baber/WOPTO huggingface dataset:
Patent CA-2098053-A1 (CA)
Title: Process for the treatment of aspartame
Inventor: SLANGEN HUBERTUS J M
IPC: A23L27/30
Filed: 1993-06-09
Abstract: A B S T R A C T          The invention relates to a process for the treatment of dried aspartame characterised in that, in a first separation step, particles smaller than 50 µm are removed, with the aid of a stream of air, from aspartame having a particle size distribution with which more than 5 wt.% of the aspartame has a particle size of less than 20 µm and more than 10 wt.% of the aspartame has a particle size of more than 400 µm, and that in a second separation step the product resulting from the first step is subjected to a screening step using a screen that separates at a value between 150 and 250 µm, after which the fraction of the smaller particles thus obtained is recovered as a first product and the fraction of the larger particles is recovered as a second product or is optionally subjected to a further separation step using a screen that separates at a value between 400 and 1000 µm, the fraction of smaller particles thus obtained being recovered as the second product.        Aspartame having a particle size distribution with which 97% of the particles is larger than 20 µm and 97% of the particles is smaller than 250 µm appears to present exceptionally good properties as regards processability and dissolution rate.
Patent CA-2101011-A1 (CA)
Title: Polyvinylamine derivatives having hydrophilic centers, processes for their preparation and the use of the compounds as a medicament, active compound carrier and foodstuff auxiliary
Inventor: AHLERS MICHAEL
IPC: A23L33/00
Filed: 1993-07-21
Abstract: Abstract of the Disclosure:      Polyvinylamine derivatives having hydrophilic centers, processes  for their preparation and the use of the compounds as a medicament, active compound carrier and foodstuff auxiliary Polyvinylamine derivatives containing hydrophilic cen-ters, of the formula I        (I) in which R1, R2, R3, X, w, x, y and z have the meanings given, and a process for their preparation, and the use of  these  compounds  as  medicaments,  active  compound carriers and foodstuff auxiliaries are described. Highly pure polyvinylamines having the recurring unit of the formula Ia               (Ia), the preparation of which is likewise described, are used in particular as starting substances for the preparation.
Patent CA-2103252-A1 (CA)
Title: Fiber optic catheter with twistable tip
Inventor: HAMMERSMARK DAN J
IPC: A61B18/24
Filed: 1993-03-17
Abstract: The present invention is a catheter (10) with a twistable tip.  The catheter having a flexible wall for use in complex twisting anatomy contains a torque wire (50) or a torquable guide wire lumen (20). The torque wire or torquable guide wire lumen extends through the length of the catheter and is attached to the catheter at or near the distal end thereof. The distal face of the catheter is angled to self align the catheter with an obstruction upon insertion. The proximal end of the torque wire protrudes from the proximal end of the catheter and is attached to a turn limiter (130). Rotation of the turn limiter imparts a torque to the torque wire or torquable guide wire lumen which is transmitted through the catheter to the distal end of the catheter where the applied torque twists the distal tip to manually align the tip with an obstruction.
Patent CA-2103522-A1 (CA)
Title: Yeast Host Strains with Defects in N-Glycosylation
Inventor: LEHLE LUDWIG
IPC: C12N15/81
Filed: 1993-08-06
Abstract: Saccharomyces mutants with defects in N-glycosylation which are obtainable by [<3>H]-mannose suicide selection, introduction of one or more selective markers, selection of those strains which, after transformation with the plasmid YEpL/GOD, on cultivation under standard conditions secrete 10 mg/l GOD or more into the culture medium, are allelic to the ngd mutations contained in Saccharomyces cerevisiae DSM 7042, DSM 7338, DSM 7160 and/or 7340, and express proteins with a uniform carbohydrate structure.
Patent CA-2111943-A1 (CA)
Inventor: CHEN FRANK S
IPC: C05G3/00
Filed: 1993-12-20
Abstract: The  present  invention  provides  for  controlled release chemical  compositions  having  improved controlled   release   properties   wherein   core substrate  particles  comprising  a  water  soluble chemical compound, such as a fertilizer or oil well chemical, which are surrounded and encapsulated by a  controlled  release  coating  which  is  slowly permeable  to  water,  such  as  a  thin  layer  of polymeric material, are further overcoated with one or more coating layers comprising a finely divided filler preferably talc,  dispersed in a metal or ammonium lignosulfonate binder.  The outer coating serves  to  protect  the  underlying,  thin  film, controlled release coating from abrasion and impact damage  occasioned  by  packaging,  blending and dispensing equipment, thereby preserving the water permeating properties designed into such coating. The outer protective coating is itself permeable to water, allowing the layer beneath it to control the rate of water contact with the substrate core and subsequent release of the core substance into its environment.
