baber/WOPTO huggingface dataset:
Patent CA-1293499-C (CA)
Title: Synthetic lubricating fluid
Inventor: YOSHIMURA NARIHIKO
IPC: C10N40/04
Filed: 1987-06-03
Granted: 1991-12-24
Abstract: ABSTRACT OF THE DISCLOSURE A synthetic lubricating fluid comprising at least one ester or its derivative represented by the formula   wherein:        n is an integer of 0 to 5 and m is an integer of 0 to 5, with the proviso that the sum of n + m is 1 to 10 inclusive;        R1 is independently selected from hydrogen and C1 to C8 alkyl groups, and R2 is independently selected from hydrogen and C1 to C3 alkyl groups.
Patent CA-1305375-C (CA)
Title: Method of manufacturing fiber preform for single-mode fibers
Inventor: MIZUTANI FUTOSHI
IPC: C03B37/018
Filed: 1987-07-02
Granted: 1992-07-21
Abstract: ABSTRACT OF THE DISCLOSURE     A method of manufacturing a glass fiber preform in which  a  quartz  glass rod  having  an  outer  coating containing chlorine and a core doped for higher refractive index has blown thereon a soot formed by a burner fed with quartz  glass  raw  material  and  a  chlorine  group  gas undergoing flame hydrolysis. The resulting composite is the heated and fused to collapse.
Patent CA-1299305-C (CA)
Inventor: DAVIS JAMES H
IPC: C08L83/04
Filed: 1987-07-07
Granted: 1992-04-21
Abstract: Abstract of the Disclosure A composition which is curable to a siloxane gum having a Williams plasticity of at least 100 mm/100 at 25°C, (2) a rein,forcing silica filler, (3) a copolymer of R3SiO0.5  units and SiO2 units in which R represents a monovalent hydrocarbon group having less than 7 carbon atoms, (4) mica and (5) an organic peroxide curing agent, and (6) an optional polydiorganosiloxane liquid.           The compositions are useful for providing fire resistant insulation on electrical equipment.
Patent CA-1302044-C (CA)
Title: Method and an arrangement for the sterilization of a filter
Inventor: BENEDETTI PAOLO
IPC: B65B55/02
Filed: 1987-07-07
Granted: 1992-06-02
Abstract: ABSTRACT    Filters for the supply of inert gas to packing machines are sterilized by passing steam and sterile air through the filters via  a number of ducts, valves and  governors. A simpler method for achieving the sterilization is obtained by sterilizing the filter  Jointly with the packing machine which may be done by connecting one side of the filter in series to the circulation system of the machine for sterilization by means of chemical sterilizing agent. In this way the  abovementioned arrangement is simplified considerably in that a large number of valves and ducts becomes superfluous.
Patent CA-1293620-C (CA)
Title: Herbicidal composition
Inventor: HAMADA TATSUHIRO
IPC: A01N47/30
Filed: 1987-10-09
Granted: 1991-12-31
Abstract: Abstract:            The present invention is directed to a herbicidal composition which comprise as the active ingredients (a) at least one compound of the formula:                        wherein R is a hydrogen atom or a methyl group and (b) at least one of 3-(4-isopropylphenyl)-1,1-dimethylurea, 3-(3-chloro-4-methoxyphenyl)-1,1-dimethylurea or 3-(3-       . chloro-4-methylphenyl)-1,1-dimethylurea, and an inert carrier or diluent, which exerts a synergistically enhanced herbicidal potency.
Patent CA-1339674-C (CA)
Title: Enzymatic l-aspartyl-l-phenylalanine alkyl ester production
Inventor: BOSTON MATTHEW GRANT
IPC: C07K5/072
Filed: 1987-11-20
Granted: 1998-02-17
Abstract: The invention relates to a method of producing L-aspartyl-L-phenylalanine alkyl ester comprising reacting L-aspartic acid alpha ester or amide with L-phenylalanine alkyl ester in the presence of an enzyme which cleaves aspartic acid from the alpha ester or amide to yield L-aspartyl-L-phenylalanine alkyl ester by condensation.  The product is useful as a sweetener.
