baber/WOPTO huggingface dataset:
Patent CA-2241087-A1 (CA)
Inventor: BOSMA MARTIN
IPC: C09K19/38
Filed: 1996-12-16
Abstract: The invention is directed to a liquid crystalline display comprising a display cell containing liquid crystalline material and a retardation layer, said retardation layer comprising a, preferably slightly cross-linked, high-molecular weight material layer and a substrate, wherein the high-molecular weight material has a nematic phase above its Tg and a dynamic viscosity at the working temperature of at least 100 Pa.s, and the difference of the Tc of the high-molecular weight material and the Tc of the low-molecular weight material of the display cell (Tccell) is in the range of -30 ~C to +30 ~C, preferably in the range of -20 ~C to +20 ~C, and more preferably in the range of -10 ~C to +10 ~C; and the Tg of the high-molecular weight liquid crystalline material is lower than 50 ~C. It was found that if high-molecular weight material is used with a Tc comparable with that of the, preferably low-molecular weight, liquid crystalline material of the active cell, the temperature dependency of the retardation value of the retardation layer is comparable with that of the active cell. Thus, the retardation value of the retardation layer is comparable with that of the active cell within the temperature range in which displays are used. It was further found that by cross-linking of the high-molecular weight liquid crystalline material, the retardation layers according to the invention become less susceptible to pinhole forming and unwanted variation of the twist, and have improved mechanical stability.
Patent CA-2241784-A1 (CA)
Inventor: SCHADE CHRISTIAN
IPC: A61K47/32
Filed: 1997-01-03
Abstract: L'invention concerne des granulés qui sont obtenus par compression de mélanges contenant, comme composant principal, au moins un polymère en poudre contenant des groupes carboxyle et modifiant les caractéristiques rhéologiques, et au moins un composant soluble dans l'huile.
Patent CA-2242161-A1 (CA)
Title: Optical disk, and information recording/reproduction apparatus
Inventor: SATOH ISAO
IPC: G11B7/24073
Filed: 1994-06-07
Abstract: In an optical disk having a recording plane with a spiral first track and a spiral second track, information being recorded into and/or reproduced from said first and second tracks, the first track is formed in a groove-like shape, the second track is formed between adjacent first tracks and in a land-like shape, and information is recorded in the first and second tracks in different modulation methods.
Patent CA-2243749-A1 (CA)
Title: Fixture and method for compressing wire mesh grip to facilitate installation on cables
Inventor: SIMON ROBERT J
IPC: H02G1/08
Filed: 1998-07-22
Abstract: A fixture for installing a flexible wire mesh grip over an elongated cable includes a base having spaced opposite ends and an internal cavity extending longitudinally therebetween. The spaced opposite ends define respective first and second passages opening into the internal. cavity. The internal cavity has a cross-sectional size larger than that of a tubular body of the grip in a compressed non-gripping condition to accommodate the presence of the tubular body in the compressed non-gripping condition and of an annular collar secured on one end thereof within the internal cavity. The internal cavity and first and second passages of the base have respective cross-sectional sizes larger than that of the cable to permit insertion of the cable therethrough. The cross-sectional size of at least one of the first and second passages of the base is smaller than that of the internal cavity and of the annular collar and the tubular body in the compressed non-gripping condition so as to define an interior shoulder on the base that at least partially surrounds the one passage and against which the annular collar secured on the one opposite end of the tubular body can be placed to facilitate moving the other opposite end of the tubular body toward the annular collar and one opposite end to convert the tubular body from an expanded gripping condition to the compressed non-gripping condition with respect to the cable and thereby facilitate movement of the cable through the passageway of the tubular body and thus relative to the grip.
Patent CA-2245099-A1 (CA)
Title: Immortal human prostate epithelial cell lines and clones and their applications in the research and therapy of prostate cancer
Inventor: TOPALIAN SUZANNE L
IPC: G01N33/531
Filed: 1997-01-30
Abstract: The present invention relates to immortalized, malignant, human, adult prostate epithetial cell lines or cell lines derived therefrom useful in the diagnosis and treatment of prostate cancer. More particularly, the present invention relates to cloned, immortalized, malignant, human, adult prostate epithelial cell lines and uses of these cell lines for the diagnosis and treatment of cancer. Furthermore, the present invention provides for the characterization of said cell lines through the analysis of specific chromosomal deletions.
