baber/WOPTO huggingface dataset:
Patent CA-2084049-A1 (CA)
Title: Composition and process for decontamination of radioactive materials
Inventor: DUNN MICHAEL J
IPC: G21F9/00
Filed: 1992-11-27
Abstract: A process for decontaminating radioactive material comprises the step of contacting the material with a dissolving composition to dissolve the contaminants in the material, said composition comprising a dilute solution of about 0.05 molar ethylene diamine tetraacetic acid, about 0.1 molar carbonate, about 10 grams per liter hydrogen peroxide and an effective amount of sodium hydroxide to adjust the pH of the composition to a pH from about 9 to about 11.  Also included are the steps of separating the dissolving composition containing the dissolved contaminants from the contacted material and recovering dissolved contaminants from the dissolving composition that has been separated from the material. A composition for dissolving radioactive contaminants in a material, comprising a dilute solution having a basic pH and effective amounts of a chelating agent and a carbonate sufficient to dissolve radioactive contaminants is also provided.
Patent CA-2088432-A1 (CA)
Title: Pre-filled plastic syringes and containers and method of terminal sterlization thereof
Inventor: LIEBERT RICHARD T
IPC: A61M5/315
Filed: 1993-01-29
Abstract: ABSTRACT Disclosed is a pre-filled plastic syringe containing a liquid product for terminal sterilization comprising: a syringe barrel equipped with a one-way valve and a slidable plunger to equalize pressure differentials; a filter engaging the one way valve to prevent backward migration of viruses and bacteria; an end cap covering the open end of the barrel to maintain sterility; and an end cap restraining device to prevent plunger blow-out.
Patent CA-2089623-A1 (CA)
Title: Porous low density shot-like degradable absorbent materials and manufacturing process therefor
Inventor: ELLIS DOUGLAS E
IPC: B01J20/28
Filed: 1993-02-16
Abstract: POROUS LOW DENSITY SHOT-LIKE DEGRADABLE ABSORBENT MATERIALS AND MANUFACTURING PROCESS THEREFOR          ABSTRACT    Degradable particulate absorbent materials and processes for manufacture, wherein the absorbent materials have: i) in most forms of the invention, on the order of not more than 10% by weight inorganic solids or "fillers", and in all cases less than 30% inorganic solids by weight; ii) an open, porous, shot-like fiber structure with low bulk density on the order of not more than 30 lbs./ft.3 and, preferably, in the range of 15 to 18 lbs./ft.3; iii) shape and size gradations typical of clay based floor sweeps and animal litters; iv) an absorptive capacity by weight up to four times greater than that of clay products and by volume up to twice that of products disclosed in Phillips U.S. Pat. Nos. 4,931,139 and 5,091,245; v) high retention rates for products absorbed; and vi), rapid absorption rates when compared with clay products and extruded tubular pellets; yet which: vii) are highly flammable both before and after absorption of liquid materials which are often non-flammable and, therefore, which have high heat values for recycling as an energy source; viii) produce little ash when incinerated, thereby minimizing disposal costs and related problems; ix) are biodegradable in an aerobic atmosphere given suitable moisture and temperature; x) permit the addition of additives to rapidly biodegrade absorbent particulates and a wide range of hydrocarbon-based oils and chemicals; and xi), permit addition of process chemicals rendering the otherwise hydrophilic absorbent materials hydrophobic--e.g., oleophitic--and/or forming barriers/filters for toxic and/or noxious odors.
Patent CA-2090448-A1 (CA)
Inventor: HENRIKSSON KJELL
IPC: A61G5/02
Filed: 1993-02-26
Abstract: The hand brake control for a walking trolley or zimmer frame comprises a bracket (2) for attaching to the trolley handle (32) by means of a clamp (3) and a hand lever-operating device (4). If the lever is pulled towards the handle it rotates about the pivot (9), to draw on a Bowden cable (7). There is an additional lever element (6), which normally moves in unison with the hand lever (4). To hold the brake on without hand pressure, the hand lever is pushed, from the release position, further anti-clockwise away from the handle. The lever then rotates about a pivot (10) and turns the element clockwise about another pivot (9), thus drawing back point (8) and applying and holding the brake.
