-up switching elements.  Thus, use of a prior art two-input NAND gate is eliminated and hence the number of transistors is reduced.
Patent CA-2046787-A1 (CA)
Title: Strain gage transducer system with guard circuit
Inventor: LOCKERY HARRY E
IPC: G01G3/14
Filed: 1991-07-11
Abstract: A strain gage transducer system, such as a load cell based weighing system, is protected against moisture related errors by an electrically conducting guard circuit for terminals and other parts subject to wet or humid conditions. The guard circuit is connected to an electrical potential close to a potential of signal terminals in a strain gage bridge, for instance to a center tap in a power supply for the strain gage bridge.
Patent CA-2047138-A1 (CA)
Title: Antitumor compositions and methods of treatment
Inventor: CROWELL THOMAS A
IPC: C07C311/55
Filed: 1991-07-16
Abstract: Abstract This invention provides certain sulfonamide compounds, formulations, and a method for treating susceptible neoplasms in mammals using certain sulfonamide compounds.
Patent CA-2049345-A1 (CA)
Title: Selective active overt comfort system
Inventor: DOTY GERALD A
IPC: B60R22/44
Filed: 1990-04-11
Abstract: A tensionless apparatus for a seat belt and/or a shoulder harness retractor assembly is provided which requires activation of a manual overt actuator (62) and subsequent manual belt protraction to engage the tension relieving mechanism (40, 58) from a released state. The apparatus includes a lock control disc (50) having a slot (100) for realizing a comfort or ''memory'' function which allows a limited motion of the user below a predetermined distance and subsequent return to the tensionless position. Belt protraction beyond the predetermined position again shifts the tension relieving mechanism (40, 58) into the released state. The tension relieving mechanism (40, 58) may also be released by a door actuator (64) which rotates an unlocking disc (38) when the vehicle door is opened.
Patent CA-2049882-A1 (CA)
Title: Process for iodinating or brominating the alpha-methylenic carbon of a secondary amide
Inventor: KING ANTHONY O
IPC: A61K31/395
Filed: 1991-08-26
Abstract: A novel, facile, and specific process for .alpha.-iodinating or .alpha.-brominating the .alpha.-methylenic carbon of an azasteroid, comprises reacting the amide with trialkylsilyl-X (R3Si-X), where X is Br, I, or Cl, and R is methyl, ethyl, or n-propyl, in the presence of I2 or Br2. The .alpha.-iodo- or .alpha.-bromo-amide is useful for making the .alpha.,.beta.-unsaturated amide through dehydrohalogenation.
Patent CA-2049925-A1 (CA)
Title: Sugar composition comprising soluble fibre
Inventor: DESFORGES MALCOLM
IPC: A23L27/30
Filed: 1990-03-29
Abstract: A sugar composition consisting of from 90 to 99 % by weight sugar and from 10 to 1 % by weight of a non-gelling water-soluble dietary fibre. The sugar composition has substantially the properties of normal sugar, but contains a significant amount of dietary fibre, with consequent health benefits. A novel type of soluble fibre derived from sugar beet and a method for preparing it are disclosed. The composition may take the form of a concentrate or syrup, or may be in particulate form. The particulate form may be used as a direct sugar substitute. The fibre used may be a novel fibre obtainable by treating sugar beet with water free from chemical reagents at ambient pressure and at an elevated temperature, for example from 95-98·C.
Patent CA-2049997-A1 (CA)
Title: Control device for fluid containers of flexible material
Inventor: CLAREN JAN
IPC: A61F5/445
Filed: 1990-03-27
Abstract: A control device for fluid containers (16), of a flexible material, particularly for controlling the level of stomi bags, comprises an elastic resistance element (10) haying an electric resistance which changes by stretching of the element, which is adapted to be fixedly connected with the container wall of the ends, thereof to extend over an extensible portion (17) of the container wall. Means (12) are provided for connecting an alarm means (19) reacting a change in the resistance of the resistance element.
Patent CA-2051383-A1 (CA)
Title: Ammunition units
Inventor: BRATTSTROM LEIF
IPC: F42B12/16
Filed: 1990-04-04
Abstract: (57)Abstract The disclosure relates to an ammunition unit in the form of a projectile, shell, missile or the like of the type which includes a shaped hollow charge, a reinforce, solid tip (3,6) for mechanical penetration of reactive armour and an ignition system so dis-posed that initiation of the shaped hollow charge portion is not obtained until after the reinforced tip has forced aside the reactive armour.  The ignition system then includes a pyrotechnic or electronic ignition time-lag device as a complement or alternative to a mechanical time-lag device disposed in the forward portion of the ammunition unit.
Patent CA-2051622-A1 (CA)
Title: Vehicle steering systems
Inventor: WRIGHT PETER G
IPC: B62D119/00
Filed: 1990-04-26
Abstract: The invention provides a steering system for a vehicle wherein the steering element (11) can control the steering of the vehicle without being mechanically coupled to the front wheels of the vehicle. The invention provides a system wherein control signal generating means are responsive to the application of force to the steering element (11) and means of steering at least one of the vehicle wheels in response to the control signals generated by the generating means (13). The control system further includes reaction means which are controlled to provide a force on the steering wheel (11) to provide a variable artificial steering feel to a driver steering the vehicle.