Patent CA-2245211-A1 (CA)
Inventor: ONAN DAVID D
IPC: E21B33/138
Filed: 1998-08-14
Abstract: The present invention provides methods of modifying the properties of a subterranean stratum penetrated by a well bore to increase the resistance of the stratum to shear failure.          The  methods  basically  comprise  the  steps  of  preparing  a hardenable epoxy composition having flexibility upon hardening comprising an epoxide containing liquid or an epoxy resin and an epoxide containing liquid and a hardening agent.   The epoxy composition is pumped into the subterranean stratum by way of the well bore and by way of the porosity of the stratum and then allowed to harden in the stratum.
Patent CA-2246401-A1 (CA)
Inventor: KATO HIDEO
IPC: E04H7/04
Filed: 1997-12-19
Abstract: Problems: to safely and easily dismantle tanks or the like and perform operations efficiently in a short time and greatly promote improvement of safety and labor saving. Solving Means: a work vehicle (3) mounting thereto an attachment (1) having an openable blade capable of performing drilling and cutting actions makes an opening (10a) in a side of a tank (10), makes cutting in the side of the tank (10) with the opening (10a) as a starting point, removes cut pieces to enlarge the opening (10a), supports a portion of the tank (10) above the opening (10a) before the tank (10) buckles, makes cutting in the side of the tank (10), and removes cut pieces to enlarge the opening (10a); then a work vehicle (4) adjusts a support force for the tank (10) making use of a deadweight of an upper portion of the tank (10) to have the tank (10) buckle, and the tank (10) after buckling is subjected to disposal by the work vehicle (3) and the work vehicle (4).
Patent CA-2249082-A1 (CA)
Title: A list management system, a list management method, a recording medium wherein a computer program for realizing the list management system is recorded and a packet exchange wherein the list management system is applied
Inventor: MURASE TUTOMU
IPC: H04L49/9015
Filed: 1998-09-29
Abstract: To provide a list management system of the same effectiveness with the LRU method with smaller overhead of the CPU, a list management system comprises: a trigger generating means (14) for generating a trigger signal every time when a time interval is passed; counters (21) each corresponding to each of a plurality of processes (20) and counting a reference frequency of each of the processes (20); a list (24) of elements each corresponding to each of the processes (20) and connected with each other by way of pointer data; and a list maintenance means (23) for rearranging order of the elements according to count values of the counters in descending order of the count values, when the trigger signal is generated.
Patent CA-2251234-A1 (CA)
Inventor: GIRGIS JOHN M
IPC: A61J7/04
Filed: 1998-10-21
Abstract: A portable medication reminder and compliance device carries medication to be taken by a user of the device. The device sounds a periodic beep at medication times, and requires the user to press a button on the device acknowledging that it is medication time. A programming  system includes a docking unit which programs the reminder and compliance device by receiving serially communicated data through an RS-232 or infrared link and the RS-232 or infrared link is connected to the communication port of a personal computer. The reminder and compliance device has an LCD display for providing medication data and messages. Two different alternating messages can be displayed, each for a short period of time. The electronic circuit can record in memory that one or more medications have not been taken on time as prescribed within a preselected time interval.
