baber/WOPTO huggingface dataset:
Patent CA-2044536-A1 (CA)
Inventor: COURVAL GREGORY J
IPC: B29C47/00
Filed: 1991-06-13
Abstract: A solid state extrusion process extrudes a semicrystalling polymer billet through a die at the end of a pressure chamber. The temperature of the die is controlled so that a thin surface layer of the polymer profile being extruded is melted to form a thin, smooth surface layer on the profile of reduced orientation and increased toughness and which is substantially free of surface imperfections. F501\\A45039\\mc
Patent CA-2044686-A1 (CA)
Title: Class j time delay fuse
Inventor: DOUGLASS ROBERT S
IPC: H01H85/055
Filed: 1991-06-14
Abstract: A time-delay fuse (10) having parallel fusible element (22). The fuss element (22) is connected to a trigger mechanism (30) by solder or other meltable alloy. The trigger section (30) provides overload protection and the parallel fuse elements (22) provide short circuit protection resulting in a time-delay fuse which can be used in places where there are size restrictions.
Patent CA-2045966-A1 (CA)
Title: Oxygen-permeable polymeric membranes
Inventor: TSUCHIDA EISHUN
IPC: B01D71/28
Filed: 1991-06-28
Abstract: ABSTRACT OF THE DISCLOSURE     Oxygen-permeable polymeric membranes to be used in processes for producing oxygen- or nitrogen-enriched air for industrial, medical, and other applications are characterized by a complex comprising (a) a transition metal (II) ion, (b) a ligand comprising a meso-tris(.alpha.,.alpha.,.alpha.-o-substituted-amidophenyl)-mono-(.beta.-o-substituted amidophenyl)porphyrinato, said metal ion and porphyrin being of the formula (I)                         (I) in which M stands for a transition metal (II), R's are a substituent each, being acetyl, acryl, methacryl, or pival, and (c) an aromatic amine polymer.
Patent CA-2048293-A1 (CA)
Title: Pumped liquid oxygen air separation cycles
Inventor: KLEINBERG WILLIAM T
IPC: F25J3/00
Filed: 1991-08-01
Abstract: ABSTRACT The present invention relates to a process for producing medium to high pressure oxygen using a liquid oxygen pump, a booster compressor and a high pressure expansion turbine discharging into the high pressure column. In addition to producing oxygen, the process of the present invention can also produce high pressure nitrogen, low pressure nitrogen and/or argon, if desired.
Patent CA-2048535-A1 (CA)
Title: Security system for electronic printing systems
Inventor: ROURKE JOHN L
IPC: G03G21/04
Filed: 1991-08-07
Abstract: An electronic printing system with a security system for protecting the security of a user's files and programs through the intermediary of a user profile for each user administered to by a Security administrator at the site or from a remote site.
Patent CA-2049177-A1 (CA)
Title: Metal coordination complexes containing a halogenated ligand for hydrocarbon oxidations
Inventor: ELLIS PAUL E JR
IPC: B01J31/18
Filed: 1991-08-14
Abstract: ABSTRACT OF THE DISCLOSURE      Perhalogenated metal porphyrins and metal phthalocyanines useful as oxidation catalysts.
Patent CA-2050809-A1 (CA)
Title: Orthopaedic prosthesis with access recess in collar hardening orthopaedic
Inventor: LAZZERI MARK A
IPC: A61F2/46
Filed: 1991-09-06
Abstract: ABSTRACT      An orthopaedic prosthesis for implantation in a bone, the prosthesis including a collar extending outwardly therefrom.  The collar includes an access recess aligned above the bone cement when the stem is implanted with cement in bone, or aligned above the bone/implant interface when the stem is biologically affixed to the bone.  The access recess may be a dimple partially extending into the collar or it may be a through hole.   The dimple provides a preset drill start for a drill to be aligned therewith for drilling through the collar to form a hole therethrough.  In either case, whether starting with a dimple and then forming a hole or starting directly with a  through hole,  the hole may be progressively enlarged by use of sequentially larger drill sizes.  Tools, such as chisels or the like, are inserted through the hole in the collar to break up the bone cement beneath the collar if a cemented stem, or to help break  the bond between  the  stem and  the bone  if  a biologically affixed stem, to help loosen the prosthesis from the bone to facilitate removal of the stem.  A method of removing such a prosthesis is also disclosed.     LAZZHORI.PO
Patent CA-2053374-A1 (CA)
Title: Stress level measuring device
Inventor: TAKARA ATSUNORI
IPC: G06F19/00
Filed: 1991-10-11
Abstract: ABSTRACT     A stress level measuring instrument compares a base-line pulse value with other pulse values of the subject.  The instrument includes a device for calculating the mean pulse frequency, a device for determining the basic pulse frequency, a device for comparing the basic pulse frequency and the base-line pulse frequency, a device for calculating the stress level, and a display.
