baber/WOPTO huggingface dataset:
Patent CA-2074044-A1 (CA)
Title: Micro-slug injection of surfactants in an enhanced oil recovery process
Inventor: D SOUZA ADRIAN
IPC: C09K8/94
Filed: 1992-07-16
Abstract: ABSTRACT OF THE DISCLOSURE A method for introducing a surfactant into an oil bearing formation includes plurality of a micro-slug injections of surfactant.   Each micro-slug injection comprises an "on time"  in which the surfactant is introduced into the formation and which is based upon the time needed for the surfactant to generate foam in the formation and a "off time" in which surfactant flow is stopped and is based upon the time period for the generated foam to degrade to a predetermined degree in the formation.
Patent CA-2074511-A1 (CA)
Title: Multi-analyte sensing electrolytic cell
Inventor: JOSEPH JOSE P
IPC: G01N27/416
Filed: 1991-01-17
Abstract: An electrolytic sensor (10) is set forth for measuring the amounts of an ionic and of a vaporous species in a liquid. The system has an electrode (16) sensitive to an ionic species and another electrode (22) sensitive to a vaporous species. A unitary membrane (20) covers the electrodes and the requisite electrolyte with the membrane being permeable to the vaporous species, impermeable to the liquid and having dispersed in it an ionophore which senses the ionic species via selective transfer into the membrane of a quantity of the ionic species determined by the concentration of the ionic species in the liquid. Such quantities as hydrogen ion concentration, carbon dioxide concentration and oxygen concentration can be determined by a single electrolytic cell structure.
Patent CA-2074553-A1 (CA)
Inventor: PAIK WOO H
IPC: H04N21/438
Filed: 1992-07-23
Abstract: Coded modulation schemes based on codes for QPSK modulation are directly incorporated into QAM based modulation systems, forming trellis coded QAM, to provide a practical coding structure that is both efficient in bandwidth and data reliability. Concatenated coding with QPSK based trellis coding and symbol error correcting coding is used.  In an encoder, an N-bit QAM constellation pattern is divided into four subsets, each including N/4 symbol points of the constellation pattern.  A two-bit QPSK codeword is assigned to each of the four subsets.  A symbol to be transmitted is first encoded using an outer error correcting encoding algorithm, such as a Reed-Solomon code.  Part of the symbol is then encoded with an inner code that comprises a rate 1/2 trellis encoding algorithm to provide a QPSK codeword, which is mapped with the remaining bits of the symbol to provide a modulation function, wherein the remaining bits correlate the symbol with one of the symbol points included in the subset defined by the QPSK codeword.  At a receiver, the recovered modulation function is pruned to provide a set of metrics corresponding to the subsets and to provide a plurality of conditional determinations of the constellation point identified by the remaining bits.  The metrics are used in a rate 1/2 trellis decoder to recover a first bit that is encoded using a rate 1/2 encoding algorithm to recreate the QPSK codeword.   One of a plurality of the conditional determinations is selected in response to the recreated codeword.  The selected conditional determination is combined with the recovered first bit to provide a decoded output that is further decoded using a symbol error correcting algorithm such as a Reed-Solomon code.
Patent CA-2079327-A1 (CA)
Title: Double aged rapidly solidified aluminum-lithium alloys
Inventor: LASALLE JERRY C
IPC: C22F1/057
Filed: 1991-01-25
Abstract: A component consolidated from a rapidly solidified aluminum-lithium alloy containing copper, magnesium and zirconium is subjected to a preliminary aging treatment at a temperature of about 400 ·C  to 500 ·C for a time period of about 0.5 to 10 hours; quenched in a fluid bath; and subjected to a final aging treatment at a temperature of about 100 ·C to 250 ·C for a time period ranging up to about 40 hours. The component exhibits increased strength and elongation, and is especially suited for use in lightweight structural parts for land vehicles and aerospace applications.
Patent CA-2080008-A1 (CA)
Title: Water-soluble mutein of fibroblast growth factor (fgf) receptor
Inventor: IGARASHI KOICHI
IPC: C12N15/12
Filed: 1991-04-25
Abstract: Disclosed are (1) a water-soluble mutein of an animal protein having activity as a receptor for a fibroblast growth factor (FGF) protein, (2) a recombinant DNA having a nucleotide sequence coding for the above water-soluble mutein, (3) a vector containing the above recombinant DNA, (4) a transformant transformed with the above vector, and (5) a process for producing the water-soluble mutein which comprises cultivating the above transformant in a culture medium, the mutein being useful as therapeutic agents or to enhance cell proliferation activity.
