baber/WOPTO huggingface dataset:
Patent CA-2018327-C (CA)
Title: Alpha-olefin process
Inventor: SUMMERS LAYNE WOODS
IPC: C07C11/02
Filed: 1990-06-05
Granted: 2001-07-24
Abstract: Alpha-olefins containing 6-14 carbon atoms are made in a dual displacement loop ethylene/tri-lower alkyl chain growth process which includes, in one closed loop, an initial ethylene/triethyl aluminum (TEA) chain growth, C2-14 olefin separation, 2-stage ethylene displacement, C2-12 olefin separation and recycle of residual TEA and higher olefins back to the initial ethylene/TEA chain growth. A second closed loop starts with the same ethylene/TEA chain growth product followed by C4-14 olefin separation, C4-8 olefin displacement on the bottoms from C4-14 olefin separation, ethylene chain growth on the C4-8 olefin displacement product and recycle of this ethylene displacement product back to the olefin separation stage following the initial ethylene/TEA chain growth reaction.
Patent CA-2020266-C (CA)
Title: Aqueous composition
Inventor: SAITO TOSHIO
IPC: C10M173/00
Filed: 1990-06-29
Granted: 1998-08-11
Abstract: Disclosed is an aqueous composition prepared by mixing water in a base fluid in the presence of surfactants, which composition comprises, as the surfactants, (A) at least one of the compounds represented by the general formula:                        R1-O-(R2-O)n-H wherein R1 is an alkyl group having 3 to 10 carbon atoms, R2 is an alkylene group having 2 or 3 carbon atoms, and n is an integer of 1 to 20; when n is an integer of 2 or more, the repeating unit (R2-O) may contain both of alkylene groups having 2 carbon atoms and alkylene groups having 3 carbon atoms, and (B) at least one ionic surfactant.  The aqueous composition of the present invention is transparent in appearance, and has a low viscosity, and can employ a fluid having a high viscosity to obtain a composition of desired viscosity.  The composition is also excellent in mechanical and chemical stabilities.  In the composition, phase inversion by temperature is reversible.  The composition is useful as a lubricant, coolant or the like.
Patent CA-2020790-C (CA)
Title: Two-layer paper machine fabric
Inventor: HAKKARAINEN MERJA
IPC: D03D11/00
Filed: 1990-07-10
Granted: 1994-06-14
Abstract: A  two-layer  paper  machine  fabric  comprising  one machine direction yarn system and two cross-machine direction yarn systems.  The yarn systems are inter-laced in accordance with an 8-shaft weave repeat. The yarns of the cross-machine direction yarn systems are positioned  in  two  layers  in  such  a  way  that  the number of yarns in the upper system is double as com-pared  with  the  lower  cross-machine  direction  yarn system.  To  achieve  a  stable  fabric  each  machine direction yarn passes during one weave repeat over two yarns in the upper cross-machine direction yarn layer and under one yarn in the lower cross-machine direction yarn  layer.  The passage  of each machine direction  yarn  is  reverse  as  compared  with  the passages of adjacent yarns.  The yarns of the upper cross-machine direction yarn system form floats ex-tending  alternately  over  two  and  four  machine direction yarns and the yarns of the lower cross-machine direction yarn system form floats extending alternately over  two  and  four  machine  direction yarns.  The longer float of the upper cross-machine direction  yarn  is  always  in  alignment  with  the shorter  float of the lower cross-machine direction yarn, and vice versa.
Patent CA-2024942-C (CA)
Title: Implantable delivery dispenser
Inventor: MAGRUDER JUDY A
IPC: A61K9/22
Filed: 1990-09-10
Granted: 2001-05-29
Abstract: An implantable dispenser is enclosed comprising a wall surrounding a compartment containing a first composition comprising a beneficial agent, an oil, a cosolvent and a polymer gellant, a second expandable composition, a third boundary maintaining composition between the first and second composition, and an exit port.
Patent CA-2025528-C (CA)
Title: Method for manufacturing tires
Inventor: MOTOMURA KENICHI
IPC: B29D30/30
Filed: 1990-09-17
Granted: 1993-12-07
Abstract: ABSTRACT;    A method for  forming a green tire by assembling  tire constituent elements such as a carcass ply,   side tread,   a belt,   a top tread,   cushion rubber members and the like.          This method comprises the steps of presetting cushion rubber members preliminarily severed into a plurality of pieces at least  at  the  both  side  portions  of  the  belt  and  at predetermined  positions  on  the  carcass  ply  respectively, folding  back  the  both  side  portions  of  the  carcass  ply wrapped around a forming drum as well as  the  side  treads respectively  superposed  on  the  both  side  portions  to simultaneously shape these into a predetermined shape on the forming drum, and sticking a BT-band consisting of the belt and  the  top  tread  preset  integrally  to  a  predetermined position.   According  to  this  method,  always  tires having stable  quality  can  be  manufactured,  and  tire  production efficiency is enhanced.
