baber/WOPTO huggingface dataset:
Patent AU-720447-C (AU)
Title: A buttress for cardiac valve reconstruction
Inventor: WOOD ALFRED EDWARD
IPC: A61F2/24
Filed: 1996-07-17
Granted: 2007-03-15
Abstract: PCT No. PCT/IE96/00041 Sec. 371 Date Jan. 12, 1998 Sec. 102(e) Date Jan. 12, 1998 PCT Filed Jul. 17, 1996 PCT Pub. No. WO97/03625 PCT Pub. Date Feb. 6, 1997A buttress for cardiac valve reconstruction comprises an elongate member formed from two superimposed layers of a fabric. The layers are fastened together by longitudinally extending seams having inwardly extending opposing selvedges. The elongate member fits part-annularly against the base of the cusps of the cardiac valve. The fabric is longitudinally extendable to 105-150% of its non-extended length. An apparatus for cardiac valve reconstruction comprises a holder, including a buttress receiving area; and a buttress comprising a part-annularly shaped elongate member formed from a fabric. The buttress is removably mounted onto the buttress receiving area of the holder in an extended condition, the extended condition being 105-150% of the non-extended length of the elongate member. The buttress and apparatus can be used in the reconstruction of mitral and tricuspid cardiac valves.
Patent CA-2000467-C (CA)
Title: High-frequency heating apparatus using frequency-converter-type power supply
Inventor: MAEHARA NAOYOSHI
IPC: H01F27/36
Filed: 1989-10-12
Granted: 1995-10-24
Abstract: A high-frequency heating apparatus comprises a power supply including a commercial power supply or a battery, a frequency converter for converting the power of the power supply into high-frequency power, a boosting transformer for increasing the voltage of the output of the frequency converter, and a magnetron for receiving the output from the boosting transformer.  The apparatus further comprises a shield member made of a non-magnetic conductive material and forming a substantially electrical open loop in the winding direction of the primary winding between the primary and secondary windings of the boosting transformer.  The shield member is connected to the core or the housing of the boosting transformer thereby substantially containing a high-voltage circuit in the shield space.  High safety of the high-frequency heating apparatus is thus assured without grounding the housing.
Patent CA-2001753-C (CA)
Title: Ortho-aminophenols 5-substitues, procede pour les preparer et leur utilisation pour la teinture d'oxydation des fibres keratiniques
Inventor: JUNINO ALEX
IPC: C07C233/43
Filed: 1989-10-30
Granted: 1998-12-01
Abstract: L'invention concerne de nouveaux ortho-amino-phénols 5-substitués répondant à la formule: (voir fig. I) dans laquelle R1 représente un atome d'hydrogène, un radical alkyle ayant 1 à 4 atomes de carbone ou un radical hydroxyalkyle ayant 1 à 4 atomes de carbone; R2 représente, indépendamment de R1, un radical alkyle ayant 1 à 4 atomes de carbone, un radical alcoxy ayant 1 à 4 atomes de carbone ou un radical benzyle; et leurs sels d'addition avec un acide et leurs phénates. Les composés selon l'invention permettent de teindre les cheveux dans un riche éventail de nuances ayant une bonne résistance.
Patent CA-2001903-C (CA)
Title: 1,2,4-benzotriazine oxides as radiosensitizers and selective cytotoxic agents
Inventor: LEE WILLIAM W
IPC: C07D253/10
Filed: 1989-10-31
Granted: 2003-04-08
Abstract: A method of using 1,2,4-benzotriazine oxides, some of which are novel compounds, as radiosensitizers and selective cytotoxic agents is disclosed. These compounds are shown to specifically radiosensitize hypoxic tumor cells. Some are additionally disclosed to be useful as specific cytotoxic agents for these cells. They also show an unexpected ability to radiosensitize aerobic cells following or preceding a hypoxic incubation of the cells with the drug. This provides a basis for selective radiosensitization of tumors compared to normal cells.      Novel compounds of a novel method for preparing the 1,2,4-benzotriazine oxides is also disclosed. Novel compounds of the formula   wherein X is OH, alkoxy (1-4C), NHR or NRR where each R is independently an alkyl of 1-4 carbon atoms, or aryl of 1-4 carbon atoms, or where the two R groups are alkyls linked together to form a pyrrolidino or piperidino ring or linked through an oxygen to form a morpholino ring, and the R groups may be further substituted with OH, NH2, alkyl (1-4C) secondary amino, dialkyl (1-4C) tertiary amino, pyrrolidino, piperidino, alkoxy (1-4C), or halogen substitutents; n is 1; and Y1 is H and Y2 is nitro; or a pharmacologically acceptable salt thereof are also disclosed. A novel method for preparing the 1,2,4-benzotriazine oxides is also disclosed.