Patent CA-2082128-A1 (CA)
Title: Process for agglomerating particulate material and products made from such processes
Inventor: STEEGHS HENRICUS R G
IPC: C22B1/244
Filed: 1992-11-04
Abstract: A process for particulate agglomeration (i.e., pelletizing) arid the product produced (i.e., pellets) by such processes are disclosed. The process generally comprises a process of agglomerating particulate material, said process comprising commingling said particulate material with a moistening effective amount of water, a binding effective amount of polymer and a binding effective amount of weak acid to produce a mixture and forming said mixture into agglomerates.
Patent CA-2084011-A1 (CA)
Title: Communications system
Inventor: RODMAN WILLIAM
IPC: H04M11/06
Filed: 1992-11-27
Abstract: ABSTRACT             A communications system includes at least two telephone subscriber locations interconnected by a public switched telephone network. A computer is located at each telephone subscriber location and is connected to the network via a conventional modem and a telephone line. A telephone or other telephone device such as a facsimile machine is also located at each telephone subscriber location and shares the telephone line with the computer. The computers are operable to establish a data session and transmit data messages therebetween when a communications link is established. A communications protocol in each computer gives priority to incoming calls directed to the telephone which are announced by the arrival of a call waiting tone during the data session. When such a tone is received, the computer terminates the data session and allows the telephone to ring in response to the incoming telephone call. The communications protocol also gives priority to the telephone device at each location by terminating the data session when the telephone goes off-hook. If a data session is terminated, the computer which initiated the data session reestablishes the communications link and resumes thedata session at the point where the data session was terminated. Thus, the communications protocol allows a computer to share an existing telephone line with a telephone in a manner which does not disturb the regular usage of the telephone line.
Patent CA-2084952-A1 (CA)
Inventor: GOLEDZINOWSKI MACIEJ
IPC: C07C11/02
Filed: 1992-12-09
Abstract: An improved process is described for the catalytic oligomerization of light olefins, such as ethylene or propylene.  Higher hydrocarbons, such as gasoline grade hydrocarbons, are produced from the light olefins using a liquid catalyst which comprises a Lewis acid and a Lewis base component which forms with the Lewis acid a melt which is liquid at room temperature.  The Lewis acid is a metal halide, such as aluminum trichloride and the Lewis base is an organic salt, such as an organic halide salt containing an N-heterocyclic ring or salts containing fully substituted onium ions.
Patent CA-2087235-A1 (CA)
Title: Planarizing method for refilled trenches
Inventor: BOYD JOHN M
IPC: H01L21/76
Filed: 1993-01-13
Abstract: Abstract of the Disclosure A method of planarizing a surface of a semiconductor substrate containing a trench refiled by forming a polysilicon layer, with a thickness of half the width of the trench, over a conformal layer on the substrate and in the trench, is described. Most of the polysilicon layer is oxidized in a controlled manner, with a stressed region of the polysilicon centrally over the trench being oxidized at a reduced rate which compensates for a dip in the polysilicon layer at this point, to leave a thin layer of unoxidized polysilicon which has a planar interface with the oxidized polysilicon, The oxidized polysilicon is wet etched, using the thin layer of unoxidized polysilicon as an etch stop, and the thin layer of unoxidized polysilicon is then dry plasma etched, to leave a planar surface.
Patent CA-2088972-A1 (CA)
Title: Bioactive egf peptides for promotion of tissue regeneration and cancer therapy
Inventor: GALLICK GARY E
IPC: A61K38/22
Filed: 1991-08-09
Abstract: A biologically active cyclic synthetic peptide analog having an amino acid sequence similar to that of native epidermal growth factor between amino acids 32-48 is revealed. The peptide has been found to mimic certain biological activities of intact native epidermal growth factor (EGF). The EGF peptide analogs of the present invention include at least one sulfhydryl bond between two cysteines of the peptide containing block termini. The peptides comprise the end of the B-loop and the C-loop characteristic of the native form of the epidermal growth factor peptide. The biological activity of the peptide provides for methods of using the peptide as an agent in wound healing and also in cancer therapy. More particularly, the described peptides are used in cancer therapeutic applications and in the promotion of wound healing, especially burn wounds and peptic ulcer disease. Methods of preparing and using the described bioactive EGF analog peptides are also disclosed.  Both the D- and L- forms of the peptides' amino acids are within the scope of the described biologically active peptides.