Patent CA-2090960-A1 (CA)
Title: Obstetric bonnet for assisting childbirth
Inventor: ELLIOTT BRYON D
IPC: A61B17/44
Filed: 1991-08-29
Abstract: Flexible, collapsible, dome or cylinder-shaped bonnet (10) that provides a substantially airtight fit to a fetal head and utilizes frictional and internally-created vacuum forces for assisting childbirth. The bonnet is manually inserted and rolled over the cranium of the fetus, stopping short of the eyes and the ears.  Friction and internally created vacuum forces are created when the bonnet is pulled, thus securing the bonnet to the fetus's head and allowing orientation and delivery. The device is comprised of a dome or cylinder-shaped body made of a collapsible elastic material, an optional raised "lip" (11) located on the exterior of the open end, and may have a mechanical extension (15) attached to the closed end. System embodiments allow for the attachment to the exterior of the closed end grommets and/or mechanical extensions that will irreversibly stretch, lengthen, and expose warning alerts in the event that excessive longitudinal force is applied. The bonnet is a significant improvement because it allows a firmer grip on the fetus's head with less danger of damage to either the mother or the fetus. Thus traction and rotational forces may be safely applied to a fetus without the need to use forceps or hard suction cups.
Patent CA-2091564-A1 (CA)
Title: Biostable polyurethane products
Inventor: SZYCHER MICHAEL
IPC: A61L27/18
Filed: 1991-09-12
Abstract: Polyurethane products having long-term biostability in combination with a low modulus of elasticity and a high ultimate tensile strength and other desireable mechanical properties which are particularly useful as leads for implantable pacemakers, as vascular grafts, as mammary prostheses, and as other products which are intended to be placed within the body of a mammal for extended periods with no substantial degradation of the product. The polyurethanes are prepared from the reaction of an organic diisocyanate, preferably an aliphatic or cycloaliphatic diisocyanate with polycarbonate glycol chained extended with diol, diamine or a mixture of diamine and alkanolamine.
Patent CA-2091995-A1 (CA)
Title: Germanium compounds and their use as biocompatible oil
Inventor: THOMAS CHRISTIAN
IPC: C07F7/30
Filed: 1992-07-17
Abstract: Linear or cyclic germanium compounds are provided for use as biocompatible oil in human or animal biology and have formula (I), wherein n = 1-50, and radicals R are the same or different and are selected from hydrocarbyl radicals.
Patent CA-2092807-A1 (CA)
Inventor: CHAN CHI-MING
IPC: H01C1/14
Filed: 1991-09-26
Abstract: An electrical device (1) in which a conductive terminal (3, 9) is physically and electrically attached to a laminar resistive element (19) which has a first periphery by means of a laminar conductive element (21, 23). The three layers are positioned in such a way that the periphery of the conductive element does not extend beyond the first periphery and at least a part of the periphery of the conductive terminal lies within the first periphery. In a preferred embodiment the conductive element (21, 23) is solder and the periphery of the conductive terminal is shaped in such a way that no excess solder bridges from one laminar surface of the resistive element (19) to the other. Devices of the invention are useful as circuit protection devices.
Patent CA-2092869-A1 (CA)
Title: Preparation of 3-(hydroxyphenyl)propionaldehydes and, where appropriate, the preparation of 3-(hydroxyphenyl)propanols
Inventor: MERGER FRANZ
IPC: C07C45/71
Filed: 1993-03-29
Abstract: O.Z. 0050/43172 Abstract of the Disclosure: A process for preparing 3-(hydroxyphenyl)propionaldehydes of the formula I                                           (I) and, where appropriate, for preparing 3-(hydroxyphenyl)-propanols of the formula II                                     (II) where R1, R2, R3 and R4         are each  hydrogen ,     C1-C20-alkyl , C3-C20-cycloalkyl, C4-C20-alkylcyclo-alkyl,      C4-C20 cycloalkylalkyl or C5-C20-alkylcycloalkylalkyl, R3 and R4                 are each aryl, C7-C20-aralkyl, hetero-cycloalkyl or C3-C20-heterocycloalkyl-alkyl, entails a)       reacting phenols of the formula III                           (III) where R1 and R2 have the abovementioned O.Z. 0050/43172 meanings, with 3-hydroxypropionaldehydes of the formula IV                                           (IV) where R3 and R4 have the abovementioned mean-ings, in the presence of a basic catalyst at from 90 to 230°C and under from 0.01 to 50 bar and, where appropriate, b)  treating the resulting 3-(hydroxyphenyl)pro-pionaldehydes of the formula I                                           (I) where R1, R2, R3 and R4 have the abovementioned meanings, with hydrogen in the presence of a hydrogenation catalyst at from 0 to 250°C and under from 0.1 to 300 bar.