Patent CA-2119767-A1 (CA)
Title: Concentrated fabric-softening compositions
Inventor: DEMEYERE HUGO JEAN MARIE
IPC: C11D3/33
Filed: 1992-09-21
Abstract: Concentrated fabric-softening compositions are disclosed, containing at least 10 % by weight of a di-long chain imidazoline ester, preferably ditallowimidazoline ester, and having a pH below 4, characterized in that they contain from 0.01 % to 1 % of a chelating agent for heavy metal ions, to cure perfume off-note development under storage.
Patent CA-2120121-A1 (CA)
Title: Vent cap with electrolyte drain and explosion attenuation capabilities
Inventor: THUERK DAVID A
IPC: H01M2/12
Filed: 1994-03-28
Abstract: ABSTRACT OF THE DISCLOSURE    The explosion attenuating vent cap for storage batteries according to the present invention features an electrolyte drain and baffle design adapted for maximizing return to the battery of any liquid which may enter the vent from vibration, tilting, overheating, overcharge and the like.  The vent barrel(s) (50) include a step (150) to assist in closure of the fill openings, and baffles (80, 82, 84, 104 106, 108) within the vent prevent accumulation of electrolyte within the cap.  The arrangement of the entrance (140) to the gas escape passage (leading through an explosion attenuation device (120) such as a disc of microporous polymer) is located on the center lines of the barrel and at the highest possible location within the vent to minimize the intrusion of electrolyte into the attenuation material. This location of the entrance prevents accumulation of electrolyte at that location. Preferably, the vent cap is of the ganged variety, i.e. useful for simultaneously capping three or more fill openings of the battery.
Patent CA-2121678-A1 (CA)
Title: Vitamin d amide derivatives
Inventor: HESSE ROBERT H
IPC: A61P3/00
Filed: 1992-11-06
Abstract: Novel 1.alpha.-hydroxy vitamin D derivatives and their 20-epi analogues, comprising compounds of formula (I) and corresponding 5,6-trans isomers, where Y represents an alkylene or alkenylene group containing up to 4 carbon atoms; R1 and R2 independently represent a hydrogen atom or a lower alkyl or cycloalkyl group or R1R2N-represents a heterocyclic group; and R3 and R4 independently represent a hydrogen atom or an O-protecting group.  Active compounds, in which R3 and R4 are hydrogen atoms or metabolically labile O-protecting groups exhibit potent cell modulating effect but minimal effect on calcium metabolism.
Patent CA-2123335-A1 (CA)
Title: Elastomeric copolymers of ethylene with alpha-olefins and process for their preparation
Inventor: GALIMBERTI MAURIZIO
IPC: C08F4/42
Filed: 1994-05-11
Abstract: ABSTRACT OF THE DISCLOSURE    Amorphous  copolymers  of  ethylene  with  .alpha.-olefins  and optionally minor amounts of polyenes are disclosed, having the following characteristics: (A)  the % by mole content of .alpha.-olefin in the copolymer (%.alpha.) and the ratio between the molar amount of .alpha.-olefin diads and the molar content of .alpha.-olefin in the copolymer (.alpha..alpha./.alpha.) satisfy the following relationship:                    (%.alpha.) - 250 (.alpha..alpha./.alpha.) ? 10 (B)  less than 2% of the CH2 groups in the polymeric chain are in sequences (CH2)n, wherein n is an even number.     These copolymers are obtainable by operating in the pres-ence  of particular metallocene-based  catalysts  having two fluorenyl groups joined together through a bridging group.
Patent CA-2124974-A1 (CA)
Inventor: RAMAKRISHNAN KAJAMALAI G
IPC: G06F13/00
Filed: 1994-06-02
Abstract: The invention discloses a method and apparatus for assigning link "distance" metrics that result in near optimal routing for a network formed of nodes (routers) and links, where each link has a capacity associated with it, and where source-destination flows are given. The routing optimality is measured with respect to some objective function (e.g., average network delay).
