baber/WOPTO huggingface dataset:
Patent CA-2169293-A1 (CA)
Inventor: TSUKUDA AKIMITSU
IPC: G11B5/738
Filed: 1995-06-21
Abstract: A magnetic recording medium comprising a magnetic layer provided on one side of a base film made from an aromatic polyamide or polyimide, wherein the number (H2) of coarse surface protrusions on the magnetic layer side and the number (H3) of coarse surface protrusions on the nonmagnetic layer side satisfy the following conditions: H2 <= 50, 2 <= H3 <= 100 and the Young's modulus (E20) of extension in at least one direction of the base film at 20 ~C and the Young's modulus (E100) of extension in the same direction of the base film at 100 ~C satisfy the following conditions: E20 >= 800 kg/mm2, 0.5 <= E100/E20. This medium is excellent in durability, traveling behavior and output characteristics under severe environmental conditions, particularly at high temperatures.
Patent CA-2170803-A1 (CA)
Inventor: IN-KYUNG KIM
IPC: H04L27/00
Filed: 1996-03-01
Abstract: A method and apparatus for the fast acquisition of GMSK-modulated signal for CDPD applications wherein the frequency offset and time of arrival of the data sequence are quickly determined.  The computational burden is reduced by roughly estimating the frequency offset using an operation insensitive to timing uncertainty and roughly estimating the time of arrival using an operation insensitive to frequency offset using the roughly estimated frequency offset and time of arrival to construct a small two dimensional array to determine the final frequency offset and time of arrival.
Patent CA-2171272-A1 (CA)
Title: Moving in a fixed base
Inventor: GARLAND THOMAS A
IPC: A47D13/04
Filed: 1996-03-07
Abstract: Apparatus for moving within a region includes a base, a tray and a plurality of legs intercoupling the base and the tray.  The tray carries a seat and is constructed and arranged so that a person sitting in the seat may use foot  power  to  translate  in  any  direction  within  a predetermined region and rotate.
Patent CA-2175172-A1 (CA)
Title: Detachable flat ring mechanism for loose sheet binders
Inventor: LANZARIN GIUSEPPE
IPC: B42F13/16
Filed: 1996-04-26
Abstract: The ring binder consists of a cover (1) with a supporting strip (2) rivetted to its inner surface adjacent to its spine, and a number of rings (4) which are fastened to the supporting strip to hold looseleaf pages. Each of the rings has a flat portion with projecting teeth which can engage with recesses in one side of the supporting strip when the binder is not in use, and with recesses across the supporting strip when in use. The rings are elastically deformable and have tips which are shaped to clip together when closed, and can be pulled apart for the insertion of papers/documents.
Patent CA-2176494-A1 (CA)
Inventor: MILNE ERIN E
IPC: C12R1/19
Filed: 1994-11-15
Abstract: This invention relates to methods for the production of pure hemoglobin solutions, particularly pure hemoglobin solutions derived from expression of hemoglobin in recombinant systems, and compositions thereof. Methods are also disclosed for removal of contaminant hemoglobins using rapid heating to result in substantially protoporphyrin IX-free hemoglobin solutions, and for removal of high amounts of bacterial proteins and simultaneous purification of crude hemoglobin-oontaining starting materials to result in partially purified hemoglobin solutions. Methods for the further purification of partially purified hemoglobin solution and the removal of metal contamination in hemoglobin solutions, if required, are also disclosed.
Patent CA-2178787-A1 (CA)
Title: Objective lens system
Inventor: NEIL IAIN A
IPC: G02B13/02
Filed: 1996-06-11
Abstract: A high performance, large aperture, long focal length visible waveband ob- jective lens system (60) comprises a telephoto objective lens group (48) spaced from a focusing lens group (49) and an auxiliary lens group (54), all supported in a support assembly (43) of fixed length. The lens groups are aligned on a common optical axis (40) and arranged to form a real image (34) in image space (42) from radiation entering the system (60) from a real object in object space (41). The telephoto objective lens group (48) is stationary and comprises a positively powered lens element (A) and a negatively powered lens sub-group (50) containing a quintuplet lens group (51) with lens elements (B, C, D, E, F) and a lens element (G). The quintuplet lens group includes two lens elements (C and E) of liquid materials which exhibit highly abnormal partial disper-sions and one solid glass lens element (F) which exhibits slightly abnormal partial dispersion. In addition, the liquid materials of lens elements (C) and (E) exhibit very large changes in refractive index with temperature and the material of lens element (F) exhibits a compensa- ting large change in refractive index with temperature. The remaining lens ele- ments of the system are common optical glass and exhibit substantially normal par- tial disper-sions. The focusing lens group (49) contains a positively powered first lens group (52) and a negatively powered second lens group (53) which are inde- pendently movable along the optical axis (40) to provide continuous focusing for object to image magnifications from infinity to less than 3:1. The configuration and material selection of the lens system (60) results in a high performance, compact, low in weight, relatively inexpensive, well corrected for chromatic aberration and substantially passively athermal objective lens system.