Patent CA-1320975-C (CA)
Title: Indoor-outdoor golf course
Inventor: RUTH THOMAS L JR
IPC: A63B67/02
Filed: 1987-12-07
Granted: 1993-08-03
Abstract: ABSTRACT OF THE INVENTION   In an indoor-outdoor golf game layout comprising a covered area having an enclosure thereabout, at least one "air screen" on one side thereof insulating the interior of the said enclosure from outside weather conditions; a putting area within said enclosed covered area; at least one golf ball driving area in the enclosed covered area and adjacent the putting area the golf ball driving area comprising a series of stalls positioned in side-by-side relation and being enclosed by at least one "air screen"; an uncovered fairway area exposed to weather conditions extending away from and outside of the enclosed covered area, the fairway area being so positioned relative to the "air screen" side of the enclosed covered area that golf balls may be driven into the fairway area from the driving area through said "air screen"; golfing hazards spaced and positioned at varying points along the opposite edges of the fairways; a series of golf fairway greens located in end to end relation along the fairway area so as to provide a succession of golf green targets at approximate distances of 60 to 275 yards from the driving area, sand trap stalls at opposite ends of the tee stalls, indoor and outdoor sand trap areas positioned  in the trap stalls, at least one of the trap stalls having two trap openings with one of the trap stall openings enabling a golfer to shoot from the sand trap to the fairway greens, a golf green being positioned  outside of the enclosed covered area opposite another of said openings enabling a golfer to shoot from the trap from inside of the enclosed covered area to the golf green positioned outside of the enclosed covered area, the sand traps being located away from the golf ball driving area, and "air screens" covering the trap stall openings to the sand traps by the trap stalls, all of the areas being so cooperable with one another that a game of golf may be played from within the enclosed covered area without a golfer leaving same and to enable a golfer to play virtually all golf shots playable on a regulation outdoor golf course.
Patent CA-1313735-C (CA)
Title: Method of casting a porous membrane of polymeric material
Inventor: TWEDDLE THOMAS A
IPC: B01D67/00
Filed: 1987-12-09
Granted: 1993-02-23
Abstract: TITLE          A METHOD OF CASTING A POROUS MEMBRANE OF POLYMERIC MATERIAL                           INVENTORS    Thomas A. Tweddle Oleh Kutowy André Tremblay ABSTRACT OF DISCLOSURE          A method of casting porous membranes of polymeric material is provided wherein the membrane has at least one of the following: a more homogeneous active skin layer for separation purposes with a lower molecular weight cut off, a more homogenous active skin layer with a sharper molecular weight cut off curve, a relatively thinner active skin layer with a relatively greater flux for a given separation of a substance from a solution thereof, and relatively fewer imperfections throughout the active skin layer.  The method comprises casting a layer of a casting solution (e.g. polysulfone in N-methyl pyrrolidinone) on to a support, to provide a cast layer of the casting solution thereon with an exposed skin, then progressively submerging the cast layer in a gelation liquid (iced water) at a relative velocity of at least 15 cm/second, whereby the exposed skin is gently scrubbed with gelation liquid to continuously remove outwardly diffusing solvent therefrom and dissipate exothermic heat, thus causing gelation of at least a stable, more homogeneous active skin layer, with build-up of a solvent boundary layer between the exposed surface of the layer and the gelation liquid minimized.
Patent CA-1319529-C (CA)
Title: Fiber optic sensor array and method
Inventor: LAYTON MICHAEL R
IPC: G01D5/353
Filed: 1987-12-21
Granted: 1993-06-29
Abstract: FIBER OPTIC SENSOR ARRAY AND METHOD                    ABSTRACT OF THE DISCLOSURE A fiber optic sensor array (10) comprises a single transmit optical fiber (14) for guiding an incident optical signal through a plurality of sensing segments (20A, 20B, 20C) in the transmit optical fiber (14) arranged in a seriesarray. The sensor array (10) may include a single return optical fiber (16), or the sensors may be arranged in groups (20A, 202B, 202C) with all the member of one group (202A) being connected to a corresponding return fiber (212). Optical couplers (18A, 18B,18C) formed between the transmit (14) and return optical fibers (16) couple a portion of the incident signal into the return fiber (16) after the signal propagates through each sensing segment (20A, 20B, 20C). A loop (100A, 100B, 100C) is formed in the transmit fiber at each optical coupler (18A, 18B, 18C) so that the incident signal travels through the sensing segments in one direction and through the return fiber in the opposite direction. The couplers may be identical and may be have either symmetrical or asymmetrical coupling coefficients. Asymmetrical couplers (290, 308, 310) may be used to attenuate the intensities of undesired signals that recirculate in the loops of the array.
