baber/WOPTO huggingface dataset:
Patent CA-2214633-A1 (CA)
Title: Antibody purification by low-ph hydrophobic interaction chromatography
Inventor: ZAPATA GERARDO A
IPC: C07K16/00
Filed: 1996-04-05
Abstract: A process for purifying an antibody is provided. In this process, a mixture containing the antibody and a contaminant is subjected to low pH hydrophobic interaction chromatography (LPHIC) at low salt concentration. The antibody is eluted from the column in the fraction which does not bind thereto. This process can be preceded and followed by other purification steps.
Patent CA-2215291-A1 (CA)
Inventor: SEELIG ANTON
IPC: H02J5/00
Filed: 1995-12-21
Abstract: PCT No. PCT/EP95/05082 Sec. 371 Date Jun. 24, 1997 Sec. 102(e) Date Jun. 24, 1997 PCT Filed Dec. 21, 1995 PCT Pub. No. WO96/20526 PCT Pub. Date Jul. 4, 1996A device for the contactless inductive transmission of electric energy to a movable consumer has a stationary primary circuit designed as an arrangement of elongated parallel leads connected to a source of high frequency alternating voltage or current and a transmission head arranged on the movable consumer. The transmission head consists of a ferrite core and of a secondary winding that surrounds the ferrite core and is magnetically coupled to the primary circuit. The primary circuit lead arrangement has an outer lead designed as an almost closed housing (7) and a middle lead (6) arranged approximately at the center of the housing. The current (11) that flows in the outer lead has the same intensity but an opposite flow direction to the current in the middle lead. The middle lead (6) is surrounded by a U-shaped ferrite core (2) that carries the secondary winding (W2). In order to transmit electric energy independently and at the same time to several movable consumers, a constant medium frequency current (J1) flows through the transmission device. The current is kept constant in that the transmission arrangement is connected in parallel to a capacitor (CE) connected in series to an inductor (LE) and to a medium frequency voltage source (MFG1). A resonance is created between the inductor (LE) and the capacitor (CE) at the frequency (fo) of the medium frequency voltage source (MFG1).
Patent CA-2218420-A1 (CA)
Inventor: NAGASHIMA SHINICHI
IPC: H02K15/06
Filed: 1997-10-16
Abstract: In an engine starter, to facilitate the assembling of a solenoid assembly, an annular outer peripheral wall is formed in the casing for receiving the energization solenoid assembly and to secure the solenoid assembly by crimping a free end of the annular outer peripheral wall onto an axial end of the solenoid assembly, and the energization solenoid assembly is fitted into the bore defined by the annular outer peripheral wall by engaging the outer periphery of the solenoid assembly with three fingers of an assembly tool. A plurality of crimping portions are defined by a plurality of recesses provided along the circumferential direction of the free end of the annular outer peripheral wall so that the fingers of an assembling tool when inserting the solenoid assembly are not interfered by the annular outer peripheral wall.
Patent CA-2218652-A1 (CA)
Inventor: ZUBRAEGEL ALBERT
IPC: G01F11/00
Filed: 1997-10-20
Abstract: A method and device for determining the delivered volume of a lot of bulk material, comprising collecting at least one sample from the lot, screening the sample, filling a measuring container  with  the  screened  sample,  weighing  the  sample, determining the bulk density of the sample by dividing the measured weight of the sample by the volume of the measuring container, and dividing the weight of the lot by the bulk density to obtain the volume of the lot.  The invention includes a device for performing the method comprising a mechanically-operated screening plant comprising a rolling screen.  The screening plant screens several different grain fractions in one screening passage.  A fine grain fraction is screened out first and each screened grain fraction is subsequently coarser than the preceding screened fraction.  Each subsequent grain fraction is screened together with the overrun of the  fraction collected  in the preceding passage.   Thus,  the composition of the screened sample is representative of the lot.
