baber/WOPTO huggingface dataset:
Patent CA-2042258-C (CA)
Title: Electrodeless hid lamp with microwave power coupler
Inventor: LAPATOVICH WALTER P
IPC: H05B41/24
Filed: 1991-05-09
Granted: 2002-02-05
Abstract: An electrodeless lamp may be formed with a capsule having a radiant energy transmissive material defining an approximately cylindrical enclosed volume having an external length less than 20.0 millimeters, and an outer diameter less than 8.0 millimeters. The enclosed volume is filled with a lamp fill excitable by a high frequency electromagnetic field to produce radiant energy. The small size capsule produces a particularly efficient, orientation tolerant arc discharge. The arc is then highly stable as to position, yielding a good optical source to design for. The temperature gradient is small, thereby yielding little thermal stress on the capsule. An electrodeless HID headlamp system may be formed with the efficient capsule from a radio frequency source operating from a the power supply of a typical automobile. The headlamp system includes a high frequency power source, a transmission line, a coupler, an excitable lamp fill captured in a lamp capsule, a reflector and a lens.
Patent CA-2048041-C (CA)
Title: Underwater surface-layer removal device having a flexible drapable skirt
Inventor: VAN DER SCHRIECK GERARD LOUIS
IPC: E02B3/02
Filed: 1991-07-29
Granted: 1997-03-18
Abstract: To remove a surface layer (54) from an underwater bed (50), without disturbance of the environment, the device (1) to carry out this process is characterised in that it comprises flexible edge means (5) along virtually completely the whole length of its outer (34) for bottom edge (3) for interacting in a sealing manner with the underwater bed (50). In this way, the process of removing the surface layer (54) is carried out within a safely confined area (52). Said edge means (5) can comprise a suspended, relatively thin loose fitting flexible web-like means, the lower edge of which is preferably weightened. To decrease or eliminate the occurence of eddies in the water during raising and lowering of the device (1), closable holes (14) can be provided in the screen (2). These holes (14) can be shut off by panels (15) which can be moved virtually parallel to the screen (2). Removing of surface layer (52) can be carried out using e.g. water jets, cutter means, screw type means, brushes etc.
Patent CA-2051658-C (CA)
Title: Back-up safety device and method
Inventor: MIELE JOSEPH R
IPC: B60T7/22
Filed: 1990-04-18
Granted: 2003-09-23
Abstract: The device senses the impact of a vehicle (10) backing into an object; and automatically applies the brakes of an ordinary hydraulic brake system to stop the vehicle very quickly, before any significant damage can be clone. The device uses a pneumatic cylinder (24) to quickly and powerfully pull on the brake pedal (16) of the vehicle when the vehicle is in reverse gear and an im-pact is sensed. A small, light-weight and relatively inexpensive air compressor (18) which runs off of the battery (32), of the vehi-cle and a reservoir (20) are used to supply the air cylinder. The brakes stay in the actuated condition until the vehicle is taken out of reverse gear (38); then the air cylinder is vented to atmosphere automatically, and the brake pedal is released to return it to its initial position and enable the normal operation of the vehicle. The device can be supplied in the form of a kit to be used to easily modify existing vehicles without invading the hydraulic brake lines or vacuum system of the vehicle.
Patent CA-2052138-C (CA)
Title: Hydraulic down pressure structure for an implement with multiple ground engaging tools
Inventor: HADLEY HOWARD C
IPC: A01C7/20
Filed: 1991-09-24
Granted: 1995-08-15
Abstract: An improved down pressure arrangement for an implement such as a multi-section grain drill having fixed-height section frames with corresponding gangs of opener assemblies. The opener assemblies of each gang are yieldingly biased downwardly by a spring and bracket structure operably connected to a rockshaft.  One rockshaft per gang is provided, and each rockshaft is controlled by a single down pressure adjusting cylinder.  The cylinders are connected in parallel and to a pressure regulator to provide adjustable and uniform average opener down pressure across the width of the drill for more constant opener depth in irregular ground conditions. Tension links connected to the bracket structure permit the opener assemblies to be raised from a ground-working position to a transport position.
Patent CA-2054300-C (CA)
Title: Aqueous composition
Inventor: HENRY WILLIAM JOHN
IPC: A01N47/44
Filed: 1991-10-25
Granted: 2002-08-27
Abstract: A aqueous medium containing a biguanide, particularly a biguanide oligomer, and having a pH of less than 5. The biguanide oligomer may be a poly(hexamethylene biguanide) having up to 15 repeat units. The medium has improved storage stability compared to commercially available systems and is at least as effective as a biocide.
