baber/WOPTO huggingface dataset:
Patent CA-2151695-A1 (CA)
Title: Procede de separation de diacides aliphatiques a partir de leurs melanges avec l'acide adipique
Inventor: DENIS PHILIPPE
IPC: C07C51/487
Filed: 1995-06-13
Abstract: La présente invention concerne un procédé de séparation de diacides aliphatiques saturés, à partir de mélanges contenant également au moins de l'acide adipique, par transformation d'au moins une partie desdits diacides en anhydrides  correspondants.   Plus précisément,  elle consiste en un procédé de séparation d'au moins une partie d'un ou plusieurs diacides aliphatiques saturés ramifiés ayant  6 atomes de carbone,  à partir de mélanges  les contenant avec au moins de l'acide adipique, caractérisé en ce que ledit ou lesdits diacides sont transformés au moins partiellement en anhydrides correspondants.
Patent CA-2152905-A1 (CA)
Title: Evaluation of heart mechanical performance
Inventor: MCINTYRE KEVIN M
IPC: A61B5/024
Filed: 1993-12-23
Abstract: The invention evaluates the mechanical condition of a heart in a patient (10) by noninvasively providing a pulse signal representative of arterial pulsation by placing a transducer (11) sufficiently close to the skin of the patient (10) to provide an electric signal representative of the arterial pulsation. The patient (10) is subjected to a heart-straining maneuver to provide an arterial pulse contour squarewave signal during the heart-straining maneuver having an early strain phase amplitude at the beginning of the heart-straining maneuver and a later strain amplitude at the end of the heart-straining maneuver. An indication is provided of the ratio of the late strain phase amplitude which ratio is representative of the mechanical condition of the heart of the patient (10).  The invention may also provide an indication of the relationship between that ratio and the pulmonary capillary wedge pressure of the patient (10). The invention may also provide an indication of the state of the hydration of the patient (10).
Patent CA-2153331-A1 (CA)
Title: Composition and process for surface treating metal prior to cold working
Inventor: MIYAFUJI KAZUTOMO
IPC: C23C22/34
Filed: 1994-01-11
Abstract: A bath for treating metal surfaces for the formation thereon of composite films for the cold working of metal advantageously comprises an otherwise conventional coating bath that also contains organic cationic polymer having at least 1 cationic nitrogen atom per molecule and having a molecular weight of 1,000 to 1,000,000, or a salt of such a polymer. Major improvements in the lubrication properties, particularly in the seizure resistance can be achieved by applying out a conventional lubrication treatment on such a composite film. Specifically, practical operating limits in metal cold working, e.g., the working degree or ratio, working speed, tool life, and the like, can be increased in a single step. This is useful in terms of improving productivity, product stability, cost reduction, and the like.
Patent CA-2155400-A1 (CA)
Title: Overhead track high density storage system with center and side guide rollers and caster lock alignment clip
Inventor: MCALLISTER LARRY N
IPC: B65G1/10
Filed: 1995-08-03
Abstract: An overhead track high density storage system is formed by connecting an overhead track to the top posts of stationary storage units, thereby holding the track above a horizontal support surface, such as the floor. Movable storage units, such as shelves mounted on casters, are positioned between the stationary storage units. Guide roller means attached to the top of the movable storage units are received within the track so that translational movement of the movable storage unit is confined to a path defined by the track. The guide roller means include a center guide roller and at least one side guide roller mounted for rotational movement to a guide roller support channel. Each caster is locked into a directional position to prevent swiveling with a single caster alignment clip, which includes upstanding fingers defining a slot therebetween. The slot of the clip engages a portion of the movable storage unit, such as a support rod in a truss of a wire shelf that forms a part of the movable storage unit.
Patent CA-2160305-A1 (CA)
Title: Control of oilfield biofouling
Inventor: HEGARTY BRYAN MARTIN
IPC: A01N43/80
Filed: 1995-10-11
Abstract: The invention describes a process for controlling contamination of oil production system waters by sessile bacteria, comprising a) addition of a slug dose of a biologically effective amount of a quick-kill biocide, simultaneously with or followed by b) intermittent addition of a biologically effective amount of a control biocide. This dosing regime is found to be surprisingly effective when compared with known dosing regimes.