Patent CA-2093000-A1 (CA)
Title: Rotor for brushless electromotor and method for making same
Inventor: NAGATE TAKASHI
IPC: H02K7/04
Filed: 1991-08-06
Abstract: ABSTRACT           A rotor having permanent magnets for a brushless electromotor includes a yoke formed from a plurality of silicon steel sheets laminated together and provided along its outer periphery with even number of, at least four magnetic poles.  The magnetic poles are alternately provided substantially at equal distances from a rotational axis with slots to receive the respective permanent magnets such that the sides of the permanent magnets facing a rotary shaft have the same polarity.  As a result, a compact and efficient rotor is obtained, and damage to or flying off of the permanent magnets is prevented.
Patent CA-2097603-A1 (CA)
Title: Biosynthetic pdgf antagonists
Inventor: PANG ROY H L
IPC: C07K19/00
Filed: 1991-12-17
Abstract: Disclosed are polypeptides which antagonize the activity of platelet-derived growth factor (PDGF). These polypeptides include an amino acid sequence sufficiently duplicative of at least a portion of the amino acid sequence of an A chain of PDGF such that the polypeptides bind a cell membrane-bound receptor for native PDGF  on a cell that responds biologically to the binding of PDGF. The binding of the antagonist to the receptor is effective to inhibit PDGF binding and activity. Also disclosed are methods of preparing and using these antagonists.
Patent CA-2097789-A1 (CA)
Inventor: HARDEE KENNETH L
IPC: C23F1/26
Filed: 1993-06-04
Abstract: ELECTRODES OF IMPROVED SERVICE LIFE              Abstract of the Disclosure A metal surface is now described having enhanced adhesion of subsequently applied coatings combined with excellent coating service life.  The substrate metal of the article, such as a valve metal as represented by titanium, is provided with a highly desirable rough surface characteristic for subsequent coating application.  This can be achieved by various operations including etching and melt spray application of metal or ceramic oxide to ensure a roughened surface morphology. Usually in subsequent operations a barrier layer is provided on the surface of enhanced morphology.  This may be achieved by operations including heating, as well as including thermal decomposition of a layer precursor. Subsequent coatings provide enhanced lifetime even in the most rugged commercial environments.
Patent CA-2099205-A1 (CA)
Title: An applicator device for positioning a contact lens on the human eye
Inventor: HELLENKAMP JOHANN
IPC: A61F9/00
Filed: 1993-06-25
Abstract: An applicator assembly comprising a base having a handle portion and a support portion and including an applicator movably mounted or connected to the base and selectively positionable between an outwardly extending operative position wherein the lens is transferred to the eyeball, and a stored position wherein the contact lens is removably secured to the applicator and is also capable of being positioned for proper cleaning of the inside surface immediately prior to the application to the eyeball. A container is also provided for storing of the assembly wherein the cover or lid portion thereof is an eyepiece having a magnifying lens for properly viewing the contact lens when mounted on the subject applicator device for proper orientation of the lens immediately prior to placing on the eyeball.
Patent CA-2100903-A1 (CA)
Title: Stretch wrapping with tension control
Inventor: MARTIN STUART
IPC: B65B11/02
Filed: 1993-07-20
Abstract: ABSTRACT OF THE DISCLOSURE      A stretch wrap packaging machine includes a support frame and a rotatable frame rotatably mounted on the support frame.  A dispenser is mounted on the rotatable frame to follow an orbital path.  The dispenser has a web tensioning system which is selectably operable in a plurality of states.  At least one actuation ring is moveably mounted of the support frame for cooperation with the tensioning system and selectively rendering the tensioning system operable in each of the plurality of states of operation throughout the orbital path.  An activator moves the actuation ring to cooperate with the tensioning system.  The tensioning system may include prestretch rollers connected by an engageable clutch.  The tensioning system may also include at least one power assisted roller which is connected by a clutch to a power source.