Patent CA-2054368-C (CA)
Inventor: KOJIMA KOICHI
IPC: A61K31/58
Filed: 1991-10-28
Granted: 2001-10-02
Abstract: Compounds of formula (I): (see formula I) (in which: R1 is a hydrogen atom, an unsubstituted alkyl group, an aryl-substituted alkyl group or a heterocyclic-substituted alkyl group; R2 is an aryl-substituted alkyl group, a heterocyclic-substituted alkyl group or a diarylamino group; R3 is a hydrogen atom, an unsubstituted alkyl group, an aryl-substituted alkyl group or an alkenyl group having from 3 to 6 carbon atoms; and each of the bonds represented by .alpha.-.beta. and .gamma.-.delta. is a carbon-carbon single bond or a carbon-carbon double bond;) and pharmaceutically acceptable salts and esters thereof are useful for the treatment and prophylaxis of prostatic hypertrophy. We also provide processes for their preparation.
Patent CA-2055444-C (CA)
Inventor: NAGAHARA HAJIME
IPC: C07C13/20
Filed: 1991-08-13
Granted: 1999-04-13
Abstract: Divulgation d'une méthode pour prétraiter une bouillie contenant un catalyseur à base de ruthénium à utiliser durant l'hydrogénation partielle continue d'hydrocarbures aromatiques monocycliques. La méthode consiste à traiter la bouillie susmentionnée à la chaleur, tout en l'agitant, à une température allant de 60 à 180 degrés C pendant au moins 10 minutes. En utilisant la bouillie prétraitée contenant le catalyseur durant l'hydrogénation partielle continue, il est possible d'obtenir efficacement les produits de la réaction d'hydrogénation partielle sans avoir à subir de mélange excessif des composantes de la bouillie contenant le catalyseur dans une phase huileuse comprenant les produits de la réaction d'hydrogénation partielle, permettant ainsi de simplifier les opérations et les installations nécessaires à la séparation.
Patent CA-2058690-C (CA)
Title: Apparatus for separating particulate material from hot gas
Inventor: KALEN BODO
IPC: B04C5/28
Filed: 1992-01-02
Granted: 1999-02-02
Abstract: A method and apparatus are disclosed for separating particulates from hot gas in the type of system employing a particulate gas chamber, a clean gas outlet chamber and an array of separator units.  The structure defining the clean gas chamber is suspended solely from a top cover of a housing thus avoiding serious heat differential problems.  The separator units are provided with a novel inlet to enhance separation efficiency, and a method is provided for increasing bypass of particulate past the separator units without adversely affecting the operation thereof.
Patent CA-2061228-C (CA)
Title: Ringing choke converter
Inventor: KOBAYASHI TADASHI
IPC: H02M3/338
Filed: 1992-02-14
Granted: 1997-05-27
Abstract: In a ringing choke converter, a series circuit of a capacitor means and a diode means is disposed between a base and an emitter of a switching transistor means, and a constant-voltage diode means is linked in parallel with the capacitor means. In consequence, a voltage applied to the capacitor means does not exceed a voltage value of the constant-voltage diode means. In particular, a collector surge current flowing through the switching transistor means is restricted by the voltage value of the constant-voltage diode means. Consequently, even if the switching transistor means abruptly changes its operation when the converter is switching on or off, it is possible to prevent an excessive surge current from flowing through the transistor means.
Patent CA-2062026-C (CA)
Inventor: DAROLIA RAMGOPAL
IPC: C22C19/00
Filed: 1992-02-27
Granted: 2003-04-29
Abstract: A NiAl nickel aluminide alloyed with yttrium, optionally gallium, and an element selected from the group consisting of chromium, molybdenum and combinations thereof, having improved room temperature ductility and plastic strain. NiAl nickel aluminide intermetallics alloyed with no more than about 5 atomic percent of additional elements have significantly improved room temperature ductility over conventional unalloyed beta phase nickel aluminides or beta phase nickel aluminides alloyed with higher percentages of additional elements.
