baber/WOPTO huggingface dataset:
Patent CA-2060643-C (CA)
Title: Procede de separation d'ethyl tertiobutyl ether et d'ethanol
Inventor: PUCCI ANNICK
IPC: C07C41/42
Filed: 1992-01-30
Granted: 2003-10-14
Abstract: On décrit un procédé de séparation de l'éthyl tertiobutyl éther à parti r de mélanges qu'il forme avec i'éthanol. Ce procédé comprend deux étapes de distillation, la première étant effectuée à une pression p1 supérieure ou égale à 1 bar, la seconde à une pression p2 inférieure à p1 d'une valeur .DELTA.p de 0,5 à 12 bars, p2 étant alors de 0,5 à 10 bars. Le distillat de deuxième colonne est en partie renvoyé comme reflux en tête de deuxième colonne et en partie recyclé vers la tête de première colonne. L'ETBE purifié est recueilli en fond de première colonne et l'éthanol purifié, en fond de deuxième colonne. Ce procédé de séparation peut être intégré à une unité de production d'ETBE comprenant l'éthérification par l'éthanol d'une coupe C4 de vapocraquage ou de craquage catalytique. l'éthanol séparé est alors recyclé vers la zone d'éthérification.
Patent CA-2069159-C (CA)
Title: Potted plant support
Inventor: SELLERS KATHLEEN R
IPC: A47G7/04
Filed: 1992-05-21
Granted: 2004-05-11
Abstract: A rigid planar support for an individual potted plant which preserves carpet pile preventing matting, permanent carpet crush and stains. The plant pot support is comprised of a molded plastic disk having a plurality of strategically shaped, sized and located support legs which are semi-circular cavities vertically and arcuate shaped horizontally to provide maximum possible weight distribution and weight support for a heavy potted plant while distributing the weight on the support legs to minimize the pressure on the carpet pile and jute backing of carpet. The plastic material is waterproof to prevent moisture from passing through the disk to the carpet from the plant pot.
Patent CA-2070286-C (CA)
Title: Non oxidative ophthalmic compositions and methods for preserving and using same
Inventor: WONG MICHELLE P
IPC: A61L12/14
Filed: 1990-12-18
Granted: 2000-08-29
Abstract: Ophthalmic compositions, such as those used to care for contact lenses, methods of preserving such compositions, and methods for disinfecting contact lenses using such compositions are disclosed. The compositions may comprise an ophthalmically acceptable, liquid aqueous medium and, included therein, an effective preserving or disinfecting amount of certain oxygen-containing ionene polymers.
Patent CA-2071614-C (CA)
Inventor: SIVACOE ORLANDE
IPC: F27D25/00
Filed: 1992-06-18
Granted: 1995-10-03
Abstract: A plug for a furnace header having a pair of pipe continuations formed within the furnace header Each pipe continuation terminates at an opening having a conical interior surface and is connected to the other by a pipe extending between them. The plug has a conical portion for engaging the conical interior surface on the furnace header to seal off the pipe. The plug also includes a portion having a generally concave arcuate surface forming a 90° bend in a plane that bisects both of the pipe continuations and whose edges  conform  to  the  internal  dimensions  of  the furnace  header  adjacent  the  opening. A  locking mechanism secures the plug within the furnace header.
Patent CA-2074153-C (CA)
Title: Seroreactive regions on hpv 16 proteins e1 and e2
Inventor: MULLER MARTIN
IPC: G01N33/577
Filed: 1992-07-17
Granted: 2003-10-07
Abstract: The invention relates to seroreactive regions on proteins E1 and E2 of human papillomavirus (HPV) 16. The application also relates to a vaccine which contains such peptides which contain the seroreactive regions. The invention likewise embraces compositions for diagnostic purposes which contain peptides with the seroreactive regions.