Patent CA-2252221-A1 (CA)
Title: Adjustable rotation radius articulated joint for gym machines and knee tutors
Inventor: PELLIS GIANCARLO
IPC: A61H1/02
Filed: 1997-04-11
Abstract: This invention can be profitably employed in the fields of medicine and sports in the machines used to strengthen the muscles of the knee and in knee tutors. In its simplest version, the articulated joint is formed by two plates (1, 2) which can move freely on one another; alternatively, one plate (1) or the other (2) can be fastened to a fixed structure by means of a fastener. One of the plates features two openings (2.2, 2.3), where the first (2.2) is located at the centre of a plate and is shaped like a rectangle. The second opening (2.3) has a specific shape: at first it is a circumference whose radius is equal to "I"; subsequently, it is a spiral which returns towards the centre of the plate (2). The other plate features two pins (1.2 and 1.3), located at a distance "I"; the first pin (1.2) is located in the central position and is inserted into the opening (2.2); the second pin (1.3) is in a peripheral position and is located in the second opening (2.3). Alternatively the plate (2) can be replaced by several overlapping plates (3, 4, 5, 6, 7); the semi-plates are arranged in overlapping couples (4, 7 and 5, 6). The semi-plates (4, 7) are fastened to the plate (3) by means of a pin (4.1) placed in an ideal point of rotation (11) and are therefore free to rotate onto the semi-plates (5, 6).
Patent CA-2254633-A1 (CA)
Inventor: PRAHM ANDREAS
IPC: B65B5/06
Filed: 1998-11-26
Abstract: Process and apparatus for handling flexible film packs (10),  namely  transporting  them  and  introducing  them into a folding box  (12),  having a lifting head  (17) which grips a group of packs  (13)  on the top side by suction.  The lifting head  (17)  is part of a lifting conveyer  (16)  and  is connected,  via  a  suction  line (28),  to a vacuum suction fan  (31)  which, with high delivery capacity,  produces  a  slight  suction action, such that the group of packs  (13)  is deformed in a wedge-shaped  manner,  that  is  to  say  such  that  it converges  in  the  downward  direction,  and  is  thus introduced into the open folding box (12).
Patent CA-2255469-A1 (CA)
Title: Apparatus and method for reducing power consumption in a self-timed system
Inventor: PAVER NIGEL C
IPC: G06F1/32
Filed: 1998-12-10
Abstract: A power consumption control apparatus and method for an asynchronous system is provided that reduces power consumption by selecting one of a plurality of power consumption levels for the system. The power consumption levels can be determined based on work load requirements of the system and can be implemented for the system or portions thereof using a single block of the system. The asynchronous system includes a plurality of intercoupled functional units and a power control circuit coupled to a selected one of the plurality of functional units to determine at least one of a first and a second operating speed of a selected functional unit.
Patent CA-2256019-A1 (CA)
Inventor: NILSSON ULF J
IPC: A61P31/04
Filed: 1997-11-07
Abstract: Disclosed are novel solid support matrices having a toxin-binding oligosaccharide covalently attached to a solid support through a linking arm which has at least 8 atoms separating the oligosaccharide from the solid support. The disclosed solid support matrices are useful for neutralizing toxins from disease-causing microorganisms.
Patent CA-2256104-A1 (CA)
Inventor: BRADLEY GARY W
IPC: B08B17/00
Filed: 1998-12-15
Abstract: The present invention provides improved methods of drying pipelines containing water which are to transport hydrate forming gaseous fluids. The methods basically comprise flowing a liquid which forms an azeotrope mixture with water into contact with water in a pipeline, the amount of the azeotropic liquid being sufficient to form an azeotrope mixture with the water whereby as the mixture is evaporated in the pipeline, the water concentration in the remaining mixture does not reach that concentration which will form hydrates with the hydrate forming gaseous fluid.
Patent CA-2256268-A1 (CA)
Title: Throttle controller keeping consistent degree of opening of throttle at mode switching
Inventor: FUKUCHI MASAMITSU
IPC: B60W10/11
Filed: 1998-12-17
Abstract: A throttle controller having a throttle control section is provided so as to eliminate any inconsistency in the degree of opening of the throttle at the time of mode switching, and to obtain a superior driving efficiency. In the driving mode, the throttle control section (1) calculates the degree of opening of the throttle for generating a target driving force calculated based on a plurality of parameters including the degree of depression of the accelerator, and performs a driving-force control. In the manual mode, the throttle control section performs a control for driving the engine using a degree of opening of the throttle which one-to-one-corresponds to the degree of depression of the accelerator. When the mode is switched between the driving andmanual modes, the throttle control section performs switching between the two control modes if the degree of depression of the accelerator is minimum or maximum.