Patent CA-2220392-A1 (CA)
Title: Tqr anchor
Inventor: GOSSE DARRYL
IPC: E21B23/01
Filed: 1997-07-11
Abstract: A  mandrel-operated  torque  roller  anchor  for insertion into the casing of a well, when set to resist axial movement of a tubing string and prevent rotation of itself and any part of the string located above it in one direction but permit rotation of it and any part of the string located above it, as well as axial motion,  when rotated in the other direction, the anchor comprising: (a) a centrally disposed elongated mandrel;  (b)   a slip cage resting externally on the mandrel for limited relative rotative movement with respect  thereto,  the  slip  cage having multiple elongated slots when viewed from the side; (c)   a plurality of drag slips resting externally on the mandrel within the slip cage for limited outward movement relative thereto through the slots in the slip cage to bear against an interior wall of the casing, the drag slips each having  an  exterior  surface,  one  portion  of  which  is provided with wickers to grip the interior wall of the casing so as to set the anchor, resisting and preventing both axial and rotational motion,  an adjacent,  lateral, smooth unwickered drag portion to bear against the interior wall of the casing to provide sufficient frictional force between the drag portion and the casing but permit axial movement of the tubing string, slots running through the drag portion of the slip to provide additional flow bypass capability around the anchor, and a fulcrum between those two portions;  (d)    biasing means  extending between a portion of the exterior surface of the mandrel and an interior surface of each slip beneath the drag portion to force the drag portion of the corresponding slip outwardly against the casing wall when the mandrel and slip cage are in unset position;  (e)   a plurality of elongated rollers carried in axial grooves in the external surface of the mandrel in a manner so that, in unset position, the rollers are positioned beneath,  and held in position in their corresponding grooves by, interior surfaces of the cage walls, and in set position the rollers are oriented beneath the slips and cause to rotate outwardly against the casing and  inwardly  against  the  biasing  means,  the  wickered surface portions so as to set the anchor in position, and (f) means associated with the mandrel and the slip cage to limit  relative  rotative  movement  of  the  mandrel  with respect to the slip cage between set and unset positions.
Patent CA-2222815-A1 (CA)
Inventor: WU CAICAI
IPC: B01L3/00
Filed: 1997-11-28
Abstract: A reference T-sensor system is provided for detecting the presence and/or measuring the concentration of analyte particles in a sample stream comprising: a) a laminar flow channel; b) three or more inlet means in fluid connection with said laminar flow channel for respectively conducting into said laminar flow channel (1) an indicator stream which may comprise an indicator substance which indicates the presence of said analyte particles by a detectable change in property when contacted with said analyte particles, (2) said sample stream, and (3) a reference stream, which can be either a control stream or an internal standard stream, or both; c) wherein said laminar flow channel has a depth and/or width sufficiently small to allow laminar flow of said streams and a length sufficient to allow particles of said analyte to diffuse into said indicator stream to form a detection area; and d) outlet means for conducting said streams out of said laminar flow channel preferably to form a single mixed stream. Also provided are methods of using the device to improve accuracy and increase convenience of measuring the concentration of analytes in a sample. Monitoring reference stream(s) in laminar flow with sample stream(s) allows for calibration, correction of (subtracting out) effects of experimental conditions which would otherwise degrade the accuracy of the sample's measured value(s), and monitoring the accuracy of the system. A reference stream which serves as both a control stream and an internal standard stream is convenient and economical. The device of this invention also needs less frequent calibration that previously known fluid analysis devices because the device and methods of this invention provide for continuous and simultaneous quality control and internal standardization.
Patent CA-2224415-A1 (CA)
Title: Bitumen/polymer compositions with improved stability and their application in carrying out surfacing operations
Inventor: TURELLO PATRICK
IPC: E01C7/35
Filed: 1997-05-06
Abstract: PCT No. PCT/FR97/00811 Sec. 371 Date Apr. 13, 1998 Sec. 102(e) Date Apr. 13, 1998 PCT Filed May 6, 1997 PCT Pub. No. WO97/43341 PCT Pub. Date Nov. 20, 1997Bitumen/polymer compositions are provided containing a bitumen or a mixture of bitumens and, reckoned by weight of bitumen, 0.3% to 20% of at least one primary polymer selected among certain elastomers and plastomers and 0.01% to 12% of at least one olefinic polymer bearing epoxy or COOH groupings. The compositions are useful, directly or after dilution, to form bitumen/polymer binders for carrying out road surfacing, for coated materials or waterproof coatings.
