baber/WOPTO huggingface dataset:
Patent CA-2060139-A1 (CA)
Title: Triazole derivative
Inventor: BAKER RAYMOND
IPC: C07D417/06
Filed: 1992-01-28
Abstract: A class of substituted imidazole, triazole and tetrazole derivatives are selective agonists of 5-HT1-like receptors and are therefore useful in the treatment of clinical conditions, in particular migraine and associated disorders, for which a selective agonist of these receptors is indicated. <CHEM> wherein the broken circle represents two non-adjacent double bonds in any position in the five-membered ring; two, three or four of V,W,X,Y and Z represent nitrogen and the remainder represent carbon provided that, when two of V,W,X,Y and Z represent nitrogen and the remainer represent carbon, then the said nitrogen atoms are in non-adjacent positions within the five-membered ring;   A<1>   represents hydrogen, methyl, ethyl, benzyl or amino; A<2>   represents a non-bonded electron pair when four of V,W,X,Y and Z represent notrogen and the other represents carbon; or, when two or three of V,W,X,Y and Z represent nitrogen and the remainder represent carbon, A<2> represents hydrogen, methyl, ethyl, benzyl or amino; E   represents a bond or a straight or branched alkylene chain containing from 1 to 4 carbon atoms; F   represents a group of formula <CHEM>   U   represents nitrogen or C-R<2>; B   represents oxygen, sulphur or N-R<3>; R<1>   represents -CH2.CHR<4>.NR<6>R<7> or a group of formula   <CHEM> in which the broken line represents an optional chemical bond; and R<2>,R<3>,R<4>,R<5>,R<6> and R<7> independently represent hydrogen or C1-6 alkyl.
Patent CA-2062118-A1 (CA)
Title: Method and apparatus for multimedia data interchange in a data processing system
Inventor: BONSALL GORDON W
IPC: H04L29/08
Filed: 1992-03-02
Abstract: ABSTRACT OF THE DISCLOSURE   METHOD AND APPARATUS FOR MULTIMEDIA DATA INTERCHANGE IN                     A DATA PROCESSING SYSTEM          A method for multimedia data interchange in a data processing  system.   A  sequential  data  stream  is established  which  includes  multiple  variable  length consecutive  sections,  each of which includes multiple data samples.   Each data sample preferably includes a collection of data and a control  structure or header which is utilized to specify a manner of interpreting the collection of data.   The  control  structure preferably includes information regarding the size of the collection of data, the resolution and duration of the collection of data,  the manner of data collection employed and the encoding technique utilized, if any. This sequential data stream is then transmitted throughout a distributed data processing system utilizing various personal computers or interactive work stations, permitting multimedia data to be efficiently interchanged.
Patent CA-2066605-A1 (CA)
Title: Reactant concentration control method and apparatus for precipitation reactions
Inventor: JEROME NORMAN F
IPC: G03C1/015
Filed: 1991-08-09
Abstract: A method and an apparatus for controlling reactant ion concentration within a precipitation vessel to optimize the reactions occurring therein is disclosed. In one important implementation, the reactant controlled comprises halide ion in a reactor during the precipitation and growth of silver halide grains. In this embodiment, the method includes measuring the amount of halide ion within the precipitation vessel; measuring the flow rates of the halide feed stream and the silver feed stream; storing the measured halide ion concentration and measured feed stream flow rates;  computing an estimated halide ion concentration value as a function of the stored measured halide ion concentration and measured feed stream flow rates; and adjustably controlling the amount of halide ion added to the precipitation vessel as a function of this estimated halide ion concentration value. Preferably, N most recent measured halide ion concentrations and measured halide and silver feed stream flow rates are stored and used in determining the estimated balide ion concentration. Mathematical algorithms are derived herein to facilitate the computation of the estimated halide ion concentration and the necessary flow rate adjustment.  Analogous apparatus is also provided herein.
Patent CA-2067836-A1 (CA)
Title: Process for preparing 3-alkenylidene-1,1-bisphosphonates
Inventor: MAGNIN DAVID R
IPC: C07B61/00
Filed: 1992-04-30
Abstract: Abstract PROCESS FOR PREPARING 3-ALKENYLIDENE-1,1-BISPHOSPHONATES         A process is provided for preparing a 3-alkenylidene-1,1-bisphosphonate which is an inter-mediate for preparing an inhibitor of the enzyme squalene synthetase and therefore useful as an inhibitor of cholesterol biosynthesis, or which bisphosphonate itself is useful as an inhibitor of cholesterol biosynthesis.  The process involves the palladium catalyzed coupling of an allylic ester with a tetraester of a methylenebisphosphonate to form a 3-alkenylidene-1,1-bisphosphonate containing an alkene moiety located ?, .delta. to the phosphonates.