Patent CA-2053366-A1 (CA)
Title: Azido-substituted fatty acid analog enzyme substrates
Inventor: ADAMS STEVEN P
IPC: A61K31/41
Filed: 1991-10-11
Abstract: 07-24(683)A             AZIDO-SUBSTITUTED FATTY ACID ANALOG          ENZYME SUBSTRATES Abstract of the Disclosure Azido-substituted fatty acid analogs which are useful in the fatty acid acylation of peptides and proteins and as antiviral agents are disclosed having the following chemical structure:      Z-(CH2)xCOOR wherein Z = azido, tetrazolyl or triazolyl R = H or C1-C8 alkyl, and x = 8-12.
Patent CA-2054644-A1 (CA)
Title: Superconducting device having an extremely short superconducting channel formed of extremely thin oxide superconductor film and method for manufacturing same
Inventor: NAKAMURA TAKAO
IPC: H01L39/14
Filed: 1991-10-31
Abstract: A superconducting device comprises a superconducting channel constituted in an oxide superconductor thin film deposited on a deposition surface of a substrate. A source electrode and a drain electrode are formed on the oxide superconductor thin film at opposite ends of the superconducting channel, so that a superconducting current can flow through the superconducting channel between the superconductor source electrode and the superconductor drain electrode. A gate electrode is formed through a gate insulator layer on the superconducting channel so as to control the superconducting current flowing through the superconducting channel. The gate electrode is in the form of a thin film and stands upright to the gate insulator layer.
Patent CA-2055246-A1 (CA)
Title: Coupe metal
Inventor: LEVESQUE CLAUDE
IPC: B23D47/02
Filed: 1991-07-05
Abstract: L'invention décrit une scie ronde coupe métal.          Comprend une base supportée par quatre pattes au centre de la base un trou est perforé dans lequel un cylindre est descendu et soudé.  Sur le dessus avant de la base est boulonnée une table sur laquelle sont inscrits les degrés angles. Au centre de la base est posée une table tournante à laquelle est soudé un arbre qui est supporté par des coussinets fixés à chaque bout du cylindre de la base. L'assemblage est ajusté et maintenu à l'aide d'un écrou visé sur l'arbre de la table tournante.  Au bout de l'arbre est boulonné un secteur d'engrenage jumelé à une vis sans fin qui est accouplée à un moteur électrique qui fait tourner la table à angle désire.          A la table tournante est soudé un récupérateur de brin de sciure.  Sur le récupérateur de brin de sciure est fixée avec une penture une table qui supporte un moteur de 5 c.v. qui fait tourner l'arbre de la scie qui est supporté par des coussinets fixés à la table basculante. Une poignée permet de descendre la scie sur la pièce à couper qui est sécurisée dans la serre de retenue.          La serre de retenue est fabriquée de trois pièces, une pièce fixe boulonnée sur la base, une deuxième pièce coulissante qui sécurise la pièce à couper, la troisième pièce une tige boulon est inséré dans la pièce coulissante pour enlever le jeu entre la pièce et la serre.  Un ressort maintient la scie en position élevée.
Patent CA-2055590-A1 (CA)
Title: Chemiluminescent double-triggered 1,2-dioxetanes
Inventor: URDEA MICHAEL S
IPC: C12Q1/42
Filed: 1990-05-25
Abstract: A stable 1,2-dioxetane of the formula (I), where R1, R2 and R3 are passive organic groups that allow the dioxetane to decompose and produce light when Z and Y are removed, with the proviso that R1 and R2 may be joined to form a cyclic moiety, Z is a first protecting group that can be removed by a first deprotecting process, Y is a second protecting group that can be removed by a second deprotecting process, and X is an organic group which upon removal of Z and Y renders the dioxetane susceptible to said decomposition, with the proviso that X may be joined to R3 to form a cyclic moiety. These di-oxetanes are useful for generating chemiluminescent output in immunoassays and nucleic acid hybridization assays.
Patent CA-2059250-A1 (CA)
Inventor: BERRUN-CASTANON JORGE DOMINGO
IPC: C21B13/00
Filed: 1992-01-13
Abstract: PATENT CMS FILE NO. 120194-3900 (124607) ABSTRACT OF THE INVENTION         At least a percentage of iron ore pellets and the like for use in a direct reduction process for the production of sponge iron are coated with a thin porous coating of Portland cement to counteract tendency to aggregate.  This is accomplished by method and apparatus that mixes water and cement powder at the point of delivery in a manner such that no pumps are subjected to a wet cement slurry.  The slurry is mixed and maintained in suspension by air agitation in a bin and then flowed through a bin discharge pipe and sprayed therefrom onto a passing layer of pellets in a controlled manner by regulated air injection into the discharge pipe.     194-HYL3:3900-2.APL
Patent CA-2061784-A1 (CA)
Inventor: IDE RUSSEL D
IPC: E21B17/20
Filed: 1992-02-25
Abstract: ABSTRACT           A downhole drilling apparatus which includes a drive train having a downhole motor device and a coupling for permitting bending of the drive shaft to accommodate directional drilling.  The coupling includes two distinct portions.  The first portion transmits torque only and the second portion transmits thrust only.  Thus, the cou-pling transmits torque and thrust through different por-tions.  This makes it possible to optimize the coupling design to allow bending while still being able to trans-mit the loads experienced downhole.  The downhole motor may be a progressive cavity device, a turbine-type down-hole motor or another type of downhole motor such as an electric motor.