Patent CA-2056485-A1 (CA)
Title: Extensible ammunition conveyor
Inventor: BENDER-ZANONI JOSEPH F
IPC: F41A9/87
Filed: 1991-11-28
Abstract: Dkt. No. 52-AR-2302 ABSTRACT OF THE DISCLOSURE       An extensible ammunition conveyor includes telescoping conveyor sections mounting pairs of laterally spaced sprockets adjacent the conveyor section ends.  A pair of endless chains are trained about these sprockets in coextensive, transversely spaced relation with each chain having transversely lapping run portions extending along the telescoped end portions of the conveyor sections.  The sprockets of each pair are mounted in angularly relation to provide an effectively V-shaped open trough for transversely confining cylindrical ammunition rounds during conveyance motivated by driving the chains in unison.  Jointly braking and driving the chains in an appropriate direction produces powered extension and contraction of the conveyor.
Patent CA-2056633-A1 (CA)
Title: Radioactive iodine compound for labeling an antibody
Inventor: YAMAUCHI AKIRA
IPC: C07D207/452
Filed: 1991-11-29
Abstract: The radioactive iodine compound of this invention or an intermediate for preparing the compound is represented by the following formula (I):   (see formula I) wherein R is H or 125I.        The radioactive compound can readily intro-duce a radioactive isotope element such as 125I into an antibody molecule without damaging the activity of the antibody molecule. Therefore, the compound can prefera-bly be used to label an antibody of immunoradiometric assay, and allow a higher degree of measurement sensi-tivity.
Patent CA-2059188-A1 (CA)
Inventor: CASTER SANDRA A
IPC: B22C1/00
Filed: 1992-01-10
Abstract: INVESTMENT CASTING COMPOSITIONS AND PROCESSES      FOR THE MANUFACTURE AND USE THEREOF                    Abstract This invention relates to investment casting compositions comprising (i) a refractory material, e.g., a ceramic material, and (ii) a soluble core material comprising one or more block polymers characterized by an ABCBA structure.  This invention also relates to methods for investment casting and to the manufacture of molded articles.  The soluble core materials exhibit desirable breaking strength, dissolution rate and surface characteristics.
Patent CA-2060507-A1 (CA)
Inventor: ESMON CHARLES T
IPC: C07K16/40
Filed: 1990-06-06
Abstract: An anticoagulant composition containing an effective amount of factor Xa having the active serine site inactivated that functions rapidly and effectively in vivo to suppress coagulation. In a preferred embodiment Factor Xa, a serine esterase that forms a complex vith Factor Va, Ca + +, and phospholipid to catalyze prothrombin activation, is first inactivated with an active site inhibitor, such as dansyl-glu-gly-arg-chloromethyl ketone, to form inactivated factor Xa. In another embodiment, Factor Xa is expressed from a gene sequence wherein the portion encoding the active serine region is modified. The inactivated protein re-tains the ability to bind to endogenous factot Va in vivo, and has a half-life of approximately ten hours. Administration of inac-tive factor Xa to the blood of a patient without in the formation of inactive factor Xa-Va complexes in vivo, thereby inhibiting coagulation.
