baber/WOPTO huggingface dataset:
Patent CA-2041241-A1 (CA)
Title: Traffic flow measuring method and apparatus
Inventor: TAKATOU MASAO
IPC: G08G1/065
Filed: 1991-04-25
Abstract: Abstract Methods and apparatus accurately measure traffic flow, i.e. the flow of vehicles within and near a crossing.  Overlap of vehicles is avoided by setting the field of a camera not to a range from the inflow portion to the vicinity of the center of the crossing, but to a range from the center to the vicinity of the outflow portion of the crossing.
Patent CA-2042708-A1 (CA)
Title: Copolymer-containing compositions from substituted triazine-capped polyphenylene ethers
Inventor: PHANSTIEL OTTO
IPC: C08L67/00
Filed: 1991-05-16
Abstract: COPOLYMER CONTAINING COMPOSITIONS FROM SUBSTITUTED TRIAZINE-CAPPED POLYPHENYLENE                 ETHERS                          Abstract Substituted alkoxy- or alkylthiochlorotriazines wherein the substituents on the alkoxy groups are chlorine, bromine or dialkylphosphato are useful as capping agents for polyphenylene ethers.  The capped polyphenylene ethers form copolymers with other polymers containing nucleophilic groups, including polyesters, polyamides and functionalized olefin polymers.  Such copolymers serve as compatibilizers in the formation of blends having high impact strength.
Patent CA-2042836-A1 (CA)
Title: Process for the continuous bulk production of acrylic polymers
Inventor: RELVINI PASQUALE
IPC: C08F20/12
Filed: 1991-05-17
Abstract: A process for the continuous bulk production of acrylic polymers which comprises: a. continuously feeding a polymerization reactor with a re-action mixture containing at least a polymerization ad-juvant selected from solvents of the acrylic polymer, preferably from the C1-C10 alkyl esters of organic acids R-COOH, wherein radical R represents a hydrogen atom or an alkyl radical containing from 1 to 6 carbon atoms, b. partially converting the_reaction mixture at high tem-perature, and C. devolatilizing the partially converted polymer at high temperature and reduced pressure.
Patent CA-2043253-A1 (CA)
Title: Cyclodextrin complex
Inventor: KAMEI SHIGERU
IPC: A61K31/335
Filed: 1991-05-24
Abstract: A complex of a fumagillin derivative represented by the general formula:    wherein R1 is hydrogen; R2 is halogen, N(O)mR5R6, N+R5R6R7 .cndot. X-, S(0)nR5 or S+R5R6 .cndot. X- (wherein R5, R6 and R7 are independently an optionally substituted hydrocarbon or heterocyclic group; X- is a counter anion; m is an integer of 0 or 1; n is an integer from 0 to 2; and R5 and R6 together with the adjacent nitrogen or sulfur atom may form a nitrogen- or sulfur-containing heterocyclic group which may be substituted and form a condensed ring); or R1 and R2 together represent a bond; R3 is 2-methyl-1-propenyl group or isobutyl group; A is 0 or NR8 (wherein R8 is hydrogen or an optionally substituted lower alkyl or aryl group); R4 is hydrogen, an optionally substituted hydrocarbon group or an optionally substituted acyl group); or a salt thereof, with an optionally etherified cyclodextrin is disclosed. The present invention also provides an antineoplastic agent containing the complex.
Patent CA-2047892-A1 (CA)
Title: A method of applying a substance to an article
Inventor: KRUGER LEON J
IPC: B05C11/10
Filed: 1991-07-25
Abstract: Apparatus 200 for applying particulate flowable super-absorbent or anti-absorbent substance to an article comprises a metering component 202 rotatable about an axis. A plurality of circumferentially spaced metering chambers are provided in this component. The apparatus includes feed means 18 for depositing the flowable substance successively in the chambers in a loading zone as the chambers move through the loading zone on rotation of the metering component so that each chamber contains a fixed quantity of the substance as it passes from the loading zone. The apparatus also includes vacuum extraction means 50 for extracting the quantities of the substance successively from the chambers in a discharge zone spaced from the loading zone and application means for applying the extracted quantities of substance to an article.