Patent CA-2069229-A1 (CA)
Title: Automatic bleed valves
Inventor: CASSIDY RONALD F
IPC: F15B21/044
Filed: 1992-05-22
Abstract: ABSTRACT OF THE DISCLOSURE     An  automatic bleed  valve  bleeds  gas  from  a  liquid reservoir.   It  comprises  a  housing  having  a  passage extending between an inlet and an outlet with the passage including a bore in which a piston is slidably received.          The   piston  includes   a   capillary   providing   fluid communication between the inlet and a chamber formed in the passage  adjacent  the outlet.   The piston is biased into an upstream position in which gas entering the inlet passes through the capillary to the chamber and thence to the outlet.   However,  the passage of  liquid through the capillary so increases the pressure drop across the piston as to move the piston to a downstream position in which the  piston  closes  the  outlet  to  prevent  communication between  the  chamber  and  the  outlet,  thus  closing  the valve.  A downstream end of the piston is located in the chamber and has a greater area than the upstream end of the piston so that when the piston is in the downstream position the pressure of liquid in the chamber acting on the greater area maintains the valve closed, thus allowing the  valve  to  accommodate  pressure  fluctuations  in  the reservoir.  By a suitable reversal of parts, the valve can be used to bleed liquid from a pressurized gas reservoir.
Patent CA-2069383-A1 (CA)
Inventor: WEIH MARK A
IPC: C08F2/44
Filed: 1992-05-25
Abstract: A butadiene polymer latex is prepay ed by emulsion polymerizing appropriate monomers in the presence of polyvinyl alcohol and a stabilizing solvent. The butadiene polymer can be a butadiene homopolymer, copolymer or terpolymer prepared from butadiene monomers and optional comonomers such as .alpha.-haloacrylonitrile and acrylic acid. The butadiene polymer latices can be prepared without problems of coagulation and can be utilized effectively in adhesive compositions without the use of volatile solvents. Adhesive bonds prepared from the butadiene polymer latices also avoid the side effect problems associated with polymers prepared utilizing conventional surfactant-based emulsion polymerization techniques.
Patent CA-2069526-A1 (CA)
Title: Anionic/cationic polymer mixture for scale inhibition
Inventor: BENDIKSEN BEVERLY
IPC: C02F5/10
Filed: 1992-05-26
Abstract: TITLE OF TEE INVENTION ANIONIC/CATIONIC POLYMER MIXTURE FOR SCALE INHIBITION            ABSTRACT OF THE DISCLOSURE    An anionic/cationic polymer mixture comprising (a) polyacrylic acid having a weight average molecular weight of from about 1-5 thousand, and (b) poly(dimethyldiallylammonium chloride) having a weight average molecular weight of from about 25 thousand to 1 million, wherein the weight ratio of (a) to (b) is from 1:1 to 1:8, has been found to give excellent inhibition of the formation and adherency of calcium carbonate scale, especially at elevated pH's of 8.5 - 9.5 and high saturation levels of calcium carbonate.
Patent CA-2070022-A1 (CA)
Title: Linear viscoelastic aqueous liquid automatic dishwasher detergent composition
Inventor: DIXIT NAGARAJ S
IPC: C11D3/08
Filed: 1992-05-29
Abstract: LINEAR VISCOELASTIC AQUEOUS LIQUID AUTOMATIC DISHWASHER DETERGENT COMPOSITION                 ABSTRACT OF THE DISCLOSURE      Automatic dishwasher detergent composition is formulated as a linear viscoelastic, pseudoplastic, gel-like aqueous product of exceptionally good physical stability in exposed daylight, low bottle residue, low cup leakage, and improved cleaning performance, Linear viscoelasticity and pseudoplastic behavior is attributed by incorporation of cross-linked high molecular weight polyacrylic acid type thickener.  Potassium to sodium weight ratios of at least 1/1 minimize amount of undissolved solid particles to further contribute to stability and pourability.  Control of incorporated air bubbles functions to provide the product with a bulk density of 1.35 to 1.40 g/cc which roughly corresponds to the density of the liquid phase.  An aluminosilicate zeolite in the composition improves physical stability.
