baber/WOPTO huggingface dataset:
Patent CA-2106644-A1 (CA)
Title: Silent extension-telephone call pickup device (or "silent phone pickup device")
Inventor: CHAN WEN-YEN
IPC: H04M1/64
Filed: 1993-09-21
Abstract: SILENT EXTENSION-TELEPHONE CALL PICKUP DEVICE        (or SILENT PHONE PICKUP DEVICE) ABSTRACT          This invention relates to an electronic device that automatically picks up an incoming call before any telephone on the same line can begin to ring.   This simple  device plugs into any telephone extension jack,  and the telephone is in turn plugged into the device.    When  there  is  an  incoming  call,  the  device  will automatically pick up the call and sound a buzzer.  The device is transparent to the normal operation of the phone when not enabled.          A device like this is very useful when there are multiple telephone extensions in the house, and a particular occupant expects a call late at night.  The alternative of going around the house to turn off the ringers on all the other telephone extensions would be cumbersome.          This device also has potential commercial applications.  It can, for example, allow a utility to call up its meter connected to the customer's telephone line to remotely extract readings without ringing the customer's telephones.
Patent CA-2107233-A1 (CA)
Title: Perfluoroalkylated diaminomesitylene and polyimides therefrom
Inventor: AUMAN BRIAN C
IPC: C07C211/56
Filed: 1992-04-03
Abstract: Perfluoroalkylated diaminomesitylene and polymers, preferably polyimides, made therefrom. The necessarily obtainable meta-substitution position of the perfluoroalkyl group with respect to both amino-groups provides an improved diamine and compositions of matter resulting therefrom.
Patent CA-2107494-A1 (CA)
Inventor: DUGAN JEFFREY S
IPC: D06M101/16
Filed: 1993-10-01
Abstract: Abstract Disclosed is a composite fiber comprising at least two different polymers, one of which is water-insoluble and selected from the group consisting of polyester, polyamide and copolymers therefrom and the other is water-dissipatable, having a plurality of at least 19 segments of the water-insoluble polymer, uniformly distributed across the cross-section of the fiber and being surrounded by the water-dissipatable polymer, a process for the manufacture of such a fiber and a process for the manufacture of microfibers therefrom.
Patent CA-2107806-A1 (CA)
Title: Photochromic compounds, their preparation and their use
Inventor: FISCHER-REIMANN EVELYN
IPC: C07D307/92
Filed: 1993-10-06
Abstract: Photochromic compounds, their preparation and their use Abstract Compounds of the formulae I and II or mixtures of compounds of the formula I andcompounds of the formula II, and their anaquinones,                (I),                (II), in which X is -O-, -S- or-NR8-, R1 and R2, independently of one another, are H, C1-C4alky1, C1-C4alkoxy, phenyl, benzyl, -OR9, -CN, -CO2R10, -CO-R11, halogen, or R1 and R2 together are -CH=CR12-CR13=CH-; R3 is the -OR9 group and R4 is H, halogen or the -OR9 group; R5 and R6, independently of one another, are as defined for R1 and R2, or R5 and R6 together are 1,2-benzobuta-1,3-diene-1,4-diyl; R7 is H, halogen or the -OR9 group; R8 is H, linear or branched C1-C18alkyl, or phenyl or benzyl, each of which is unsubstituted or substituted by C1-C4alkyl or C1-C4alkoxy;     R9 is C6-C14aryl which is unsubstituted or substituted by C1-C12alkyl, C1-C12alkoxy, C1-C12alkylthio, C1-C12alkylsulfinyl, C1-C12alkylsulfonyl, phenyl, benzyl, -CN, -CF3, halogen, -CO-R11 or-CO2R10; R10 is H, C1-C18alkyl, cyclohexyl, cyclopentyl, phenyl, C1-C12alkylphenyl, benzyl or C1-C12alkylbenzy1; R1, is H, C1-C4alkyl or phenyl; and R12 and R13, independently, are as defined for R1 and R2, are photochromic and are suitable for contrasting, light absorption and for information recording.
Patent CA-2108063-A1 (CA)
Title: Well cement compositions having improved properties and methods
Inventor: HEATHMAN JAMES F
IPC: C09K8/46
Filed: 1993-10-08
Abstract: Abstract of the Disclosure Improved cement compositions and methods of using such compositions  in  carrying  out  construction  and  remedial operations in oil and gas wells at high temperatures are provided.    The  compositions  are  basically  comprised  of hydraulic cement, sufficient water to form a pumpable slurry, and a dispersing and stabilizing additive comprised of an ethoxylated alkali metal salt of an alkyl polyether sulfonate.