Patent CA-2179735-A1 (CA)
Inventor: REITZ ALLEN B
IPC: C07D211/94
Filed: 1994-12-22
Abstract: Compounds of general formula (I) are disclosed as novel antipsychotic agents.
Patent CA-2180006-A1 (CA)
Title: Diastereomeric pure trifluoromethyl ketone peptide derivatives as inhibitors of human leukocyte elastase
Inventor: PEGG STEPHEN JOHN
IPC: A61K/
Filed: 1995-02-07
Abstract: The present invention relates to crystalline forms   of   the   compound    (S)-1-[(S)-2-(4-methoxybenzamido)-3-methylbutyryl]-N-[(S)-2-methyl-1-(trifluoroacetyl)propyl]pyrrolidine-2-carboxamide (I) and crystalline solvates thereof which are inhibitors of human leukocyte elastase (HLE), also known as human neutrophil elastase (HNE), making them useful whenever such inhibition is desired, such as for research tools in pharmacological, diagnostic and related studies and in the treatment of diseases in mammals in which HLE is implicated.  The invention also includes phrmaceutical compositions containing the crystalline forms and solvates, processes for preparing the crystalline forms and solvates and intermediates useful in the synthesis of the crystalline forms and solvates.
Patent CA-2181896-A1 (CA)
Title: Swimming pool cleaner discs
Inventor: RICE CHRIS A
IPC: E04H4/16
Filed: 1995-01-18
Abstract: Discs for devices such as automatic swimming pool cleaners are disclosed. The disc (10) includes slots (26) (or other suitable apertures) positioned near their rimmed peripheries.  The peripheries themselves, moreover, incorporated rounded edges (30) or beads, and both the discs and associated footpads may include ramped segments (50) faciliting movement over obstacles extending from swimming pool surfaces.
Patent CA-2182694-A1 (CA)
Title: Aqueous ophthalmic sprays
Inventor: ROWE RAYMOND CHARLES
IPC: A61M11/00
Filed: 1995-03-23
Abstract: A method of administering to the eye a liquid ophthalmic formulation, comprising an ophthalmologically acceptable liquid and optionally containing an ophthalmologically-active substance, characterized in that the formulation has a viscosity in the range 10-3 to 1.0 Pa.s and a resistivity lower than 104 ohm.cm, and that a jet of the formulation is ejected towards the eye, from a spray nozzle (12) situated adjacent to a piezoelectric or electromagnetic transducer (7), to form a stream of uniformly-sized, equally spaced, uncharged droplets, the stream of uncharged droplets is subsequently directed past a charging electrode (13) to induce an electric charge on each droplet in the stream, and the charged droplets discharge their electric charge by earthing on contact with the eye; and spraying apparatus suitable for use in that method.
Patent CA-2185604-A1 (CA)
Inventor: ECKSTROM LOIS A
IPC: D21H25/06
Filed: 1996-09-16
Abstract: A method for coating paper with an ultraviolet curable resin in order to achieve transparency as a vellum paper and thereby avoid the use of traditional mobile or solid transparentizing resins which are coated using organic solvents whose traces often contaminate xerographic machines. Alternatively, existing vellum paper is coated with an ultraviolet curable resin so as to seal its surface and completely trap the transparentizing resin that it now includes, thus ensuring that the transparentizing resin will not escape and contaminate components of a machine.
Patent CA-2185836-A1 (CA)
Title: Wellhead casing hanger assembly
Inventor: BRABEN JOHN
IPC: E21B19/00
Filed: 1996-09-18
Abstract: Opposed pairs of sockets are formed by the bottom surface of the slip housing and the top surface of the bottom ring of a casing hanger assembly. Vertical holes are provided in the elastomer seal element which is sandwiched between the slip housing and bottom ring. Each pair of sockets and corresponding seal element hole form a socket chamber. Rigid, motion-limiting pins are positioned in the socket chambers. Each pin has side and bottom clearances with the chamber side and bottom walls. The pins are therefore initially free floating, to allow the seal element to move to accommodate oversized casing; but the pins take up the casing load as the slip housing descends and limit its downward travel, thereby preventing excessive compression of the seal element, which can lead to casing damage.