Patent CA-2161868-A1 (CA)
Title: Wobble yoke assembly
Inventor: CLUCAS DONALD MURRAY
IPC: F16H23/00
Filed: 1994-05-05
Abstract: A wobble yoke mechanism for converting reciprocating motion to rotary motion (or vice versa) in which each of two yokes (4) are connected to beams (3) by bearings (10, 10, 15, 15') having only one degree of freedom. The two yokes are 90° out of phase. An eccentric bearing (15) also having only one degree of freedom, is fitted to or about the nutating shaft (16) and is connected to one end of each of the yokes (3). All the axes of the pairs of bearings pass through a central pivot point (5). The axes of the pistons need not be straight nor need they be parallel with the axis of the crankshaft (12).
Patent CA-2163279-A1 (CA)
Title: Improved switched reluctance speed sensor
Inventor: SEEFELDT JAMES D
IPC: G01P3/488
Filed: 1995-11-20
Abstract: A bearing assembly for a vehicle including a fixed element, a rotating element rotating relative to the fixed element about an axis, and an annular sensor connected to one of the fixed element and the rotating element.  The sensor includes a pick-up coil and an annular magnet connected to the pick-up coil.  The magnet has a plurality of magnetic regions which alternate in polarity around the magnet.  The magnet generates a magnetic flux path magnetically coupling the magnet to the coil and resulting in the generation of an electrical signal in the coil.  The rotating bearing element includes a plurality of gear teeth.  The gear teeth generate a change in the reluctance of the magnetic flux path to vary the electrical signal in response to the angular speed of the fixed element relative to the rotating element.
Patent CA-2164435-A1 (CA)
Inventor: KUMAR VINOD
IPC: H04B7/185
Filed: 1994-06-07
Abstract: Dispositifs de sélection d'un satellite de rattachement pour un terminal (T) d'un système de radiocommunications comprenant une pluralité de satellites defilant, comprenant des moyens de mesure pour établir une information de localisation (D) fonction de la position du terminal par rapport à chacun des satellites de proximité (S1, S2, S3) sur lesquels il a acquis la synchronisation, des moyens d'estimation pour estimer la durée de visibilité de chacun de ces satellites à partir de l'information de localisation et des moyens de sélection pour sélectionner celui des satellites (S2) qui présente la plus grande durée de visibilité estimée.
Patent CA-2164665-A1 (CA)
Inventor: BYCZEK ROGER W
IPC: H01R13/11
Filed: 1995-12-07
Abstract: An improved female connector element for a pin and socket electrical connector includes at least four flexible fingers or "cantilever beams" forming a cylindrical socket for the pin of a male connector.  A cylindrical sleeve surrounds the fingers and extends beyond their free ends to form an inwardly extending annular guide lip which defines the inlet opening for the pin.  The lip both guides the pin properly into the socket and limits the size of the pin that may be inserted, thereby reducing potential damage to the fingers while providing a reliable, durable connector.
Patent CA-2166553-A1 (CA)
Title: Color liquid crystal display backlight system for night vision imaging system compatibility
Inventor: HABING ROBERT D
IPC: G02F1/13357
Filed: 1994-07-18
Abstract: The disclosure is directed to a color liquid crystal display backlight system for daytime and nighttime use. Night vision imaging system requirements ate met so that light emissions from the 630 nm to 930 nm range are substantially reduced or eliminated. Separate daytime and nighttime light sources ate utilized. The NVIS compatible nighttime source is positioned to be out of sight of a user and produces an appropriately filtered, substantially collimated beam which diffusively reflects from the inside walls and base of the display housing before it illuminates the display surface. Intensities of both daytime and nighttime light sources can be controlled.
Patent CA-2167031-A1 (CA)
Inventor: KRZYSTOWCZYK NIOMI L
IPC: C07F5/02
Filed: 1996-01-11
Abstract: Pentafluorophenylmagnesium halides are prepared by a Grignard exchange reaction of hydrocarbylmagnesium halide with pentafluorochlorobenzene. The pentafluorophenylmagnesium halides are converted to pentafluorophenyl metal or metalloid derivatives by reacting them with metal or metalloid halides such as BF3.
Patent CA-2168113-A1 (CA)
Title: Therapeutic peptide derivatives
Inventor: KIM SUN HYUK
IPC: A61K38/22
Filed: 1994-08-08
Abstract: Peptide derivatives containing  one  or  more  substituents separately linked by an amide, amino or sulfonamide  bond to an amino group on either the N-terminal  end or side chain  of a biologically active peptide  moiety.  The peptide derivatives have relatively enhanced biological activity when compared to the corresponding  peptide alone.