Patent CA-2108958-A1 (CA)
Title: Ring Segment Connection
Inventor: PECH DAVID J
IPC: B66C23/26
Filed: 1993-10-21
Abstract: A ring for supporting a lift crane includes at least two ring segments each having two ends, the ends of the ring segments comprising at least one horizontal plate and at least one vertical plate. The horizontal plates and the vertical plates of adjacent ends of the ring segments are disconnectably secured to one another to form the ring support. In a preferred embodiment, the horizontal plates are connected by a vertical pin and the vertical plates are connected by a horizontal pin.
Patent CA-2116171-A1 (CA)
Inventor: LUGAY JOAQUIN C
IPC: A21D13/08
Filed: 1994-02-22
Abstract: LOW DENSITY NO FAT BAKED PRODUCT AND METHOD FOR MAKING                    Abstract Low density, no fat baked products containing a heat setting film-forming protein is provided wherein the ready-to-eat breakfast cereal products have extended bowl lives.  Also included is the method for making these unique products.
Patent CA-2116845-A1 (CA)
Inventor: BOULOS EDWARD NASHED
IPC: G02B1/11
Filed: 1992-10-05
Abstract: 2116845 9307515 PCTABS00021 Three-layer, low color purity, anti-reflection coatings reduce the reflection of visible light rays and display a low color purity when glazings carrying such coatings are oriented at high angles of incidence with respect to a source of visible light. The reflectances are comparable and the color purity values are lower for such glazings, when compared with conventional glazings coated with 1/4-1/2-1/4 wavelength anti-reflection coatings.
Patent CA-2118694-A1 (CA)
Title: Method and device for use in treating hair
Inventor: DE BENEDITIS ALFREDO
IPC: A45D7/04
Filed: 1992-09-14
Abstract: A method of treating hair with a liquid treatment substance is disclosed in which lengths of hair (15) which are not to receive treatment are protected by means of a tubular protection device (10) which is impervious to the liquid treatment substance. The tubular protection device (10) comprises an open ended tube (11) of thin rubber and one end of the tube is rolled upon itself to form an annular rolled portion (13) with an end portion (12) protruding therefrom. In use, the end (14) of a length of hair (15) to be protected is inserted into the end portion and the rolled portion (13) is unrolled to an extent sufficient to enclose all the length of hair to be protected. The protected hair (15) and unprotected hair (17) is rolled onto a curler (18) and the liquid treatment substance is applied to the rolled hair. The protection device serves to prevent the liquid treatment substance coming into contact with the length of hair (15) enclosed within the tube.
Patent CA-2119176-A1 (CA)
Inventor: KOBAYASHI MASAHIRO
IPC: H01L31/105
Filed: 1994-03-16
Abstract: A light detecting device of the present invention comprises a third semiconductor layer containing a second conductive impurity which is formed in the upper part of a semiconductor layer containing a first conductive impurity and a fourth semiconductor layer containing the second conductive impurity which is formed in the semiconductor layer around the third semiconductor layer with an interval between the layers.
Patent CA-2121670-A1 (CA)
Inventor: KHOUW FRANK H H
IPC: C10G11/18
Filed: 1994-04-19
Abstract: Process for radial distribution of fluid into a fluid mass wherein fluid is radially conveyed within and isolated from the fluid mass and discharged via a plurality of distribution points located radially in the fluid mass.
Patent CA-2121763-A1 (CA)
Title: Regulating device with starting and stopping device for screw-type compressors, and starting and stopping device used hereby
Inventor: VAN DYCK CHRISTIAAN
IPC: F04C28/08
Filed: 1994-04-20
Abstract: ABSTRACT OF THE DISCLOSURE     Regulating device with starting and stopping device for screw-type compressors, and starting and stopping device used hereby.            Regulating device with starting and stopping device for screw-type compressors which contain a compressor element (1), an electrical motor (2) to drive this compressor element  (1),  a minimum pressure  valve  (4)  which  is mounted on the outlet (5) of the compressor element (1) and a vessel (6) which is mounted between the compressor element (1) and the minimum pressure valve (4), which regulating device contains means (9) to control the motor (2), characterized in that the means (9) to control the motor (2) are means to make said motor (2) turn at a frequency-regulated  rotational  speed  at  an  almost constant pressure in the vessel (6), and in that the starting and stopping device contains a non-return valve (12) which is mounted on the inlet (10) of the compressor element (1).