Patent CA-1309338-C (CA)
Title: Controlling molluscs with 2-(2-chloro-1-methoxyethoxy) -phenyl methylcarbamate
Inventor: KIEHS KARL
IPC: A01N47/22
Filed: 1988-02-15
Granted: 1992-10-27
Abstract: - 7 -          O.Z. 0050/38997 Abstract ot the Disclosure:  A method for controlling molluscs with 2-(2-chloro-1-methoxyethoxy)phenyl methyl-carbamate of the formula   and molluscicides containing a mixture of 2-(2-chloro-1-methoxyethoxy)phenyl methylcarbamate with methyl benzimi-dazol-2-ylcarbamate is described.
Patent CA-1334836-C (CA)
Title: Removal of salts from aqueous alkanolamines using an electrodialysis cell with an ion exchange membrane
Inventor: GREGORY RICHARD A JR
IPC: B01D61/42
Filed: 1988-04-08
Granted: 1995-03-21
Abstract: Method which includes passing a gas stream containing carbon dioxide, hydrogen sulfide, sulfur dioxide, mercaptans and other acid gases through an aqueous alkanolamine solution to remove the carbon dioxide, hydrogen sulfide, sulfur dioxide, mercaptans, etc., from the gaseous stream.  Heat-stable alkanolamine salts form in the aqueous alkanolamine solution due to the acid contaminants (other than hydrogen sulfide or carbon dioxide) removed from the gas stream.  A base is added to the aqueous alkanolamine solution to convert all or part of the heat-stable alkanolamine salts into alkanolamine and simple salts.  The base-treated aqueous alkanolamine solution is electrodialyzed in an electrodialysis cell containing ion exchange membranes.          The purified aqueous alkanolamine solution can be used again to remove carbon dioxide, etc., from the gas stream.
Patent CA-1314470-C (CA)
Inventor: HUKKANEN RAUNO K
IPC: C25C7/06
Filed: 1988-04-14
Granted: 1993-03-16
Abstract: (57) ABSTRACT            The invention relates to the straightening of cast anodes on their way to the electrolytic relining of metals, and to an apparatus for realizing the method.  An essential feature of the method is that the straightening of the anodes and the elimination of the edge fins is carried out by pressing the anode at several spots simultaneously.
Patent CA-1330541-C (CA)
Title: Method for preserving transplantable sheets of epithelium cultured in vitro
Inventor: CANCEDDA RANIERI
IPC: C12N5/071
Filed: 1988-06-22
Granted: 1994-07-05
Abstract: Abstract METHOD FOR PRESERVING TRANSPLANTABLE SHEETS OF EPITHELIUM          CULTURED IN VITRO     A process for preserving cultured epithelial sheets by incubating the sheets at room temperature in media with a glycerol or dimethylsulfoxide as cryopreservant for a predetermined  period  of  time  and  then  freezing  the cultured sheets.  The cooling gradient is characterized as having  a  lower  initial  rate  of  cooling  followed by  a higher rate of cooling.
Patent CA-1281593-C (CA)
Title: Frail material slurry pump
Inventor: BRECKNER RAYMOND A
IPC: F04B15/02
Filed: 1988-07-15
Granted: 1991-03-19
Abstract: Frail Material Slurry Pump Abstract of the Disclosure A pump for pumping a slurry of frail material is provided by a rigid chamber which is connected  to a  source of  negative air pressure when  an inlet  valve is open and an outlet valve closed to suck the slurry through the open inlet valve into the chamber, the amount of slurry in the chamber is sensed and when it reaches a preset amount  a  controller  is triggered  to  disconnect the source of  negative pressure  and close the inlet valve, and then admit air under positive pressure to  the chamber,  then open the outlet valve to drive  the contents  of the  chamber through the outlet by replacing a significant  amount  of  the  contents with air.   The controller then causes the air pressure in the chamber to be reduced and  closes the  outlet valve,  and then reconnects the chamber  to the  source of  negative pressure and  then opens the inlet valve to  commence  a  second  cycle.    The  inlet and outlet  valves  are  bladder  type  valves  to  protect the frail material and permit simplified operation.