Patent CA-2128153-A1 (CA)
Title: Process for the preparation of an indole derivative
Inventor: HOPF MARTIN
IPC: C07D209/42
Filed: 1994-07-15
Abstract: Abstract The invention relates to a new process for the preparation of 3-(3-carboxypropyl)-5-methoxyindole-2-carboxylic acid (I), characterized in that 6-carboethoxy-6-p-methoxyphenylhydrazonohexanoic acid (II) is cyclized using a carboxylic acid which contains 1-3 carbon atoms, the resulting mixture comprising I, the two I monoethyl esters and I diethyl ester is treated with a strong inorganic base, and the resulting salt is converted into the free acid I by treatment with a strong acid.
Patent CA-2130230-A1 (CA)
Title: Sugar-modified interferon
Inventor: TAKENAGA MITSUKO
IPC: A61K38/00
Filed: 1994-08-16
Abstract: ABSTRACT OF THE DISCLOSURE       Sugar-modified interferon, modified with at least one galactose residue, which is a binding reaction product between lactose lactone and interferon is disclosed.  The sugar-modified interferon, which can be obtained through simple chemical manipulation on IFN, has improved accumulating properties in the liver and enhanced physiological activities as compared with unmodified IFN.
Patent CA-2131347-A1 (CA)
Inventor: CRAIG W SCOTT
IPC: B63H11/04
Filed: 1994-09-01
Abstract: A system for mounting a jet propulsion unit to a watercraft having a hull with a mounting opening, the jet propulsion unit including a power head and a jet pump housing secured to the power head, the mounting system including a power transmission portion disposed on the jet pump housing, and a mounting apparatus associated with the transmission portion for mounting the propulsion unit directly to the hull.
Patent CA-2132332-A1 (CA)
Title: Removal of Surface Contaminants by Irradiation
Inventor: ENGELSBERG AUDREY C
IPC: B23K26/14
Filed: 1993-03-24
Abstract: An apparatus for removing surface contaminants from a planar or irregularly shaped surface of a substrate (12, 70) by high-energy irradiation isprovided. The invention enables removal of surface contaminants without alteringthe underlying molecular crystal structure of the substrate (12, 70). The source of high-energy irradiation include a pulsed or continuous wave laser (14) or high-energy lamp (59).
Patent CA-2132437-A1 (CA)
Title: Motorcycle towing device
Inventor: BARTHOLOMEW DONALD DEKLE
IPC: B60P3/06
Filed: 1992-03-19
Abstract: The invention relates to a trailer (10) for towing vehicles having a single front wheel, such as a motorcycle, behind another vehicle. The trailer (10) includes a heavy duty frame (12) having concave shaped wheel carriages which engage the front wheel tire (26) of the vehicle to be towed. The configuration of the trailer (10) permits loading of the vehicle's front tire (26) by rotating the trailer (10) about the trailer wheels axis and rolling the vehicle's front tire into the concave wheel carriage (20). The tire (26) is then secured to the carriage (20) and the trail (10) is rotated to engage the towing vehicle (32). This rotation lifts thevehicle front tire over and in front of the trailer wheels axle axis thereby suspensing the front wheel of the vehicle or vehicles being towed off the ground, while the towed vehicle(s) rear tire remains on the ground.
Patent CA-2133409-A1 (CA)
Title: Method for in vitro proliferation of dendritic cell precursors and their use to produce immunogens
Inventor: STEINMAN RALPH M
IPC: A61K35/12
Filed: 1993-04-01
Abstract: 2133409 9320185 PCTABS00027 A method for producing proliferating cultures of dendritic cell precursors is provided. Also provided is a method for producing mature dendritic cells in culture from the proliferating dendritic cell precursors. The cultures of mature dendritic cells provide an effective means of producing novel T cell dependent antigens comprised of dendritic cell modified antigens or dendritic cells pulsed with antigen, including particulates, which antigen is processed and expressed on the antigen-activated dendritic cell. The novel antigens of the invention may be used as immunogens for vaccines or for the treatment of disease. These antigens may also be used to treat autoimmune diseases such as juvenile diabetes and multiple sclerosis.