Patent CA-2121922-A1 (CA)
Inventor: HOFFMANN EDUARD
IPC: B41C1/18
Filed: 1994-04-05
Abstract: A device for producing a tube-shaped printing form from a plate with a register hole system. A clamping strip which can be supported in its initial position and fastened to the respective plate edge longitudinally is provided for each edge of the plate to be connected. The clamping strips have a pin register which is designed in so that the pins can cooperate with the register hole system of the plate. A mechanism is assigned to one of the strips for effecting a rotation around an axle parallel to its longitudinal axis. The strips can be positioned opposite one another by this rotation and the plate edges clamped at the strips contact one another and can be connected for the purpose of forming a tube.
Patent CA-2122814-A1 (CA)
Title: Method for treating acquired immune deficiency syndrome
Inventor: GOLDBERG DENNIS I
IPC: A61K38/00
Filed: 1994-05-03
Abstract: ABSTRACT OF THE DISCLOSURE       The present invention provides a method for treating AIDS.  The method comprises the step of administering a therapeutically effective amount of an antiretroviral agent  and a  therapeutically  effective  amount  of  an intracellular glutathione stimulator to an HIV positive patient.  In a preferred embodiment, the antiretroviral agent comprises AZT.  In an embodiment, the composition for stimulating the intracellular glutathione levels comprises L-2-oxothiazolidine-4-carboxylate.
Patent CA-2123363-A1 (CA)
Inventor: FIRESTONE RAYMOND A
IPC: A61K47/48
Filed: 1994-05-11
Abstract: The present invention relates to drug-ligand conjugates wherein the drug is linked to the ligand through a protein peptide linker and a connector, a process for the preparation of said conjugates, method of controlling the growth of undesirable cells, pharmaceutical compositions, and intermediates thereof.
Patent CA-2125215-A1 (CA)
Inventor: GIROUX PAUL
IPC: E04H4/12
Filed: 1994-07-14
Abstract: Dans l'entretien de vidange et de remplissage des piscines, il est connu que l'utilisation de pompes mécaniques présentent plusieurs lacunes. Dans la présente invention concernant la vidange des piscines, nous avons élaboré un système qui aspire l'eau par gravité tout en maintenant le niveau d'eau requis. Pour effectuer le remplissage, le niveau d'eau est contrôlé par une valve qui ferme automatiquement la venue d'eau au niveau désiré.
Patent CA-2125562-A1 (CA)
Title: Method for determination of inductance
Inventor: HUOVILA HENRIK
IPC: G01R27/26
Filed: 1992-12-09
Abstract: A method of the invention is intented for determination of inductance by means of an electric circuit (1) subjected to the action of a control system (2). In order to determine inductance (L), a measuring system (3) is used to measure one or more parameters, such as the intensity (I), voltage (U), electromotive force and/or the like of electric current traveling in the electric circuit (1). The control system (2) includes an electric-current chopping control element (2a), such as one or more transistors or the like, whereby a power supply (I, U) operating in electric circuit (1) is used to produce in the inductive section (i) of electric circuit (1) at least two voltages (U1, U2) of substantially different intensities, depending on the chopping phase, i.e. the on-phase and the off-phase of control element (2a). Thus, according to the invention, inductance (L) is determined on the basis of voltages (U1, U2) prevailing in the inductive section (i) of electric circuit (1) and/or on the basis of electric current intensity changes (dI1, dI2) occuring therein.
Patent CA-2127120-A1 (CA)
Title: In vitro cornea equivalent model
Inventor: PARENTEAU NANCY L
IPC: A61K35/12
Filed: 1993-11-15
Abstract: This invention is directed to an organ equivalent of the cornea part of the eye made using tissue culturing systems. The method of constructing the cornea equivalent results in a structure analogous to the eye cornea in vivo. The cornea equivalent is an in vitro model of the eye, which can be used for transplantation or implantation in vivo or for screening compounds in vitro).
