baber/WOPTO huggingface dataset:
Patent CA-2004190-A1 (CA)
Title: New lysosphingolipid derivitives
Inventor: DELLA VALLE FRANCESCO
IPC: A61P25/28
Filed: 1989-11-29
Abstract: Abstract of the Disclosure Novel derivatives of lysophingolipids free from sialic acids which are N-acyllysosphingolipids having one of the two formulae:       (I)                          (II) in which -A- stands for the group -CH=CH- or -CH2-CH2-, n1 is a whole number of between 6 and 18, n2 a whole number of between 11 and 15, X is a hydrogen atom or the residue of a monosaccharide or a disaccharide or phosphorylcholine and R represents an alkyl radical derived from a saturated or unsaturated aliphatic carboxylic acid having from 2 to 24 carbon atoms substituted by one or more polar groups.          The lysosphingolipid derivatives of the invention exhibit an inhibiting action on protein-kinase C activation and, thus, can be utilized in therapies for various pathologies of the nervous system.
Patent CA-2004827-A1 (CA)
Title: Apparatus and method for binary data transmission
Inventor: DINGEMAN DRAKE D
IPC: H03M5/12
Filed: 1989-12-07
Abstract: Abstract Of The Disclosure Apparatus and method for encoding data in an AC coupled bi-polar data transmission system.  A stream of binary data is encoded to produce first and second binary code signals for transmission on a pair of transmission lines.  Except as provided by the encoding technique, both binary code signals undergo a change of state for each data bit time.  The signal on one line undergoes a transition for each bit time except when the data signal is changing from zero to one.  The other transmission line undergoes a change of state for each bit time except when the data signal changes from one to zero.  Decoding of the transmitted signals is achieved by applying both signals to an exclusive OR gate.
Patent CA-2005066-A1 (CA)
Inventor: RICE ARTHUR W
IPC: C01B21/04
Filed: 1989-12-11
Abstract: Nitrogen gas of high purity is produced from compressed air by contacting the air with a first gas  membrane separator permitting oxygen to permeate therethrough selectively while restraining the passage of nitrogen.  The nonpermeant gas is then brought into contact with a second gas membrane separator of similar construction.  The use of the serially arranged separators provides nitrogen gas with very low levels of oxygen.
Patent CA-2006953-A1 (CA)
Title: Methods and compositions for treatment of pathological hydrophobic interactions in biological fluids.
Inventor: HUNTER ROBERT L
IPC: A61K31/765
Filed: 1989-12-29
Abstract: In accordance with the present invention, a method and composition is provided for treating pathological hydrophobic interactions in biological fluids in which there is acute impairment of the circulation, especially the microcirculation. More particularly, the present invention relates to compositions and methods for treating circulatory diseases comprising using certain ethylene oxide-propylene oxide condensation surface active copolymers either alone or in combination other compounds. The surface active copolymer can be an ethylene oxide-propylene oxide condensation product with the following general formula:      HO(C2H4O)b(C3H6O)a(C2H4O)b H wherein a is an integer such that the hydrophobe represented by (C3H6O) has a molecular weight of approximately 950 to 4000, preferably approximately 1750 to 3500, and b is an integer such that the hydrophile portion represented by (C2H4O) constitutes approximately 50% to 95% by weight of the compound.
Patent CA-2012553-A1 (CA)
Title: Lockslide
Inventor: DELMAR BORIS R
IPC: B65D83/00
Filed: 1990-03-20
Abstract: ABSTRACT          It is essential to  maximize the  use of  space allmost  in all instances,this   is  especially   true  in  certain   particular cases,such as;in this context,vending machines. This invention  which we will call "LOCKSLIDE"  will increase the numbers of round containers  in a given vending machine,and  what is as important,will prevent jamming,which  is one of the reasons space was not being exploited to the max.
Patent CA-2014248-A1 (CA)
Inventor: KIDD DENNIS R
IPC: B01D53/34
Filed: 1990-04-10
Abstract: ABSTRACT OF THE DISCLOSURE Hydrogen sulfide is removed from a fluid stream containing hydrogen sulfide and less than 500 ppm of free hydrogen by contacting the fluid stream under suitable absorbing conditions with an absorbing composition consisting essentially of A base material and nickel oxide. Said base material is selected from the group consisting of zinc oxide and zinc titanate, preferably combined with alumina.