Patent CA-2002242-C (CA)
Title: Selective monoepoxidation of styrene, styrene analogs, and styrene derivatives to the corresponding oxide with molecular oxygen
Inventor: MONNIER JOHN ROBERT
IPC: C07D303/04
Filed: 1989-11-06
Granted: 2000-09-05
Abstract: Process is disclosed for the selective mono-epoxidation of styrene, styrene analogs, and styrene derivatives. Such compounds are contacted with an oxygen-containing gas in the presence of a promoted, optionally supported silver catalyst under defined reaction conditions, thereby selectively producing epoxides in good yield.
Patent CA-2010179-C (CA)
Title: Resin composition and method of manufacturing the same
Inventor: SAITO TADAO
IPC: C08F290/06
Filed: 1990-02-15
Granted: 1997-11-18
Abstract: Disclosed is a thermosetting resin composition which comprises (a) an unsaturated polyester, (b) a polymer having a (meth)acrylate group only at one or both terminals of its main chain, (c) a poly(meth)acrylate oligomer, (d) a styrene monomer, and (e) a methyl methacrylate monomer.          Also, a method of molding the resin is disclosed, which comprises dividing the thermosetting resin composition into two parts, adding a curing agent to one of the two parts and a curing accelerator to another to form two partial compositions, introducing the two partial compositions into a mold, and allowing the two partial compositions to mix with each other and cure.
Patent CA-2010547-C (CA)
Title: Ink supply system for an ink jet head
Inventor: HINE NATHAN P
IPC: B41J2/19
Filed: 1990-02-21
Granted: 1996-05-28
Abstract: In the representative ink supply system described in the specification, continuous circulation of ink in an ink jet head is accomplished by providing two res-ervoirs connected to each ink jet orifice (11) through corresponding passages (40,15,13,42) so that ink flows continuously from a high-level reservoir past the orifice to a low-level reservoir.  The difference between the levels of ink (45,46) in the reservoirs is maintained relatively constant by inertial pumping during reciprocal motion of the ink jet head or by pressure transfer of ink from one reservoir to the other reservoir.  Cross-flow purging of air or debris from the ink jet head is effected by covering the ink jet orifices (11) and applying air pressure to one reservoir to cause ink and any trapped air or debris to flow from the head to the other reservoir.  A pump responsive to reciprocal motion of the ink jet head generates a positive air pressure which is applied during purging and a negative air pressure which is applied to a deaerator for removing dissolved air from the ink.  (Fig. 1)
Patent CA-2010891-C (CA)
Inventor: RIEDWEG ROBERT
IPC: F04B9/14
Filed: 1990-02-26
Granted: 1999-01-26
Abstract: The breast pump comprises a milk reservoir and a flanged closure member for connection with the reservoir; the closure member comprises a suction bell and a suction pump suitable for single-handed manual operation and includes (a) a cylinder integrally connected with the closure member; (b) a piston means for reciprocating motion within the cylinder between a first or lower position and a second or upper position, and (c) a spring-loaded actuator for interaction with the piston means. According to the invention, the actuator is a yoke structure formed of an elongated flat spring member that tends to revert into a first or rest position and is reversibly deformable into a second or substantially bent position; the spring member has two ends and is connected with the piston near the spring's middle; the yoke further comprises a pair of elongated lateral legs which are functionally rigid, i.e. substantially less elastic than the flat spring; each lateral leg has a lower end and an upper end; each lower end is connected with an open ended ring slideably mounted on the closure member; the upper ends of the legs are connected with the ends of the spring member; the yoke is dimensioned for single-handed manual compression of the lateral legs which, in turn, will cause bending of the flat spring member and so displace the piston upwards within the cylinder and cause suction within the suction bell; when the lateral legs are released the spring reverts into its rest position and a subsequent suction cycle can be initiated by again pressing the lateral legs against each other.
Patent CA-2016615-C (CA)
Title: Sonet h4 byte receiver and filter
Inventor: WILLIAMS TIMOTHY J
IPC: H04J3/06
Filed: 1990-05-11
Granted: 1994-12-06
Abstract: A filtering algorithm for the SONET H4 byte is implemented with circuitry including an internal H4 counter which is incremented each frame and is locked to a received H4 byte once every 24 frames if a proper bit sequence is detected in a designated frame.  If the designated bit sequence is not detected, the counter is not reset and continues to be incremented.  If parity errors are detected, the counter is not reset and is allowed to free run to simulate the appropriate H4 byte input.