Patent CA-2062707-C (CA)
Title: Glass melter with front-wall oxygen fired burner
Inventor: LAUWERS EDDY J
IPC: C03B5/235
Filed: 1992-03-11
Granted: 1996-05-28
Abstract: The invention relates to a process for melting glass forming ingredients in a glass melting furance adapted therefore, said furance having an upstream melting zone and a downstream fining zone, wherein the glass forming ingredients introduced to the upstream melting zone via inlet means and the resulting melt therefrom travel along a path from the melting zone to the fining zone, said melt being withdrawn from outlet means which communicate with the fining zone, the improvement comprising; providing at least one high momentum oxygen-fired flame in the vicinity of said outlet means to sweep unmelted glass forming ingredients floating on the surface of the melt in said vicinity to prevent said unmelted glass forming ingredients from entering the outlet means whereby the contamination of an outflowing molten glass from said outlet means is avoided or reduced.
Patent CA-2063084-C (CA)
Title: Metering system with remotely resettable time lockout
Inventor: HUNTER KEVIN D
IPC: G06F1/00
Filed: 1992-03-17
Granted: 1998-08-04
Abstract: A metering system requires a user to provide periodic, accurate meter readings to a billing authority.    The metering system includes a mechanism for dispensing postage or another accountable quantity, an accounting mechanism for updating and storing information regarding the amount of postage dispensed by the dispensing mechanism and an output mechanism for outputting the stored postage information.  The system also includes a mechanism for storing a time deadline, a clock that provides a current date signal and a lock that disables the dispensing mechanism when the current date is not before the stored deadline.  The system also includes a reset mechanism for extending the stored deadline.    A user of the system reads the output of the system to obtain a current meter reading.  The user then telephones the billing authority's data center, provides the current reading to the data center and receives back from the center an encrypted combination that reflects the reading provided by the user.  The user enters the combination into the system.  The meter decrypts the combination and verifies that the reading provided by the user matches the stored postage information. The meter then extends the stored deadline.
Patent CA-2070749-C (CA)
Inventor: SAITO TSUTOMU
IPC: A61K8/00
Filed: 1992-06-09
Granted: 2002-03-26
Abstract: A photochromic ultra-violet ray shield material principally composed of titanium oxide particles, which have a specific surface area of 25 m2/g or above and also have 4E=5 <= A (discoloration degrees) and B (at restoration) <= .DELTA.E=3, a method of manufacturing the same and a skin external preparation using the same. Both photochromic property and excellent ultra-violet ray shield effect are obtained.
Patent CA-2071031-C (CA)
Inventor: SHINTANI RYOEI
IPC: B23Q1/76
Filed: 1992-06-11
Granted: 1995-09-26
Abstract: A disc cutting apparatus for cutting opposite surfaces of a disc-shaped workpiece such as a disc rotor for an automobile disc brake includes a rotating mechanism for positioning and rotating the workpiece which is pressed, under uniform pressure, radially inwardly by a plurality of holder mechanisms.  While the workpiece is be-ing rotated by the rotating mechanism and pressed by the pressing mechanism, the workpiece is cut by a cutting mech-anism.  The cutting mechanism includes cutters for cutting opposite surfaces of the workpiece, and the cutters are po-sitionally adjusted with respect to the workpiece based on positional information detected by a detector which has a probe held against the workpiece.
Patent CA-2071818-C (CA)
Title: Microwave circuit
Inventor: DEKI AKIHITO
IPC: H01P5/107
Filed: 1991-08-30
Granted: 1996-12-31
Abstract: A microwave circuit includes a concentric-circle-like prominence (7) formed on a contact surface which is on the side of a metal body (3) serving as an external conductor of a coaxial line and which connects a conductor strip (1) of an MSL formed on a dielectric substrate (2) to an internal conductor of the coaxial line through a through-hole (9) extending from a ground plane (11) of the MSL through the dielectric substrate (2).  The construction involves no mismatched portion and can prevent a loss and deterioration in VSWR in the coaxial-line/MSL conversion section, thereby making it possible to obtain satisfactory characteristics.
Patent CA-2073328-C (CA)
Title: Knee joint prosthesis
Inventor: ROBERTS JEFFREY G
IPC: A61F2/28
Filed: 1991-01-07
Granted: 2000-06-13
Abstract: A knee joint prosthesis includes tibial (12) and femoral (14) components and a bearing insert (60) designed for unicompartmental prosthetic total knee replacement and can be implanted using arthroscopic surgical techniques. The tibial and femoral prosthesis components have channels or portals (76, 132) therethrough allowing supply of cement to the prosthesis-bone interface after the prosthesis has been positioned for implant. Recesses (74, 124) communicate with the channels and cooperate with the bone surfaces to form cement receiving chambers, and rims (84, 144) at least partially surround the recesses to penetrate the bone surfaces to stabilize the positions of the prostheses and form seals preventing cement from escaping from the prosthesis-bone interfaces.