Patent CA-2070074-A1 (CA)
Inventor: HORNE FRANK L SR
IPC: F24H1/00
Filed: 1992-05-29
Abstract: An apparatus and method for providing a hot water supply for a building such as a mobile home, house, or business.  A hot water storage tank is positioned within the building.  A gas-fueled burner is positioned outside the building adjacent a heat exchanger which is connected in fluid communication with the indoor water storage tank.  A pump circulates water from the tank through the heat exchanger and back into the tank responsive to a thermostat in the tank. The heat exchanger includes a thermostat for sensing the temperature of water therein to activate the pump and circulate relatively warm water from the tank through the heat exchanger to prevent freezing of water within the heat exchanger, such as during winter months when the ambient temperature falls below freezing.  The gas heater may be used to convert a conventional electric water heater to operate from gas which is combusted outside of the building.
Patent CA-2071990-A1 (CA)
Inventor: ARVIDSSON THOMAS
IPC: F16D65/28
Filed: 1990-12-18
Abstract: A force actuator arrangement comprises a force generating member performing an oscillating movement, preferably a rod (7) of magnetostrictive material, force transmitting means -in a disc brake arrangement a caliper (4, 5)-, and a device (8, 9) for transforming the oscillating movement to a unidirectional application movement of the force transmitting means. The oscillation frequency of the force generating member is higher than the natural frequency of the force transmitting means for enabling the movement transforming device to transmit the movement only during each oscillation stroke in the application direction.
Patent CA-2073528-A1 (CA)
Inventor: KOTAKE SIRO
IPC: H04M3/487
Filed: 1992-07-09
Abstract: In a personal communication system in which a call is  originated from a  calling  side  terminal  equipment using number information allocated to a called person and the  call  is  processed  on  the  called  side  terminal equipment  as  a  personal  call,  the  system  comprises absence notifying section disposed on the called side terminal  equipment,  for  sending  absence  notify information to the calling side terminal equipment when a predetermined absence notify request is entered during the processing of the personal call.   Therefore, when a personal  call  is  incoming,  if  the  designated  called person is absent, the calling person can recognize the absence  of  the  called  person  and  then  can  select cancellation  of  the  personal  call,  proxy  answer  by another  person,  or  transfer  of  the  personal  call, according to the calling person's will.
Patent CA-2074184-A1 (CA)
Title: Practical synthesis of 2'-deoxynucleosides and 2',3'-dideoxy-2'3'-didehydronucleosides
Inventor: CHU CHUNG K
IPC: C07H19/06
Filed: 1991-01-02
Abstract: A method for the preparation of 2'-deoxynucleosides and 2',3'-dideoxy-2',3'-didehydronucleosides that includes the step of reacting a nucleoside having hydroxyl groups in the 2' and 3' positions with a mixture of acyl bromide or chloride and HX, wherein X is Br or Cl, at moderate temperature, to give a haloacyl nucleoside derivative that can be deprotected and reduced to form the desired compound.
Patent CA-2074831-A1 (CA)
Title: Vibration isolation support mounting system
Inventor: TOBIAS JAROMIR
IPC: B60K17/10
Filed: 1991-02-01
Abstract: 2074831 9111341 PCTABS00006 A continuously active pressure accumulator power transfer system for a vehicle or the like comprises an engine (46), a pump (48) driven by the engine, a main pressure accumulator (50) maintained at a substantially constant fluid pressure and fluid volume by the pumping during operation, a fluid motor (58) for propelling the vehicle which is supplied with driving fluid pressure from the main pressure accumulator and a second pressure accumulator (62) at a lower pressure than the main accumulator for supplying fluid to at least one vibration isolation mount (70).
Patent CA-2074851-A1 (CA)
Title: Standard and reverse collator
Inventor: EDWARDS ROBERT J
IPC: B65H29/14
Filed: 1992-07-29
Abstract: IMPROVED STANDARD AND REVERSE COLLATOR     Abstract of the Invention In a reversible collating machine for stacking sheets of paper fed seriatim thereto from a singulating feeder in the same or reverse order as the sheets appear in the singulating feeder, the collating machine comprising a plurality of upper and lower belts suspended over a plurality of pulleys, each of the belts having an upper and lower reach wherein the lower reach of the upper belts and the upper reach of the lower belts frictionally engage and transport the sheets of paper, a plurality of upper ramp guide blocks secured to a frame, wherein each of the upper ramp guide blocks includes at least two idler rollers for defining a path for the upper belts, an improvement comprises a removable idler roller shaft having rotatably mounted thereto one of the idler rollers for each of the upper ramp guide blocks, wherein each of the upper ramp guide blocks has a first slot in which the idler roller shaft rests and a second slot perpendicular to the first slot in which the one idler roller rotatably fits when the idler roller shaft is placed in the first slot, wherein the lower reach of each upper belt is routed over the one idler roller for reverse order collation and wherein the lower reach of each upper belt is bypasses the upper ramp guide block for same order collation, the idler roller shaft being removable for routing the lower belt for same or reverse collation.