Patent CA-2089715-A1 (CA)
Inventor: WYANT JON R
IPC: B42F13/00
Filed: 1993-02-17
Abstract: Abstract of The Disclosure A binder having a rectangular stiffener board and a sheet retaining assembly.  The stiffener board is provided in its first surface with at least three spaced parallel channels medially located between the side edges of the board.  Each channel defines a hinge line extending along the height of the stiffener board.  The sheet retaining assembly is mounted on the first surface of the board adjacent to the channels but outside the medial section of the board where the channels are located.  The binder thus structured allows the stiffener board to define front and rear cover of the binder interconnected by the medial section which is foldable conformingly about the retaining assembly.
Patent CA-2094961-A1 (CA)
Title: Dual chamber cardiac pacemaker employing hysteresis to maximize the number of normally conducted ventricular beats with an optimum a-v delay for paced ventricular beats
Inventor: HAUSER ROBERT G
IPC: A61N1/368
Filed: 1993-04-27
Abstract: A DDD pacemaker including stimulating means to stimulate the ventricles of a heart after a predetermined A-V delay period includes means for adjusting the A-V delay period to enhance the probability of detecting naturally occurring ventricular depolarization signals when such signals are being detected at a predetermined rate and switching to a more hemodynamically appropriate A-V delay period when paced beats predominate. The invention is implemented in software run on a microprogrammable controller comprising the DDD pacemaker.
Patent CA-2095230-A1 (CA)
Title: Self-tapping, and self-tapping and self-drilling, rock bolts
Inventor: GRAY PETER A
IPC: E21D21/00
Filed: 1991-10-29
Abstract: ABSTRACT           A  self-tapping  rock  bolt  comprises  a discontinuous   threaded   profile   (9)   having   a plurality of cutting edges  (11)  and at  least one flute (13) extending along the length of the rock bolt.   The cutting edges (11) are adapted to cut a threaded profile in the internal surface of a pilot hole so that the threaded profile (9) of the rock bolt interlocks therewith.   The or each flute (13) is adapted to facilitate removal of material cut by the cutting edges (11).   A preferred embodiment of the rock bolt includes an internal axial hole (25) to enable water to be injected through the rock bolt as  the  threaded profile  is  being  cut.   A  self-tapping and self-drilling rock bolt comprises the self-tapping rock bolt described above and a cutting means (23) to cut a hole for the rock bolt.
Patent CA-2104008-A1 (CA)
Title: Polymeric film filter assembly
Inventor: STEERE WILLIAM C
IPC: B01L3/00
Filed: 1992-02-20
Abstract: A flexible inflatable polymer film filter assembly or device (10) is provided in pouch or sleeve form for filtration of fluid comprising at least one fluid porous dead-end filter panel (20) located internally within the pouch or sleeve with the opposite end edges (20C, 20D) of the filter panel (20) sealed respectively to first and second polymer film fluid-barrier panels (30, 40) that form the pouch or sleeve so that the respective pouch or sleeve is divided into separate internal chambers, one of which may serve for collection of permeate fluid. The device (10) has a flat two-dimensional form when empty but can assume an inflated three-dimensional form when containing fluid under pressure. The device being constructed of sterilizable thin plastic film, can be cut into transverse segments (for purposes of analysis, further processing, etc.) which can be a segment comprising each filter panel (20) or a segment containing a liquid or non-liquid fluid permeate.  The assembly optionally includes a hollow vessel support (90) member for supporting the filter device (10) vertically for gravity flow or forced flow of liquid to be filtered, especially in the laboratory or in the field.
Patent CA-2104024-A1 (CA)
Title: Prostacyclin and carbacylin derivatives as agents for treatment of febrile diseases
Inventor: BLITSTEIN-WILLINGER EVELINE
IPC: A61P25/00
Filed: 1992-02-11
Abstract: Abstract This invention relates to the use of prostacyclin and carbacyclin derivatives for the production of an agent for the treatment of diseases that are accompanied by fever or disseminated intravascular coagulopathy and can be accompanied by cerabral complications.