Patent CA-2020874-C (CA)
Title: Procedure and means for absorbing continuous fibre bundle
Inventor: MARTTILA PAULI
IPC: B29B15/12
Filed: 1990-07-11
Granted: 1994-08-16
Abstract: The present invention concerns a method and an apparatus for impregnating a continuous fiber bundle or fiber bundles (10) with molten or fluid curing resin in manufacturing fiber reinforced material, the material comprising one or several fiber bundles (10) encircled by matrix resin.  The fiber bundles (10) are so conducted to pass across the nozzle opening (13) that the resin runs through the nozzle (11) from a higher pressure zone through the fiber bundle (10) to a lower pressure zone.
Patent CA-2025399-C (CA)
Inventor: ILENDA CASMIR S
IPC: C08F255/00
Filed: 1990-09-14
Granted: 2002-08-13
Abstract: This invention provides an improved adhesive layer for multi-layer films and bottles, the adhesive layer being a graft copolymer of a polyolefin backbone with a methyl methacrylate graft. The graft copolymer sufficiently improves the compatibility between barrier resins and polyolefins to permit the production of monolithic or single layer bottles comprised of a blend of those three components. The resultant products have improved physical properties while retaining acceptable permeability to gases.
Patent CA-2027990-C (CA)
Title: Granular detergent compositions containing peroxyacid bleach and sulfobenzoyl end-capped ester oligomers useful as soil release agents
Inventor: LESLIE KENNETH A
IPC: C11D3/39
Filed: 1990-10-18
Granted: 1995-03-21
Abstract: Granular laundry detergent compositions containing peroxyacid bleach and anionic, sulfobenzoyl end-capped esters useful as soil release agents.  The terephthalate esters contain oxyethyleneoxy and oxy-1,2-propyleneoxy units, and are substantially amorphous in form.
Patent CA-2036430-C (CA)
Title: Bendable and deformable lamp string combination
Inventor: WU JENG-SHYONG
IPC: F21V21/00
Filed: 1991-02-15
Granted: 1995-07-04
Abstract: This  invention  relates to a bendable  and  deformable lamp  string combination comprising a pipe or  a  corrugated spring or a bendable tube interfaced with a spiral string to form  a foldable ladder mutually joined by an elastic  hinge for  the accommodation of a lamp string either in series  or in parallel.  More particularly the corrugated spring can be divided  into several units connected to its respective lamp adapter,  and  consequently,  the  foldable  ladder  becomes interchangeable  with  respect to its lamp string  and  lamp adapter  either in formation or in length,  and  is  further characterized  in  that,  it can be bent or defromed to  the desired   patterns or characteristics and can be  joined  to the  inner  or outer flange of a door and window to  form  a very  convenient,  eye-catching  and beautiful  lamp  string combination.
Patent CA-2038939-C (CA)
Inventor: FURUKAWA SATOMI
IPC: G05B19/418
Filed: 1990-08-10
Granted: 1997-06-17
Abstract: What is disclosed is a production control system for dealing with the demand of producing many kinds of products in small quantities within a short delivery period by improving productivity of production lines and unmanned operation of the lines.  The production control system has a plurality of facilities (1) including parts mounters (14) for processing products through processes, cell controllers (2) for controlling the facilities, a line control system (3) for centrally controlling all the cell controllers, and a transporting unit (4) controlled by the line control system to transport the products between the facilities.  The line control system (3) comprises a unit (401) for preparing a detailed execution schedule by considering, in real time, a schedule of a relatively short period extracted from a schedule of a relatively long period, half-finished conditions of the products in a line, and actual events.  The line control system controls the cell controllers, parts mounters, and transporting unit according to the prepared execution schedule.
Patent CA-2047507-C (CA)
Title: Lens design method and resulting aspheric lens
Inventor: ROFFMAN JEFFREY H
IPC: G02B3/10
Filed: 1991-07-22
Granted: 2002-01-22
Abstract: An aspheric lens for providing improved vision and a method for generating such a lens is described. The lens provides a sharp image focus while minimizing image aberrations. The method utilizes ray tracing techniques in conjunction with Modulation Transfer functions to accurately account for the total corrective lens-eye system. The lens may be in the form of a contact lens, an intraocular lens, a natural lens or a spectacle lens, and is suitable for correcting myopia, presbyopia, astigmatism and other focusing problems. The lens is characterized by a hyperbolic or parabolic surface which functions to reduce spherical aberrations and minimize the retinal image spot size.