Patent CA-2186918-A1 (CA)
Title: Method and apparatus for reducing data delay within a multi-channel shared-circuit data processing environment
Inventor: GERVESHI CHRISTINE MARY
IPC: H04N21/434
Filed: 1996-10-01
Abstract: A multi-channel integrated circuit, which includes N processing channels and a functional circuit which is time-shared between each of the N channels for processing data in accordance with a first clock strobe. Also included is a time-division multiplexed bus for providing synchronized data to and receiving synchronized data from said circuit in accordance with a second clock strobe.  The data are thereby processed within said shared circuit in synchronization with said first and second clock strobes.
Patent CA-2187738-A1 (CA)
Inventor: NOAKES TIMOTHY JAMES
IPC: B05B5/053
Filed: 1995-04-24
Abstract: An electrostatic spraying device for use in spraying inter alia personal care and personal hygiene products comprises an outlet (94) from which the product issues in the form of an electrostatically charged spray and a control member (60, 60a) for attenuating the potential gradient in the vicinity of the outlet (94) to such an extent that spraying is suppressed until the device is brought to within a predetermined distance from a site to be sprayed.
Patent CA-2188548-A1 (CA)
Title: Comb pigment dispersants
Inventor: SIMMS JOHN A
IPC: C09K23/34
Filed: 1995-05-15
Abstract: The polymeric pigment dispersants of this invention are polyester/acrylic comb polymers which are the reaction product of 20-85 % of a carboxylic functional polyester copolymer, 10-50 % of an oxirane substituted acrylic copolymer, and 2 to 20 % of an imide compound. These materials disperse a wide variety of pigments and are useful in solvent borne coatings where they can provide improved efficiency of pigment use, lower paint viscosity, and reduced emission of volatile organic solvent.
Patent CA-2190722-A1 (CA)
Title: Ganglioside having fluorescence-labelled ceramide portion and process for producing the same
Inventor: IIDA TAKAO
IPC: C07H15/26
Filed: 1995-05-18
Abstract: A ganglioside having a fluorescence-labelled ceramide portion and represented by general formula (I), wherein -O-R-O- represents a sugar chain constituting a ganglioside; R' represents an ether, sulfide, amide, urethane, thiourea or amino group having a fluorescent dye; one of R5 and R6 represents a single bond and the other represents hydrogen; 1 represents an integer of 1 to 8; m represents an integer of 2 or above; and n represents an integer of 0 to 12.  This derivative, having the recognition characteristics of the sugar chain portion thereof and the labelling function of the fluorescent dye introduced into the ceramide portion, is utilizable as a reagent which can trace dynamic behaviors of glycolipid receptors, a reagent for laboratory diagnosis of bacteria and viruses, and so forth.
Patent CA-2193172-A1 (CA)
Title: Two-dimensional optoelectronic tune-switch
Inventor: DUGUAY MICHEL A
IPC: G02B6/34
Filed: 1996-12-17
Abstract: A    communications    switch    for    switching telecommunications   signals   from   input   wavelength division multiplexed (WDM) optical fibers to output WDM optical   fibers   is   disclosed.   A   two-dimensional optoelectronic  switch  is  also  described  which  uses tunable  lasers  and  optical  diffractive  elements  to switch  a  matrix  of  input/output  gigabaud  channels without blocking. As the channels proceed through the switch they are spatially switched among one another first within rows, then within columns, and then again within  rows  in  the  matrix.   The  two-dimensional optoelectronic  tune-switch  (2DOTS)  can  realize  the functionality  of  the  nonblocking  three-stage  Clos switch   for   input/output   ports   carrying   several gigabit/s data streams.
Patent CA-2193652-A1 (CA)
Title: Dual open porosity monolithic expanded aluminosilicate
Inventor: GARNIER CORINNE
IPC: B01J20/16
Filed: 1995-06-19
Abstract: Partially crystallized monolithic expanded aluminosilicate characterized in that its dual open porosity makes it superabsorbent to liquids, especially to water. The expanded material of the invention results from the stages of mixing ground glass with 0.5 - 5 wt % of an aluminium-based nitride; oxidising said nitride with the glass, heating the previously obtained powder for at least 5 hours at a temperature ranging from the Littleton temperature to the glass working temperature, and then cooling and collecting the aluminosilicate. Application as filter and catalyst carrier.