Patent CA-2224421-A1 (CA)
Inventor: DONOVAN STEVEN PATRICK
IPC: B23P19/06
Filed: 1997-12-10
Abstract: A novel clinch-type fastener member (20, 20a) is adapted to be engaged through first and second workpieces (22, 24) to form a mechanically locked joint (26, 26a) which is highly resistant to vibrational loosening.  The fastener member (20, 20a) has a first portion (28, 28a) and a second portion (30, 30a) which extends therefrom.  The first portion (28, 28a) has a protuberance (36, 36a), formed from a ring, thereon which extends outwardly therefrom.  The second portion (30, 30a) has a projection (46, 46a), formed from a ring, spaced a predetermined distance from the first portion (28, 28a) to define a retaining groove (48, 48a).  To engage the fastener member (20, 20a) with the workpieces (22, 24), the fastener member (20, 20a) is rotated into engagement therewith.  The protuberance (36, 36a) on the first portion (28, 28a) engages a top surface (54) of the first workpiece (22) and rotational and compressive forces are applied to the fastener member (20, 20a) thereby causing the protuberance (36, 36a) to deform the first workpiece (22) material to cause the material to flow into the retaining groove (48, 48a) provided on the fastener member (20, 20a).  The projection (46, 46a) on the second portion (30, 30a) generally contacts the first workpiece (22) such that when the deformed material flows into the retaining groove (48, 48a), the deformed material is captured between the projection (46, 46a) and the first portion (28, 28a).
Patent CA-2224647-A1 (CA)
Inventor: BOYD GRAEME B
IPC: H03K17/693
Filed: 1997-12-12
Abstract: A current-steering method for a pair of transistors M1, M2 differentially coupled to a common current source I0. The transistors have outputs 11, 12 respectively. An input voltage V1 is offset to produce a second voltage V2. The gate of one the transistors is controllably driven by V1 while the gate of the other transistor is simultaneously driven by V2. V1-V2=.DELTA.V is substantially less than the circuit rail voltage. Substantially all of the current source current flows through the transistor driven by V1, with the residual remainder of the current source current flowing through the transistor driven by V2. The amplifier is a current mirror having an unbalanced current mirror ratio.
Patent CA-2227428-A1 (CA)
Inventor: MOSKOVITZ MARK L
IPC: C01B31/08
Filed: 1996-04-17
Abstract: A method for producing an enhanced adsorbent and/or enhanced catalytic particle and/or for producing a catalytic particle, comprising the steps of:  (a) removing an effective amount of air from a closed chamber containing an adsorbent and/or catalytic particle, wherein the resultant chamber pressure is less than one atmosphere; (b) raising the chamber pressure with an inert gas to at least one atmosphere; (c) contacting the particle with an energy beam of sufficient energy for a sufficient time to thereby enhance the adsorbent and/or catalytic properties of the particle and/or produce catalytic properties in the particle. A continuous process directed to step (c) alone is also provided. Also disclosed are adsorbent and/or catalytic particles, methods of contaminant reduction or elimination, including room temperature catalysis, particle binders, apparatuses of the present invention, and methods of increasing the surface area of adsorbent and/or catalytic particles.
Patent CA-2227980-A1 (CA)
Title: Peptides cycliques analogues de la somatostatine actifs contre l'hormone de croissance
Inventor: DEGHENGHI ROMANO
IPC: A61P5/08
Filed: 1996-07-17
Abstract: L'invention porte sur des peptides cycliques de formule générale (I) dont les groupes, présentés dans la description, ont une activité inhibitrice sur l'hormone de croissance. Lesdits peptides présentent en outre une activité anticancéreuse.
Patent CA-2228432-A1 (CA)
Inventor: TATT IVAN ROBERT
IPC: B65D81/24
Filed: 1996-08-02
Abstract: There is disclosed a foodstuff preserving packaging comprising a packaging substrate having a layer of a bonding agent including at least one foodstuff preservative.
Patent CA-2231179-A1 (CA)
Inventor: BIKHOVSKY DAVID
IPC: H05B3/34
Filed: 1996-09-03
Abstract: Heating device having a substantially flat heating element with specific dimensions of length and width, is provided. Heating devices of the invention may be implemented in domestic heaters, in food cooking devices, etc. Also provided is a method for designing heating elements for use in such devices.