Patent CA-2135242-A1 (CA)
Title: Safety harness or belt with fiber means to indicate shock loading
Inventor: BELL MICHAEL
IPC: A62B35/00
Filed: 1994-11-07
Abstract: SAFETY HARNESS OR BELT WITH FIBER  MEANS TO INDICATE SHOCK LOADING                 ABSTRACT OF THE DISCLOSURE         A harness or belt to be worn by a person connected to some elevated anchor point, e.g., a rope grab on a safety line, to prevent the person from a fall.  The device comprises at least one web or strap of a fabric which is subject to a shock load when the device has been used to arrest the fall of the person and plural shock load indicating strands or fibers located on the web or strap.  The web or strap is a generally flat member having an exterior surface and is formed of plural interlaced strands of a first stretchable, yet strong material,  e.g., nylon or polyester.    The  shock  load  indicating  strands  are  of  a contrasting color to the strands forming the strap or web and are visible from the exterior surface of the web.  The shock load indicating strands are of a lesser stretchability than the strands of the web or strap.  Accordingly, upon the shock loading of the harness or belt the shock load indicating strands rupture and fray out of the exterior surface of the web, whereupon the frayed ends are readily visible.  This appearance indicates that the device has been used to arrest a fall and should be discarded or refurbished.
Patent CA-2138004-A1 (CA)
Title: Controlling premature curing of vulcanizable halogen-containing polymers
Inventor: CLASS JAY B
IPC: C08F28/00
Filed: 1994-12-13
Abstract: A process of reducing the effects of moisture during storage prior to vulcanization of a vulcanizable halogen-containing polymer composition containing water, comprising blending before storage, into said vulcanizable composition, a thioester derivative of 2,5-dimercapto-1,3,4-thiadiazole crosslinking agent and polyethylene glycol, whereby the scorch time of the vulcanizable compound is not significantly affected by the water content of said composition.  The invention is also directed to a vulcanizable halogen containing material and a dry pourable composition, both comprising the crosslinking agent and polyethylene glycol, as well as a process of reworking such a halogen-containing vulcanizable composition.
Patent CA-2139432-A1 (CA)
Inventor: MANG HARALD
IPC: A61M16/00
Filed: 1993-07-01
Abstract: The invention relates to a double-barrelled tube with a respiratory (11) and an inhaling (12) passage for the mechanically controllable respiration of a patient in which the inhaling passage connected to a respiratory gas source is fitted at the distal outlet with a nozzle directed towards the distal outlet aperture of respiratory passage. The respiratory passage is connected at the proximal outlet with an exhalation valve (60) which can be opened and closed by means of an electrical control device. The electrical control device is connected to an electrocardiograph or a blood pressure measuring instrument so that respiration may be effected synchronously with the pulse rate using the respiratory gas fed to the inhalation passage with a retrograde flow of respiratory gas. Inhalation may take place in either the systole or the diastole.
Patent CA-2141793-A1 (CA)
Title: Stretching exercise machine
Inventor: HOLT LAURENCE E
IPC: A61H1/02
Filed: 1993-08-05
Abstract: An exercise machine to stretch one or more muscle groups or joints of a body part, has at least one engagement member (30) pivotally mounted on the frame (10) to engage a body part associated with the muscle group or joint that is to be stretched and to position such part at a desired location. The engagement member (30) is pivotally displaceable through a predetermined range of movement with respect to the frame (10). Movement in a first direction is effective to apply a stretching force to the associated muscle group. Movement of the engagement means (30) in the first direction is done through a linear actuator (53). An angle indicator (63) provides a readout of the position of said engagement member (30) in the range. The machine provides a way to monitor the degree of stretching of the body part by measuring the angular position of the body part in the movable member. This allows the user to monitor his progress and safely repeat the exercise at a later date. It also measures the force exerted by the user when performing the isometric contraction. This also allows the user to exercise safely and to monitor his progress.
Patent CA-2142344-A1 (CA)
Title: A method of decontamination of food
Inventor: MIELNIK THADDEUS
IPC: A23L3/3409
Filed: 1993-08-05
Abstract: A method and system of decontaminating the surface of food products including seeds, grains, nuts, spices, fruits and dried and dehydrated food with hydrogen peroxide vapor is provided.
Patent CA-2142914-A1 (CA)
Inventor: TANKOVITZ OSKAR
IPC: C08L9/02
Filed: 1992-08-21
Abstract: A latex film product such as a prophylactic condom, a surgical glove, a medical examination glove, and the like, having improved chemical resistance, such product comprising a shaped film consisting essentially of a cured mixture of a) a copolymer of acrylonitrile and butadiene or isoprene, and b) a high styrene content styrene-butadiene copolymer.
