baber/WOPTO huggingface dataset:
Patent CA-2054280-A1 (CA)
Title: Compression screw for a joint endoprosthesis
Inventor: EVANS DAVID L
IPC: A61B17/86
Filed: 1991-10-25
Abstract: ABSTRACT:       A compression bone screw apparatus includes an elongated cylindrical shaft member with a first smaller diameter portion that is of generally uniform cylindrical configuration, and a second enlarged diameter annular proximate end portion.  An internal bore extends longitudinally along the length of the shaft member, being open ended so that a driver tool can extend through the elongated cylindrical shaft member during installation of the compression bone screw apparatus.  A generally cylindrical lag screw member is slidably mounted in telescoping fashion upon the shaft member a at a position spaced from the annular proximate end portion thereof.  Splines prevent rotation of the shaft with respect to the lag as the lag slides upon the shaft to increase the overall combined length of the assembled shaft and lag screw. Stops, preferably in the form of abutting shoulders of the respective shaft and lag screw member abut when the apparatus is fully extended so that continued threading of the lag into a surgical opening in bone causes a compression load across a fracture.  The small compressing load discourages disassembly of the apparatus when subsidence occurs.
Patent CA-2056204-A1 (CA)
Title: Hair curling comb
Inventor: BALASCH PETER P
IPC: A45D2/00
Filed: 1991-11-26
Abstract: HAIR CURLING COMB          ABSTRACT OF THE DISCLOSURE       A comb for waving the hair has a comb back and a row of teeth projecting from the comb back in the usual way.  At least a portion of each tooth is V-shaped in profile and the V-shaped  teeth  are  nested  so that  as  the  comb  is  drawn through the hair, hairs are deflected across two edges of one tooth and the apex of an adjacent tooth.  This action on the hair produce waves in the hair.
Patent CA-2058311-A1 (CA)
Inventor: ISHIGAMI MOTOHIRO
IPC: G01R19/00
Filed: 1991-12-23
Abstract: Between clockwise and counterclockwise light beams having spent a time ? in propagating through a loop-shaped optical transmission line are provided phase differences .pi./2 rad alternately at intervals of a time k? in accordance with a biasing signal.  Light of interference between the clockwise and counterclockwise light beams is converted to an electric signal corresponding to the intensity of the interference light.  A step value signal for phase negative feedback is derived from a synchronously detected output and the step value is accumulated by an accumulator.  When the accumulated output exceeds a threshold value corresponding to 2m.pi. rad, the accumulator outputs the overflow value as the accumulated result and, at the same time, outputs an overflow signal and an overflow sign signal representing its polarity.  The accumulated output is converted by a D/A converter to an analog signal, by which an optical phase modulator is driven.  A control signal generator outputs a 0 when the overflow signal is zero, outputs -1 when supplied with a positive overflow signal, and outputs +1 when supplied with a negative overflow signal. The output of the control signal generator is applied to a multiplier.  The level difference between the outputs of a synchronous detector before and after the biasing signal is changed over at the k? time intervals is detected by a conversion error detector.  The detected output is applied to the multiplier, wherein it is multiplied by the control signal from the control signal generator.  The multiplied output is integrated by an integrator and the integrated output is used to control the conversion gain of the D/A converter by a negative feedback, thereby compensating for a change in the conversion gain of the optical phase modulator.
Patent CA-2058771-A1 (CA)
Title: Method of suppressing appetite by administration of tetrahydro-beta-carboline derivatives
Inventor: BARCHAS JACK D
IPC: C07D471/04
Filed: 1990-06-07
Abstract: Compounds  of  formula  I  are  useful  for  suppressing appetite, and for altering macronutrient preferences,   (I) wherein R2,  R3,  R6,  R7,  and R9 are chosen such that the predicted activity,  measured in terms of IC50, as calculated by the quantitative structure activity relationship 1n(1/IC50) = 0.058P2 + 0.908(? + .sigma.I) - 2.647 is greater than about -2.5, where P is the octanol/water partition coefficient as deter-mined using the fragment method, .sigma. is the sum of the Hammet parameters for the R6 and R7 substituents, .sigma.I is the sum of the Inductive parameters for the R3 and R2 substituents.
Patent CA-2060985-A1 (CA)
Inventor: CHAREIRE JEAN-LOUIS
IPC: B60T8/00
Filed: 1992-02-11
Abstract: Brake system for wheeled vehicle (2) equipped with braking devices (4), the system allowing lower wear on the carbon brakes (3) than in conventional systems. 
