baber/WOPTO huggingface dataset:
Patent CA-2042882-A1 (CA)
Inventor: MICHEL CLAUDE
IPC: H01L39/12
Filed: 1991-05-17
Abstract: L'invention concerne un procédé de préparation d'une composition supraconductrice du type L1-x M'xM2-yM"yCu4O8, L étant l'yttrium, une terre rare ou une combinaison de ces éléments, M' étant un élément de valence inférieure à celle de l'élément L, M étant un alcalino-terreux, M" étant un élément de valence inférieure ou égale à 2, 0 ? x ? 0,3 et 0 ? y ? 1. Ce procédé est caractérisé en ce qu'on mélange des composés comprenant les éléments L, M', M, M", Cu et O en quantités convenables avec un additif qui est un peroxyde ou un hyperoxyde alcalin, puis on chauffe et on fait réagir le mélange ainsi obtenu. Le procédé de l'invention est mis en oeuvre à la pression normale d'oxygène et il s'appligue particulièrement bien à la préparation des phases YBa2Cu4O8 et Y0,9Ca0,1Ba2Cu4O8 notamment.
Patent CA-2045859-A1 (CA)
Inventor: JONES ANTHONY G
IPC: C04B35/628
Filed: 1991-06-27
Abstract: ABSTRACT OF THE DISCLOSURE                      COMPOSITIONS       A composition suitable for the production of ceramics is provided. The composition comprises a particulate material which is a nitride, carbide, carbonitride or boride of Ti, Zr, Al, Si or B having a coating on the particle comprising 5 to 75 wt% with respect to particulate material of an oxide or hydrous oxide of zirconium.      The composition can be used to produce a tough zirconia/non-oxide ceramic without the need to co-mill the ingredients.      A stabilising agent for the zirconia may also be present in the coating although the invention is designed to avoid the necessity for such agents.      Coating usually is effected by a wet treatment process in which the particles are dispersed in a solution of a hydrolysable zirconium salt and the oxide or hydrous oxide is coated on the particles by adjusting the pH of the dispersion.
Patent CA-2046721-A1 (CA)
Title: Controlling head seeking speed in disk storage units by limiting displacement of head with respect to its supporting headarm
Inventor: FENNEMA ALAN A
IPC: G11B21/08
Filed: 1991-07-10
Abstract: CONTROLLING HEAD SEEKING SPEED IN DISK STORAGE UNITS   BY LIMITING DISPLECEMENT  OF HEAD WITH RESPECT TO            ITS SUPPORTING HEADARM                  ABSTRACT OF THE DISCLOSURE            In a "piggy-back" head support system, a fine actuator which carries the head (lens or transducer) is controlled to move the head.  A coarse actuator or headarm movably supports the fine  actuator  and  is  mounted  on  a  frame  for  movement radially of the signal storage disk.  The head scans tracks on the disk.  A servo actuates the coarse actuator to follow the movements of the fine actuator.   In a seek,  the fine coarse actuator may not be able to follow the fine actuator resulting in the fine actuator hitting a safety stop.  When this  happens,   seek  errors  occur.    According  to  the invention,  the relative displacement of the fine actuator with  respect  to  the  coarse  actuator  is  limited  during predetermined portions of a seek operation, i.e., the high speed accelerate and decelerate portions.
Patent CA-2047968-A1 (CA)
Title: New surfactant compositions, method for their preparation, and pesticidal compositions containing same
Inventor: BERGER PAUL D
IPC: C09K23/00
Filed: 1991-07-26
Abstract: New surfactant compositions comprising a polyoxyalkylene alkylamine containing at least about 7 moles of an oxyalkylene group and having reduced eye irritancy. The surfactant compositions can contain eye irritant reducing compounds, such as sulfated polyoxyalkylene alkylphenol, alcohol sulfates; polyoxyalkylene alcohol sulfates mono- and dialcohol sulfates; mono- and di-(polyoxyalkylene alcohol) phosphates; mono- and di-(polyoxyalkylene alkylphenol) phosphates polyoxyalkylene alkylphenol carboxylates and polyoxyalkylene carboxylates, said eye irritant reducing compounds containing up to about 60 moles of an alkylene oxide group and its alkyl and alcohol groups having from about 8 to about 20 carbon atoms. The new surfactant compositions can be used to prepare pesticidal compositions, particularly herbicidal compositions containing glyphosate.