Patent CA-2061950-A1 (CA)
Title: Preparation of cracking catalysts, and cracking process using them
Inventor: ABSIL ROBERT P L
IPC: C10G11/05
Filed: 1992-02-27
Abstract: Catalysts for use in cracking, comprising a zeolite and a matrix, are prepared by a procedure which includes phosphate treatment of the zeolite, optionally of matrix constituents also. The zeolite may be of large, intermediate or small pore size. The preferred procedure involves mixing the zeolite with aqueous phosphate solution, combining this mixture with matrix precursor to form a slurry, and spray-drying the slurry. Catalysts so prepared are of enhanced attrition resistance, and in certain embodiments also provide improved selectivity and/or product quality in use. They are well suited for cracking heavy feeds such as resid.
Patent CA-2063240-A1 (CA)
Inventor: OAKES JOHN
IPC: C11D7/54
Filed: 1992-03-17
Abstract: C7266 Abstract Cationic peroxycarboxylic acids having the general formula (I) (I) wherein R1, R2 and R3 are each independently a C1 - C7 alkyl group or C1 - C7 substituted alkyl group, n is an integer of from 2 to 10 and X is a counter anion. The peroxycarboxylic acids may be used in bleaching and detergent compositions. **************************************************************
Patent CA-2063430-A1 (CA)
Inventor: RIEPER WOLFGANG
IPC: C09D11/00
Filed: 1990-06-16
Abstract: The production which is customary in practice of monoazo compounds based on dichloro- and trichloroanilines or disazo compounds of the chlorinated biphenyl series by conventional coupling methods meets with difficulties in that the resulting pigments are contaminated by traces of polychlorinated biphenyls.      According to the invention, it has now been found that by addition of water-soluble olefins of the type (see above formula) (R=H, C1-C4-alk or C1-C4-Oalk; X = -COOR1, -CONHR2,or -NR3COR4, wherein R1 is hydrogen or optionally substituted C1-C4-alkyl, R2 is hydrogen or optionally substituted C1-C4-alkyl, R3 is hydrogen or C1-C4-alkyl and R4 is C1-C4-alkyl) in the azo coupling, the side reactions which form PCBs can be decidedly suppressed during synthesis of the pigments.
Patent CA-2064371-A1 (CA)
Inventor: MARCHESE TONY
IPC: E02D29/14
Filed: 1992-03-27
Abstract: ABSTRACT OF THE DISCLOSURE          A locking manhole cover and key combination of the present invention is in the form of a manhole cover having a lock on its undersurface and a vent hole through the manhole cover.  The lock comprises a plurality of locking bars spring biased to a locking position, a rotatable actuator accessible through the vent hole for moving the locking bars to an unlocking position with the key being fittable through the vent hole to operate the actuator.  The key itself includes a first shaft portion turnable in the vent hole for rotating the actuator and pulling the locking bars to the unlocking position and a second shaft portion which when located in the vent hole prevents rotation of the actuator and holds the spring biased locking bars away from the locking position.
Patent CA-2068168-A1 (CA)
Title: Process for antimicrobial treatment of polyurethane
Inventor: LAUFER JAY K
IPC: A61L31/06
Filed: 1992-05-11
Abstract: ABSTRACT OF THE DISCLOSURE     PROCESS FOR ANTIMICROBIAL TREATMENT OF POLYURETHANE             The present invention is directed to a method for impregnating a preformed polyurethane medical device with an antimicrobial quaternary ammonium compound which comprises the steps of (A) contacting said device with a solution containing said compound in a chlorinated or fluorinated hydrocarbon solvent thereby impregnating the device,  and  (B)  removing  the  solvent,  wherein  the antimicrobial quaternary ammonium compound is represented by Formula (I) (I)   including  optically  active  isomeric  forms  thereof, wherein (a) R1, R2, R3, and R4 are independently selected from the group consisting of straight- or branched-chain, saturated or unsaturated alkyl groups having from 1 to 20 carbon atoms, or (b) R1, R2, and R3 are as defined above and R4 is selected from the group consisting of aryl alkyl, chloroaryl alkyl,  aryloxy  alkyl,  and  trialkyl ammonium alkyl, or (c) R1 and R2 are as defined above and R3  and R4 are  independently selected  from the group consisting of aryl alkyl,  monoalkylaryloxy alkyleneoxy alkyl, and dialkylaryloxy alkyleneoxy alkyl, or (d) R1 is as defined above and R2, R3, R4, and the nitrogen atom are members of a heterocyclic ring, and X- is a halogen