<??>According to the invention, the system is provided: 
 
  - with an adjustable element (5) for deliberate braking action, actuable by the driver; 
  - with a transducer (6) controlled by the said adjustable element (5) for deliberate braking action and delivering, on an output, a first signal which is representative of the adjustment of this adjustable element (5), imposed by the driver in order to obtain a desired deceleration of the said vehicle; 
  - with a computer (7) which controls the said braking devices (4); and 
  - with a first link (6L) connecting the said output of the transducer (6) to the said computer (7), the said computer (7) comprising various calculation means (11, 12) making it possible to calculate the minimum number D of braking devices (4) to be activated in order to obtain the desired deceleration, and to activate D braking devices (4). 
 
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Patent CA-2061102-A1 (CA)
Title: Method and assembly for wrapping rolls, paper rolls in particular, in a wrapper sheet
Inventor: NISKANEN TAPIO
IPC: B65B11/04
Filed: 1992-02-12
Abstract: The present invention concerns a method and assembly for wrapping paper rolls in a wrapping material (12). The method employs such wrapping material that incorporates a heat-meltable laminate layer (26). According to the method the paper roll (23) is rotated on support rolls (13), the wrapper (12) is guided about the roll (23) so that the laminate layer (26) comes against the roll, the wrapper (12) is adhered to the roll by applying energy onto the wrapper in order to attain the melting of the plastic film laminate, whereby the wrapper (12) adheres to the roll (23), and the roll (23) being rotated is wrapped into at least one turn of the wrapper. According to the invention the wrapper laminate layer is melted from the laminate side to adhere the wrapper to the roll being wrapped, and when necessary, the area and/or energy density of melting energy application onto the wrapper material is varied in the direction of the center axis of the roll in order to achieve a desired pattern of adherence. The assembly according to the invention comprises a melting unit, which is divided in at least two melting zones, and said melting zones can be controlled partially or entirely independently from each other and can be directed against the surface of the wrapper material (12) in order to produce the thermal effect necessary for at least a partial melting of said laminate layer (26).
Patent CA-2066195-A1 (CA)
IPC: H04L7/04
Filed: 1990-09-04
Abstract: There is provided a mechanism for block synchronization.  It comprises: predeterminally arranging permutations of syn-chronization words about a point of interest, transmitting such arrangement, receiving that transmission having permuted syn-chronization words predeterminally arranged about that point of interest, detecting at least part of certain permutations of those synchronization words, and locating the point of interest with reference to the permutation of one detected word about another and their arrangement about the point of interest.
Patent CA-2067806-A1 (CA)
Inventor: RICHARDS TURNER
IPC: C04B18/24
Filed: 1990-10-12
Abstract: Vue isométrique d'une construction (60) de porte coupe-feu, comprenant des panneaux (62) de fibres de gypse ayant une densité d'au moins 60 livres par pied cube, une résistance à la flexion d'au moins 30 livres (matériau d'une épaisseur de 1/2 pouce), ainsi qu'une capacité de maintien de vis d'au moins 400 livres. Ledit panneau a une composition comprenant 65 à 90 % en poids de dihydrate de gypse, 7 à 30 % en poids de fibre de papier, et un agent augmentant l'efficacité choisie parmi une fibre inorganique, de l'argile, la vermiculite, ainsi qu'un polymère de liaison. La structure (66) en nid-d'abeilles est entourée au niveau du périmètre de la porte, par un bandage (65) de bordure de panneau de fibres en gypse, d'une densité préférée de 65 livres par pied cube, et d'une capacité de maintien de vis d'au moins 600 livres par pied cube.
Patent CA-2068219-A1 (CA)
Inventor: PARKS ROBERT A
IPC: G05F1/56
Filed: 1990-12-14
Abstract: A regulated power supply employs two separate sources of power which are serially connected by a variable impedance element, such as a transistor, connected between the two power sources. Output voltage of the power supply is equal to the sum of the individual power supply voltages minus a voltage drop across the variable impedance element. A sensor circuit employing standby and active mode branches is coupled between output terminals of the power supply for control of the variable impedance element. The active branch of the sensor is switchably connected to an output power terminal of the supply so as to be operative only during the active mode. The standby branch comprises a resistive network coupled to a reference diode while the active branch comprises a feedback amplifier coupled to the reference diode.