Patent CA-2061166-A1 (CA)
Title: Television apparatus having kinescope spot burn protection circuit with extended grid cut-off time constant
Inventor: GEORGE JOHN B
IPC: H04N3/20
Filed: 1992-02-13
Abstract: A source of switched supply voltage is applied to a potential divider and coupled to an output terminal via a capacitor. An output tap of the potential divider is coupled to the output terminal via the conduction path of a grounded base transistor. In operation the transistor (1) operates in an inverted mode for initially charging the capacitor, (2) operates in either a normal or an inverted mode for regulating a grid bias voltage at said output terminal for grid current flow of either direction relative to the output terminal and (3) operates in an isolation mode upon removal of the switched supply voltage whereby the capacitor applies a negative grid cut-off bias to the output terminal, said transistor in said isolation mode preventing discharge of the capacitor thereby providing a grid cut-off bias at said output terminal having an extended cut-off time constant due to the lack of any discharge path for the capacitor other than leakage.
Patent CA-2065599-A1 (CA)
Inventor: MARTIN GERARD
IPC: B01D53/50
Filed: 1992-04-08
Abstract: BREVET D'INVENTION INSTITUT FRANCAIS DU PETROLE E T BABCOCK ENTREPRISE PROCEDE ET DISPOSITIF DE TRAITEMENT DES EFFLUENTS GAZEUX ISSUS D'UNE UNITE DE CRAQUAGE CATALYTIQUE invention de Gérard MARTIN et Jean-Louis BOUJU La dispositif comprend au moins un premier étage de régénération du catalyseur utilisé pour l'opération de craquage catalytique. Selon l'invention, les effluents gazeux issus du régénérateur de catalyseur de craquage sont traitée dans une unité de récupération de chaleur (CR) comportant une chambre (15) de traitement du type à lit entraîné ; l'absorbant introduit dans ceite chambré (15) ayant une granulométrie "fine", comprise entre 0,1 et 100 .mu.m et pouvant être régénéré dans le dispositif en aval de l'unité de récupération de chaleur (CR). - Figure 1 à publier.
Patent CA-2065616-A1 (CA)
Title: One-step synthesis of methyl t-butyl ether from t-butanol using multi-metal-modified zeolite catalysts
Inventor: KNIFTON JOHN F
IPC: C07C41/09
Filed: 1992-04-08
Abstract: ONE-STEP SYNTHESIS OF METHYL t-BUTYL ETHER FROM t-BUTANOL USING MULTIMETAL-MODIFIED ZEOLITE CATALYSTS                        (D#81,095-F) ABSTRACT OF THE DISCLOSURE Disclosed is an improved process for preparing methyl t-butyl ether in one step which comprises reacting tertiary butanol and methanol in the presence of a catalyst comprising a zeolite modified with a metal selected from the group consisting of Groups IB, VB, VIB, VIIB or VIII of the Periodic Table at a temperature of about 20°C to 250°C and atmospheric pressure to about 1000 psig, wherein when the temperature is in the operating range above about 160°C, the product comprises a two-phase mix of an isobutylene-MTBE product-rich phase and a heavier aqueous methanol-rich phase.