Patent CA-2104810-A1 (CA)
Title: Membrane gas generator in association with bulk storage for increased flexibility and productivity
Inventor: BARBE CHRISTIAN
IPC: B01D53/22
Filed: 1993-08-25
Abstract: ABSTRACT OF THE DISCLOSURE      A membrane nitrogen generator adapted to deliver a flow rate of nitrogen gas having a purity better or at least equal to P0, which includes:     (a)  a source of compressed nitrogen containing gas having a purity lower than P0, the source having a maximum flow rate Fm1;     (b)  varying means connected to the source of a) which is adapted to vary the flow rate of the source between Fm1 and zero;     (c)  a nitrogen membrane fed by the source of a) which is capable of delivering a low purity nitrogen gas which is enriched in nitrogen compared to the source and a nitrogen depleted gas which is depleted in nitrogen compared to the source, the low purity nitrogen gas having a purity P1, which increases when the flow rate of the nitrogen containing gas source feeding the membrane decreases, the purity P1 being lower than P0 at the maximum flow rate Fm1;     (d)  a source of high purity compressed nitrogen gas having a purity which is greater than  P0 delivering a high purity nitrogen gas having flow rate control means to control its flow rate from zero to a maximum flow rate value Fm2;     (e)  mixing means adapted to mix the low purity nitrogen gas and the high purity nitrogen gas and delivering a nitrogen gas mixture; and (f)  purity control means adapted to measure the purity of the nitrogen gas mixture and to generate a signal to the flow rate control means to increase the flow rate of the high purity nitrogen gas when the measured  purity of said nitrogen gas mixture is smaller than or equal to P0 and to decrease the flow rate of the high purity nitrogen gas when the measured purity of said nitrogen gas mixture is greater than P0.
Patent CA-2105380-A1 (CA)
Title: User features for next generation cordless telephone networks
Inventor: ANTILLA GARY A
IPC: H04W84/16
Filed: 1992-03-27
Abstract: A public telephone network to portable telephone interconnection device (20) is provided. At least one transceiver (30a-n) interconnects a plurality of portable telephones (12) to the public telephone network (16). A channel monitor (38) monitors the transceivers (30a-n and 82) to provide information. At least one information transceiver (82) interconnects the plurality of portable telephones (12) to and is responsive to the monitor (38) for transmitting (104) the information to the plurality of portable telephones (12).
Patent CA-2106847-A1 (CA)
Title: Odorant receptors and uses thereof
Inventor: BUCK LINDA B
IPC: A01N63/50
Filed: 1992-04-06
Abstract: The invention provides an isolated nucleic acid, e.g. cDNA  encoding an odorant receptor. The invention further provides expression vectors containing such nucleic acid. Also provided is a purified protein encoding an odorant receptor, with the aforementioned expression vectors and the resulting transformed cell. The invention also provides methods of identifying odorant ligands and of identifying odorant receptors. The invention further provides methods of developing fragrances, of identifying appetite suppressant compounds, of controlling appetite, of controlling pest populations, of promoting and inhibiting fertility, and of detecting odors.
Patent CA-2107026-A1 (CA)
Title: Pharmaceutical compositions containing 1,5,6,7-tetrahydro-4h-indazol-4-ones, new 1,5,6,7-tetrahydro-4h-indazol-4-ones and processes for preparing them
Inventor: EBERLEIN WOLFGANG
IPC: A61K31/55
Filed: 1993-09-27
Abstract: Abstract Tetrahydroindazolone Pharmaceutical compositions The invention relates to pharmaceutical compositions which contain 1,5,6,7-tetrahydro-4H-indazol-4-ones of formula I              (I) (wherein X, R1 and R2 are as defined in claim 1), some of which compounds are new.  The pharmaceutical compositions may be used as analgesics, antipyretics and antiphlogistics.
Patent CA-2110189-A1 (CA)
Title: A notebook type information processing apparatus having input function with pen
Inventor: HONJO KAORI
IPC: G06F1/16
Filed: 1993-11-29
Abstract: A notebook type information processing apparatus allows easy manipulation and reduces operator fatigue.  The apparatus has a display and an apparatus body.  The display has a screen on one side for displaying data and a support supporting the screen rotatably.  A first connector is provided on the bottom of the support and is connectable to the apparatus body mechanically and electrically.  A latch is rotatable 180 degrees for locking the display to the apparatus body in either a normal position or a position turned over in the front-and-rear direction.  The apparatus body has a groove engageable with the support and located at the rear of a keyboard used to enter data and commands.          A second connector is positioned in the groove and connectable to the first connector mechanically and electrically.  A pair of rotatable levers is engageable with opposite ends of the support for locking the display.  A control section is provided for generating control signals meant for the screen.  A position detecting circuit determines electrically whether the display is mounted in the normal position or not.  A selector circuit selectively outputs the control signals from the control section on the basis of the output of the detecting circuit.