Patent CA-2075222-A1 (CA)
Title: Modular reclining chair and method
Inventor: HABEGGER DOUGLAS A
IPC: A47C1/034
Filed: 1992-07-31
Abstract: A modular reclining chair and method for assembling it are disclosed. The modular reclining chair includes a simplified actuation mechanism which significantly reduces system complexity and weight while providing improved comfort to the seat occupant. The construction is such that the pre-assembled actuation mechanism is integrally suspended from and interdependent with box-like modular frame components. In this manner, the frame components can be upholstered prior to final assembly with the actuation mechanism. <IMAGE>
Patent CA-2076856-A1 (CA)
Title: Process for the production of lithium hypochlorite
Inventor: DUNCAN BUDD L
IPC: A61L2/18
Filed: 1991-02-28
Abstract: A process for producing lithium hypochlorite which admixes an aqueous hypochlorous acid solution, having a concentration of 35 percent or greater by weight of HOC1, with an aqueous slurry of lithium hydroxide at a temperature in the range of from about 0· to about 20· to produce a solution of substantially pure lithium hypochlorite. The lithium hypochlorite solutions produced can be dried directly or concentrated by cooling. The solid lithium hypochlorite produced is a highly pure source of available chlorine.
Patent CA-2079377-A1 (CA)
Title: Crosslinking curable resin composition
Inventor: KUSHI KENJI
IPC: H05K3/00
Filed: 1992-09-29
Abstract: ABSTRACT OF THE DISCLOSURE     A photopolymerizable or radiation polymerizable alkaline developing crosslinking curable resin composition possessing superior antiplating properties and a short stripping period, in which the stripped plate is not easily dissolved in the stripping fluid, and which is comprising:     (a)  5-30 parts by weight of at least one compound possessing in one molecule on the average 1.5 or more (meth)acryloyloxy groups, which is obtained by reacting (meth)acrylic acid with a reaction product formed by adding, to a polyatomic alcohol possessing 3 or more OH groups in one molecule, an alkylene oxide containing propylene oxide in an amount of 67% molar or greater in an amount of 5-12 moles per mole of OH group in the aforementioned polyatomic alcohol, (b)  5-30 parts by weight of at least one crosslinkable monomer other than that stated above in (a), possessing in one molecule 2 or more ethylenically unsaturated groups, (c)  45-75 parts by weight of a thermoplastic polymer for use as a binder, the thermoplastic polymer in turn being formed of 15-35 wt % of at least one .alpha.,.beta.-unsaturated carboxyl group containing a monomer having 3-15 carbon atoms, and 65-85 wt % of another copolymerizable monomer, and (d)  0-10 parts by weight of a photopolymerization initiator.
Patent CA-2079579-A1 (CA)
Title: Co-microagglomeration of emulsion polymers
Inventor: KEMPNER JAMES S
IPC: C08L33/00
Filed: 1992-09-30
Abstract: ABSTRACT OF THE INVENTION Core/shell additives, useful in modifying the processing and/or physical properties of poly(vinyl chloride) and other thermoplastic matrix polymers, are prepared separately at small particle sizes by emulsion polymerization, co-agglomerated, further encapsulated by a final shell, and isolated by spray-drying or coagulation. The isolated powders are readily re-dispersed to their original particle sizes in the matrix polymer.
Patent CA-2080096-A1 (CA)
Inventor: SHEA EDWARD M
IPC: B01D24/24
Filed: 1992-10-07
Abstract: A self-supporting modular underdrain member for use in a liquid filtration system comprises a main body or housing including a pair of longitudinally extending inclined walls which may have a pair of generally triangular transverse walls connecting the inclined walls to one another, the inclined walls each being provided with a pair of longitudinally extending recesses and a plurality of orifices communicating with each of the recesses. A pair of flanges are connected to the inclined walls for attaching the underdrain body to a floor surface so that the inclined walls, any transverse walls and the floor surface define a cross-sectionally triangular underdrain chamber. Two pairs of elongate cover plates are attached to the inclined walls over the recesses to form in each of the inclined walls a pair of longitudinally extending plenums for the equalization of backwash air and water flow. Each of the cover plates being provided with a plurality of spaced slots. <IMAGE>
Patent CA-2080547-A1 (CA)
Title: Device and method for mixing peat and sludge
Inventor: HAKASALO HARRI
IPC: B01F15/02
Filed: 1992-10-14
Abstract: (57)Abstract A method and mixer for mixing peat and sludge into a homogenous mass,  in  which method  the  peat  and  sludge  is  mixed  by pressurizing the pre-mixed mass for some time, when the sludge is absorbed by and bound in the peat. The mixer in accordance with the invention includes a silo (1) and a screw conveyor (4) located beneath it, from which the mass is squeezed out through a nozzle (10).