Patent CA-1317209-C (CA)
Title: Band feeding and tightening apparatus in strapping machine
Inventor: SAKAKI YASUNORI
IPC: B65B13/18
Filed: 1988-09-09
Granted: 1993-05-04
Abstract: ABSTRACT           The present invention relates to a band feeding and tightening apparatus in a strapping machine wherein external force for jamming by means of friction and the like in feeding the band pivotably rotates a chute guide constituting a band passage, whereby the rear end portion of the chute guide is pushed upward and the band which is loosened to a length corresponding to the height of the pushed-up portion is retained in the band passage, so that the external force is momentarily opened and the band is smoothly fed to the outside of the main body by means of a continuously rotating feed roller and an upper roller without causing jamming.  The feed roller is driven by a series motor and the band is fed at a high speed and a low torque,  and then  restored  (a primary tightening)  and finally closely tightened around an article to be strapped at a low speed and a high torque.  The signal of a sensor for detecting the opening of chute guide stops the feeding of the band by means of the feed roller whereby unnecessary feeding of the band is avoided.
Patent CA-1327100-C (CA)
Title: Spinal fixation device
Inventor: GOTZEN LEO
IPC: A61B17/58
Filed: 1988-10-05
Granted: 1994-02-22
Abstract: Abstract of the Disclosure:                  "A spinal fixation device"    An implantable fixation device comprises a support bar (1) having right-hand threads on the one end and left-hand threads on the opposite end, and having jaw supports (5, 6) threadingly mounted on the respective threaded ends. The jaw supports have secured thereto bolt jaws by means of a respective clamping screw (7), which bolt jaws are (adapted to be) fixed to intact vertebral bodies of the spinal column by means of bone (screw) bolts (13). Further, the bolt jaws are provided with receiving holes (16) permitting the insertion of rod-shaped repositioning instruments (17). By means of this structure, setting of the vertebral elements or segments is possible irrespective of the length of the bone bolts. The repositioning rods (17) can be easily removed; subsequent shortening of the bone bolts (17) is not necessary.          (Figure 1)
Patent CA-1331528-C (CA)
Inventor: RUSHTON WILLIAM
IPC: C22C9/02
Filed: 1988-10-14
Granted: 1994-08-23
Abstract: ABSTRACT            An alloy for the manufacture of cast components, for example taps, water meters, pipe couplings and parts thereof, intended for use in potable water supply installations comprises 1.5 to 7 wt% bismuth, from 5 to 15 wt% zinc, from 1 to 12 wt% tin, the balance apart from any impurities and any minor amounts of elemental additives being copper.
Patent CA-1336405-C (CA)
Title: Biocompatible synthetic and collagen compositions for  treatment of wounds and pressure ulcers and therapeutic methods
Inventor: SILVER FREDERICK H
IPC: A61L27/58
Filed: 1988-10-25
Granted: 1995-07-25
Abstract: A therapeutic method for treating pressure ulcers such as decubitus ulcers with biodegradable collagen flake compositions and with biodegradable collagen sponge or sponge-like compositions.  The products of the invention include biodegradable collagen flake compositions and biodegradable collagen sponge or sponge-like compositions.  The products are useful for medical applications, such as skin reconstruction, treatment of wounds, especially deep wounds, also in connection with surgery, including cosmetic surgery. The invention also deals with biocompatible synthetic resin sponge or sponge-like and flake products for medical and similar applications.  The invention contemplates the treatment of human and animal species.
Patent CA-1320330-C (CA)
Title: Apparatus and method for decontamination of microspheres used in a fluidized patient support system
Inventor: SIMAN ALFRED W
IPC: A61G7/057
Filed: 1989-04-06
Granted: 1993-07-20
Abstract: ABSTRACT OF THE DISCLOSURE   An apparatus and method for decontaminating contaminated microspheres of a patient support system employing a fluidizing medium to fluidize the micro-spheres to provide support for the patient, includes a tank for containing the microspheres.  The tank includes a diffuser mounted inside the tank to form a plenum in the bottom of the tank.  A rigid shell surrounds heat-insulating material around the outside of the tank.  A recirculation channel is defined in the shell.  A cover seals the tank.  An air heater member and a gas blower provide hot air to fluidize the microspheres inside the tank.  A valve permits a heating mode of operation, a cooling mode of operation, and a holding temperature mode of operation.  The valve is switched between modes by action of a solenoid or a motor.  A temperature probe monitors the temperature inside of the tank.  A control circuit controls the air heater, the valve, and the gas blower according to a predetermined timed sequence of actuation.  The monitored temperatures are recorded to provide a hard record of same.   The method includes sieving the contaminated microspheres before placing them into the container and fluidizing them with heated air until a predetermined temperature is maintained for a predetermined time.          The heated air is recirculated.  The decontaminated microspheres are cooled by introducing ambient air into the tank and expelling the hot air from the tank.  The heating of the gas is discontinued when the holding temperature is attained and resumed when the tempera-ture falls below the holding temperature.