Patent CA-2170259-A1 (CA)
Title: Filter material and a method of removing nitrogen oxides from gases and liquids
Inventor: SCHLEICHER ANDREAS
IPC: B01D53/34
Filed: 1994-08-11
Abstract: Filter material and method of removing oxides of nitrogen from gases and liquids A filter material based on a polyarylenethioether with recurring units of the formula -¢(Ar1)n-X)!m-¢(Ar2)i-Y)!j-¢(Ar3)k-Z)!1-¢(Ar4)o-W)!p- (I) in which Ar1, Ar2, Ar3, Ar4, W, X, Y and Z independently of one another are identical or different, the indices n, m, i, j, k, l, o and p independently of one another are zero or integers 1, 2, 3 or 4, the sum of which is at least 2, Ar1, Ar2, Ar3 and Ar4 are arylene systems of 6 to 18 carbon atoms and W, X, Y and Z are divalent linking groups selected from -SO2-, -S-, -SO-, -CO-, -O-, -CO2-or alkylene or alkylidene groups of 1 to 6 carbon atoms, for removing oxides of nitrogen (NOx) from gases or liquids. Also claimed is a method of removing oxides of nitrogen, in which an NOx-containing gas or a liquid is brought into contact with the abovementioned filter material and a chemical reaction occurs. Nitrogen monoxide can likewise be removed by adding to the filter material oxidative inorganic or organic compounds having an electron potential of greater than or equal to 0.96 V.
Patent CA-2171980-A1 (CA)
Inventor: BRADLEY WILSON E
IPC: F28F1/02
Filed: 1994-09-16
Abstract: A coil assembly (12) for use in a heat exchanger hav-ing air flowing in a predeter-mined direction (17). The coil assembly (12) comprises a plu-rality of parallel linear tubes (22), a plurality of return tubes (28) interconnecting the linear tubes, and a plurality of fins (34). Each linear tube has a central portion with an elliptical cross section and two end por-tions with round female sockets having circular cross sections. Each return tube has tow end portions with circular cross sec-tions. Each end portion of a re-turn tube fits into a round fe-male socket of a linear tube re-gardless of the orientation of the major axes of the linear tubes. The major axis of the ellipti-cal cross section resides at an oblique angle with respect to the direction of air flow. Each fin comprises a planar sheet of a heat-conductive material with a plurality of holes. The central portion of a linear tube extends through each hole. Each fin securely contacts each linear tube extending therethrough such that heat transfer therebetween is enhanced. The linear tubes are oriented in a plurality of rows, each row forming a plane perpendicular with respect to the direction of air flow. The rows alternate such that the major axis of the elliptical cross section of each linear tube in first alternating rows is oriented at a clockwise-rotated position, and the major axis of the elliptical cross section of each linear tube in second alternating rows is oriented at a counter-clockwise-rotated position.
Patent CA-2180495-A1 (CA)
Title: Emergency lighting battery charging circuit
Inventor: JOHNSON JAMES C
IPC: H02J9/02
Filed: 1996-07-04
Abstract: Battery charging circuits configured as a combination of current limited charging sources and a shunt regulating path to bypass current from a battery charging path through a low impedance path so that charge current can be regulated and terminated or controlled, the invention further includes combination of the circuits in emergency lighting systems utilizing conventional AC mains power in a non-emergency mode and DC battery power in an emergency mode, the battery being charged with regulation of charge current effected by said circuits when in the non-emergency mode. In the present circuits, current is by-passed from that portion of the circuit used for battery charging by provision of a low impedance alternate path through which current may also be supplied to non-emergency lamps, the alternate path supplanting prior art circuits which function by continuously turning a single path on and off for charge regulation. In primary embodiments, the circuits use the charging path to also drive the non-emergency lamps. Current through the alternate shunt regulating path drives the non-emergency lamps in the normal non-emergency mode without passing of the current through the battery.