Patent CA-2026226-C (CA)
Title: 6-substituted acyclopyrimidine nucleoside derivatives and antiviral agent containing the same as active ingredient thereof
Inventor: MIYASAKA TADASHI
IPC: C07D239/545
Filed: 1990-09-26
Granted: 2003-08-19
Abstract: A 6-substituted acyclopyrimidine nucleoside derivative represented by the following general formula I or I';      wherein R1 represents a hydrogen atom, halogen atom, alkyl, cycloalkyl, alkenyl, alkynyl, alkylcarbonyl, arylcarbonyl, arylcarbonylalkyl, arylthio or aralkyl group;      R2 represents an arylthio, alkylthio, cycloalkylthio, arylsulfinyl, alkylsulfinyl, cycloalkylsulfinyl, alkenyl, alkynyl, aralkyl, arylcarbonyl, arylcarbonylalkyl or aryloxy group, those groups optionally substituted by one or more of substituents selected from a halogen atom, alkyl, halogenated alkyl, alkoxy, hydroxyl, nitro, amino, cyano and acyl groups;      R3 represents a hydrogen atom, methyl, branched alkyl or -CH2-Z-(CH2)n-R5 group where R5 represents a hydrogen atom, halogen atom, hydroxyl, heterocyclic carbonyloxy, formyloxy, alkylcarbonyloxy, cycloalkylcarbonyloxy, aralkylcarbonyloxy, arylcarbonyloxy, azido, alkoxycarbonyloxy, N-alkylcarbamoyloxy, N-arylcarbamoyloxy, N-alkylthiocarbamoyloxy, N-arylthiocarbamoyloxy, alkoxy, aralkyloxy, branched alkyl, cycloalkyl or aryl group, the alkoxycarbonyloxy to aryl groups mentioned above as R5 optionally substituted by one or more substituents selected from a halogen atom, aryl, alkyl, alkoxy and halogenated alkyl groups, Z represents an oxygen, sulfur atom or methylene group, and n represents 0 or an integer of 1 to 5, R4 represents a hydrogen atom, alkyl or aralkyl group, X represents an oxygen or sulfur atom, Y represents an oxygen or sulfur atom, provided that when R4 and Z represent a hydrogen atom and oxygen atom respectively in the formula I R5 does not represent a hydroxyl group, or a pharmaceutically acceptable salt thereof, and an antiviral agent containing the derivative or the salt thereof as an active ingredient.
Patent CA-2027941-C (CA)
Title: Method of wrapping round bales
Inventor: UNDERHILL KENNETH R
IPC: A01F15/07
Filed: 1990-10-18
Granted: 2000-08-08
Abstract: ABSTRACT OF THE DISCLOSURE A method of wrapping cylindrical bales of crop material with sheet material, such as net or plastic film, includes gripping a tail of the sheet material in a dispensing mechanism during formation of a cylindrical bale in a bale forming chamber of an agricultural baler.  After the bale is completed, the dispensing mechanism is moved from a retracted position to a dispensing position and the tail of the sheet material is inserted into the bale forming chamber of the baler.  The sheet material is wrapped circumferentially around the bale while it is disposed in the bale forming chamber, and the dispensing mechanism is returned to the retracted position after one or more layers of the sheet material have been wrapped around the bale.  When the dispensing mechanism has returned to the retracted position, the sheet material is cut by a cutting mechanism.
Patent CA-2040091-C (CA)
Title: Process and machine for making batches of sheets taken from a pile top in a package production installation
Inventor: ANDRE CLAUDE
IPC: B65G59/02
Filed: 1991-04-09
Granted: 1995-10-17
Abstract: The invention covers a device which, in a package producing machine, has the purpose of building up batches (E) of sheets taken from the top of a pile (P). To this aim, a tooth of a separator (2)  situated on the front side of the pile (P) is engaged with the sheet (F") of the batch (E). Thereupon, the separator  (2)  is  raised  so  as  to  leave  a  free  space  (M) between the batch (E) and the pile (P). The conveyance system (3)  will then  move into the  space  (M)  two conveyor belts (300) taking up the descending batch (E) taken from the top of the pile (P) in order to be transferred to the subsequent sheet processing station.