Patent CA-2050495-A1 (CA)
Title: Discontinuous process for conducting a heterogeneously catalysed reaction and installation for heterogeneously catalysed manufacture of products
Inventor: GUTSCHE BERNHARD
IPC: B01J14/00
Filed: 1990-03-12
Abstract: A b s t r a c t A discontinuous process for conducting a heterogeneously catalyzed reaction and a plant for the heterogeneously catalyzed production of products The  invention relates  firstly  to  a  discontinuous process for conducting a heterogeneously catalyzed reaction taking place at elevated temperature, in which heat-sensi-tive products are formed, a heat transfer unit (4) dif-ferent from the reactor (1) being used for heating and a fixed-bed catalyst (3) being used as the catalyst and the reaction mixture being continuously circulated in succes-sion through the catalyst (3) and then through the heat transfer unit  (4).   The problem to be solved in this process is to avoid losses of catalyst and product and to shorten the batch time and, optionally, the reaction time in accordance with German patent applications P 38 13 612.0 and P 38 26 320.3.    The invention also relates to a plant for the dis-continuous heterogeneously catalyzed production of heat-sensitive products at elevated temperature comprising a reactor  (1), characterized by a heat transfer unit  (4) arranged outside and connected to the  reactor  (1),  a catalyst container  (3)  containing a  fixed-bed catalyst preceding the heat transfer unit and a pump (2) for con-tinuously circulating the reaction mixture in succession through the catalyst (3) and then through the heat transfer unit (4).     Figure 2 is for publication
Patent CA-2050827-A1 (CA)
Inventor: JOHNSON ROGER W
IPC: C08L33/02
Filed: 1991-09-06
Abstract: 42234 CAN lA      VIBRATION DAMPER HAVING EXTENDED TEMPERATURE RANGE     Abstract of the Disclosure Constrained layer damping structures are often based on viscoelastic layers of iso-octyl acrylate:acrylic acid or analogous copolymers.  As the acrylic acid content is increased, the peak damping temperature also increases; unfortunately, however, the copolymer becomes more brittle and susceptible to shock, especially at low temperatures. Incorporating small amounts of rubbery polymer particles (especially core-shell polymers) in the viscoelastic copolymer alleviates this problem.
Patent CA-2054204-A1 (CA)
Title: Multiple target electronic dart game
Inventor: MARTIN JOHN
IPC: F41J5/14
Filed: 1991-03-20
Abstract: A multiple target electronic dart game having shared microprocessor means (50) that monitors and services operation of the electronic dart game. The multiple targets (30) are mounted on opposite sides of a column (10) which may be floor-standing or wall mountable. Affixed to the top of the column is visual display means (40) for providing players and observers with game scores and the like. The visual display means is optionally capable of split-screen presentation. The novel design of the multiple target electronic dart game enables players to play dart games not previously available with single target dart games. Moreover, many components utilized by the controls are shared, thus enabling cost savings by eliminating substantial duplication of components.
Patent CA-2055815-A1 (CA)
Title: Coded playing cards and apparatus for dealing a set of cards
Inventor: SOULES JACK A
IPC: A63F1/14
Filed: 1991-11-19
Abstract: CODED PLAYING CARDS AND APPARATUS FOR DEALING  A SET OF CARDS                       ABSTRACT OF THE DISCLOSURE A deck of cards is coded by marking each card on its face with a bar code which is essentially invisible to the human eye, but can be read by a detector matched to the source of wavelength of the light used to irradiate each card as it is passed over the surface of a portable housing which houses the detector and the associated reading means. Appropriate hardware is also housed in the housing to process the coded information read. The software provided stores a number of predetermined "hands" which are to be dealt. It can also deal a random deal, more random than can be dealt by human shuffling of the deck. A method is provided to deal a preselected "deal" to a chosen number of players, typically four, the apparatus indicating to the human dealer to which location each card is to be dealt.
Patent CA-2056642-A1 (CA)
IPC: H01S3/083
Filed: 1991-11-29
Abstract: GAIN STABILIZED FIBER AMPLIFIER Abstract In this invention an optical fiber doped with a rare earth element and coupled to be pumped with a laser is coupled to an optical feedback loop. The feedback loop couples the output signal of the fiber amplifier to the input of the fiber amplifier. A narrow bandwidth filter coupled to the feedback loop allows a selected wavelength of the amplified spontaneous emission to pass from the output of the fiber amplifier to the input of the fiber amplifier. The feedback signal has a wavelength which is different from that of the pump signal and the wavelengths of the signals to be amplified. In operation, when bursts of optical signals from at least two discrete word or frequency division multiplexed channels are amplified in the fiber amplifier, the undesired fluctuations of gain of the output signals normally due to transient saturation of the erbium-doped filter amplifier are substantially eliminated.