Patent CA-2259341-A1 (CA)
Title: Improvements in or relating to call handling
Inventor: SIKAND PARMINDER SINGH
IPC: H04M3/54
Filed: 1997-06-30
Abstract: A method for routing a call to a called party who may be located at any one of plural sites which avoids delays in connecting the called party to the received call. When a call is received at a switch, a controller at the switch uses an embedded data base to identify plural sites where the called party may be located from among a multiplicity of sites to which the switch can be connected and causes the switch to initiate parallel connections from the switch to the identified sites. Another method of operating a telephone system in which a called party receives a telephone call from a calling party which is not to be answered and in which the called party is free to use its telephone while continuing to provide a ring signal to the calling party. Upon receipt of one or more rings at the called party's telephone, one or more key strokes are entered at the called party's telephone to provide a refusal signal to the telephone system which is providing a ring signal to the calling party. A further method of routing an incoming telephone call to a called party having plural telephone numbers in which a telephone call for the called party is received at a switching system, and automatically screened to determine where the received call is to be routed among plural devices with different telephone numbers for accessing the called party, where the devices may include a wireless telephone and a pager.
Patent CA-2261427-A1 (CA)
Inventor: SWANSON HILMER IRVIN
IPC: H03F3/38
Filed: 1999-02-09
Abstract: A pulse step modulator including a plurality of series connected unit step modules, each with a DC voltage source and an associated actuatable switch for, turning on the associated to provide a unit step voltage. An output circuit connected to the series connected modules for providing an output voltage to a load, the magnitude of the output voltage being equal to the sum of all the voltage sources of the modules that are turned on. A plurality of module turn on signals are provided, each for turning on a switch on one of the modules for the time duration of the turn on signal after which the switch is turned off. Each unit step module includes a transformer means exhibiting an associated unwanted capacitance becomes charged when the associated switch is turned on. Each unit step module has capacitance discharge means.
Patent CA-2261932-A1 (CA)
Inventor: KOBE JAMES J
IPC: A61F5/443
Filed: 1996-12-23
Abstract: A low profile, two-piece ostomy appliance is disclosed that has a contact responsive non-tacky fastener system comprising a fastener that is attached to the ostomy appliance and a landing zone component that is attached to the peristomal area of the user. The fastening layer of the fastener system is preferably multiply releasable and refastenable against the non-tacky target, and preferably has a 90~ peel strength of less than about 3 kN/m and a dynamic shear strength of greater than 2 kN/m2 when in contact with the target surface.
Patent CA-2262777-A1 (CA)
Title: Process for cold forming tube ends
Inventor: SAVESCU OVIDIU I
IPC: B21D19/12
Filed: 1999-02-24
Abstract: A process for cold forming the ends of metal tubes to reinforce same includes a die cavity into which the tube is placed. The die cavity includes a section with a recess having a greater diameter than the tube. The tube is placed such that a portion is left outside of the cavity and a mandrel is inserted into the tube. The mandrel includes a section that is adapted to bear against the portion of the tube outside of the cavity and to deform same. The deformation process results in the tube being folded upon itself within the recess in the cavity thereby forming a reinforcing flange at the end of the tube. The process is conducted without heating the tube.
Patent CA-2264819-A1 (CA)
Inventor: SHEAR VICTOR H
IPC: G06Q20/04
Filed: 1996-09-04
Abstract: The present inventions provide an integrated, modular array of administrative and support services for electronic commerce and electronic rights and transaction management. These administrative and support services supply a secure foundation for conducting financial management, rights management, certificate authority, rules clearing, usage clearing, secure directory services, and other transaction related capabilities functioning over a vast electronic network such as the Internet and/or over organization internal Intranets. These administrative and support services can be adapted to the specific needs of electronic commerce value chains. Electronic commerce participants can use these administrative and support services to support their interests, and can shape and reuse these services in response to competitive business realities. A Distributed Commerce Utility having a secure, programmable, distributed architecture provides administrative and support services. The Distributed Commerce Utility makes optimally efficient use of commerce administration resources, and can scale in a practical fashion to accommodate the demands of electronic commerce growth. The Distributed Commerce Utility may comprise a number of Commerce Utility Systems. These Commerce Utility Systems provide a web of infrastructure support available to, and reusable by, the entire electronic community and/or many or all of its participants. Different support functions can be collected together in hierarchical and/or in networked relationships to suit various business models and/or other objectives. Modular support functions can be combined in different arrays to form different Commerce Utility Systems for different design implementations and purposes. These Commerce Utility Systems can be distributed across a large number of electronic appliances with varying degrees of distribution.