Patent CA-2181195-A1 (CA)
Title: Vertical or horizontal axis wind energy conversion system: the cardioid principle, quo-vadis
Inventor: GRIGORESCU ANCA
IPC: F03D3/06
Filed: 1996-07-15
Abstract: This invention is in the field of windmills. The new machine converts wind energy into electricity, efficiently and low price of construction. This is an application for a patent for a new machine with a mobile surface, reacting to the wind power input force, and constrained to move by two parallel cardioids rails guides support. The system is coupled to the electric generator, via belts to the integrator (principal shaft) to transmit the cardioid movement of the mobile surface on the rail support, into a rotational movement of the principal shaft. There are many advantages to this system compared to other windmill existent or proposed devices of comparable size, that utilize wind energy as source of input. Lower environmentally disturbing factors, such as noise, a more compact and safe device to low speed involved.
Patent CA-2181369-A1 (CA)
Inventor: PRIOR ADALBERT
IPC: C22B11/02
Filed: 1995-11-30
Abstract: Un dispositif comprend un réacteur (1) avec une entrée (7) et une sortie (5) du milieu de traitement. Le matériau (9) à traiter est situé avec son dispositif de retenue (10) à l'intérieur du réacteur (1). Le dispositif de retenue (10) comprend un dispositif (12) distributeur du courant de milieu de traitement utilisé (9). Un dispositif de chauffage (15) est associé au côté extérieur de la paroi (2) du réacteur. Le matériau (9) est soumis à un traitement par oxydation, puis à une réduction, et enfin à une chloration.
Patent CA-2181526-A1 (CA)
Inventor: BOEHM RALF
IPC: A47B9/10
Filed: 1996-07-18
Abstract: A height-adjustable support for a table top or working surface. The support has at least one post, which accommodates at least one post component that is displaceable in the post and is connected to the table top or working surface. At least one gas spring that can be locked in position is accommodated in the post.          One end of the gas spring is connected to the post, while a second end thereof is connected to the displaceable post component. At least one release unit is provided for releasing the at least one gas spring.
Patent CA-2181578-A1 (CA)
Title: Magnetic sensors
Inventor: SELCUK AHMET
IPC: G01R1/22
Filed: 1995-01-17
Abstract: The invention concerns magnetic sensors and, particularly, a magnetic sensor arrangement for use in an electrical measuring device (10). In the device (10), magnetic sensors (37, 38) are provided within recesses (35, 36) formed in arms (20, 21) of the device. The recesses (35, 36) are typically formed within laminations (22-34) and act so as to shield the magnetic sensors (37, 38) from interference, whilst enabling them to detect a magnetic field of an electrical conductor placed betwen the two arms (20, 21).
Patent CA-2182368-A1 (CA)
Title: Passively q-switched picosecond microlaser
Inventor: ZAYHOWSKI JOHN J
IPC: G01N21/63
Filed: 1995-02-08
Abstract: An apparatus and method for a passively Q-switched microlaser (10) for producing high-peak-power pulses of light of extremely short duration are disclosed. The apparatus comprises a gain medium (12) and saturable absorber (14) disposed within a laser cavity (16, 18). When the cavity (16, 18) is pumped, the saturable absorber (14) prevents the onset of lasing until the inversion density within the cavity (16, 18) reaches a critical value. The length of the cavity (16, 18), the material parameters, and the reflectivities of the mirrors (16, 18) are selected such that pulses of duration less than about 1 ns and of peak power in excess of about 10 kW are obtained. The invention has application in high-precision optical radar, nonlinear optics, micromachining, microsurgery, robotic vision, and other technologies requiring high-peak-power laser pulses of extremely short duration.
Patent CA-2183069-A1 (CA)
Inventor: THEOHARIDES THEOHARIS C
IPC: A61K31/445
Filed: 1995-02-09
Abstract: Procédé de traitement d'affections gastro-intestinales endogènes douloureuses d'origine non inflammatoire et non ulcéreuse, telles que migraine accompagnée de symptômes au niveau abdominal ou côlon irritable, impliquant l'administration en quantité efficace sur le plan pharmacologique d'un inhibiteur de la dégranulation opérée par les mastocytes, par exemple d'une polyamine d'origine naturelle, d'un antagoniste hétérocyclique des récepteurs d'histamine-1, d'un agoniste des récepteurs d'histamine-3 ou d'une anti-hormone sexuelle femelle.