Patent CA-2048019-C (CA)
Title: Magnetic resonance imaging coil
Inventor: RUTT BRIAN
IPC: A61B5/055
Filed: 1991-07-26
Granted: 2000-10-17
Abstract: A receive loop for use in magnetic resonance imaging, comprising: a collapsible imaging coil adapted to be inserted into a patient's body and expanded therein for receiving radio frequency signals emitted by the body, the coil being characterized by an inductive impedance; a quarter-wavelength transmission line connected to the coil, the imaging coil and transmission line in combination being characterized by a capacitive impedance; and apparatus connected to the transmission line remote from the imaging coil for tuning the combination coil and transmission line to resonate in response to the body emitting the radio frequency signals, whereby the radio frequency signals are received.
Patent CA-2053156-C (CA)
Title: Thermostatic valve
Inventor: HANSEN HENNING B GH
IPC: G05D23/02
Filed: 1991-10-10
Granted: 1996-04-02
Abstract: A thermostatic valve has a valve housing (1) and a thermostat top part (2) with a base foot (7).   The latter is surrounded by a rotatable retaining ring (11) and can be pushed onto the valve housing (1) until it engages an abutment face (14) of the valve housing (1). The valve housing (1) has a tapering clamping face (16).   In the retaining ring (11), at least one clamping element (17) can be pressed against the clamping face (11) in order to press the thermostat top part (2) against the abutment face (14).   In order to compensate for thermally-induced material deformations, and to prevent damage to the clamping face (16), the retaining ring (11) has a guide face (19), the spacing of which from the centre line (18) of the retaining ring (11) increases from one end of the guide face (19) to the other.   The clamping element (17) bearing against the guide face (19) is adjustable through rotation of the retaining ring (11).   The retaining ring is rotatable against spring force for the purpose of pulling back the clamping element (17), and, as the base foot (7) is pushed onto the valve housing (1), a locking ring (30) is arranged to be displaced axially against spring force from a locking position, in which the clamping element (17) bears against the locking ring circumference, into a releasing position, beyond the path of movement of the clamping element (17).
Patent CA-2055214-C (CA)
Title: Support rail
Inventor: BERGSHOEFF JOHN
IPC: A01G9/14
Filed: 1991-11-08
Granted: 1994-04-26
Abstract: ABSTRACT OF THE DISCLOSURE           A  support  rail  has  a  vertically  disposed horizontally extending divider member from which a pair of tray support members extend.  The top side of each tray support  member  defines  a  downwardly  inclined  tray supporting surface.   At  least  one downwardly opening fastener receiving channel extends from the underside of the tray support members.  A guide surface extends along the support rail at the juncture of each tray support member and the divider member.
Patent CA-2056523-C (CA)
Inventor: SHIMIZU HIDEKI
IPC: H05K9/00
Filed: 1991-11-28
Granted: 1997-01-21
Abstract: A superconductive tube for magnetic shielding has a cylindrical substrate composed of at least two members, an intermediate medium placed upon surface of the inner and/or the outer wall of said substrate, and a layer containing superconductive oxide, placed upon said intermediate medium, which is integrally formed in a cylindrical shape.
Patent CA-2056678-C (CA)
Title: Full fin evaporator core
Inventor: BURGERS JOHN G
IPC: F25B39/02
Filed: 1991-11-29
Granted: 1995-10-31
Abstract: A flat plate type heat exchanger or evaporator is disclosed for use in automobile air conditioning systems.  The heat exchanger includes a set of stacked plate pairs,  the plate pairs having refrigerant fluid passageways extending laterally between the plates of each plate pair while the spaces between the plate pairs define air flow passages, these air passages having fins located therein.   In one aspect, fluid inlet and outlet passages are formed when differently sized tubes in adjacent plate pairs are telescoped together and subsequently brazed together to form a high surface area, fluid tight joint.   The resulting fluid tight joint formed between tubes in adjacent plate pairs exhibits greater rupture resistance  than  that  formed  with  drawn  cup  assemblies currently in use.  These refrigerant fluid inlet and outlet passageways  are  spaced  inwardly  from  the  edges  of  the evaporator and extend transversely through the stack,  the inlet and outlet passages being in flow communication with the lateral fluid passages located between the plates.  In this way, a greater percentage of the available frontal surface area of the evaporator is utilized for heat exchange.