Patent CA-2231681-A1 (CA)
Inventor: KIME GEOFREY G
IPC: B29C65/20
Filed: 1998-03-10
Abstract: A method and apparatus for fusing a bell connector to the end of a corrugated thermoplastic pipe are disclosed in which an expandable mandrel grips a preformed bell and a pipe support grips a pipe co-axial with the longitudinal axis of the bell. A pipe trimmer for facing the pipe end may be moved into and out of the axis of the pipe if necessary for trimming the pipe end to provide a uniform planar flange face and a heater, combined with a supporting flange, moved sequentially into and out of the axis of the pipe and bell for heating the opposed faces of the trimmed end of the pipe and the end of the bell to a desired fusing temperature. Upon heating of the opposed faces of the bell and the pipe to a predetermined fusing temperature, the said faces of the bell and the pipe are abutted against each other, with the back side of the corrugated pipe flange face fully supported by the supporting flange, i.e. backing ring, at a predetermined pressure for a time sufficient to fuse the bell and pipe together.
Patent CA-2231816-A1 (CA)
Title: Method and apparatus for halftone rendering of a gray scale image using a blue noise mask
Inventor: PARKER KEVIN J
IPC: H04N1/405
Filed: 1991-12-03
Abstract: A method of and system for rendering a halftone image of a gray scale image (500) by utilizing a pixel-by-pixel comparison (402) of the gray scale image against a blue noise mask (502) is disclosed in which the gray scale image is scanned on a pixel-by-pixel basis and compared on a pixel-by-pixel basis to an array of corresponding data points contained in a blue noise mask stored in a PROM (406) or computer memory in order to produce the desired halftoned image. Both digital and optically implemented halftone methods are disclosed. Application specific modifications of the blue noise mask as well as its use for producing halftoned color images are also disclosed.
Patent CA-2231954-A1 (CA)
Inventor: OSBORNE GREG
IPC: H04B17/00
Filed: 1998-03-11
Abstract: A wireless terminal monitors its communications with a wireless network in order to provide the network with performance information. The terminal monitors its own operations and messages, or expected messages from the network, and stores information as to the success or failure of these various events. Performance information, for example, bit error rate and receive signal strength is also stored. The terminal is also capable of performing transmission path quality tests, for example, loop backs. The terminal can transmit information to a network at regular time periods or as a response to a request from the network.
Patent CA-2232062-A1 (CA)
Inventor: NYST FRANCISCUS AUGUSTINUS LUD
IPC: B43L5/02
Filed: 1996-08-16
Abstract: A presentation assembly (2) comprising a housing (12) and a material web (11) which is capable of being written on and which is wound into a roll (10), the roll (10) being accommodated in the housing (12) so as to be rotatable about the longitudinal axis thereof, the housing (12) being provided with a dispensing slot (13) through which the material web (11) capable of being written on is dispensed from the housing (12) when the roll (10) is being unwound, characterized in that the material web (11) is provided with at least one relatively rough main surface, so that the writing thereon cannot be erased, and with means whereby a part of the material web capable of being written on can be stuck flat to a base. The invention also relates to a material web roll evidently intended for a presentation assembly according to the invention.
Patent CA-2232811-A1 (CA)
Inventor: SYLVESTER DANIEL ROBERT
IPC: A61K48/00
Filed: 1998-05-21
Abstract: The invention provides Defl polypeptides and DNA (RNA) encoding Defl polypeptides and methods for producing such polypeptides by recombinant techniques. Also provided are methods for utilizing Defl polypeptides to screen for antibacterial compounds.
Patent CA-2235910-A1 (CA)
Inventor: CHEN NICK
IPC: B25H1/12
Filed: 1998-04-24
Abstract: A workbench consists of a frame provided with a receiving space and an opening in communication with the receiving space, two threaded rods fastened pivotally with the frame, a fixed desk board fastened with the frame, two movable seats fastened with the threaded rods, a movable desk board fastened pivotally with the movable seats, a tool box received removably in the receiving space of the frame, and two handles fastened with the threaded rods such that the handles are capable of turning the threaded rods to drive the movable seats to displace along the direction of the longitudinal axis of the threaded rods, so as to actuate the movable desk board to displace.
Patent CA-2237454-A1 (CA)
Title: A circuit arrangement for providing internet connectivity to a key telephone user
Inventor: BUCHANAN CHRIS
IPC: H04M9/00
Filed: 1998-05-13
Abstract: A circuit arrangement is provided for connecting a personal computer (PC) to a port of a key telephone system via an adapter circuit which also interfaces a digital key set to the port. The adapter circuit is connected to the computer via an RS-232 single channel data link. The PC is programmed to generate and receive a serial data stream into which are encapsulated messages relating to link control and telephone functionality. The adapter circuit is also programmed to receive and generate the serial data stream. The data rate through the adapter circuit and the telephone system and hence to a remote computer is dependent on the utilization of the attached key set by the user to make a call.