Patent CA-2048286-A1 (CA)
Title: Optical resolution method
Inventor: KAWASHIMA MASATOSHI
IPC: C07C39/38
Filed: 1991-08-01
Abstract: ABSTRACT OF THE DISCLOSURE      The present invention provides three optical resolution methods. The first aspect comprises the steps of adding an optically active bifunctional resolving reagent to a bifunctional compound to form a liquid material, precipitating crystals therefrom, treating the crystals and the liquid material separately with an acidic material, a basic material, or a basic material and an acidic material, to obtain a pair of enantiomers of an optically active bifunctional compound. The second aspect comprises an optical resolution method by which one necessary enantiomer of a pair of enantiomers in an optically active bifunctional compound is exclusively obtained. The third aspect comprises a method for racemizing one unnecessary enantiomer of a pair of enantiomers in an optically active bifunctional compound which is formed by the optical resolution method of the present invention.
Patent CA-2049116-A1 (CA)
Title: Toughened epoxy matrix with improved damage tolerance and temperature performance
Inventor: BABAYAN EDUARD P
IPC: C08L63/00
Filed: 1991-08-13
Abstract: The subject invention relates to a toughened epoxy matrix formulation comprising at least two epoxy components, an amine hardener and about 10%-25% of a micropulverized polyimide thermoplastic having a molecular weight of from about 20,000 to about 100,000 and Tg of at least about 220°C.     The invention further relates to a process for preparing a toughened epoxy matrix formulation comprising: a. preheating a blend of at least two epoxy compounds to a temperature of about 130°F to about 140°F; b, blending into the epoxy blend from step (a) a micropulverized polyimide thermoplastic; c. mixing the blend of epoxy and thermoplastic at a temperature of about 110°F to about 130°F; and d. adding to the blend of epoxy and thermoplastic an amine hardener and mixing at about 110°F to about 130°F until a low mix viscosity is obtained.     The invention also relates to a prepreg prepared from the above-specified novel epoxy matrix formulation and appropriate reinforcements and a process for producing such prepregs.
Patent CA-2053028-A1 (CA)
Inventor: TANIZAWA HIDEICHI
IPC: G05D1/02
Filed: 1991-10-08
Abstract: A  carriage  running control  system  includes  a plurality  of  readable  and  writable  memory   media installed  along a running track of  carriages.   Each carriage is capable of communicating information  with the memory media.  The running track includes  special zones  such  as curved sections,  branching  sections, merging  sections,  and sections  including  stations. When  a preceding carriage is present in one  of  such special zones, the memory medium disposed at the entry end  of this zone supplies presence information  to  a succeeding   carriage  to  prevent  the  latter   from entering the zone.  A detector is disposed at the exit end  of each such zone for detecting departure of  the carriages and resetting the memory medium at the entry end.
Patent CA-2054832-A1 (CA)
Inventor: LUNDIN RUNE
IPC: A42B3/16
Filed: 1991-11-01
Abstract: An ear-protection cup for ear muffs or headphones compri-sing a cup-shaped frame and a resilient sealing membe located at the peripheral edg thereof, by means of which the ear-protection cup can be brought into abutment with an annular shaped part of a user's head located around the ear. The frame is composed of a rigid, cup-shaped outer shell and an inner wall spaced from the outer shell and extending for a substantial way between the inner parts of the outer shell to which it is rigidly connected. The inner wall  thus defines between itself and the outer shell  an intermediate space in which a layer of elastomeric material is arranged compressed between the outer shell and the inner wall.
Patent CA-2055604-A1 (CA)
Inventor: KLAVENESS JO
IPC: A61K49/08
Filed: 1990-07-19
Abstract: There is provided a contrast medium comprising a physiologically tolerable paramagnetic metal species containing substance together with a water soluble iodinated X-ray contrast agent.
Patent CA-2056479-A1 (CA)
Title: Process of forming titanium aluminide containing chromium, tantalum, and boron
Inventor: HUANG SHYH-CHIN
IPC: C22F1/00
Filed: 1991-11-28
Abstract: A method for providing improved ductility in a gamma titanium aluminide is taught. The method involves adding inclusions of boron to the titanium aluminide containing chromium and tantalum and thermomechanically working the casting. Horon additions are made in concentrations between 0.5 and 2 atomic percent. Fine grain equiaxed microstructure is found from solidified melt. Prop-erty improvements are achieved by the thermomechanical processing.