Patent CA-2014523-A1 (CA)
Title: A device for withdrawing liquid from a reservoir by means of a water jet device
Inventor: VAN HATTEM JAN C
IPC: B65D77/06
Filed: 1990-04-12
Abstract: A device for attaching a water jet device to a concentrate container or a reservoir by means of a clamping device or a foot, comprising a connecting piece, in which the foot is arranged to be fixed and put into sealing abutment with the insert piece in one movement, for which purpose the connecting piece is provided externally with threaded parts designed to cooperate through a bayonet catch with a complementarily designed part of the foot. The container, which is designed as a flexible bag, may be provided with a base plate at the position of the connecting piece, said connecting piece being designed as an insert piece, so as to ensure that the outlet opening of the insert piece remains open.
Patent CA-2016241-A1 (CA)
IPC: F21L4/00
Filed: 1990-05-08
Abstract: The flashlight having a conductive barrel and a tailcap insert which provides for enhanced mechanical and electrical contact between the barrel and the batteries, provides for retaining a tailcap spring to the tailcap upon removal of the tailcap from the barrel, provides retainers to prevent the tailcap insert contacts from over radial extension and/or provides a one-way flow seal to permit outflow of gases produced during flashlight operation but to prevent ingress of material from ambient to within the battery housing.
Patent CA-2020269-A1 (CA)
Title: Data storage device for a digital data processing system
Inventor: DAVIS SCOTT H
IPC: G06F11/14
Filed: 1990-06-29
Abstract: ABSTRACT OF THE DISCLOSURE        The invention generally features a write history log that is used in the preferred embodiment to perform a management operation, such as a merge operation, on a shadow set.  The preferred  embodiment features a method of managing a shadow set of storage media accessible by one or more data sources, comprising the steps of: A. maintaining a log of information relating to locations within the shadow set storage media to which data is written from at least one of the data sources, and B. carrying out a management operation by: a.  accessing the log to determine information relating to one or more of the locations to which data has been written, and b. carrying out the management operation with respect to the one or more locations, based on the results of the step of accessing the log.  In the preferred embodiment, the information comprises the addresses of the locations to which the data was written and an identification of the source or sources from which data was written.  The management operation is carried out with respect to locations selected on the basis of the source from which data was written.  The information is stored in the log for data written to the shadow set over a predetermined period of time.  The information in the log relates to locations within the storage media to which data was written from a plurality of sources.     0191u
Patent CA-2020631-A1 (CA)
Title: Membrane separation system and method of operation
Inventor: BRESLAU BARRY R
IPC: B01D61/14
Filed: 1990-07-06
Abstract: Abstract An improved separation system and its method of operation for the separation of solutes, colloidal particles, or suspended matter from solutions or suspensions containing the same is disclosed. In a preferred embodiment, this invention relates to a simple and economic membrane filtration system that can be operated in many of the modes of operation of a membrane filtration system, especially suction backwashing, without mixing the filtrate with the feed stream.
Patent CA-2021219-A1 (CA)
Inventor: BERNARDIN LEO J
IPC: A61F13/15
Filed: 1990-07-16
Abstract: ABSTRACT OF THE DISCLOSURE            An absorbent web formed from inflated cellulose fibers said webs possessing improved vertical wicking properties compared to a similar web of cellulose fibers.  The webs have been found to be particularly well suited for use in forming absorbent products such as diapers and the like.  In one aspect of the present invention, the inflated cellulose fibers are generally free of a surface finish.  In a second aspect the inflated cellulose fibers are crosslinked.
Patent CA-2021576-A1 (CA)
Title: Agent for preventing and treating opacity of lens
Inventor: KAKIMOTO NORIHIRO
IPC: C07F7/30
Filed: 1990-07-19
Abstract: The present invention is to provide a highly effective agent for preventing and treating opacity of lens, containing the organic germanium compound represented by the formula (1);         (see fig. I) [wherein R1 to R3 represent hydrogen atoms,  lower alkyl groups each of which may be the same or different and selected from the group consisting of methyl group, ethyl group, etc., or phenyl groups substituted or unsubstituted;          X represents a hydroxyl group, an O-lower alkyl group, an amino group or O-Y+ {Y represents a metal such as sodium, potassium, etc., or a compound having a basic group such as lysozyme and basic amino acid, etc.}] or (2) a combination of the organic germanium compound and aminoguanidine.
Patent CA-2022402-A1 (CA)
Title: Process for the preparation of a sweetener based on aspartame, which is in a dry form similar to that of a lump of sugar
Inventor: CAILLER CHRISTIANE
IPC: A23L27/30
Filed: 1990-07-31
Abstract: ABSTRACT OF THE DISCLOSURE       The present invention relates to a process for the preparation of a sweetener based on aspartame, which is in a dry form similar to that of a lump of sugar.     According to the invention, this process comprises the preparation of a composition consisting in an aqueous dispersion of aspartame and at least one agent for modifying the texture, selected from polysaccharide with a high gelling power and monosaccharides or disaccharides with low calorific power, and the lyophilization of the resulting dispersion.     Application:  food industry; sugar substitute.