Patent CA-2067934-A1 (CA)
Title: Fluid dispensing device for disinfection of the hands
Inventor: JESADANONT MONGKOL
IPC: B65D83/26
Filed: 1992-05-04
Abstract: [54]  FLUID DISPENSING DEVICE FOR DISINFECTION OF THE HANDS         [76] Inventor: Mr. Mongkol Jesadanont, 386/2 Soi Chalermsuk (Pahonyothin 28), Bangkok 10900, Thialand.     [57]                 ABSTRACT         The invention concerns the technical field of apparata for dispensing fluid over the hand palms for disinfec-tion purpose, and relates to a spraying device for the dermatological treatment of the hands. The technical problem to be solved was that of provid-ing a device which could spray fluids and readily irri-gate  in a fully auotmated  manner the entire surface of the hands.  The solution to the problem is provided by a device having a housing comprises of to chambers. In the first chamber(A), the power supplies, a control circuit, a counter circuit and a solid state relay are installed.  In the second chamber(B), a spray bottle is installed in an upside-down manner with an electro-magnet and an iron frame atop.  At the bottom of the device, an infrared sensor(1) is arranged which responds to the presence of hands located in its direct proximity underneath.   Upon activation, the fluid disin-fectant is sprayed evenly on the hands to be irrigated to ensure efficient dermatological treatment where using of any hand drier devices is unnecessary.  4 Claims, 4 Drawing Figures (FIG.1, FIG.2, FIG.3, AND FIG.7)
Patent CA-2070954-A1 (CA)
Inventor: SHIMA HIDEAKI
IPC: B60T1/06
Filed: 1992-06-10
Abstract: A deadman brake assembly incorporating a turnover spring in a link mechanism thereof to exert a spring force in a direction in which a seat supporting plate is kept in a state it enters when a driver sits on the driver's seat and to exert the spring force in another direction in which the seat supporting plate is lifted when the driver leaves the drive's seat, suppressing as much as possible the lifting force acting on the driver's seat when the driver sits thereon.
Patent CA-2071719-A1 (CA)
Title: Polyimides based on 9-aryl-9(perfluoroalkyl)-xanthene-2,3,6.7-dianhydride or 9,9'-bis(perfluoroalkyl)xanthene-2,3,6.7-dianhydride and benzidine derivatives
Inventor: AUMAN BRIAN C
IPC: H05K1/03
Filed: 1992-06-19
Abstract: TITLE     POLYIMIDES BASED ON 9-ARYL-9(PERFLUOROALKYL)-XANTHENE-2,3,6,7-DIANHYDRIDE OR 9,9'-BIS(PERFLUORO-ALKYL)XANTHENE-2,3,6,7-DIANHYDRIDE AND         BENZIDINE DERIVATIVES                   ABSTRACT OF THE DISCLOSURE    Polyimide compositions, films, and electronic devices using polylmides, based on 9-aryl-9(perfluoro-alkyl)xanthene-2,3,6,7-dianhydride or 9,9'-bis(per-fluoroalkyl)xanthene-2,3,6,7-dianhydride and benzidine derivatives.  These polyimides offer a combination of low linear coefficient of thermal expansion, low dielectric constant, and low water absorption.
Patent CA-2072219-A1 (CA)
Title: Double housing wall security locking apparatus for a computer
Inventor: MOORE DONALD E
IPC: E05B63/14
Filed: 1992-06-24
Abstract: DOUBLE HOUSING WALL SECURITY LOCKING      APPARATUS FOR A COMPUTER     ABSTRACT     An AC-powerable portable computer has  an interior sheet metal chassis portion within which computer operating components are operatively disposed.   The chassis has a removable metal access wall portion and is positioned within a plastic outer housing of the computer having a removable access wall that outwardly overlies the sheet metal access wall portion.   A key-operable security locking system incorporated in the computer has a pawl portion positioned within the sheet metal chassis. The pawl is selectively movable to a locking position in which it interlocks with each of the plastic and sheet metal access walls  and precludes their normal removal  from the computer. When the plastic and sheet metal access walls are locked to the computer  in  this  manner,  entry  into  the  chassis  interior requires that the plastic access wall be broken,  and that the metal access wall be forcibly bent away from the balance of the chassis  structure.    Accordingly,  the access walls  cannot be reinstalled  on the  computer without leaving readily visible evidence of the forcible entry into the computer.   The locking system thus provides a dual barrier to unauthorized physical entry into the chassis, and visually alerts the legitimate user of the computer that a break-in has been attempted or achieved.