Patent CA-2057211-A1 (CA)
Title: Inductive cooking device
Inventor: RILLY GERARD
IPC: H05B6/12
Filed: 1991-12-06
Abstract: Hannover, Dec. 10, 1990 PTL-Wp/wi      H 90/094 ABSTRACT 1.      Inductive cooking device 2.1. It is known that an inductive cooking device generates considerable perturbing radiation caused by the basic wave and, in particular, by the upper harmonic waves of the operating frequency which (radiation) can interfere with, among other things, the reception of radio broadcasts.  The task is to reduce the perturbing radiation from the cooking device using simple means.   2.2.    A coil (2), the ends of which are connected via a capacitor (C), is located in the region of the opening (4) between the actual cooking (hot) plate (1) and a shielding housing (3).   2.3.    In particular for inductive cooking devices with reduced perturbing radiation 3.      Fig. 1
Patent CA-2058178-A1 (CA)
Title: Substituted pyrazines, pyrimidines and pyridazines for use in the treatment of glaucoma
Inventor: LOTTI VICTOR
IPC: C07D453/02
Filed: 1991-12-20
Abstract: ABSTRACT      SUBSTITUTED PYRAZINES,  PYRIMIDINES AND PYRIDAZINES        FOR USE IN THE TREATMENT OF GLAUCOMA           A class of pyrazine, pyrimidine and pyridazine derivatives, substituted by a non-aromatic azabicyclic ring system and optionally by up to two further substituents, is of use in the preparation of medicaments, especially formulations adapted for topical administration to the eye, suitable for the treatment of glaucoma and/or for reducing intraocular pressure.
Patent CA-2058216-A1 (CA)
Title: Enzymatic process for preparing 7-aminocephalosporanic acid and derivatives
Inventor: CAMBIAGHI STEFANO
IPC: C07D501/00
Filed: 1991-12-20
Abstract: Transformation of Cephalosporin C or its derivatives and salts into 7-aminocephalosporanic acid or its derivatives by an enzymatic two stage process with enzymes immobilized on a solid matrix.
Patent CA-2060331-A1 (CA)
Title: Enhanced vacuum assisted toilet
Inventor: HENNESSY ARNOLD
IPC: E03D5/00
Filed: 1992-01-30
Abstract: ENHANCED VACUUM ASSISTED TOILET    ABSTRACT OF THE DISCLOSURE A water saver toilet is provided, of the type that applies  a vacuum to  the  toilet  bowl  outlet  to  assist flushing, which can apply a considerable vacuum in a toilet of low height.  The vacuum source (60, Fig. 1) is coupled to the pressured water inlet (44) that supplies water under a pressure of a plurality of pounds per square inch to fill the tank after each flushing, with the pressure of the water being used to energize the vacuum source.  A prior art type of tank inlet valve (16) is used, of the type that has a float (42) that drops and opens the valve when the tank water level drops at the beginning of flushing.  The opening valve directs pressured water through a conduit (72) to the vacuum source to energize it to apply a vacuum shortly after the tank water level drops.   The vacuum source includes an actuator (76, Fig. 3) with a plunger (84) that is lifted by pressured water  flowing  into the actuator,  the plunger lifting a diaphragm (90). to produce a vacuum in a chamber (92) that is coupled to the toilet bowl outlet.
Patent CA-2060727-A1 (CA)
Title: Method and apparatus for processing of arbitrary complex boolean signals
Inventor: SOSIC ROK
IPC: G06F7/00
Filed: 1992-02-06
Abstract: A METHOD AND APPARATUS FOR PROCESSING OF ARBITRARY COMPLEX BOOLEAN SIGNALS     ABSTRACT OF THE DISCLOSURE   Arbitrary and complex Boolean functions can be evaluate  at high speed and with a minimal amount of memory by evaluating the total derivatives of the subfunctions out of which any given Boolcan function is built, the Boolean function is then generated from its total derivative. The total derivative of any binary or two input Boolean function is defined by a method dependent only on the inputs and the partial derivatives of the subfunction. By combining the subfunctions in a binary tree, a Boolean function of any complexity can be built up. By using a binary tree structure in a processing circuit or memory organization, the method is generalized to accommodate all possible Boolean functions. A processing element may be devised to generate the total derivative of each subfunction in a tree circuit of such processing elements, or arrays may be defined in a general purpose computer and elements in the array generated according to a processing methodology which assumes a tree relationship between elements in the array.
Patent CA-2061180-A1 (CA)
Title: Multipoint contact compression connector
Inventor: SCHRADER GARY E
IPC: H01R4/20
Filed: 1992-02-13
Abstract: A multipoint contact compression connector provided with a plurality of recesses to include a like number of electrical conductors or cables therein. When placed in an appropriate crimping device, the connector would contact the interior die surfaces in at least four points, in such a manner, so as to secure at least three conductors or cables in place.