Patent CA-2239270-A1 (CA)
Inventor: WARREN PATRICK VERNON
IPC: A61K48/00
Filed: 1998-07-29
Abstract: The invention provides phosphoribosyl transferase polypeptides and DNA (RNA) encoding phosphoribosyl transferase polypeptides and methods for producing such polypeptides by recombinant techniques. Also provided are methods for utilizing phosphoribosyl transferase polypeptides to screen for antibacterial compounds.
Patent CA-2240365-A1 (CA)
Title: Covalent lipid-phosphono-carboxylic acid conjugates and application thereof as antiviral medicaments
Inventor: ZIMMERMANN GERD
IPC: A61K47/54
Filed: 1996-12-16
Abstract: The present invention relates to: novel lipid derivatives of phosphono-carboxylic acids of general formula (I), the symbols of which are explained in the description; the tautomers and their physiologically acceptable salts of inorganic and organic bases; as well as methods of producing said derivatives and medicaments containing them.
Patent CA-2242040-A1 (CA)
Inventor: DOERING DAVID ARTHUR
IPC: E02F3/34
Filed: 1998-08-06
Abstract: A rearwardly swinging operator enclosure is provided for a skid-steer loader having vertical lift arms. The enclosure, as well as the links coupling the lift arms to the loader are both pivotally mounted high on laterally spaced apart support posts carried at the rear of the enclosure. The raised pivotal mountings permit the enclosure to swing rearwardly and high above the loader components housed beneath the enclosure to allow maintenance activities to be conveniently carried out from the front of the loader. The raised pivotal mountings further permit the use of a cross member to reinforce both the support posts and lift arm links and yet avoid interference with swinging movement of the enclosure or lift links. With the cross member positioned near the top of the support posts, rear visibility is enhanced.
Patent CA-2242267-A1 (CA)
Title: Shoe or outsole and shoe with this sole
Inventor: BOUCHOMS JEAN-FRANCOIS
IPC: A43B13/18
Filed: 1997-04-30
Abstract: A shoe or outsole (1) made of resilient material has a sole surface provided with protruding elements (7, 23) both on its inner side (5) that faces the insole and on its outer or bottom side (21) away from the insole, and a rim (19) which surrounds the sole surface. The elements (7) that protrude towards the insole form a substantially rectangular grid (7). The present invention is characterised in that the protruding elements (23) on the bottom side (21) are interrupted strips (23) which extend substantially transversely to the longitudinal direction or the longitudinal axis A of the sole. At least one longitudinal rib (27, 29) parallel to the outer contour of the sole is provided on the sole bottom side (21) at least along the outer side (25) of the sole (1). The distance between the longitudinal rib and the outer contour of the sole is distinctly smaller than half the width of the sole in the heel area (9). A sickle-shaped reinforcement zone (17) which fills the grid is provided between the area (11) of the ball of the foot and the heel area (9), extending from the sole inner side (13) in the direction of the longitudinal axis A.
Patent CA-2242843-A1 (CA)
Title: Passive infra-red intrusion sensor
Inventor: MOLDAVSKY MARK
IPC: G02B3/00
Filed: 1998-07-09
Abstract: An improved infra-red lens array for use in a passive infra-red intrusion sensor, which maintains high detection capability for intruders moving in the middle and near field, and yet discriminates well between the movement of intruders and of pets in the near field. The upper part of the lens array is composed of at least one row containing convex lenses, operative to focus the far and middle field radiation of the area to be protected onto the detector of the sensor. The lower part of the array has at least one row containing cylindrical lenses, with their axes of symmetry aligned vertically, operative to focus infra-red radiation from the middle and near fields onto the detector. Each cylindrical lens focuses a vertical curtain of the protected area onto the infra-red detector. In order to ensure reduced sensor sensitivity close to the floor of the protected area, so as to provide pet movement discrimination, the cylindrical lenses are provided with spatially selective attenuation, so as to reduce their transmission factor as a function of the angle between the sensor and points on the floor.