Patent CA-2072268-A1 (CA)
Title: Personal care compositions containing polyalkylsiloxane copolymers
Inventor: THIMINEUR RAYMOND J
IPC: A61K8/89
Filed: 1992-06-25
Abstract: Docket No.: 60SI-1425 Abstract of the Disclosure A personal care composition is provided, comprising (A) an effective amount of a polyalkylsiloxane copolymer having a melting point of from about -40°C to about +40°C., and being selected from various specific polyalkyl-siloxane copolymer fluids or polyalkylsiloxane copolymer resins; and (B) a cosmetically acceptable carrier medium, wherein tha polyalkylsiloxane copolymer contains mixtures of linear lower alkyl side chains and linear higher alkyl side chains or mixtures of linear alkyl side chains and branched alkyl side chains. The polyalkylsiloxane copolymers used in the composition are fluids or soft waxes at body temperature and have improved application and payout and better substantivity and hair conditioning properties.
Patent CA-2072397-A1 (CA)
Title: Method and apparatus for agitating and sucking liquid specimen
Inventor: UENO HIROYUKI
IPC: G01N35/10
Filed: 1992-06-25
Abstract: ABSTRACT OF THE DISCLOSURE     When analyzing components in a liquid specimen such as urine by an automatic analyzer, it is necessary to agitate the specimen to be uniform beforehand prior to sampling of specimen.  In this case, suction of specimen and discharge of specimen are done at different positions in the specimen container (11).  For example, either one of specimen suction and specimen discharge is done in the lower part of the specimen, and the other is done in the upper part of the specimen.  Moreover, either one or both of specimen suction and specimen discharge may be done while moving the pipette (10).  Furthermore, by detecting the specimen liquid surface, the pipette (10) is moved according to the liquid surface detection information, while sucking the specimen and discharging the specimen.  As a result, the liquid specimen such as urine may be efficiently agitated and sucked, and even a large volume of specimen contained in a slender container may be agitated and sucked without bubbling.  Besides, the sampling apparatus comprises driving means (25) for varying the position of the pipette (10) when sucking the specimen and discharging the specimen, and air bubble detecting device (55) composed of a set of electrodes (50), (52) disposed in the midst of specimen suction line (L), and a detecting circuit (53) for detecting the difference of electric impedance (Ra) between these electrodes.  Hence, the liquid specimen such as urine may be efficiently agitated and sucked, and even a large volume of specimen contained in a slender container can be agitated and sucked without bubbling, and still more the presence or absence of specimen may be detected by detecting the air bubble, so that an apparatus for agitating and sucking liquid specimen of a high reliability is realized.
Patent CA-2072627-A1 (CA)
Title: Recombinant herpes simplex viruses vaccines and methods
Inventor: ROIZMAN BERNARD
IPC: A61K39/245
Filed: 1991-09-10
Abstract: A virus is disclosed which is rendered avirulent by prevention of expression of an active product of a gene which is designated as.gamma. 1 34.5, which maps in the inverted repeats flanking the long unique sequence of herpes simplex virus DNA, and which is not essential for viral growth in cell culture. Viruses from which the gene was deleted or which carried stop codons are totally avirulent on intracerebral inoculation of mice.
Patent CA-2075016-A1 (CA)
Title: Suspension polymerization of vinyl chloride
Inventor: KANEKO ICHIRO
IPC: C08F2/18
Filed: 1992-07-30
Abstract: ABSTRACT OF THE DISCLOSURE    An improvement is proposed for the suspension polymeriza-tion of vinyl chloride to give a resin powder having all increased bulk density and containing a decreased amount of fish eyes with out the troubles due to polymer scale deposition on the reactor walls. The improvement can be obtained by using as the suspend-ing agent, three kinds of water-soluble polymers in combination including: (a) a first partially saponified polyvinyl alcohol having an average degree of polymerization of at least 1500 and a degree of saponification in the range from 78 to 82%; (b) a hydroxypropy methyl cellulose, of which the degree of substitution with meth-oxy groups is in the range from 26 to 30% by weight and degree of substitution with hydroxypropoxy groups is in the range from 4 to 15% by weight, giving a 2% by weight, aqueous solution having a viscosity in the range from 5 to 100 centipoise at 20 °C; and (c) a second partially saponified polyvinyl alcohol having an average degree of polymerization of at least 1500 and a degree of saponifi-cation in the range from 88 to 96.5%, each in a specified amount.