Patent CA-2265729-A1 (CA)
Inventor: CARPINELLA RALPH
IPC: A47B91/12
Filed: 1998-03-31
Abstract: A furniture glide (10) has a clip (24) having a pair of upstanding arms (28) mounted within a circular ferrule (12). The ferrule (12) defines a ferrule opening (18) having a diameter less than a diameter of the clip arms (28). The clip (24) is sufficiently resiliently deformable to be insertable through the ferrule opening (18) and return to its original diameter. A rivet (36) having a convex swivel surface (42) and concave swivel surface (44) extends from the ferrule (12) to support a shell assembly (46) on the convex swivel surface (42). A glide base (56) is mounted to the shell assembly (46) and contacts the concave swivel surface (44).
Patent CA-2265973-A1 (CA)
Title: An optic incorporating a power gradient
Inventor: GUPTA AMITAVA
IPC: B29D11/00
Filed: 1997-09-08
Abstract: A progressive optic (10) has an optical preform (30) wherein the radius of curvature of the surface is altered by forming discrete spherical portions (20) across the surface. A thin intermediate layer (40), having a different refractive index from the optical preform (30), is then cast over the formed optical preform surface. The optical preform (30) having the thin intermediate layer (40) is then cast with a resin superstrate layer (60) which restores the curve of the optic (10). Each spherical section (50), defined by spherical portions (20) and corresponding portions of outer surface of the superstrate layer (60), alters the spherical power of the adjacent spherical section (50) by about .03D to .05D.
Patent CA-2267759-A1 (CA)
Title: Insecticidal and miticidal compositions
Inventor: FUKUCHI TOSHIKI
IPC: A01N53/00
Filed: 1997-10-02
Abstract: An insecticidal and miticidal composition comprising as active ingredients 4-bromo-2-(4-chloro-phenyl)-1-(ethoxymethyl)-5-(trifluoromethyl)pyrrole-3-carbonitrile and a pyrethroid insecticidal ingredient(s). This insecticidal and miticidal composition is effective against pests and mites which are resistant against the insecticidal and miticidal agents on the market.
Patent CA-2267971-A1 (CA)
Title: Drive head assembly
Inventor: DEDELS RICK
IPC: E21B43/12
Filed: 1999-04-06
Abstract: The present invention provides a pump drive assembly for a deep well, submersible, progressing cavity pump that includes an internal hydraulic pump for slowing the counter rotation of the polished rod induced by recoil in the sucker rod. The pump drive assembly includes a housing enclosing a hydraulic fluid reservoir and a gear chamber separate from the reservoir. A drive shaft extends into the housing and includes a drive gear integral with or keyed to the drive shaft. A main shaft also extends into the housing and includes a main gear integral with or keyed to the main shaft. The main gear is engaged with the drive gear within the gear chamber, where the gear chamber includes an inlet and an outlet channel providing fluid communication between the gear chamber and the reservoir, so that the gears form a reversible gear pump within the housing. The reversible gear pump operates to pump hydraulic fluid from the reservoir into the gear chamber and back into the reservoir. During normal operation of the drive assembly, the gear pump will operate in the forward direction; but when the polished rod is caused to recoil, the gear pump will be caused to operate in the reverse direction. Therefore, the pump drive assembly also includes a flow resistor coupled to at least one of the inlet and outlet channels for retarding the flow of the hydraulic fluid when the gear pump is operating in the reverse direction, thus slowing counter-rotation of the polished rod during recoil.