Patent CA-2072154-A1 (CA)
Title: Test system for checking the activity of viral proteinases
Inventor: SOMMERGRUBER WOLFGANG
IPC: C12Q1/68
Filed: 1991-08-22
Abstract: Abstract The present invention relates to an in vivo colour test system for testing the activity of viral proteases.
Patent CA-2074729-A1 (CA)
Title: Imidazol-2-yl derivatives of substituted bicyclic compounds and process for their preparation
Inventor: COZZI PAOLO
IPC: C07D233/64
Filed: 1991-11-26
Abstract: Compounds having formula (I) wherein Z is -O- or -CH2-; n is 1-6; R is hydrogen, C1-C6 alkyl, phenyl or optionally substituted phenyl-C1-C3 alkyl; R2 is C1-C8-alkyl, aryl-C1-C3 alkyl, C5-C8 cycloalkyl or C5-C8 cycloalkyl-C1-C3 alkyl; each of R3 and R4 independently is hydrogen or C1-C4 alkyl, or taken together with the carbon atom to which they are linked form a C3-C6 cycloalkyl ring; Q is -OR' or -NR'R" in which R' and R" are as herein defined, or Q is C1-C8 alkyl, phenyl, phenyl-C1-C3-alkyl, C5-C8 cycloalkyl or C5-C8 cycloalkyl-C1-C3 alkyl, in which both the phenyl and cycloalkyl rings or moieties are optionally substituted as herein defined; and the pharmaceutically acceptable salts thereof; are useful in particular as antidislipidaemic and antiatherosclerotic agents.
Patent CA-2075989-A1 (CA)
Title: Article of footwear having improved midsole
Inventor: KRAMER HY
IPC: A43B13/20
Filed: 1991-02-04
Abstract: A midsole, partial midsole, or the like (10), for inclusion in an article of footwear having a flexible, air-permeable top sole, characterized by at least one plug (11) in the heel region having a thickness (height) sufficient to permit significant compression deformationm along its thickness dimension accompanied by simultaneous significant bulging deformation in its circumscribing surface perpendicular to the thickness dimension; the deformations occuring solely due to normal walking activity by any wearer of the footwear; and the deformations thereby providing simultaneously for shock-absorption and ventilation during said normal walking activity.
Patent CA-2077286-A1 (CA)
Inventor: CHIYONOBU TATSUO
IPC: H01L23/48
Filed: 1992-09-01
Abstract: An electrical connecting method connects a first contact of a first object to a second contact of a second object.  The electrical connecting method includes the steps of coating a Ga system liquid metal on at least one of the first and second contacts, where the Ga system liquid metal includes a predetermined weight percent of Bi, and contacting the first contact to the second contact via the Ga system liquid metal. The predetermined weight percent of Bi is selected such that the liquid state of the Ga system liquid metal is maintained when the first and second contacts make contact via the Ga system liquid metal.
Patent CA-2077911-A1 (CA)
Title: Halogen exchange fluorination
Inventor: CASSEL WENDEL R
IPC: C07C19/08
Filed: 1991-02-13
Abstract: A process for halogen exchange fluorination by contacting a halocarbon having a replaceable halogen other than fluorine with KF.nHF wherein n is 0.5-3 to provide a fluorinated hydrocarbon having at least one more fluorine than the starting halocarbon and, optionally, regenerating the KF.nHF with additional HF, or in a continuous process, with excess HF in the feed.
Patent CA-2078396-A1 (CA)
Title: Method of retrieving literal strings in a data processing system
Inventor: DINNIS RICHARD E
IPC: G06F17/30
Filed: 1992-09-16
Abstract: METHOD OF RETRIEVING LITERAL STRINGS      IN A DATA PROCESSING SYSTEM     ABSTRACT OF THE DISCLOSURE     A method  is  provided  for  retrieving  and  outputting literal strings in a data processing device.  The strings are stored in the device's memory in the form of two or more tables. A directory of the tables is generated.  When a literal string  is  needed,  the  directory  is  searched  for  an appropriate table; when an appropriate table is found,  the table is searched for the needed string.     When a string or table is to be corrected or superseded, a later table is stored in the memory.  An updated directory is assembled.  The updated directory is arranged so that the later table is searched before the corrected or superseded table.