Patent CA-2101140-A1 (CA)
Inventor: GOSS STEVEN R
IPC: H05K7/20
Filed: 1993-07-22
Abstract: A high-density electronics package (10) that houses a plurality of circuit cards(21, 22, 25, 26), heat sinks (23, 27) and circuit interconnections (33) in a single hous-ing (12). The electronics package (10) uses conical shaped interfaces for locating and locking components, which greatly enhances the serviceability, thermal management and strength of the electronics package (10). Assembly is accomplished by using a selected conical angle on a first heat sink (23) that mates with a matching conical surface (13) on the housing (12). A second heat sink (27) has a conical angle (located in the opposite direction of the conical angle of the first heat sink) that mates with an identical angle on an expandable wedge ring (31) used for positioning purposes. This mounting feature provides automatic heat sink to heat sink axial alignment regardless of tolerances, therefore simplifying assembly and providing intimate contact between the heat sinks (23, 27) and the housing (12), and thus creating a thermal path from the circuit cards (21, 22, 25, 26) to the housing (12). A model of the electronics package (10) has been designed, built and tested, and provides a lightweight, thermally conductive, and structurally sound electronics package (10). The present packageconcept also provides for greater serviceability, easier fabrication, faster assembly, lower cost and increased design latitude. The electronics package (10) is easilyfabricated and requires no special tooling. Assembly of components into the housing (12) is accomplished within minutes and disassembly is equally fast and easy.
Patent CA-2104221-A1 (CA)
Inventor: GABALLAH IBRAHIM
IPC: B01J20/24
Filed: 1993-08-16
Abstract: Substrat biologique pour l'adsorption de contaminants en milieu aqueux L'invention a pour objet un substrat biologique tel qu'obtenu à partir d'un matériau de type lignocellulosique (dit "matériau ligno-cellulosique de base") dégradé par des microorganismes, caractérisé par : - une quantité de lignine supérieure à 10%, avantageusement 15% en poids sec du matériau ligno-cellulosique ; - une répartition en composés phénoliques des extraits du matériau ligno-cellulosique du substrat, telle que la proportion en poids sec des composés phénoliques sous forme de polymères est inférieure à la somme des proportions en poids sec des trimères, dimères et monomères des composés phénoliques des extraits ; - une quantité de carbone (C) et d'azote (N) telle que le rapport C/N est compris entre environ 50 et environ 70, de préférence est situé autour de 55 ; - la présence de microorganismes, notamment de microorganismes capables de dégrader des matériaux de type ligno-cellulosique et le cas échéant la présence de leurs parois.
Patent CA-2104524-A1 (CA)
Title: Mounting device
Inventor: PERRIN DENIS
IPC: A47K3/38
Filed: 1993-08-20
Abstract: ABSTRACT OF THE DISCLOSURE           A device for attachment to a surface comprising a cone of resilient material, a handle engaging portion proximate the vertex of the cone and a handle.  The handle has a gripping portion adapted to hold material between the gripping portion and the smooth surface.  The handle and the resilient cone are shaped to bias the gripping portion of the handle against the surface.
Patent CA-2105086-A1 (CA)
Title: Mild personal cleansing bars with improved processability
Inventor: ECCARD WAYNE E
IPC: C11D1/37
Filed: 1992-01-31
Abstract: This invention is an improved mild personal cleansing syndet bar comprising: long chain alkyl sulfate having essentially saturated C15-C22, preferably C16-C18, alkyl chains, more preferably cetearyl sulfate, a high lathering, mild synthetic surfactants comprising C12-C14 alkyl isethionate, soap, fatty acids, and paraffin wax, preferably a high melting point paraffin wax. The bar has good processability, improved smears, and good in-use properties without meaningful lather negatives.
Patent CA-2106005-A1 (CA)
Title: Process for producing uniform macroporous polymer beads
Inventor: FRECHET JEAN M J
IPC: C08F291/00
Filed: 1992-03-10
Abstract: A process for producing macroporous polymer beads from a multiphase emulsion using soluble polymer particles as the primary porogen is disclosed. The beads produced are of uniform size and shape.