Patent CA-2128630-A1 (CA)
Title: A method for transplanting cells into the brain and therapeutic uses therefor
Inventor: CHERKSEY BRUCE D
IPC: A61K35/12
Filed: 1993-01-21
Abstract: 2128630 9314790 PCTABS00024 A method for grafting a cell in the brain of a mammalian subject is accomplished by attaching the cell to a support matrix so that the cell attaches to the matrix surface, and implanting the support matrix with the attached cell into the brain. Preferred support matrices are glass or plastic microbeads, either solid or porous, having a diameter from about 90 to about 125 µm. The method employs cells of different types, preferably cells of neural or paraneural origin, such as adrenal chromaffin cells. Also useful are cell lines grown in vitro. Cells not of neural or paraneural origin, such as fibroblasts, may also be used following genetic alteration to express a desired neural product such as a neurotransmitter or a neuronal growth factor. The method is used to treat neurological diseases such as Parkinson's disease, Alzheimer's disease, Huntington's disease, epilepsy, and traumatic brain injury.
Patent CA-2131325-A1 (CA)
Inventor: HAAS HANS E
IPC: B65D83/00
Filed: 1994-02-18
Abstract: The present invention relates to improvements in the design and construction of apparatus for dispensing microwaveable hot melt adhesives and other heat sensitive materials. The apparatus comprises a dispenser which is heated by microwaves and then used to dispense a material therefrom. The dispenser is specifically designed to convert microwave energy into heat and to transfer the heat to the material to be dispensed in a more efficient and/or safe manner.
Patent CA-2132851-A1 (CA)
Title: Semiconductor wafer temperature determination by optical measurement of wafer expansion in processing apparatus chamber
Inventor: ISHIKAWA HIROICHI
IPC: H01L21/324
Filed: 1993-04-05
Abstract: A method and apparatus are provided for measuring the temperature of articles such as semiconductor wafers (14) in a sealed chamber (12) of a processing apparatus such as a batch preheating module (10) of a semiconductor wafer processing cluster tool. Wafers (14) of generally known nominal diameter and coefficient of thermal expansion are placed at a known initial temperature into a processing chamber (12) which is then sealed. A pair of beams (40) of parallel light are passed by opposite edges of the wafer and the uninterrupted light from both beams are detected (48) and summed (60). When the wafer is heated in processing, ligth from the beams (40) is measured again. Expansion of the wafers (14) changes the amount of uninterrupted light detected, and the changed amount of light is measured. From the measurement, the initial temperature, the nominal diameter and the known coefficient of expansion, processing temperature is calculated.
Patent CA-2134199-A1 (CA)
Title: Apparatus and method of making an authenticated web formed of fibrous material
Inventor: WHITEHEAD GRAHAM D
IPC: D21F1/44
Filed: 1993-04-21
Abstract: Apparatuses and a method are disclosed for making an authenticated web formed from fibrous material. In one embodiment, the apparatus (20) includes a head box (24) holding a pulp mixture (26) for depositing a base web (22) on a Fourdrinier table (33) whereon the fibres in the base web are aligned and the base web is dried.  An optically variable material applicator (60) is located above the base web and deposits optically variable material thereon. The applicator does this either in the form of a powder spray, or by embedding optically variable articles into the base web. Once this is done, the base web passes beneath a second head box (70) which deposits a thin fibrous layer over the optically variable material and the base web. The fibrous layer and the base web are dried to form the finished authenticated fibrous web. The thickness of the resulting fibrous web is controlled so that light is able to pass through the fibrous layer allowing the properties of the optically variable material to be utilized. In another embodiment, a cylinder mould machine (322) is used to form the base web on a belt (328) which supports and transports the base web to the optically variable material applicator and then to the second head box. Alternatively, the base web with the optically variable material thereon may be conveyed to a laminator wherein a fine web of fibrous material is placed over the base web and optically variable material to form the authenticated fibrous web.
Patent CA-2134706-A1 (CA)
Inventor: SMITH DANIEL
IPC: B24B41/06
Filed: 1994-10-31
Abstract: ABSTRACT    A process for manufacturing wire or needles having a taper point.  Needle or wire blanks are cut from a roll of wire and mounted to a carrier strip.  The carrier strip and needles are moved through a succession of forming and trimming  and    grinding  stations.    The  blanks  are preferably rotated in the strip while being ground.
Patent CA-2137082-A1 (CA)
Inventor: KASHYAP RAMAN
IPC: H04B10/294
Filed: 1993-06-01
Abstract: A filter with a preselected attenuation/ wavelength characteristic, in which spatially separated parts of the filter attenuate different  wavelengths,  said spatially-separated parts having different attenuation  characteristics whereby to  attenuate different wavelengths in a  predetermined manner to provide a selected attenuation/wavelength characteristic.  In one  arrangement  said  in-terference type filter includes a grating, the pitch of which varies spatially.  In one instance, the means to determine the proportion of the radiation subject to interference comprises a  grating of spatially-varying effectiveness, but alternatively  the  means to change the proportion of radiation subject to interference may comprise an attenuation filter, the attenuation effect of the attenu-ation layer (23) varying spatially.  In another arrangement,  said filter may include means to separate received  radiation into a spa-tially-disposed spectrum, and means (54)  is provided to attenuate different parts of the spatially-disposed  spectrum  in  such a manner as to provide said selected attenuation/wavelength characteristic.