Patent CA-2194813-A1 (CA)
Inventor: LO FRANCIS
IPC: D06F71/34
Filed: 1997-01-10
Abstract: A power press having a press bed and lower ironing panel secured to the press bed and including a generally horizontal upper face. A press arm is pivotably mounted to the press bed. An upper press soleplate is secured to the press arm and is movable with the press arm between closed and open positions. A spraying device responsive to movement of the press arm is further provided. A motor driven activator acts between the press bed and the press arm to move the press arm and in turn the upper press soleplate between the open and closed positions.
Patent CA-2196946-A1 (CA)
Inventor: PEARCE RICHARD A
IPC: F21V33/00
Filed: 1997-02-06
Abstract: A novelty ceiling fan is provided having an electric fan motor with separate stationary members and rotating surfaces, and a plurality of radially extending blades being secured to the one of the rotating surfaces. The ceiling fan also includes a tubular downrod for pivotally suspending the ceiling fan from a ceiling, and at least one electrical switch for selectively controlling the operation of the fan motor. A U-shaped mounting bracket is provided, securable to one of the stationary members of the fan motor, for detachably connecting a decorative globe to the fan motor substantially enclosing at least the lower and side surfaces. The decorative globe has upper and lower portions with the upper portion being comprised of a generally cylindrical side wall which defines an upper opening. The lower portion is selectively configured to generally depict conventional features of a novelty or cartoon character such as a bear head, the conventional features including a head, eyes, ears, a nose, a mouth and cheeks. Preselected portions of the conventional features are three dimensionally formed by the lower portion of the decorative globe. The plurality of blades have first and second sides wherein an appendage corresponding to the novelty character is provided on the first side and at least two bees are provided on the second side.
Patent CA-2198054-A1 (CA)
Inventor: ECKELBARGER SCOTT B
IPC: A45D19/10
Filed: 1997-02-20
Abstract: A supporting device is disclosed which is intended to be attached to a hair washing basin or sink commonly employed in beauty salons, and is specifically directed to such a support which will comfortably prop the neck and the head of a person while that person is in a supine position yet leave substantially all of the hair area free to be worked.
Patent CA-2198445-A1 (CA)
Title: Aqueous polyurethane-ureas, a process for their production and their use in coating compositions
Inventor: ROSCHU ROLF
IPC: C08G18/08
Filed: 1997-02-25
Abstract: The present invention relates to aqueous polyurethane-urea dispersions which are film forming at temperatures of ~ 20°C in the absence of film forming additives, dry at room temperature to yield films having a hardness according to DIN 53 157 (König pendulum hardness) of ~ 100 seconds, in which the polyurethane-ureas have a urethane group content (calculated as -NH-CO-O-, molecular weight 59) of 7 to 20 wt.%, and a urea group content (calculated as -NH-CO-N, molecular weight 57) of 5 to 18 wt.%, and contain 15-70 wt.%, based on resin solids, of structural units prepared by incorporating 1-methyl-2, 4- and/or -2,6-diisocyanatocyclohexane in the form of urethane and/or urea groups.  The present invention also relates to a process for the production of these aqueous polyurethane-urea dispersions and to their use in coating compositions.
Patent CA-2199919-A1 (CA)
Inventor: DAHMER JUERGEN
IPC: C07C263/04
Filed: 1997-03-13
Abstract: This present invention relates to a process for thermally cracking carbamic acidesters into the corresponding isocyanate and hydroxyl compounds in the liquid phase, wherein the reaction proceeds as a reactive rectification in the stripping zone of a column and in an inert, high-boiling solvent, which acts as a buffer to keep the reaction away from the evaporator region of the column.
Patent CA-2200219-A1 (CA)
Inventor: HOUSTON JOHN C
IPC: E05F15/16
Filed: 1995-09-12
Abstract: An apparatus is disclosed for mounting a chamber door between open and closed positions relative to the opening of a sterilizer or autoclave chamber. The apparatus is adapted to be used in either motorized or non-motorized embodiments. The weight of the chamber door is offset by a counterweight and suspended using a cable and pulley system. In the non-motorized embodiment, the door/counterweight system is held in place by a securement, which, when disengaged, permits free motion of the door. In the motorized embodiment, a second cable and pulley system is used to connect the door and counterweight. The cable from this second system is looped around a sheave which is adapted to provide a predetermined frictional force. The sheave is then connected to and rotated by a motor, and upon activation of the motor, the rotating sheave displaces the cable, which respectively raises or lowers the door and counterweight. In the event that the door is obstructed during operation or forced open, the cable will slip harmlessly along the sheave, and will neither injure the operator nor induce damaging torques in the motor.