Patent CA-2079318-A1 (CA)
Title: Video processing method and apparatus
Inventor: DHEIN ROBERT
IPC: H04N7/26
Filed: 1991-03-29
Abstract: A method and an apparatus are set forth for encoding and decoding video to achieve bandwidth compression. In one form of the disclosure, two video signals (810, 850), representative of different images, can be transmitted using only the bandwidth (880) generally allocated to a single video signal, with little or no perceived degradation of image quality. In another form of the disclosure, motion indicative signals (970) are used in a technique that dynamically modifies the frequency band information to be stored and/or transmitted.
Patent CA-2083983-A1 (CA)
Title: Low expansion composition for packaging optical waveguide couplers
Inventor: GADKAREE KISHOR P
IPC: G02B6/28
Filed: 1992-11-27
Abstract: ABSTRACT OF THE DISCLOSURE      A rigid, low expansion formable housing composition can be used to package optical waveguide couplers.  The housing is in intimate contact with and strongly bonded to the coupler being packaged.  The housing composition includes a formable polymeric resin,  a  glass-ceramic  or  ceramic  or  glass  filler,  and, optionally, strengthening fibers   The filler has a low thermal expansion to compensate for the high expansion of the resin.  A moisture  barrier  layer  may  be  placed  around  the  housing composition, and it is possible to incorporate a shock absorbing material between the housing and the moisture barrier layer.
Patent CA-2084296-A1 (CA)
Inventor: GELLERT JOBST U
IPC: B29C45/27
Filed: 1992-12-04
Abstract: A method of making an injection molding nozzle having an electrical heating element wound in a channel.      The heating element has two terminal wires which extend radially outward parallel to each other from either a common end portion or two separate end portions of the heating element. After the heating element is wound in the spiral channel in the nozzle body, forward and rear collar portions are mounted around the nozzle body to form a radial slot or opening between them through which the end portion or portions of the heating element project. A stud portion is mounted to extend radially outward from the slot with a single bore or two parallel bores through which the end portion or portions extend. These components are then brazed together in a vacuum furnace to form a strong integral structure with the end portion or portions of the heating element secured in place. In one embodiment, a spacer portion having two parallel bores is mounted with ceramic paste to the stud portion. The two terminal wires extend out through the bores for connection in a threaded cap to a pair of external lead wires.
Patent CA-2088999-A1 (CA)
Title: Cap for a container and opening means therefor
Inventor: OGDEN BRIAN L
IPC: B65D50/04
Filed: 1992-06-05
Abstract: A cap (1) having a top (2) and a depending skirt (3) which receives the neck of a container at its lower end, wherein the skirt (3) is provided at its outer and upper end portion with a first engaging means (6, 7) for engaging an annular spanner located around the cap (1), and a seating means (8) at the base of the first engaging means (6, 7) on which the annular spanner rests.  Preferably the cap is for a medicine container and is circular. In a further embodiment the cap is a two part child resistant cap designed to provide tamper evidence. There is further provided a medical implement adapted to engage over the cap and a kit comprising the cap and an annular spanner.
Patent CA-2090656-A1 (CA)
Inventor: MARIE BRUNO
IPC: B23K26/00
Filed: 1993-03-01
Abstract: ABR?G? DESCRIPTIF La fenêtre partiellement transmettante de la cavité optique est constituée par au moins une lame en diamant à faces planes parallèles non revêtues, ayant une épaisseur contrôlée et montée dans un support tubulaire en matériau bon conducteur de la chaleur associé à des moyens de refroidissement. Application notamment aux lasers CO2.
Patent CA-2090704-A1 (CA)
Title: Genetic material encoding igfbp-4
Inventor: KIEFER MICHAEL C
IPC: A01K67/027
Filed: 1991-08-28
Abstract: A purified binding protein selected from the group consisting of insulin-like growth factor binding protein having an amino acid sequence which is at least 85 % homologous to the amino acid sequence and fragments thereof comprising at least 10 consecutive amino acids of the sequence that are capable of binding to an antibody specific for the protein or to an insulin-like growth factor is described. Recombinant DNA molecules encoding the binding proteins and subsequences thereof are also described along with recombinant microorganisms and cell lines containing the DNA molecules and methods for preparing the binding proteins by growing the recombinant hosts containing the relevant DNA molecules. Antibodies to the protein, identified as IGFBP-4, which are useful in various diagnostic applications, are also described.