Patent CA-2080593-A1 (CA)
Title: Blocking the effect of teratogens on a fetus
Inventor: GEBER WILLIAM F
IPC: A61K31/70
Filed: 1991-05-07
Abstract: By administration of sulfated cyclodextrin on a pregnant mother, the effect of a teratogen on a developing fetus is blocked.  Blocking the effect of the teratogen reduces congenital defects in a developing fetus. The sulfated cyclodextrin has also been found to reduce the effect of the teratogen on a host. The sulfated cyclodextrin is administered either before or after onset of organogenesis and either before or after exposure to the teratogen.  Teratogens include radiation, temperature extremes, chemicals, drugs, bacteria, viruses, hormones, stress, injury, pregnancy and fatigue.
Patent CA-2080901-A1 (CA)
Title: Snap-in self holding disc tumbler construction
Inventor: MYERS GARY L
IPC: E05B9/08
Filed: 1992-03-16
Abstract: An improved combinating tumbler lock including a lock plug having snap-in self holding combinating tumblers. The bia-sing siring (46) first is inserted into a combinating tumbler slot (16) in the plug. The combinating tumbler (20) then is tilted and pressed into the slat (16) compressing the spring (46) longitudinally and laterally until the combinating tumbler retaining decent (24) passes over the retaining edge (40) in the opposite slot wall. The combinating tumbler then snaps into the slot, held in the op-erating position by the spring. The combinating tumbler can be removed by the opposite operation, when desired.
Patent CA-2081531-A1 (CA)
Title: Cooking fuel container and burner
Inventor: KIEFER NATALIE R
IPC: F24C5/20
Filed: 1992-10-27
Abstract: A cooking fuel device includes a fuel container and a wick supporting member positioned at the tap of the container. The wick supporting member substantially closes the fuel container and contains at least one aperture to communicate with the interior of the container. A wick formed from a piled fabric includes a burn portion and a fuel feed portion. The fuel feed portion extends through the aperture into the full in. the container. A cover having a central aperture is positioned over the top of the container to define the burn area on the wick. A peelable lid is adhesively attached to the cover and the wick which when removed will raise the pile on the wick.
Patent CA-2082630-A1 (CA)
Title: Folded sheet articles
Inventor: MCDONALD GEORGE W
IPC: B42D15/00
Filed: 1992-03-10
Abstract: A folded sheet article (20) comprises a sheet (22) of material having mutually transverse sets of concertina folds (24, 26) and two diagonally opposite stiff portions (28, 30) at respective corner segments (32, 34) of the sheet (as disclosed in prior British Patent Specification 2173448 B) and has a pocket (40) at at least one of said segments (32, 34). Pocket (40) may be formed separately, may comprise said stiff portion (28), which may be folded back onto itself to form said pocket (40), or may (alone or together with said portion (28), be formed from said sheet (22). The stiffening may be provided by a removable card (58) in pocket (40). Such card (58) may bear coded information (60) related to information (62) borne by sheet (22). Pocket (40) may have means (64) to retard egress of a card (58). Sheet (22) may have pockets (40, 41) on either side, or pocket (40) may have sheets (22, 23) (with stiffening (30, 31)) on either side and then be provided with differential gripping means (66) along the edges to enable opening selectively of the sheets (22 or 23). In a particular method of manufacture, sheet material (70) is glued at the sides on both faces and at one end with glue strips (72 to 80), then folded over stiff portion (28) to form pocket (40), and this is then placed onto said sheet (22) to attach thereto.
Patent CA-2083204-A1 (CA)
Title: Adhesion prophylaxis
Inventor: SEMM KURT O PROF DR MED
IPC: A61B90/00
Filed: 1992-11-18
Abstract: The invention relates to a mechanical adhesion prophylaxis for endoscopic interventions in which a double-walled film is rolled onto a film applicator and introduced into the body cavity. In the body cavity, the double-walled film is inflated like an air cushion and thus prevents post-operative adhesion of deperitonised areas. The air cushion-like adhesion prophylaxis can be fixed in the body cavity by fixing regions. <IMAGE>