Patent CA-2061414-A1 (CA)
Inventor: NEWMAN CHRISTOPHER
IPC: F16L21/06
Filed: 1992-02-18
Abstract: ABSTRACT OF THE DISCLOSURE      A pipe coupling comprising a sealing gasket to fit over adjacent ends of pipes to be connected end-to-end and a housing which clamps around the gasket, has the housing in the form of a cast metal or alloy band which substantially  encircles  the  gasket  and  has  at  its circumferential ends opposed lugs between which a wedge portion of the gasket extends and which are connected by at least one clamping bolt engaged with retaining means,  whereby  the  lugs  can  be  urged  towards  one another to contract the band onto the gasket.  The lugs grip the wedge portion as the band is contracted and prevent the body of the gasket from bulging outwardly between the lugs.   Preferably the band is made of a ductile  metal  or  alloy,  e.g.  ductile  iron,  and  is slightly oval in its free state so that it assumes a substantially true circular form when fully contracted onto the gasket.
Patent CA-2063429-A1 (CA)
Title: Environmental sealing
Inventor: READ MICHAEL
IPC: H02G15/18
Filed: 1990-07-17
Abstract: ABSTRACT OF THE DISCLOSURE       A method of forming a branch-off seal between a heat-shrinkable sleeve and at least two spaced-apart elongate substrates, which comprises the steps of: (a) positioning the substrates within the heat-shrinkable sleeve (4); (b) positioning between the substrates and within the sleeve at an open end thereof a plug (15) having a larger cross-sectional size at a first position away from said open end and a smaller cross-sectional size at a second position towards said open end; (c) positioning a heat-activatable sealing material at the first position; (d) forming shrinkable conduits in the sleeve by positioning one or more clips (2,3) at the open end of the sleeve such that the substrates and the plug are in respective conduits; and (e) while the clip remains on the sleeve, applying heat so as to affect shrinkage of the sleeve to activate the sealant, and form the desired seal.
Patent CA-2064778-A1 (CA)
Title: Methode et dispositif de comptage et de classement d'objets selon leur taille, en particulier de poissons vivants
Inventor: KVASSHEIM TORBJORN
IPC: A01K61/90
Filed: 1990-08-08
Abstract: Dispositif enregistreur de la classification d'objets selon leur nombre et leur taille, dans lequel les objets passent entre une source (1) de lumière et une caméra (2) à éléments photosensibles à transfert de charges, associée à un objectif (3), transmettant des données à une carte (4) de traitement des informations. La carte (4) de traitement des informations est raccordée à une carte (5) à circuits imprimés qui effectue des calculs à partir des données mesurées afin de déterminer le nombre d'objets ainsi que leur classification selon la taille. Lors de la classification selon la taille, la carte (5) à circuits imprimés transmet également des signaux à un vérin (7) qui commande des volets (8) dirigeant les objets vers une rigole ou un canal approprié.
Patent CA-2067102-A1 (CA)
Title: Rotary valve for an injection molder
Inventor: YOKOTA AKIRA
IPC: B29C45/23
Filed: 1990-09-26
Abstract: ABSTRACT    This  invention  relates  to  a  rotary  valve  for  an injection  molder provided with a molten resin passage  into which  molten resin is forced so that it flows from a  screw side  to  a  nozzle side,  comprising  a  cylindrical  valve chamber; and a cylindrical valve body disposed and fitted in the   cylindrical valve chamber so as to have the same  axis as  that of the cylindrical valve chamber,  the  cylindrical valve  body having through hole piercing therethrough  in  a radial direction so as to communicate with the molten  resin passage  and  being rotatable about its axis  in  a sliding manner:  the  rotary valve  also  comprises  circumferential grooves  provided in a circumferential surface area  of  the cylindrical   valve  body  such  that  they  extend   in   a circumferential direction thereof and are aligned with in an axial  direction thereof with the through hole between,  and so  that   driving torque of the cylindrical valve  body  is sufficiently reduced.
Patent CA-2068879-A1 (CA)
Title: Rotating screen
Inventor: JONES THOMAS R
IPC: B07B1/08
Filed: 1990-07-20
Abstract: A method of and apparatus for continuously separating relatively coarse particles from a suspension of mixture of particles in a liquid by impinging the suspension upon the surface of a rotating screen (12) so that liquid containing the relatively fine particles passes through the screen (12) and the relatively coarse particles are flung radially outwardly to the periphery of the screen.  The preferred screen is a woven wire mesh with aperture sizes conveniently in the size range from about 0.020 mm to about 2.00 mm.