Patent CA-2022635-A1 (CA)
Title: 2,4-pentanedionemonosulfonic acid and method for preparing the same
Inventor: SANDLER STANLEY R
IPC: C07C309/04
Filed: 1990-08-03
Abstract: 2,4-PENTANEDIONEMONOSULFONIC ACID AND    METHOD FOR PREPARING THE SAME             Abstract of the Disclosure 2,4-pentanedionemonosulfonic acid is prepared by reacting chlorosulfonic acid with 2,4-pentanedione, preferably in the presence of an anhydrous solvent.  The method of this invention generally yields 2,4-pentanedionemonosulfonic acid in excess of about 75 percent.  The novel pentanedionesulfonic acid, 2,4-pentanedionemono-sulfonic acid (acetylacetone sulfonic acid) is disclosed.
Patent CA-2024448-A1 (CA)
Title: Recombinant dna expression system for aspergillus
Inventor: DEVCHAND MEDHAVINEE
IPC: C12N15/80
Filed: 1990-08-31
Abstract: ABSTRACT The invention relates to constitutive promoters useful to mediate gene expression in Aspergillus hosts. The promoters are derived from the Aspergillus nidulans aldA gene.
Patent CA-2027080-A1 (CA)
Title: Digital modulation technique
Inventor: VAN BEEK GARY
IPC: H04N1/405
Filed: 1990-10-05
Abstract: ABSTRACT      A digital  pulse with modulator is described for use with a Raster-scanning print engine in which a grey scale having a high number  of  levels,  typically  at  least  63,  is  described.   This modulator reduces the amount of information requiring processing in the input multiple bit image signal by simulating one of the least significant bits as a delay applied to modulate the output print engine signal pulse width.  With suitable speed components, a grey scale of at least about 255 levels can be provided.
Patent CA-2030259-A1 (CA)
Inventor: TENNEY LINWOOD P
IPC: C08L45/00
Filed: 1990-11-19
Abstract: ABSTRACT OF THE DISCLOSURE      Copolymers for use in preparing prepregs, which in turn are used to prepare printed circuit wiring boards are provided, as well as processes for producing the prepregs and wiring boards.   The copolymers comprise repeating units derived from cycloolefin monomers, e,g., norbornene-type monomers, e.g., dicyclopentadiene-type monomers.  Some of the monomers are silane-substituted while others are non silane-substituted.  The silane-substituted monomers provide copolymers which exhibit improved properties when employed as the copolymers in prepregs  for  printed  circuit  wiring boards.    For example,  improved  adhesion  is  achieved between the noncellulosic  substrate and the polymers of components used in the wiring boards.  These properties  include, but are not limited to improved dielectric properties, improved adhesion to glass cloth substrates, etc.
Patent CA-2030268-A1 (CA)
Title: Gas turbine control system having optimized ignition air flow control
Inventor: MUMFORD STEPHEN E
IPC: F02C7/266
Filed: 1990-11-19
Abstract: 55,297 Abstract of the Invention Method and apparatus for generating an ignition enabling signal for use with a given combustion turbine having an ignition system which ignites the turbine in response to an enabling signal, wherein a turbine speed signal is given, is shown to include a sensor for generating an ambient air temperature signal, a reference member for generating a reference signal representative of the turbine speed at which optimum air flow exists for ignition, a comparator for comparing the reference signal to an adjusted speed signal and for generating the ignition enabling signal when the adjusted speed signal exceeds the reference signal and for providing the enabling signal to the ignition system.  The adjusted speed signal is generated by modifying the turbine speed signal in response to the ambient air temperature signal.  Such modification is achieved by summing the turbine speed signal with a bias speed factor.  The bias speed factor is representative of the difference between optimum turbine ignition speed and that turbine speed necessary for optimum ignition air flow to exist in said combustion turbine at such ambient temperature.
Patent CA-2032376-A1 (CA)
Title: Dual component cracking catalyst and process with vanadium passivation and improved sulfur tolerance
Inventor: KENNEDY JAMES V
IPC: B01J29/42
Filed: 1990-12-17
Abstract: A dual component cracking catalyst system and process is disclosed comprising zeolite as a first component and a mixture of a calcium/magnesium-containing material and a magnesium-containing material as a second component. The preferred calcium/magnesium-containing material is dolomite and the preferred magnesium-containing material is sepiolite.