Patent CA-2107679-A1 (CA)
Title: Sealing electrode and surge absorber using such electrodes
Inventor: TANAKA YOSHIYUKI
IPC: H01C1/024
Filed: 1993-02-25
Abstract: ABSTRACT           A surge absorbing element is put into a glass tube, which is sealed by sealing electrodes in a state where the  tube  is  filled with an  inert gas,  thereby producing a surge absorber. Each of the sealing electrodes comprises an electrode element made of an alloy containing iron  and  nickel,  and  copper  thin  films  or  having predetermined thicknesses and formed on both faces of the electrode element or on one side which is in contact with the glass tube or faces the interior of the glass tube. it is preferable to form a Cu20 film on the surface of the copper thin film.  The sealing electrodes can be sealed in an inert gas atmosphere.   It has an excellent sealing capability  to  a  glass  tube,  and  has  an  action  of accelerating electron emission.  If the copper thin films are formed on both faces of the electrode element, leads can be soldered easily to the outer faces of the sealing electrodes.  A surge absorber thus sealed by the sealing electrodes has a high surge resistance and a long life because its conductive film and micro-gap are not easily deteriorated at the time of sealing and arc discharging.
Patent CA-2107876-A1 (CA)
Title: Process for extruding crystalline aluminosilicates
Inventor: KLAZINGA AAN H
IPC: B01J29/08
Filed: 1993-10-06
Abstract: A B S T R A C T            PROCESS FOR EXTRUDING CRYSTALLINE ALUMINOSILICATES      The present invention relates to a process for preparing a shapable dough comprising mixing and kneading a silica source, a dealuminated aluminosilicate zeolite and water, which mixture is kept acidic and comprises between 15 and 80% by weight of silica.     Furthermore, the invention relates to preparing extrudates from such shapable doughs, to catalysts prepared from such extrudates and to a hydrocarbon conversion process with the help of such catalysts.
Patent CA-2112105-A1 (CA)
Inventor: MCLACHLAN RICHARD D
IPC: G01N21/59
Filed: 1992-07-30
Abstract: A probe for use in situ analysis of light absorbing fluids wherein light emitted from a source is collimated by a lens (16) and transmitted through a fluid onto and substantially perpendicular to a reflector (28). Light is reflected by the reflector (28) back through the fluid and focused by the lens (28) onto a reflected light collector for transmission (146) to analyzing apparatus. The length of the path traversed by the emitted and reflected light is adjustable.
Patent CA-2113225-A1 (CA)
Title: Tablet dipping systems for apparatus for gelatin coating tablets
Inventor: BERTA NORBERT I
IPC: A61K9/28
Filed: 1994-01-11
Abstract: An apparatus for dipping tablets into gelatin coating material and for spreading and setting the coating immediately after dipping is provided. Carrier plates having a plurality of tablet holders are transported from a tablet loading station to a dipping station along a transport guide.      At the dipping station, a carrier plate is mounted to a vacuum chamber. A set of vacuum tubes in the vacuum chamber are extended through the tablet holders to contact and lift the tablets off of the holders and secure the tablets to the tubes. In a preferred embodiment, the vacuum chamber is rotated 180° and a second carrier plate is mounted onto the housing and a second set of tubes secure the tablets to the plate. The carrier plates are alternately dipped and returned to the guide means where new plates with uncoated tablets replace the plates with coated tablets. Immediately after dipping the carrier plates enter a rotating station where the plate is rotated 360° and then replaced on the guide means for transportation to further processing stations. Preferably, the rotating station includes a similar vacuum chamber with vacuum tubes that are extended into the holder for securing the tablet during rotation.
Patent CA-2117332-A1 (CA)
Title: Glycosylated steroid acid derivatives for transport across biological membranes and process for making same
Inventor: KAHNE DANIEL E
IPC: A61P31/04
Filed: 1992-12-14
Abstract: Novel glycosylated steroid derivatives for facilitating the transport of compounds across biological membranes, either in admixture or as conjugates, are disclosed. A novel process for efficient synthesis of these glycosylated steroid derivatives, using activated glycosyl sulfoxide intermediates is also provided.
Patent CA-2118396-A1 (CA)
Title: Machine and method for forming arched roof vertical wall self supporting metal buildings and building constructions
Inventor: MORELLO FREDERICK
IPC: B21D53/00
Filed: 1993-04-21
Abstract: A mobile metal building forming machine (30, 34, 38, 40, 68, 74) forms a panel (P) of predetermined length from a coil of flat metal and then the formed panels are continuously crimped on their side edges (C s) for strength and are selectively curved by crimping the bottom (C b) of the panel. The crimping and curvature are automatically controlled so that building panels with vertical walls and an arched roof may be formed. A moveable crimping roll (70, 72) is automatically portioned to control the curvature and the roll is chain driven (94, 98, 102) so that it may be moved without affecting its rotational drive.