Patent CA-2055654-C (CA)
Title: Method of upgrading a cellular network
Inventor: ALLEN DANIEL LEE
IPC: H04W72/04
Filed: 1991-11-15
Granted: 1998-06-30
Abstract: A method of enhancing an existing cellular network is described such that a new system can operate in tandem with an existing cellular network without disrupting service to existing subscribers and without requiring the replacement of existing equipment. In particular, this is achieved by giving control of all dedicated control channels (CCHs) in each cell to a second switch. The second switch thereby is provided with the control of call set-ups, thus providing for more than one category of mobile subscriber. Some subscribers can be serviced by the existing switch and others by the second switch.
Patent CA-2060013-C (CA)
Title: Coater design for low flowrate coating applications
Inventor: COLUMBUS RICHARD LEWIS
IPC: G03D5/00
Filed: 1992-01-24
Granted: 1996-04-02
Abstract: There are disclosed coaters that repeatedly and intermittently apply a uniform, thin coating of liquid onto a support at a rate that does not exceed the maximum swell rate of the support.  Thus, developer liquid can be applied to photographic paper supports without leaving behind liquid effluent.      The coater features a delivery channel leading from a manifold chamber to a slit orifice, the channel being improved in that it contains a plurality of spaced-apart wall portions connecting the opposed flow surfaces of the delivery channel, that extend in a direction towards the slit orifice, and structure inside the orifice for coalescing the individual streams fed by these wall portions, into a continuous strip of liquid to be dispensed by the slit orifice.
Patent CA-2066328-C (CA)
Title: Trailing arm suspension with wrapper compression axle mounting
Inventor: PIERCE WILLIAM C
IPC: B60G9/00
Filed: 1992-04-16
Granted: 1995-06-27
Abstract: A vehicle suspension system for mounting ground-engaging wheels to a vehicle frame where two arms are secured to opposite sides of the frame and a wheel-carrying axle is suspended between the arms.  The axle is secured to the arms by a wrapper plate partially surrounding the axle, adapter plates mounted to the interior surface of the wrapper plate and a bolt to compress the wrapper about the axle and the adapter plate against the axle.  In this configuration, the wrapper plate supports and strengthens the axle.  The wrapper plate generally conforms to the profile of that portion of the axle which it surrounds.  The axle can be square, oval, hexagon, octagon, rectangular or D-shaped in cross section.  The wrapper plate and the adapter plates exert substantially transverse forces on the axle.
Patent CA-2071348-C (CA)
Inventor: SHIMIZU TERUHISA
IPC: G11B5/66
Filed: 1992-06-16
Granted: 1998-05-19
Abstract: This disclosure deals with a magnetic recording medium suitable for longitudinal recording, such medium having low medium noise  and high coercivity.  The medium includes  a substrate and a magnetic layer formed on the substrate. The magnetic layer consists of a mixture of a magnetic alloy and a non-magnetic compound. The magnetic alloy is based on Co, Fe,  or,  Co-Fe,  and the non-magnetic compound is selected from a group of oxides and nitrides such as, for example, silicon, zirconium, tantalum, boron, titanium and aluminum. The volume percentage of the non-magnetic compound in the entire volume of the mixed magnetic alloy and non-magnetic compound is preferably not less than about 2% and not more than about 30%.
Patent CA-2071469-C (CA)
Title: Amorphous phthalocyanine compound or mixture of amorphous phthalocyanine compounds, and method for preparing same
Inventor: ITOH HISATO
IPC: C09B67/06
Filed: 1992-06-17
Granted: 1996-11-12
Abstract: There are here disclosed an amorphous alkocypthalocyanine which is a compound or a mixture of compounds represented by the formula (I) shown in Claim 1 which have an improved solubility in organic solvents to reach a concentration useful as near infrared absorption filters, liquid crystal display elements and record/memory materials; and a method for preparing this amorphous alkoxypthalocyanine which comprises the steps of heating a crystalline pthalocyanine compound or a mixture of crystalline pthalocyanine compounds in an organic solvent, heating the solvent and distilling off or freeze-drying the organic solvent to separate the amorphous alkoxypthalocyanine.
Patent CA-2073333-C (CA)
Title: Cooling system for internal combustion engines
Inventor: EVANS JOHN W
IPC: F01P3/00
Filed: 1991-01-10
Granted: 2005-01-04
Abstract: An apparatus for cooling an internal combustion engine (10) has a coolant jacket (22) surrounding the cylinder walls (14) and the combustion chamber domes (27). A substantially anhydrous, boilable liquid coolant, having a saturation temperature higher than that of water, is pumped through the coolant chamber (31) in the coolant jacket (22) to cool the metal surfaces of the engine. A radiator (54) is coupled with a pump (42) to the coolant chamber (31) to reduce the temperature of the coolant. A vent line (74) is coupled on one end (72) to the coolant chamber (31) and coupled on the other end (76) to an expansion tank (78). A U-shaped section of the vent line (74) extends above the highest level of coolant in the system. The expansion tank (78) is provided to receive gases, vapor, and/or expanded coolant from the coolant chamber (31).