Patent CA-2076244-A1 (CA)
Title: Oligomeric carbodiimides
Inventor: SCHERZER DIETRICH
IPC: C07C267/00
Filed: 1992-08-17
Abstract: Abstract of the Disclosure:   Oligomeric carbodiimides having an average degree of condensation of from 2 to 30, obtainable by oligocondensation of a)   from 40 to 100 mol % of 2,4'-diisocyanatodiphenyl-methane or of a 3,3',5,5'-tetra-C1-C4-alkyl-4,4'-diisocyanatodiphenylmethane and b)   from 0 to 60 mol % of a further bi- or polyfunction-al aromatic isocyanate and c)   if desired, complete or partial reaction of the remaining free isocyanate groups of the oligomers with an aliphatic,  araliphatic or cycloaliphatic alcohol or amine, are  used mainly  for  stabilizing polyester-containing polyurethanes against hydrolytic degradation.
Patent CA-2077359-A1 (CA)
Title: X-ray mask and semiconductor device manufacturing method using the same
Inventor: KORENAGA NOBUSHIGE
IPC: G03F1/22
Filed: 1992-09-02
Abstract: An X-ray mask has a mask frame in which the central portion thereof is removed to form a concentric hole, and four grooves are radially formed in the surface of junction with a silicon substrate.   On the other hand, a permeable film portion on which a pattern is provided is formed in the central portion of the silicon substrate, four through holes being formed in the perimeter of the permeable film portion in correspondence with the grooves.   During exposure of a wafer, when the side of the permeable film portion is moved toward the wafer and brought close to it, the gas present between the wafer and the X-ray mask passes through the through holes and the grooves and flows from one side of the X-ray mask on which the permeable film portion is provided to the other side of the X-ray mask.          Thus the pressure between the wafer and the X-ray mask is not increased.   This permits an increase in the speed of movement of the X-ray mask without breaking the permeable film portion and improvement of the productivity of an exposure device.
Patent CA-2080825-A1 (CA)
Title: Minoxidil for treating erectile impotence
Inventor: CAVALLINI GIORGIO
IPC: C07D239/46
Filed: 1991-04-15
Abstract: The use of minoxidil for the preparation of medicaments to be topically applied on the penis for the treatment of erectile impotence, is disclosed.
Patent CA-2083327-A1 (CA)
Title: Highly dense themoplastic molding compositions having improved impact strength
Inventor: ALLEN JOEL D
IPC: C08L67/00
Filed: 1992-11-19
Abstract: ABSTRACT OF THE DISCLOSURE Compositions  comprising  a  high  molecular  weight polyester resin or mixture of such resins, combined with an effective  amount  of  a  thermoplastic  elastomer,  with relatively high loadings of fillers selected from zinc oxide, barium sulfate, zirconium oxide, zirconium silicate, strontium sulfate or a mixture of any of such fillers, provide highly dense thermoplastic molded articles with improved impact strength and properties suitable to replace ceramics   and  filled  thermosets   in  many  important applications.
Patent CA-2083738-A1 (CA)
Inventor: CHENG PO-JEN
IPC: A63B49/02
Filed: 1992-11-25
Abstract: BADMINTON RACKET Abstract Of The Disclosure A badminton racket has a frame with a head portion, a throat portion, and a shaft portion which terminates in a handle portion.  The racket is lighter than prior badminton rackets, and the balance point or center of gravity of the racket is closer to the head end than the handle end.
Patent CA-2085054-A1 (CA)
Inventor: DUCHATEAU ERIC
IPC: B23K9/23
Filed: 1992-12-10
Abstract: ABR?G? DESCRIPTIF On purge dans une première phase l'enceinte de soudage avec un gaz inerte puis on introduit dans l'enceinte, dans une deuxième phase, le gaz inerte et un hydrure de silicium gazeux à une teneur inférieur à 10 000 ppm pour créer dans l'enceinte une atmosphère contrôlée à teneur résiduelle en oxygène inférieur à 10 ppm, et on effectue le soudage des pièces dans ladite atmosphère contrôlée. Application notamment au soudage de pièces en titane.