Patent CA-2058479-C (CA)
Title: Stacked lamination assembly for dynamoelectric machine
Inventor: KLOSTER GERALD G
IPC: H02K1/26
Filed: 1991-12-27
Granted: 1993-10-12
Abstract: ABSTRACT OF THE DISCLOSURE    An apparatus and method for forming laminations for a stacked lamination  assembly  of  a  dynamoelectric  machine  wherein  the laminations of the assembly are provided with displacement segments and complimentary openings of slightly larger dimensional size, the segments being configured to abate lateral shifting of adjacent laminations when the segments and compatible  openings of the laminations  are  in  nesting relation  in  a  stacked  lamination assembly.
Patent CA-2059312-C (CA)
Title: Method of preparation of emulsions of viscous hydrocarbon in water which inhibits aging
Inventor: RIVAS HERCILIO
IPC: C09K23/52
Filed: 1992-01-14
Granted: 1996-06-04
Abstract: A method for the preparation of a hydrocarbon in water emulsion from viscous hydrocarbons wherein aging of the emulsion over time is substantially eliminated comprises forming a concentrated emulsion characterized by a water content of less than or equal to 15%/wt. and an average oil droplet size of less than or equal to 4 microns and thereafter forming a final emulsion by diluting the concentrated hydrocarbon in water emulsion with water so as to obtain a water content of less than or equal to 30%/wt. and stirring said diluted emulsion so as to obtain a final hydrocarbon in water emulsion having an average oil droplet size of greater than or equal to 15 microns.
Patent CA-2060653-C (CA)
Title: Gripper clamp and machine for treating objects, particularly bottles equipped therewith
Inventor: PERRIER RENE
IPC: B08B9/20
Filed: 1991-04-10
Granted: 2001-06-05
Abstract: Jaws (38) can move between dripping and release positions.       The passage to the release position is controlled by a slide (42) under the action of a ramp (48) and via tenons (44) which are attached to the slide (42) and which slide in grooves (46). The reverse movement is controlled by the same parts under the action of a return spring which acts on the slide (42). The transmission of movement by the systems with tenons (44) and grooves is irreversible; so that the neck (2) of a bottle held between the jaws (48) cannot become dislodged: a force (F1) applied to the jaws (38) cannot move the slide to open the jaws (38). Used to obtain fast machines without increasing the clamping force on the treated objects (bottles).
Patent CA-2060859-C (CA)
Title: Multi-stage amplifier with capative nesting and multi-path forward feeding for frequency compensation
Inventor: HUIJSING JOHAN HENDRIK
IPC: H03F1/08
Filed: 1992-02-07
Granted: 2000-11-21
Abstract: A mufti-stage amplifier utilizes capacitive nesting of three or more amplifier stages in combination with multiple feedforward paths to achieve frequency compensation. Two stages (A M and A O) in cascade are first nested with a pole-splitting capacitor (C1) to form a stable device. A stable three-stage amplifier is then created by nesting the two-stage device and a further stage (A I) with another pole-splitting capacitor (C2) where feed-forward paths are provided from the further stage to both of the other stages.
Patent CA-2063718-C (CA)
Title: Panel heat exchanger
Inventor: CESARONI ANTHONY JOSEPH
IPC: F28D1/03
Filed: 1990-07-27
Granted: 2002-06-11
Abstract: A panel heat exchanger formed from thermoplastic polymer compositions and having a mesh structure between outer walls of the heat exchanger is disclosed. The thermoplastic polymer of the sheet is preferably polyamide. The mesh structure may be in the form of a perforated corrugated sheet that is preferably also formed from a thermoplastic polymer, especially a polyamide. A method for the manufacture of the panel heat exchangers is also disclosed. The panel heat exchangers may be used in a wide var-iety of end-uses, including automototive end-uses e.g. in the cooling of transmission oil.
Patent CA-2066019-C (CA)
Title: Video normalizer for a display monitor
Inventor: ELLIS GEORGE A
IPC: G09G1/28
Filed: 1992-04-14
Granted: 1997-10-14
Abstract: A video normalizer corrects for irregularities characteristic of video display monitor screens, so as to provide accurate and consistent light levels and color intensities.  The normalizer is especially useful for computer controlled editing of video data for the graphics industry.  The video normalizer includes a photo sensor for measuring the monitor light output at various locations on the monitor CRT screen, and digital circuitry for providing a correction value for each portion of the monitor screen, with the correction value being applied to the output of a conventional colorgraphics board (video display card) which drives the monitor.