Patent CA-2076428-C (CA)
Title: Method for coloring fruits and vegetables with anthraquinones and product
Inventor: NAFISI-MOVAGHER KARIM
IPC: A23L1/275
Filed: 1992-08-19
Granted: 2004-12-14
Abstract: A method for permanently coloring fruits (cherries) and vegetables using carmine and other anthraquinones, using mixtures of multivalent metal ions and acid. The cherries are infused with a mixture of calcium ions, other multivalent metal ions, and carmine dye, at a pH at which the carmine is in soluble form. The cherries are then infused with an acidification solution which results in the precipitation of an insoluble carmine-metal ion complex within the cherries. Unused dye is treated and recycled.
Patent CA-2077870-C (CA)
Title: Click-action membrane switch unit
Inventor: KAIZU MASAHIRO
IPC: H01H13/70
Filed: 1992-09-09
Granted: 1996-07-09
Abstract: A click-action membrane switch unit comprises a flexible base film having two surfaces, flexible circuits formed on at least one of said two surfaces of the base film and having interdigitating electrode contacts, a resist film formed on the flexible circuits and having a window in the region of the electrode contacts, a dome-shaped click spring made of electrically conducting material and having an edge placed on the circuits, and a layer fixed to the other surface of the base film and having an opening formed in the portion of the layer which aligns with the click spring.
Patent CA-2078945-C (CA)
Title: Leak proof drain plug construction
Inventor: ACKERMAN YURI
IPC: F16N31/00
Filed: 1992-09-23
Granted: 2004-11-23
Abstract: A composite drain plug comprising a metal plug element and an elastomeric seal element. The said plug element includes a body with a head portion defined in part by exterior, tool-engaging flank surfaces, a radially enlarged, seal positioning flange with an outer diameter surface and a seal-engaging end face surface.      The plug also includes a threaded fastening shank, and a depth stop shoulder with a radial end face surface and an axial offsetting surface. The elastomeric seal element includes a seal body integrally bonded to the positioning flange and to offsetting shoulder surface on said depth stop. The seal body also includes a radially extending, axially inwardly directed end face primary sealing surface, lying axially inwardly of the end face of the depth stop.
Patent CA-2087888-C (CA)
Title: Optical information processor
Inventor: NISHII KANJI
IPC: G06V10/88
Filed: 1993-01-22
Granted: 1996-12-24
Abstract: Visual recognition apparatus for use in, for example, a robot, requires an optical information processor for image processing or recognition. The processor includes a first spatial light modulator for displaying an input image, a first lens having a front focal plane on which the first spatial light modulator is positioned, a second spatial light modulator for displaying at least one optical filter, a second lens having a front focal plane on which the second spatial light modulator is positioned, and a third lens having a front focal plane on which a back focal plane of the second lens lies. The processor also includes a beam splitter for combining light transmitted through the first lens with light transmitted through the third lens, and a fourth lens having a front focal plane on which both a back focal plane of the first lens and a back focal plane of the third lens generally lie.  The arrangement enables the system to use two optical paths parallel to each other, and, as a consequence to reduce the length of the processor.
Patent CA-2092239-C (CA)
Title: Composite pigmentary material
Inventor: SIMPSON LESLIE AINSLEY
IPC: C09C3/00
Filed: 1993-05-12
Granted: 2004-08-24
Abstract: A composite particulate pigmentary material is disclosed which comprises an association of at least two chemically distinct materials in which the particles of one material carry a positive surface charge and the particles of the second material carry a negative surface charge and particles are held in association as a result of these surface charges.      Also disclosed is a method for preparing composite particulate pigmentary material comprising forming aqueous dispersions of two particulate materials under conditions in which the surface charges of the particles of the two materials are of different signs and mixing the dispersions.        Typical materials useful for preparing the composite include inorganic pigments, fillers and extenders and organic polymeric microspheres.      The product is useful as a pigment in, for example, paints, inks, paper and plastics.