Patent CA-2139380-A1 (CA)
Inventor: HARRIS RODNEY M
IPC: C07C57/42
Filed: 1994-12-30
Abstract: Anhydride-functional polymerizable monomers having the structure:       and polymers and reactive compositions prepared from these monomers are disclosed.  The reactive compositions are especially useful in primer, topcoat, and in clearcoat/ basecoat applications.
Patent CA-2140690-A1 (CA)
Title: Multiple purpose tire chains
Inventor: LABONVILLE RICHARD P
IPC: B60C27/08
Filed: 1995-01-20
Abstract: An anti-skid tire chain for use on both soft and frozen terrain is disclosed.  The chain comprises a pair of parallel side chains adapted to encircle opposite sides of a tire, a plurality of traction units  such as rings aligned medially between the side chains and spaced one from the other around the tread surface of the tire,  and intermediate chain networks connected at outer locations to the respective side chains and at inner locations to successive traction units.  There are lugs on the traction units and studs on the intermediate chain networks.  The lugs and the studs protrude outwardly from the tread surface of the tire.
Patent CA-2141271-A1 (CA)
Inventor: MCKINNON GRAEME C
IPC: A61M25/09
Filed: 1995-01-27
Abstract: A guidewire 9 for vascular procedures is formed by a coaxial cable acting as antenna in a magnetic resonance imaging system 1. <IMAGE>
Patent CA-2143233-A1 (CA)
Title: Noble metal doping or coating of crack interior for strees corrosion cracking protection of metals
Inventor: HETTIARACHCHI SAMSON
IPC: G21C19/307
Filed: 1995-02-23
Abstract: A method for mitigating crack growth on the surface of stainless steel or other metal components in a water-cooled nuclear reactor.  A compound containing a noble metal, e.g., palladium, is injected into the water of the reactor in the form of a solution or suspension. This compound has the property that it decomposes under reactor thermal conditions to release ions/atoms of the noble metal which incorporate in or deposit on the in-terior surfaces of the crack.  The compound may be or-ganic, organometallic (e.g., palladium acetylacetonate) or inorganic in nature.  The palladium deposited inside a crack should exhibit catalytic behavior even if the bulk surface palladium is depleted under high fluid flow conditions.  As a result, the electrochemical potential inside the crack is decreased to a level below the crit-ical potential to protect against intergranular stress corrosion cracking.
Patent CA-2144757-A1 (CA)
Inventor: LEGRESY JEAN-MARC
IPC: C22C21/06
Filed: 1994-07-11
Abstract: L'invention est relative à un procédé de fabrication par coulée entre cylindres d'une feuille en alliage d'aluminium apte à la confection d'éléments constitutifs de boîtes à usage alimentaire, l'alliage d'aluminium contenant (en poids): Mg compris entre 1 et 4 % et Mn compris entre 0 et 1,6 %, le procédé étant caractérisé en ce que ladite feuille est obtenue par coulée dudit alliage à l'état liquide entre deux cylindres sous forme d'une bande ayant une épaisseur au plus égale à 4 mm, suivie d'au moins un traitement thermique à une température comprise entre 400 et 580 .degree.C, de façon à ce que la feuille soit au moins partiellement recristallisée, d'un laminage à froid jusqu'à une épaisseur finale inférieure à 0,3 mm. La feuille obtenue présente une limite d'élasticité, un indice de formabilité et une tenue du revêtement au délaminage améliorés qui conviennent à son application au boîtage et en particulier aux couvercles de boîtes.
Patent CA-2145430-A1 (CA)
Inventor: GREEN RICHARD S
IPC: B23B31/107
Filed: 1995-03-24
Abstract: ABSTRACT   A machine tool system includes a clamping unit installable on the head of a cutting machine, and a tool holder insertable into the clamping unit. The clamping unit includes an annular guide member and a sleeve telescoped onto the guide member. A flat drive key is positioned in an axial slot in the sleeve to establish a driving connection between the clamping unit and the tool holder. The tool holder is wedged into the clamping unit by means of radially-movable wedge lock elements and an axially movable drawbar.