Patent CA-2185594-A1 (CA)
Title: Portable loudspeaker/directional microphone peripheral
Inventor: WELSH CHRISTOPHER T
IPC: H04R1/02
Filed: 1996-09-16
Abstract: A loudspeaker system which can be utilized with laptop PCs employs a loudspeaker enclosure having a unique shape which is easily mounted to the back of a display of the laptop PC and also provides sufficient compliant air volume to yield high quality sound.  More specifically, the higher quality sound and ease of mounting is realized by employing a loudspeaker enclosure which is in the form of an "L-shape". This allows one leg of the L-shaped enclosure to be employed to attach the loudspeaker, for example, to the back of the laptop PC display unit and allows the speaker portion that is visible to be of minimal size.  Additionally, the "L-shaped" loudspeaker enclosure, in addition to providing the desired compliant air volume for quality sound, also allows for the majority of the loudspeaker enclosure to be hidden from the view of a laptop PC user and, therefore, is more aesthetically pleasing to the user.
Patent CA-2188137-A1 (CA)
Title: Playing card shuffling machines and methods
Inventor: FORTE STEVEN L
IPC: A63F1/12
Filed: 1995-04-18
Abstract: Playing card shuffles (10, 200, 400) having unshuffled stack holders (14, 215) which hold infeed arrays (15, 235) of playing cards. Ejectors (101, 240) are mounted adjacent an unshuffled stack holder (14, 215), which cam be stationary or movable. Cards (20, 236) are ejected and discharged from the infeed array (15, 235) at various random discharge positions. The ejectors can be mounted on a movable carriage (110). Extractors (130, 260) are advantageously used to assist in removing playing cards from the infeed array. Removal resistors (141, 142, 280) are used to provide counteracting forces resisting displacement of cards, to thereby provide more selective ejection of cards from the infeed array. One embodiment (400) mounts over the edge of a card table.
Patent CA-2194358-A1 (CA)
Inventor: COCOZZA DAVID D
IPC: B65D65/46
Filed: 1995-06-28
Abstract: An inner container and an outer container folded together to form a container (36) having opposite gusseted side walls, planar front and back walls and a bottom wall comprising portions of the inner and outer containers not adhesively secured together and having a bottom surface comprising portions of the outer container and an outer member (58) adhesively secured to the portions of the outer container forming the bottom surface.
Patent CA-2197204-A1 (CA)
Title: Improved communications marketing system
Inventor: GREGOREK MARK R
IPC: H04M3/50
Filed: 1995-07-19
Abstract: A communications marketing system (10) for selectively modifying an existing communications network by modifying a portion of the processing software permits transmitting a generally continuous pre-recorded announcement to a network station (12) which has been temporarily disconnected from a called network station (20) and placed on hold. The network allows an identified called station connected to a first call from a first party at a first network address to receive a second call from a second party at a second network address. The network interrupts the called station and signals the called station of the second call. The called station can then choose to connect to the second call and temporarily disconnect the first party, placing the first patty on hold and thereafter the called station may switch between the first and second calls. The system plays at least one announcement to the party placed on hold by the called station until the called station signals to reconnect to the party on hold, at which time the playing of the announcement is terminated. The system further provides a custom audio and/or visual message and/or menu in lieu of a dial tone signal to a party initiating a connection with the network.
Patent CA-2198908-A1 (CA)
Title: Method for controlling o-desulfation of heparin and compositions produced thereby
Inventor: HOLME KEVIN R
IPC: A61P35/00
Filed: 1995-09-01
Abstract: Methods of making and using, as prophylactics or therapeutics for preventing or treating certain diseases including cancer, O-desulfated heparin compositions, preferably 2-O, 3-O desulfated heparin compositions, wherein the methods permit regulating the degree of 2-O, 3-O desulfation to produce compositions that are variably desulfated up to about 99 % and 75 % desulfated at the 2-O and 3-O positions, respectively.
Patent CA-2199219-A1 (CA)
Inventor: PASBRIG ERWIN
IPC: G03G5/00
Filed: 1997-03-05
Abstract: A substrate with an organic undercoat as bonding layer for a printing medium to be deposited subsequently on the substrate in a printing process is such that the organic undercoat contains fine grained constituents of organic and/or inorganic substances, whereby the surface of the inorganic constituents is treated or provided with a coating of organic substances. Suitable inorganic constituents are e.g. highly dispersed silica, the surface of which is treated with a resin or a polymer. Suitable compositions for the organic undercoat layer on the substrate are organic coatings based on many commercially available organic coating materials with an addition of e.g. 0.3 to 20 wt. % silica. By adding highly dispersed silica to the undercoat the adhesion between the undercoat and the printing medium can be greatly improved, also in the case of laser printing methods with small thermal energy for activating the toner.