Patent CA-2074150-C (CA)
Title: Transcutaneous energy transfer device
Inventor: MILLER JOHN A
IPC: H04B10/24
Filed: 1992-07-17
Granted: 1998-07-07
Abstract: An  improved  transcutaneous  energy  transfer  (TET)  device comprises  a primary winding  for placement on or near a  skin surface, and a secondary winding for implantation under said skin surface.   A field effect transistor (FET) is arranged to switch said primary coil across an external DC power supply.  A tuning capacitor is linked to said primary coil whereby said primary coil, when said FET is turned off, will resonate at its natural frequency thereby compensating for drift in component values and reducing power transfer sensitivity to component drift.
Patent CA-2075168-C (CA)
Title: Glass cleaning composition
Inventor: CUMMINGS GERALD
IPC: C11D1/37
Filed: 1992-07-31
Granted: 1997-03-18
Abstract: A glass cleaning composition comprising 0.05 to 1.5% ethylene glycol monohexyl ether, 0.01 to 2% surfactant, 0 to 15% cosolvent and water.
Patent CA-2075500-C (CA)
Title: Unit dose assembly
Inventor: O'MEARA JOHN R
IPC: B65D35/44
Filed: 1991-02-07
Granted: 2000-12-19
Abstract: A cap and tube assembly device, including a tube (II) for containing a product, a nozzle having one end mounted to one end of the tube and having a thin wall section (23) puncturable to provide a discharge on the other end and a cap (17). The nozzle has a smaller axial cross section than the tube. The junction of the tube and the nozzle define an inclined surface of transition (15) to permit flow without cavitation from the tube to the nozzle. The cap has an inside cross section sized to engage the nozzle and an outside cross section less than the inside cross section of the tube. The cap has an axially centered puncture spike (33) positioned in a first position spaced from the thin wall and movable to a second position to puncture the thin wall. The puncture means includes a chisel shaped edge (37) for forming a hole in the thin wall without fragmenting the wall. Also provided are ribs (27a, b, c) positioned in the tube for preventing entry of the cap into the nozzle when a plurality of these assemblies are stacked one on another.
Patent CA-2080231-C (CA)
Title: 2'-o-alkylnucleotides as well as polymers which contain such nucleotides
Inventor: SPROAT BRIAN
IPC: C07H19/06
Filed: 1991-04-08
Granted: 2000-10-10
Abstract: Oligonucleotides having the general formula,   in which B denotes an arbitrary nucleobase, A equals 0 or CH2;      X or Z equals O, S, NH or denotes CH2 whereby X and Z can be the same or different, V and W denote O, S, Se, NH2 or an alkyloxy residue, or OH or SH whereby V and W can be the same or different in a monomer unit and L is a H atom or a partner of a binding pair and C equals -O-R and R is an alkyl group with at least 1 C atom which may be modified if desired, or it denotes an alkenyl or alkinyl group with at least 2 C atoms which may be modified if desired, whereby the modification consists of a substitution by one or several halogen, cyano, carboxy, hydroxy, nitro or/and mercapto residues, and n is an arbitrary whole number, are stable antisense probes which bind specifically. Such oligonucleotides and polynucleotides may be used for the regulation of gene expression and as pharmaceutical agents. They are synthesized from the corresponding 2'-substituted monomers according to well-known methods, preferably on a solid phase.
Patent CA-2082870-C (CA)
Title: Name resolution for a multisystem network
Inventor: LOUCKS LARRY K
IPC: H04L29/06
Filed: 1992-11-13
Granted: 1996-10-15
Abstract: A unique naming system and method are described for managing object identification by a network of computer systems. The naming system employs data structures stored in the memory of the computer systems containing character strings and corresponding addresses to entries in the data structures and objects in the computer systems. Names employed in a particular computer system that correspond to objects in another computer system are resolved by a border data structure capable of transforming names, delimiters and visas across computer systems.
Patent CA-2085130-C (CA)
Title: Coupon dispenser
Inventor: KRINGEL GEORGE N
IPC: B65H1/08
Filed: 1991-06-24
Granted: 1998-05-05
Abstract: A stand-alone dispenser for reliably dispensing individual sheet of coupons from a stack.  The problem with coupon dispensers is that they do not have low power consumption and no protection against excess coupon removal.  The device provides an integral power supply for dispensing individual sheets. The dispenser (20) comprises a clutch (64) for preventing excessive pressure between the stack (40) and a coupon remover (50) to minimize current drain on the power supply (34). A control circuit includes delay and shutdown functions (270) to limit excessive coupon removal and a dispenser level indicator (222) to discourage tampering.