Patent CA-2056884-A1 (CA)
Inventor: MCCONNELL PETER R H
IPC: H03M13/29
Filed: 1991-12-03
Abstract: A means and method for significantly increasing the coding gain of a system used for data communications while still maintaining a high code rate (net data rate/gross data rate) and throughput by using a concatenated coding arrangement wherein error correction capabilities are optimized, having means for encoding data to be transmitted with a first code type to form an outer code which is capable of correcting burst errors and further detecting if the remaining data is error free, and means for encoding the data and the outer code with a second code type to form an inner code which is capable of correcting random errors and detecting multiple bit errors.
Patent CA-2058864-A1 (CA)
Title: Air-oil flooded screw compressor system
Inventor: WELLS LYLE G
IPC: B01D53/02
Filed: 1992-01-07
Abstract: Air and oil from an oil flooded screw compressor is directed through an air-oil separator. The air is cooled to extract moisture therefrom. Then the cooled air is fed to a drying fewer and from the tower the air, together with hot oil from the air-oil separator, is fed to a heat exchanger which heats the air to a desired temperature for use and cools the oil to a desired temperature for re-use by the vompressor, The regenerating portion of the tower communi-cafes with the outlet of the heat exchanger for supplying dry heated air as purge air for efficient regeneration.
Patent CA-2059262-A1 (CA)
Title: Dust digger
Inventor: MODRALL RYAN R
IPC: A47L9/28
Filed: 1992-01-13
Abstract: ABSTRACT           A vacuum cleaner is known to pick up sand, dust and debris through a process of air movements lifting up dirt.         There is currently no know way to be sure that an area of rug is clean, contains dust and dirt or even if the vacuum is picking anything up.         In this invention, an audio sensor crystal is used to collect the energy waves of dirt particles that are rebounding from points within the vacuum system where the flow of air changes direction.  The inertia of the moving dirt causes it to impact on a wall of a bend.  These impacts release small energy waves that can be picked up by a sensor crystal placed at this bend and directed into supporting electronic circuitry that in the presence of these small energy waves activates a red light emitting diode (LED).  Inversely, when the energy waves are not present the circuitry defaults to a green LED.  In this manner the user need see only that the red light is on to know that dirt is activating the sensor and therefore the area is not yet clean. The user can then choose to continue vacuuming in the area until the green and red lights begin blinking.  This blinking shows that only trace amounts of dirt are activating the lights and the area is cleaned to the best of that vacuum's ability.                 FROM:   Ryan Russell Modrall 3079 Paris Street Penticton, B.C. Canada (604)   493-7431
Patent CA-2062396-A1 (CA)
Inventor: DIETRICH KLAUS
IPC: G07B17/00
Filed: 1992-03-06
Abstract: A device for processing mail and charging required postage includes a standardized mail depositing device having a transport catch.  A charging unit is connected to the mail depositing device for charging postage after mail has been inserted in the mail depositing device and for unlocking the transport catch.  Secured storage containers receive mail from the mail depositing device.  A method for processing mail and charging required postage includes inserting mail into a standardized mail depositing device having a transport catch.       Postage is charged after the mail has been inserted in the mail depositing device and then the transport catch is unlocked, with a charging unit connected to the mail depositing device.  The mail is fed into secured storage containers from the mail depositing device.
Patent CA-2064583-A1 (CA)
Inventor: HILL KARLHEINZ
IPC: C09K23/56
Filed: 1990-07-26
Abstract: Powdered preparations of surface active alkylglycosides containing 5 - 65 wt.% of a surface active alkylglycoside and 35 - 95 wt.%  of an inert inorganic carrier are obtained by mixing the raw product produced in the industrial manufacture of the alkylglycosides with water and an inorganic particulate carrier, e.g. silicic acid, chalk or sodium chloride, and drying the mixture. Preferred powdered preparations contain 20 - 50 wt.% of the alkylglycoside and 50 - 80 wt.% of an inert inorganic carrier.
Patent CA-2065663-A1 (CA)
Title: Suction valve for high pressure slurry pump
Inventor: WINN FRED M JR
IPC: F04B53/10
Filed: 1992-04-09
Abstract: PATENT     ABSTRACT     Where on the valve seating surfaces due to the high pressure pumping of abrasive slurry through an in-line valve is greatly reduced by providing first and second valve seating surfaces which are engaged, respectively by first metal and first elastomeric closure surfaces and second metal and elastomeric closure surfaces located on an annular valve closure means.  Pumping efficiency is maintained by providing for high velocity sweep in an annular space between the annular valve closure means and the cylinder in which it rides.