Patent CA-2032488-A1 (CA)
Title: High efficiency, high output compact cd ignition coil
Inventor: WARD MICHAEL A V
IPC: F02B75/02
Filed: 1990-05-12
Abstract: ABSTRACT OF THE DISCLOSURE    A high efficiency, high output, compact ignition coil parti-cularly suited for use in capacitive discharge,  multiple pulsing ignition  systems,  with about ten turns of primary (1) wire (Np) and about five hundred fifty turns of secondary (2) wire (Ns) for an  input voltage Vp of approximately 350 volts and a peak output voltage Vs of 30 kV,  the core and windings of the coil featuring separate and different primary (31) and secondary (41) core halves structured  on the basis of herein developed coil open and closed circuit  criteria  such that the core half  (31)  containing  the primary  winding has a large center post (32) of  cross-sectional area  AP with a narrow clot of width Wl around the post (32)  for winding  the  primary wire (1) to provide essentially  the  total required  coil leakage inductance Lpe of about 50 uH for an input capacitance  of about 5 uF and spark discharge frequency  fcc  of about  10 kHz,  and the secondary core (41) structured to have  a center post (42) of cross-sectional area AR about half that of AP to provide a much larger winding width W2 than W1 to  efficiently support  the many layered larger coil secondary winding (2) for a same  overall outer core diameter D of the golf comprising a  pot core or "E" type core structure.
Patent CA-2033184-A1 (CA)
Inventor: TURPIN MARC
IPC: G01C19/72
Filed: 1990-05-04
Abstract: L'interféromètre de l'invention, du type à fibre optique en anneau, à tête de mesure (16) reliée à une centrale de traitement distante (18) par des câbles, a un détecteur optoélectronique (17) déporté dans la centrale et relié à la tête de mesure par une fibre optique multimode (19).
Patent CA-2037141-A1 (CA)
Title: Hygienic toothbrush
Inventor: HSIEH KIN-SHUE
IPC: A46B17/04
Filed: 1991-02-26
Abstract: HYGIENIC TOOTHBRUSH     ABSTRACT OF THE DISCLOSURE           A hygienic   toothbrush,   which   has   a protective  strip  extending  over  the  bundles  of bristles of the brush head thereof from a hole in the brush handle.  The protective strip is broken off at its connecting end in the hole in the brush handle when it is in use,  such that one can easily identify if a toothbrush has been used.
Patent CA-2037970-A1 (CA)
Title: Germicidal composition
Inventor: FUNATSU RYOJI
IPC: A01N43/74
Filed: 1991-03-11
Abstract: GERMICIDAL COMPOSITION     Abstract A stabilized germicidal composition in the form of a solution is disclosed which includes a mixed solvent consisting of water and a water-soluble glycol compound having the following general formula:                  HO? X ? O - X ? O - Y wherein X stands for a divalent alkyl group, n is an integer of 0 or more and Y stands for a hydrogen atom, an alkyl group or an acyl group, the weight ratio of the glycol compound to the water being in the range of 95:5 to 20:80; 1-30 % by weight of an isothiazolone compound; and 1-40 % by weight of dibromonitrilepropionamide.
Patent CA-2039764-A1 (CA)
Inventor: LITTMANN RICHARD
IPC: B29D22/00
Filed: 1991-04-04
Abstract: ABSTRACT OF THE DISCLOSURE      An easy open tear control package, preferably a pouch, from a film of polymeric barrier material is disclosed.          Methods and films for making of such packages are also disclosed.  The easy open tear control feature arises from roughening portions of the outer or inner surface of the films, prior to fabricating into the package.  The roughened portion is on one face or on each face of the package and is at least a full width of a seal when the film is made into the package.  The roughened portion can extend the entire width of the package and can be of any desired length.  A preferred film is a continuous extrusion laminated film comprising, a plurality of superimposed layers which comprise from outer surface to inner surface, a first layer of polyester, a second layer comprising a vinylidene chloride copolymer, preferably a vinylidene chloride methyl acrylate copolymer, a third layer of ink, a fourth layer of primer, a fifth layer of low density polyethylene, a sixth layer of ethylene vinyl acetate, and seventh and eighth layers each of an ionmer resin.