Patent CA-2087075-C (CA)
Title: Connector for terminating electrical cable assemblies of multiple configurations
Inventor: COUTO LUIS R
IPC: H02G15/04
Filed: 1993-01-11
Granted: 1996-06-25
Abstract: A  kit  of  parts  is  adapted  for  terminating electrical  cable  assemblies  of  the  type  having  plural insulated conductors extending within an insulative jacket. The kit of parts is capable of terminating the cable alone or when enclosed  in an outer cable conduit.   The kit includes a body or gland, a hollow insert extending within the gland, a gland nut for screw cooperation with the gland and sealing means disposed between the gland nut and the body for providing a cable assembly seal within the insert. The sealing means further comprises cable sealing components and separate conduit  sealing components which are used alternatively for sealing either the cable alone or the cable contained within the conduit.
Patent CA-2087298-C (CA)
Title: Bile acid sulfurated derivatives
Inventor: GIULIANI GIANGERMANO
IPC: A61P3/06
Filed: 1993-01-14
Granted: 2003-09-09
Abstract: Compounds of formula I:   (see Formula I) in which the various R groups have the meanings defined in the disclosure, are useful as medicaments for the treatment of hepatobiliary diseases.
Patent CA-2087395-C (CA)
Inventor: LEACH PATRICK ARTHUR
IPC: H04R7/02
Filed: 1993-01-15
Granted: 2001-10-23
Abstract: A method of making a loudspeaker cone and surround assembly comprises clamping at least the outer marginal edge of a cone in a mould having a cavity defining a surround and injecting an elastomeric material into the cavity through an annular orifice extending substantially continuously around the said marginal outer edge to form a surround attached to the outer marginal edge of the cone.      Preferably the method comprises the step of feeding the elastomeric material to the annular orifice through an annular feed chamber extending around the mould cavity.      The annular orifice may be narrow in width in comparison to the thickness of the surround and the method may comprise the step of separating the surround from an annular ring of sprue formed by elastomer which has solidified in or outside the annular orifice by tearing while the elastomer is still hot from the injection moulding step.      From another aspect the invention is injection moulding apparatus for carrying out the method described above.
Patent CA-2088585-C (CA)
Title: Monomeric recovery from polymeric materials
Inventor: PAISLEY MARK A
IPC: C10G1/10
Filed: 1991-08-21
Granted: 2003-02-04
Abstract: A method is described for the recovery of high yields of monomers from waste and scrape polymeric materials with mini-mal amounts of char and tar. The process involves pyrolysis in a circulating fluid bed (CFB). The polymer is heated to a tempera-ture of about 650 °C to about 1000 °C at a rate of more than 500 °C/sec in less than two seconds. Heat is supplied to the CFB by a stream of hot sand heated in a separate combustor. The sand is also used as the circulating fluid bed material of the CFB. The process is essentially devoid of solid carbon char and non-monomeric liquid products.
Patent CA-2090111-C (CA)
Title: Web-roll anti-clockspringing mechanism
Inventor: ROBERTSON JEFFREY CHARLES
IPC: G03B27/58
Filed: 1991-09-05
Granted: 1998-08-18
Abstract: An anti-clockspringing mechanism for a web-roll (14) in a cartridge (10) comprises a unitary lock member (52 or 78) having a cylindrical body (54 or 80) rotatably mounted in a sidewall (22, 24) of the cartridge (10). A flange (34 or 94) on a web-spool (35) on which the web-roll (14) is wound is provided with an annular lip (66 or 92) having alternately spaced lugs (68 or 98) and notches (70 or 96). The lock member body (54 or 80) has a handle (58 or 84) on one side thereof extending toward the cartridge exterior and at least one shoulder (62 or 90) projecting from the opposite side thereof into the cartridge interior. The shoulder (62 or 90) lies in the plane of the annular lip (66 or 92) in alignment with a sector thereof. The lock member (52 or 78) is rotatable between an unlocked position (Fig. 4 or Fig. 7), in which the shoulder (62 or 90) is withdrawn from a lip notch (70 or 96) and is out of alignment with the lip lugs (68 or 98) for allowing the web-spool (35) to freely rotate, and a locked position (Fig. 5 or Fig. 9) in which the shoulder (62 or 90) nests within a lip notch (70 or 96) in a position transverse to the lip lugs (68 or 98) for preventing the web-spool (35) from rotating.