Patent CA-2209887-A1 (CA)
Title: Method and apparatus for traffic control in a cell-based network
Inventor: FAHMI MAHER NIHAD
IPC: H04L12/70
Filed: 1997-07-09
Abstract: A method and apparatus for traffic control in an ATM-based network is provided to avoid congestion of traffic flows and false identifications of conforming and non-conforming cells.
Patent CA-2211165-A1 (CA)
Title: Methods for sensitive detection of reverse transcriptase
Inventor: YAMAMOTO SHINJI
IPC: C12Q1/70
Filed: 1996-01-26
Abstract: The present invention provides a method for detecting the presence of a retrovirus in a biological sample comprising the steps of : a) contacting the biological sample with an RNA template and a complementary DNA primer under conditions whereby the RNA template and the DNA primer will anneal and a DNA  strand will be synthesized as an extension from the DNA primer if reverse transcriptase is present in the sample; b) amplifying the synthesized DNA; and c) detecting the amplification of the synthesized DNA, the amplification of the synthesized DNA indicating the presence of reverse transcriptase in the biological sample, thus indicating the presence of a retrovirus in the biological sample.
Patent CA-2212241-A1 (CA)
Title: Composition for combatting nuisance caused by garbage in garbage containers and use of the composition
Inventor: SOVIK SVEINUNG
IPC: B01J20/14
Filed: 1997-01-03
Abstract: A composition for combating bad smell emitted from garbage containers comprises water insoluble granulates having large inner surface and capable of absorbing moisture due to strong capillary effect, and one or more hypochlorite compounds. The granulates may consist of granulated fossil diatomaceous earth which has been specially treated at very high temperature, and the hypochlorite compound may be an alkali metal hypochlorite or an alkaline earth metal hypochlorite. For combating insect activity in and around garbage containers in addition to combating bad smell emitted therefrom the composition further comprises a substance which in combination with hypochlorite exerts a strong insect repellent effect. Use of the composition in garbage containers is also claimed.
Patent CA-2212557-A1 (CA)
Title: Automatic string instrument tuner
Inventor: KHORRAMI FARSHAD
IPC: G10G7/02
Filed: 1996-11-12
Abstract: A tuning system (150) is described for automatically tuning a musical instrument having adjustment means for changing the frequency of a musical tone produced by a musical string of the instrument. The tuning system (150) of the present invention is useful with respect to a wide variety of musical instruments, e.g., string instruments such as, guitars, harps, pianos, etc., and other instruments. A tuning system (150) is operative to selectively tune a musical string of a stringed instrument to a user selected predetermined frequency value.
Patent CA-2214753-A1 (CA)
Title: Method and apparatus for monitoring soil compaction
Inventor: COOK ERIC JOHNSTONE
IPC: E01C19/28
Filed: 1996-03-01
Abstract: The invention concerns the monitoring of the level of compaction of a soil surface undergoing compaction by means of an impact compactor which includes a rotatable, multi-sided compactor mass that applies periodic impact blows to the soil surface when rolled over that surface.    In accordance with the invention, data related to the level of compaction of the soil surface is derived, during compaction of the soil surface, from the deceleration of the compactor mass as it impacts the soil surface. This is achieved using one or more accelerometers mounted on the impact compactor. The invention also concerns a soil compaction apparatus having the facility to monitor the level of compaction of the soil as compaction proceeds.
Patent CA-2219255-A1 (CA)
Inventor: SVENSSON KJELL
IPC: H02M7/757
Filed: 1997-11-13
Abstract: A plant for transmitting electric power between a direct voltage network and an alternating voltage network through a power station. A converter of a station has two current valves connected in series, each having one turn-on and turn-off type breaker and a diode connected anti-parallel therewith. Circuits are provided to detect the direction and the intensity of the current through the converter, as well as the current valve through which it flows to actuate the control apparatus of the basis of the detected current level and the identity of the valve carrying the current. The control apparatus operates to commutate current through the valve which is not carrying current when a detected current level in the current carrying valve exceeds a first predetermined level.