Patent CA-2042195-A1 (CA)
Inventor: YEUNG WING Y
IPC: F27B17/00
Filed: 1991-05-09
Abstract: A cooking vessel includes a kettle partially surrounded  by  a vapour  jacket.    An  evaporator  for containing fluid is mounted to the kettle and includes a tubular portion and is in fluid communication with the jacket to act as a vapour source for the jacket and to receive condensed fluid from the jacket.   A burner is mounted to the kettle and located within the tubular portion of the evaporator.
Patent CA-2049701-A1 (CA)
Title: Evacuation or rescue device for a non-ambulatory person
Inventor: GRAF JORG W
IPC: A61G7/10
Filed: 1991-08-22
Abstract: ABSTRACT      An evacuation or rescue device for a bed-ridden or non-ambulatory person adapted to quickly secure the person to a movable underlying mattress or the like comprises two sheets deployable one from the head-end and one from the foot-end.  When deployed the head-end sheet meets the foot-end sheet over the persons chest or abdomen; the head-end sheet having an opening for the head.   The two sheets, which are interconnected underneath the mattress, are then tightened downwardly over the long sides of the mattress by means of looped ropes pulled one from the head-end side and the other from the foot-end side.   The ropes are self cleating when tightened and quickly secure the person in readiness  for rescue and evacuation by a single individual if necessary.
Patent CA-2050496-A1 (CA)
Title: Photocurable resin composition
Inventor: IKEDA NOBUO
IPC: C08F299/00
Filed: 1991-01-29
Abstract: ABSTRACT    A photocurable resin composition comprising (a) 100 parts by weight of a modified resin prepared by reacting an .alpha.,.beta.-unsaturated dicarboxylic acid anhydride adduct having a softening point ranging from 70 to 200 OC and derived from a conjugated diene polymer or copolymer having a number average molecular weight of 500 to 5000 and a vinyl group content of 50 mole % or above, with an .alpha.,.beta.-unsaturated monocarboxylic acid ester having a specific alcoholic hydroxy group to open at least 10 mole % of the acid anhydride rings present in the adduct, (b) inorganic or organic powder having an average particle diameter of not Larger than 5 µm or inorganic powder grafted with a hydrocarbon residue, and (c) a photopolymerization initiator.
Patent CA-2052122-A1 (CA)
Title: A method for stabilizing a detonable mixture of water-in-oil emulsion explosive and an and anfo prills
Inventor: MCKENZIE LEE F
IPC: C06B47/00
Filed: 1991-09-24
Abstract: The invention relates to a method for stabilizing a detonable mixture of emulsion and AN or ANFO prills. If the mixture involves ANFO prills, the steps comprise dissolving a surfactant in a liquid organic fuel prior to adding the fuel to AN prills, adding the fuel containing the dissolved surfactant to the AN prills to form ANFO prills and blending the ANFO prills with an emulsion to form a stable explosive composition. If AN prills are used, the steps include adding the surfactant to the prills and then mixing them with the emulsion. The compositions of the invention comprise stabilized emulsion explosives having a mixture of AN or ANFO prills and emulsion wherein the AN prills contain a surfactant and the ANFO prills comprise a mixture of AN prills and a liquid organic fuel in which a surfactant is dissolved.
Patent CA-2053913-A1 (CA)
Title: Microspheres for the controlled release of water-soluble substances and process for preparing them
Inventor: WANTIER HENRI
IPC: A61K9/50
Filed: 1991-02-18
Abstract: The object of the present invention is a process for preparing microparticles of the microsphere type of a water-soluble substance and a biocompatible and biodegradable polymer controlling the release kinetics of said substance, consisting of a matrix of said polymer within which said water-soluble substance is regularly dispersed, in which: (a) said polymer is dissolved in a first volatile organic solvent not miscible with water; (b) said water-soluble substance is dissolved in a second solvent miscible with the first, is a solvent of a polymer and miscible with water; (c) the solution of said substance and that of said polymer are mixed; (d) an organic phase of the polymer and said substance which is then emulsified in a non-miscible dispersant medium consisting of an aqueous phase containing an emulsifying agent; (e) the two solvents are then eliminated from the microspheres being formed, the first by evaporation and the second and a part of the first miscible therewith by transition to the aqueous phase by a phase separation mechanism; (f) after the sovlents have been eliminated, the microspheres formed are recovered, possibly after washing in water and sieving.
Patent CA-2056039-A1 (CA)
Title: Carbacyclin analogs
Inventor: FUCHS PHILIP L
IPC: C07F7/18
Filed: 1991-11-22
Abstract: ABSTRACT OF THE DISCLOSURE        Carbacyclin analogs that exhibit platelet aggregation inhibition activity and other biological activites common to structurally related prostacyclins are provided.     4421p/5290p