Patent CA-2093972-C (CA)
Title: Support post for packaging systems
Inventor: HUGHES BILLY RAY
IPC: B65D5/50
Filed: 1993-04-14
Granted: 1996-07-30
Abstract: A support post for appliance packaging defined from a formed paperboard tube and including inner and outer walls with laterally directed stiffening beads formed from either wall and extending into free engagement with the opposite wall.  The stiffening beads include opposed side panels with an integral apex portion therebetween.  At least one side panel extends at an acute interior angle to the side from which the bead is formed for a generally lateral inclination of the bead to lie at least partially between planar portions of the inner and outer wall to form intermediate layers upon collapse of the inner and outer walls toward each other.
Patent CA-2100506-C (CA)
Inventor: MOLYNEUX GODFREY MATTHEW OWEN
IPC: E01B9/28
Filed: 1993-07-14
Granted: 2004-02-17
Abstract: An adjustable rail anchorage arrangement comprises: a support surface (24) for supporting a rail (26). A platform base (4) is fast with this support surface and a boss (9) is upstanding from the platform base. A passageway in the boss captively receives a threaded bolt and nut assembly (1/2/23) having a shaft (2). A rail dip (15) has a hale (17) that encompasses the boss and the shaft and there is a cam (18) having a hole (20) whereby the cam is fitted over the boss and the shaft.        A cam surface of the cam engages the rail clip whereby rotation of the cam causes lateral movement of the rail clip, whereafter the cam can be clamped in position by the bolt and nut assembly.
Patent CA-2101376-C (CA)
Inventor: COLE FRED
IPC: G01S17/88
Filed: 1993-07-27
Granted: 1998-06-23
Abstract: Electrically operated folding operable walls are provided that are controlled by an electrical operation circuit of the type having a key switch, a control panel, an extend limit switch, a stack limit switch, control relays and a motor.  The invention consists of a mechanism for creating an infrared barrier curtain on opposite sides of an operating path of the folding operable walls. Another mechanism  is for shutting down the electrical operation circuit of the folding operable walls when a physical obstruction enters into the operating path of the folding operable walls and interrupts the infrared barrier curtain.  Still another mechanism is for restarting up the electrical operation circuit of the folding operable walls after the physical obstruction is removed from the operating path of the folding operable walls.
Patent CA-2102945-C (CA)
Inventor: ISHIWATA MASAYUKI
IPC: B60R13/02
Filed: 1993-11-12
Granted: 1997-05-20
Abstract: With the trim connecting structure in accordance with the present invention, a quarter trim covering a quarter panel and the room inside of side sill comprises a trim body and a side scuff.   The trim body is provided with a locking hole with different widths at the upper and lower ends, and the side scuff is provided with a locking claw having a notch so as to be elastically deformed inward in the width direction when the locking claw is inserted into the locking hole.  The side scuff is locked into and fixed to the trim body by inserting the locking claw into the locking hole.
Patent CA-2110442-C (CA)
Inventor: OBERMEIER RAINER
IPC: C07K19/00
Filed: 1993-12-01
Granted: 2004-05-04
Abstract: Process for obtaining proinsulin possessing correctly licked cystine bridges A process is described for obtaining proinsulin possessing correctly linked cystine bridges from a corresponding proinsulin amino acid chain in the presence of mercaptan and chaotropic auxiliary agents and at a pH of 10 to 11, as well as its direct isolation from the reaction mixture using hydrophobic adsorber resins.
Patent CA-2111728-C (CA)
Inventor: DEUBZER BERNWARD
IPC: C09D7/65
Filed: 1993-12-17
Granted: 1997-11-25
Abstract: Process for the preparation of an organopolysiloxane resin, which comprises in a first stage reacting at least one silane of the formula RaSi(OR1)4-a                       (I) in which a has a value of 0, 1, 2 or 3, R and R1 are monovalent organic radicals which may be the same or different and/or a partial hydrolyzate thereof, with the proviso that at least one silane of formula (I), where a is 0 or 1 and/or a partial hydrolyzate thereof is employed, and optionally an organo(poly)siloxane with water in the presence of a poly-protic acid and optionally other substances, subsequently partly neutralizing the acid by addition of a base and then distilling off at least some of the compound R1OH formed, in a second stage reacting the homogeneous reaction mass resulting from the first stage in the presence of a base and a water-insoluble organic solvent and distilling off the water and the compound R1OH, in a third stage, bringing the homogeneous reaction mass resulting from the second stage to a pH of between 6 and 8 by buffering with a poly-protic acid and/or salts thereof, distilling off the water and any compound R1OH still present and filtering off the salt which has precipitated, and optionally, in a fourth stage separating the homogeneous reaction mass resulting from the third stage from the water-insoluble organic solvent.