Patent CA-2071168-A1 (CA)
Title: Sugar free 'hard candy' and process for its manufacture
Inventor: MENTINK LEON
IPC: A23G3/34
Filed: 1992-06-12
Abstract: The subject of the present invention is a sugar-free hard candy and a process which allows the manufacture of this candy. The sugar-free hard candy in accordance with the invention has a multilayer structure in which the external layer represents at most 35% of the candy, the said external layer consisting of at least two components A and B, component A being chosen from hydro-genated starch hydrolysates, xylitol, polymers of low-calorie saccharides or mixtures thereof, and component B being a weakly hygroscopic product.
Patent CA-2072842-A1 (CA)
Title: Scroll feed honing head
IPC: B24B33/08
Filed: 1992-06-30
Abstract: Abstract Of The Disclosure An improved honing head construction having one or more honing stone assemblies arranged around a rotatable mandrel body that includes a central body portion and pair of opposed end plate forming together a scroll feed up assembly operable for radially moving the honing assemblies during rotation of the mandrel for such purposes as adjusting the honing diameter, honing pressure and material removal rate, the scroll feed up assembly comprising helical scroll feed grooves located adjacent to each opposite end of the mandrel body and arranged to be positioned as mirror images of one another, each honing assembly having a pair of pin members arranged in axially aligned pairs and extending radially inwardly into radial extending bores in mandrel body, each of the pin members having at least one tooth cooperatively engageable with one of the respective helical grooves such that all of the honing assemblies move radially in concert when the end plates are rotated relative to the central body portion.
Patent CA-2073007-A1 (CA)
Title: Process
Inventor: LEWIS NORMAN J
IPC: B01J31/12
Filed: 1990-12-10
Abstract: A process for preparing compounds of structure (I), in which R is C1-4alkyl, n is 1 to 20, and X is halogen, which comprises transesterification of a C1-4alkyl methacrylate, with a haloalkanol of structure HO(CH2)nX in which n and X are as described for structure (I), in the presence of a titanium tetraC1-4alkoxide or a dialkyltin oxide catalyst, and a stabiliser.
Patent CA-2073299-A1 (CA)
Title: Track for toy vehicle running tracks with longitudinal connection and vertical stiffening
Inventor: CECCHETTI CLAUDIO
IPC: A63H18/02
Filed: 1992-07-07
Abstract: TRACK FOR TOY VEHICLE RUNNING TRACKS WITH LONGITUDINAL CONNECTION AND VERTICAL STIFFENING            SUMMARY A track  in the form of a running track for model  electric cars, comprised segments  in which  there  is  provided at each end,  in a substantially central position, at least one flat tongue (9) divided axially into two parts, in order to form two toothed members (9a, 9b) projecting lengthwise from such ends and capable of adapting flexibly in a transverse sense,  and a prismatic cavity (8) with a lateral profile matching that of  such tongue  (9),  there being furthermore provided a flat tongue (11) having a cam or step (11b) and a cavity of matching profile (12a) located within a box-shaped body (12) forming a line of contact between each pair of segments in the form of a broken line diagonally inclined in such a way as to improve the rigidity of the joint and prevent deformation in the vertical sense of the said segments relative to such line of contact.
Patent CA-2074541-A1 (CA)
Title: Organic compounds
Inventor: VAN HOLST GERRIT-JAN
IPC: C12N15/09
Filed: 1992-07-23
Abstract: - 32 -            Case 137-1054 IMPROVEMENTS IN OR RELATING TO ORGANIC COMPOUNDS            Abstract of the Disclosure DNA constructs capable of influencing pigment colour in the vacuoles of flower cells comprising DNA sequences coding for transcription into RNA sequences encoding vacuolar ATPase subunits, DNA sequences coding for transcription into RNA sequences homologous to RNA sequences encoding vacuolar ATPase subunits, and DNA sequences coding for RNA sequences complementary to such RNA sequences wherein the DNA constructs are under the control of promoter and terminators capable of functioning in plants.
Patent CA-2077210-A1 (CA)
Inventor: SCHMIDT DON F
IPC: F16G11/04
Filed: 1992-08-31
Abstract: ABSTRACT OF THE DISCLOSURE         A self locking cable end termination socket assembly has a one-piece tapered wedge as a locking device for a cable that fits into a housing with two parts that are locked together. The wedge and a cable looped over the wedge fit within an interior opening in the housing.  When the cable is tightened, the wedge tightens against surfaces defining the opening in the housing and wedges in place.   The two housing parts include a saddle and a cap which fit together and are held in a fixed position with interlocking members.  The cap has a knock-off lug that, when hit with sufficient force, such as by using a weight on an end of a cable to form a pendulum ram, will release from the saddle, making removal of the wedge and the cable greatly simplified.