Patent CA-2110395-A1 (CA)
Inventor: ALT GUENTHER
IPC: B02C13/09
Filed: 1993-03-15
Abstract: Abstract Proposed is a crushing machine, in particular an impact crusher, comprising at least one rotatably driven rotor mounted in a housing and equipped with crushing elements, as well as at least one impact mechanism which faces the rotor and is fitted with impact elements, wherein the impact mechanism or impact mechanisms is or are mounted in at least one frame which is independent of the housing, and which together with the impact mechanism or mechanisms can be swung into a roughly horizontal position outside the housing.
Patent CA-2110998-A1 (CA)
Inventor: HOLSTEIN WOLFGANG
IPC: F16L59/00
Filed: 1993-04-22
Abstract: 2110998 9322251 La présente invention concerne des compositions de fibres minérales susceptibles de se dissoudre au contact d'un milieu physiologique. Les compositions de ces fibres comprennent les constituants suivants, selon les proportions pondérales définies ci-après: SiO2 48 à 67 %, Al2O3 0 à 8 %, Fe2O3 0 à 12 % (fer total exprimé sous cette forme), CaO 16 à 35 %, MgO 1 à 16 %, Na2O + K2O 0 à 6,5 %, P2O5 0 à 5 %, en considérant que ces compositions sont également définies par le fait que les teneurs de ces constituants respectent les relations suivantes: Na2O + P2O5 ã 2 %, Fe2O3 + Al2O3 Í 12 %, CaO + MgO + Fe2O3 ã 23 %.
Patent CA-2113677-A1 (CA)
Title: Device for speedily mounting objects on tubes and bars
Inventor: LIAO GORDON
IPC: B62J11/00
Filed: 1994-01-18
Abstract: A speedy fixing device for tubes and bars of various shapes and sizes, having two elongate upright parallel teeth plates and an engaging base. The teeth plates are fixed firmly on an object which is to be affixed to the tube or bar, and have a plurality of longitudinal teeth in two vertical parallel slots of the engaging base. The engaging base has an inverted V-shaped bottom surface to contact an upper surface of a tube or a bar. The engaging base slides inward gradually to compress tightly the tube or the bar placed under the base and between the two plates. An elastic cushion is used to inhibit slipping.
Patent CA-2114613-A1 (CA)
Title: Floating hanging liner support
Inventor: PODD VICTOR T
IPC: B65D90/04
Filed: 1992-09-11
Abstract: The invention provides a liner (104, 160, 202) for an intermodal bulk cargo container (100), which can be firmly secured along its top panel to the top interior of the intermodal container and still allow for limited movement of the liner. A method for securing the liner to the top interior of the intermodal container while allowing for limited movement of the liner is also provided. The invention additionally discloses a method and liner which can be attached to a bulkhead (162) placed adjacent to an end panel of the liner with side flaps which project off of the right and left edges of the end panel of the liner and interleave with end flaps which project off of the bulkhead. The liner also includes an opening and chute (204) and a method for connecting the chute to the opening. The opening and chute is so constructed that it is self sealing and a corresponding method is provided to seal a chute and opening through which the chute passes.
Patent CA-2115913-A1 (CA)
Title: Alcohol or aldehyde derivatives and their use
Inventor: SOHDA TAKASHI
IPC: C07K1/113
Filed: 1994-02-17
Abstract: Abstract of the Disclosure The present invention provides a cathepsin h inhibitor containing a compound of the formula:                               (I) wherein R1 is a hydrogen atom or an arylalkyl, heterocyclic-alkyl or lower alkyl group which may be substituted; R2 and R3 independently are a hydrogen atom or a hydrocarbon residue which may be substituted; R4 is an alkanoyl, sulfonyl, carbonyloxy, carbamoyl or thiocarbamoyl group which may be substituted; X is formula: -CHO or -CH2OB (wherein B is a hydrogen atom or a protecting group of hydroxyl group); m and n independently are an integer of 0 or 1; provided that R4 is an alkanoyl group substituted by aryl, a sulfonyl group substituted by aryl having more than 9 carbon atoms or by lower alkyl, or a carbamoyl or thiocarbamoyl group which may be substituted when R1 is an unsubstituted lower alkyl, arylalkyl on methylthioethyl group, R2 and R3 independently are a lower alkyl or arylalkyl, X is -CHO, m is 1 and n is 0 or 1, or a salt thereof.       Compound (I) is useful as a prophylactic/therapeutic agent for osteoporosis.