Patent CA-1325699-C (CA)
Title: Intraocular optical system
Inventor: SULC JIRI
IPC: A61F2/16
Filed: 1989-04-10
Granted: 1994-01-04
Abstract: ABSTRACT OF THE DISCLOSURE:         An intraocular optical system consisting of a hollow elastically deformable insert, following the shape of capsula lentis at least in main lines,  leaning against the inner wall of capsula lentis and keeping it moderately tensioned, which insert consists of a front element and rear element and an elastic element placed between them, and contains one to four lenses placed in the main axis of eye. At least one of these lenses is connected with the insert in such a way, that it moves axially at the contraction and release of accommodation muscles and thus changes its position between the retina and cornea.  The insert is made from biocompatible materials as are silicon elastomers, hydrogels, advantageously elastic and with the shape memory, for example,  from partially dried hydrogels with the hydrophilized surface, or from material with the glass-transition temperature Tg from -5°C to 45°C or with Tg adjusted to meet this requirement, for example, by swelling hydrogels into a non-equilibrium state.  The insert deformed into a rod-like form with the diameter less than 3 mm can be introduced into an eye through a very small incision.
Patent CA-1303447-C (CA)
Title: Female urinary incontinence device
Inventor: METZ MICHAEL
IPC: A61F5/455
Filed: 1989-05-31
Granted: 1992-06-16
Abstract: FEMALE URINARY INCONTINENCE DEVICE             Abstract of the Disclosure A female urinary incontinence device including a periurethral cup, an external pad of soft, flexible, resilient material, and a compressible tubular elastic bellows extending between a lower opening of the cup and the inlet to a fluid discharge passage extending through the pad.  The discharge passage extends forwardly (anteriorly) in a generally horizontal direction along the sagittal midplane of the pad, and the undersurface of the pad is provided with laterally-disposed and generally-horizontal surface portions, and preferably also a coplanar medial surface portion, for distributing forces and preventing inversion of the pad when a wearer is seated.  A flexible discharge tube has one end detachably connected to the pad's discharge passage by means of a tubular coupling having an insert portion received in the outlet of that passage. The coupling includes a laterally-directed vent and valve, and an upwardly-extending T-shaped (in section) projection of the coupling is frictionally received in a T-shaped slot in the pad for preventing rotation of the coupling with respect to the pad and for holding the coupling in alignment, and in flow communication, with the pad's discharge passage.
Patent CA-1317806-C (CA)
Title: Press apparatus
Inventor: RIDDICK IAN W
IPC: D21F3/02
Filed: 1989-06-09
Granted: 1993-05-18
Abstract: ABSTRACT OF THE DISCLOSURE.    A press appartus is disclosed for removing water from a formed web.  The apparatus includes a first press member and a backing roll device which cooperates with the first press member for defining therebetween a first press nip.   A second press member  is  disposed downstream relative to the first press nip with the second press member cooperating with the backing roll device  for defining therebetween a second press nip. A third press member is disposed downstream relative to the second press nip, with the third press member cooperating with the second press member for defining therebetween a third press nip such that when the web extends through the first, second and third press nips, a first, second and third portion of water is removed from the web.  A wet end support supports the first press member and the backing roll device.  A dry end frame is disposed downstream relative to the wet end support for supporting the third press member.  An intermediate anchoring arrangement is disposed between the support and the frame for supporting the second press member.  A plurality of pivoted links removably extend between the wet end support, dry end frame and intermediate anchoring arrangement such that in an operative mode,  the support,  frame and anchoring arrangement are rigidly connected together for stabilizing the press apparatus and when the press apparatus is in an inoperative mode, the links are released from and pivoted relative to the press apparatus for  facilitating the removal of the press members and backing roll device from the press apparatus, and for facilitating felting of the press.
Patent CA-1338036-C (CA)
Title: Analyser sealing
Inventor: JAERVINEN MARJA-LEENA
IPC: F16J15/447
Filed: 1989-06-21
Granted: 1996-02-06
Abstract: A sealing member is disclosed for use in a portable or on-line analyser to achieve a tight seal between a sample and the analyser in order to perform the analysis in a desired gas atmosphere.   The sealing member is a semi-labyrinth sealing member manufactured of metal, elastic material or ceramic material.