Patent CA-2143507-A1 (CA)
Inventor: MALM DOUGLAS N
IPC: B29C48/12
Filed: 1995-02-27
Abstract: A method of forming an elongated trim strip product includes extruding a first strip of thermoplastic material from a die having an outlet with an area at least substantially as great as the desired cross-sectional area of the strip product in planes perpendicular to the direction of extrusion. Immediately subsequent to the step of extruding and while the extruded strip is still in a plastic state, it is passed longitudinally between cooperating forming rolls to shape the cross section of the extruded strip to the desired shape and cross section of the strip product. Further, while passing between the rolls a logo or lettering is formed on the strip. While the extruded strip is passing between the cooperating forming rolls, a backing strip of foil or thin metal is directed between the rolls in alignment with the extruded strip to bond the backing strip to the extruded strip. In a second embodiment, one or more cables of high strength flexible material, such as metal wire, are joined to or embedded in the extruded strip during the extrusion process to function as a pulling mechanism for moving the extruded strip through a cooling bath without stretching or deforming the extruded strip. After cooling, the cables can be severed from the strip if desired.
Patent CA-2144468-A1 (CA)
Inventor: FALGEN HELENA
IPC: C01B15/037
Filed: 1995-03-13
Abstract: The invention relates to method of producing chlorine dioxide comprising the steps of: providing a reactor with an aqueous acidic reaction medium containing chlorate ions; reacting said chlorate ions with hydrogen peroxide as a reducing agent in such proportions that chlorine dioxide is formed; withdrawing the chlorine dioxide from the reaction medium; wherein the content of tin in the reaction medium at steady state is maintained below 20 mg Sn per kg reaction medium.
Patent CA-2148475-A1 (CA)
Title: Integrated boiler/fuel cell system
Inventor: DUNBAR WILLIAM R
IPC: H01M8/04
Filed: 1994-09-02
Abstract: 2148475 9506842 PCTABS00036 A fuel cell (223) and a boiler (234) are coupled in such a manner that the water used to capture excess heat generated by the fuel cell (223) is used for boiler feedwater heating (216). In one embodiment, steam generated by the boiler (234) is used in an operation that converts the steam to condensate, and the condensate is returned to the fuel cell (223) for use as a heat sink for the thermal energy generated within the fuel cell (223) unit.
Patent CA-2151748-A1 (CA)
Title: Closure for cables
Inventor: FREMGEN DIETER
IPC: H01R13/595
Filed: 1994-01-06
Abstract: A closure for a cable joint having a cable inlet having a cable gripper that can provide strain relief to a cable within the inlet, the cable gripper being adjustable to grip cables of different diameters in such a way that the position of the centre line of a gripped cable is substantially independent of cable diameter.
Patent CA-2152640-A1 (CA)
Inventor: WOLF BARBARA ANN
IPC: A61K8/00
Filed: 1995-06-26
Abstract: A cosmetically acceptable composition with anti-acne or keratolytic activity comprising: 0.01 to 25% by weight of a keratolytic compound complexed to a carrier molecule,75-99.95% by weight of a diluent.
Patent CA-2153737-A1 (CA)
Title: Rebuildable spin-on filters
Inventor: ROLL MARK A
IPC: B01D29/21
Filed: 1995-07-12
Abstract: A spin-on type filter assembly for lubricating oil includes a cast alumi-num housing which contains a replaceable annular filter element. The filter element is resiliently retained in the housing by compressing a gasket thereon with a threaded end cap which closes one end of the housing. The housing includes a unitary front end wall with a plurality of inlet ports surrounding an axially positioned outlet port. In order to provide a secure coupling with the engine, an externally and internally threaded steel stud is threadably mounted in the outlet port for threadably coupling with the engine.
Patent CA-2154115-A1 (CA)
Title: Slot machine
Inventor: INOUE HARUO
IPC: A63F3/00
Filed: 1995-07-18
Abstract: A slot machine is provided with a plurality of motors each arranged for rotating a respective one of a plurality of reels. A first drive device starts driving the motors in response to a start signal, and stops driving the motors in accordance with stop signals sequentially generated for respective ones of the motors. A second drive device is provided for driving a part of the motors when it is determined that there is at least an effective winning symbol combination, to rotate those ones of the reels which stop with symbols of the obtained winning symbol combination, again in a special fashion to make an appeal to the winner.
Patent CA-2154168-A1 (CA)
Title: Solid substrate coated with aminopolysaccharide
Inventor: GOUDA IBRAHIM
IPC: C08J7/056
Filed: 1994-01-14
Abstract: A solid substrate, the surface of which has been modified to introduce reactive groups of a hydrophilic nature thereon, the modification being provided by a primer comprising a first polysaccharide containing as reactive groups amino and hydroxyl groups; and a process for the preparation of such solid substrate.