Patent CA-2068781-A1 (CA)
Title: Fluid composition for compression refrigeration
Inventor: WILSON ARTHUR C
IPC: C10M171/00
Filed: 1992-05-15
Abstract: ABSTRACT     FLUID COMPOSITION FOR COMPRESSION REFRIGERATION      This invention provides fluid compositions for use in compression refrigeration comprising mixtures of (a)  at least one fluorohydrocarbon and (b)  at least one carboxylic ester of a polyhydroxy compound, having the general formula C(CH2.O.CO.R)n(R')4-n         (I) wherein n is 3 or 4, R' represents a methyl or ethyl group and each R independently represents a C3-8 alkyl group containing 3 to 5 chain atoms.
Patent CA-2070136-A1 (CA)
Title: Surgical eye mask
Inventor: HUDSON DAVID M
IPC: A61F9/02
Filed: 1992-06-01
Abstract: ABSTRACT OF THE DISCLOSURE             Disclosed herein is an eye mask with a sort, comfortable frame assembly which makes it particularly well-suited for use in surgical, dental and healthcare related applications.  In a preferred embodiment the eye mask has separated lenses attached to an elastic nonwoven frame to provide an adjustable fit for a wide variety of facial contours and eye spacings. The lenses may be provided with anti-glare and anti-fog treatments to maintain visual clarity during use.  The frame may be breathable and treated to have specific areas of hydrophilicity and hydrophobicity so as to absorb perspiration and resist penetration of fluids splashed or sprayed onto the face during surgical procedures.
Patent CA-2070522-A1 (CA)
Title: Layup of composite fan blades/vanes
Inventor: SCHILLING JAN C
IPC: B32B5/02
Filed: 1992-06-04
Abstract: Abstract of the Invention The present invention provides composite  blade tip configurations for preventing delamination at the tip of a composite rotor blade. The invention comprises a plurality of first thin successive layers of a first composite material wherein the first thin layers are stacked in a predetermined configuration such that the weakest shear plane is positioned towards the blade surface. The invention further comprises joining material for joining the first thin layers to each other. The invention further comprises a plurality of second thin successive layers of a second composite material having a different modulus of elasticity than that of the first thin layers wherein the second layers are stacked on the first layers such that the edge of the blade tip is even. The inventor further includes joining material also being used for joining the second thin layers to each other and to the first thin layers. The invention further comprises a cloth fiber protective covering completely enclosing the first and second thin layers.
Patent CA-2070646-A1 (CA)
Inventor: IDE RUSSELL D
IPC: F16C13/02
Filed: 1991-09-30
Abstract: A lubricated roller assembly which can be constructed entirely of non-metallic components. The roller assembly includes a shaft (20) and roller body (23) secured to one another and enclosed by a housing (10). The roller body is adapted to roll against an inner peripheral surface of the housing. A supply of lubricant (30) sufficient to lubricate the roller body is contained within the housing. A lubricant containment reservoir (7) is formed in either the housing or the shaft such that regardless of the orientation of the roller assembly, lubricant will not reach the interface between the shaft and the housing. The roller body may be provided with a drip edge (103S) to further direct lubricant away from the interface between the housing and the shaft.
Patent CA-2071807-A1 (CA)
Title: Shipping label
Inventor: KOURAMANIS LYN J
IPC: B42D15/00
Filed: 1992-06-22
Abstract: ABSTRACT             A shipping label to be affixed to a package to be delivered payment on delivery by a courier service or the like includes a plurality of stacked panels. Marginal strips are defined at the ends of some of the panels by lines of perforations. The marginal strips of each panel are attached to the marginal strips of the panel below it by a series of fingers punched through theends of the shipping label. The rear face of the shipping label's back panel is covered with an adhesive to allow it to be secured to the package to be delivered. The front face of the shipping label's top panel provides package delivery information together with other client information and the cost of the package being delivered. Between the top and bottom panels is a return envelope constituted by a pair of panels joined together along three of their sides. One side of the envelope is open to receive a cheque or other suitable monetary payment in the amount shown on the front face of the top panel. One of the panels of the envelope has a flap which can be folded to seal the open end of the envelope. Adhesive on the flap adheres to the other panel of the envelope and maintains the envelope in a closed condition once payment for the package has been received and placed in the envelope. One of the panels of the envelope includes an area to receive return address information of the person to whom the payment is to be delivered together with invoice information concerning the original package delivered by the courier. The envelope is removable from the shipping label and is treated by the courier as a new package to be delivered.