Patent CA-2093386-A1 (CA)
Inventor: SWEENEY NIALL
IPC: A61M5/34
Filed: 1993-04-05
Abstract: A  safety  needle  syringe  includes  a  barrel having an inside surface defining a chamber, an open proximal end and a distal  end.   A movable needle carrier is positioned in fluid-tight engagement with the  inside  surface of the  barrel  and  includes  a distal end,  a proximal end and a passageway there-through in fluid communication with the chamber.  A needle cannula projects  outwardly from the distal end of the carrier and includes a  lumen  in  fluid communication  with  the  passageway.    A  plunger assembly  is  slidably  positioned  in  fluid-tight engagement with the  inside surface of the barrel. Structure is providing for allowing the distal end of the plunger to engage the carrier for allowing distally and proximally directed forces applied to the proximal end of the plunger to be transmitted to the  carrier.   Control  structure  is  provided  for helping  to  prevent  movement  of  the  carrier  with respect  to  the  barrel  during  normal  use  of  the syringe while the control structure is in a first locked position and for allowing the carrier to be moved  proximally into  the  chamber  through  forces applied to the plunger while the control means is in a second unlocked position.
Patent CA-2101648-A1 (CA)
Title: Polysaccharide-protein conjugates
Inventor: SCHNEERSON RACHEL
IPC: A61P31/04
Filed: 1992-03-12
Abstract: The present Invention relates to a polysaccharide-protein conjugate. The invention also relates to a method of using said conjugate to prevent systemic infections. The invention further relates to a pharmaceutical composition. The invention also relates to a method of producing a polysaccharide-protein conjugate.
Patent CA-2103304-A1 (CA)
Title: Spread spectrum communication system
Inventor: GLAZER BURTON
IPC: H04L27/00
Filed: 1993-11-17
Abstract: ABSTRACT "Spread spectrum communication system"     Apparatus for generating a pseudo-noise (PN) code sequence with a relatively short repeatable code length, to facilitate signal acquisition in a receiver, but also having a spectrum that is practically indistinguishable from electromagnetic noise. A primary PN code sequence of relatively short length is combined with a secondary random or pseudo-random code sequence having a chip rate approximately equal to the code repetition rate of the primary PN code, to produce a composite code. When the composite code is used to modulate a carrier signal, the resulting frequency spectrum is similar to noise, but retains the short code property of ease of signal acquisition.
Patent CA-2107025-A1 (CA)
Title: Compact, cylindrical, multi-cell battery
Inventor: KLEIN LLOYD E
IPC: H01M6/46
Filed: 1993-09-27
Abstract: ABSTRACT OF THE DISCLOSURE "Compact, cylindrical, multi-cell battery"     In a preferred embodiment, a battery including a plurality of series connected battery cells rolled into a cylindrical form. Each of the battery cells includes a thin flexible rectangular anode closely spaced apart from a thin flexible cathode. The plurality of series connected battery cells are placed on a flexible carrier sheet which is tightly wound into the cylindrical form
Patent CA-2107896-A1 (CA)
Title: Method and composition for treating hyperproliferative skin diseases using 6-aminopurine cytokinins
Inventor: BOLUND LARS
IPC: A61K31/52
Filed: 1991-05-16
Abstract: It has been discovered that 6-(substituted amino)purine cytokinins, such as kinetin, induce differentiation, and consequent-ly reduce or eliminate the abnormally high rate of proliferation, of hyperproliferating cells associated with hyperproliferative skin diseases, such as psoriasis. Thus, the present invention provides methods and compositions for treating hyperproliferative skin diseases in mammals, particularly such diseases associated with hyperproliferating epidermal cells in humans, by administering to the hyperproliferating cells associated with such a disease, in the skin of a mammal suffering therefrom, a differentiation-indu-cing effective amount of a 6-(substituted amino)purine cytokinin.
Patent CA-2109057-A1 (CA)
Title: Treatment for galvanized metal
Inventor: DECK PHILIP D
IPC: C23C22/34
Filed: 1993-10-22
Abstract: ABSTRACT OF THE DISCLOSURE         An aqueous coating solution for zinc containing metals such as galvanized iron and steel.  The coating solution is resistent to the formation of zinc induced sludge and can be operated with little or no overflow.  The aqueous treatment solution contains from 0.1 to 10 grams per liter of a fluoro-metallic acid, from 0.015 to 6 grams per liter of a salt of a transition metal, from 1 to 30 grams per liter zinc; and optionally from 0.1 to 3 grams per liter a polymer of acrylic acid, methacrylic acid, or an ester thereof with a C1 to C8 alkanol.