Patent CA-2072706-A1 (CA)
Title: Wood type golf clubs
IPC: A63B53/04
Filed: 1992-06-29
Abstract: A wood type golf club includes a head (42) attached to one end of a shaft (56).  The head has a total head weight which is used in calculating a swingweight  for the  golf club.   A face portion (46b) on a body (44) in the club head (42) is  arranged for impacting a golf ball, and a sole plate (46) is attached to a  bottom  portion (44a) of the club head (42).   In  order  to resist twisting movements of the club head (42) when  impacting a golf ball at off-center points (43a, 43b) located on the body face portion (44b),  the sole plate (46) has a majority of  its weight concentrated around its perimeter (46a, 46b,  46c, 46d) by providing a cavity (60) in an interior surface of the   sole plate (46). The body (44) and the sole plate (46) each have  an individual  weight  which is less than the total  head  weight.          The sole plate (46) is selected from a plurality of sole plates formed of identical material but having different weights.  The weight of the selected sole plate (46) is the total head weight minus  the weight of the body (44) thereby eliminating the  use of additional weighted inserts (39, 41) in the body (44).
Patent CA-2072915-A1 (CA)
Title: Vitamin d compound, method of preparing this compound and intermediate therefor
Inventor: VALLES MARIA J
IPC: A61P3/02
Filed: 1992-07-02
Abstract: The invention relates to a new vitamin D compound, substituted in the 18-position with an alkyl group, a hydroxy group, an alkoxy group, an alkenyl group, an alkynyl group, a fluorinated alkyl group or a fluorinated alkenyl group.      The invention also relates to a method of preparing said vitamin D compound and to a lactone and a hydrindane intermediate.      The vitamin D compound is of the general formula <see formula I>
Patent CA-2073360-A1 (CA)
Title: Optical active isoindolinone derivatives, their production and use
Inventor: GOTO GIICHI
IPC: C07D519/00
Filed: 1992-07-08
Abstract: ABSTRACT OF THE DISCLOSURE The present invention provides an optically active isoindoline derivative represented by the formula:       [wherein X represents -OH, a reactive derivative thereof,        or        , which is useful as an improving, therapeutic and preventive agent for anxiety-associated nervous symptoms, and an intermediate for synthesis thereof.
Patent CA-2074267-A1 (CA)
Title: High density yeast preparation, a method for producing the same, and the use thereof
Inventor: SUORANTA KARI
IPC: C12N1/18
Filed: 1991-02-15
Abstract: A novel high-density liquid or past yeast preparation, which comprises approximately 1-20% (w/w) of a poly-hydroxy compound selected from a group comprising propylene glycol, glycerol, non-fermentable mono- or oligosaccharides or sugar alcohols, soluble oligo- or polymeric carbohydrates and polyethylene glycol, or mixtures thereof, and fresh yeast. The high-density yeast preparation has a density of more than 800 g yeast (27-29% dry matter) per 1 liter of the preparation, and the concentration of the polyhydroxy compound in the extracellular liquid is 5-50% (w/v). The preparation has an improved capability of regaining its activeness, it dissolves instantly and is easily batched, uniformly suspendable and tolerant of repeated freezing and thaw-ing. The liquid high-density yeast preparation has a viscosity of less than 200 centiPoise (cP) at 20ÀC. Methods for producing the high-density yeast preparation as well as its use for the preparation of improved quality baker's, brewer's, distiller's and wine yeast are disclosed.
Patent CA-2078960-A1 (CA)
Title: Hydrogel applicator and methods of making same
Inventor: WICK JOHN
IPC: A61M37/00
Filed: 1992-09-23
Abstract: ABSTRACT OF THE DISCLOSURE Hydrogel applicators are disclosed including a release liner with periodic  indentations  filled with hydrogel, and a carrier layer for carrying the hydrogel onto the skin, with the carrier layer secured to the hydrogel, so that when the release layer is removed from the carrier layer,  the hydrogel  is removed  from the indentation in the release liner and can be applied to the skin along with the carrier layer.   In a preferred embodiment, the carrier layer is a thin film, and is in turn carried by a temporary backing sheet which assists in carrying the film and the hydrogel to the skin, and is then removed therefrom.