Patent CA-2079069-C (CA)
Title: Cordless telephone arranged for operation in a frequency hopping system
Inventor: LELAND KENNETH W
IPC: H04W52/02
Filed: 1992-09-24
Granted: 1998-05-05
Abstract: A cordless telephone arranged for operation in a frequency hopping system conserves battery power in a handset unit when this unit is located remote from an associated base unit and in a standby state. While in this standby state, the handset unit resides in a low power monitoring mode and monitors a channel pseudo-randomly selected from a plurality of available channels in the frequencyhopping band for receipt of an initialization signal from the associated base unit. The base unit similarly monitors this selected one of the channels for receipt of this initialization signal from the handset unit. Should ongoing communications between the base unit and the handset unit be inadvertently interrupted, the cordless telephone quickly re-establishes communications in the frequency hopping system through aninitialization process executed by both the handset unit and the base unit.
Patent CA-2087629-C (CA)
Title: Pressure transducer with quartz crystal of singly rotated cut for increased pressure and temperature operating range
Inventor: TOTTY CHARLES D
IPC: G01L21/22
Filed: 1993-01-20
Granted: 2004-01-06
Abstract: A pressure transducer comprises a quartz crystal having an orientation within a range of angles between about -25° and about -45° relative to the Z axis of X, Y and Z crystallographic axes. Such a pressure transducer provides a useful pressure response at pressures and temperatures above those of the operating ranges of pressure transducers using AT-cut or BT-cut quartz crystals.
Patent CA-2089632-C (CA)
Inventor: BLUTHGEN BJORN
IPC: G11B27/28
Filed: 1993-02-16
Granted: 2005-07-26
Abstract: The application relates to an information transfer system, comprising a receiver (3) and a transmitter (1) for transferring an information signal to the receiver (3) via a transfer medium (2). The information signal comprises main data and sub data. The sub data comprises coded text lines having a plurality of character codes. The receiver is provided with a character display unit (10) for displaying characters corresponding with the character codes in the coded text lines. The number of character display positions is less than the number of character codes in the coded text line. The receiver is provided with display control means (9) for controlling the display of characters corresponding to the character codes included in the coded text line in dependence on serial control codes included in the coded text line. The system enables that significant parts of the text information available in the sub data can be shown on both a full multi-line display units for displaying full text lines and a 1- line display with a relative small number of digits. The invention is very suitable for systems with small sized receivers, such as e.g. portable players and car radios, and receivers wit a display on its remote controller, because there is not much space available for a display unit.
Patent CA-2090468-C (CA)
Title: Silver recovery process
Inventor: MCGUCKIN HUGH GERALD
IPC: C22B3/46
Filed: 1992-06-25
Granted: 1996-08-06
Abstract: A process for treating a photographic developer solution containing silver ion comprises contacting the solution with a sil-ver recovery element (10), which comprises a substrate (12) having thereon a hydrophilic colloid layer (16) containing physical de-velopment nuclei.  The contacting is carried out for a time sufficient to reduce the silver concentration in the developer solution to a desired level. The process is useful for treating a seasoned or unseasoned photographic developer solution containing silver ions.
Patent CA-2090958-C (CA)
Title: Storage container
Inventor: KAWAI TSUTOMU
IPC: B65D85/00
Filed: 1993-03-03
Granted: 1998-09-08
Abstract: A storage container for housing and storing an ink jet cartridge which has a recording head to discharge ink, and an ink tank to contain ink to be supplied to the recording head and which is structured to be exchangeable with respect to a recording apparatus comprises a capping member to be in contact with the ink discharge port surface of the recording head to cover the surface thereof and absorbing members conductively connected to the capping member to absorb ink which leaks from said recording head.  With the capping member and absorbing member, an airtightness higher than that of the discharge ports is secured to suppress the ink evaporation from the discharge ports of the recording head while the cartridge which is still in use is kept in the storage container.
Patent CA-2096892-C (CA)
Inventor: SZANYA TIBOR
IPC: C07K7/64
Filed: 1993-05-25
Granted: 1998-08-18
Abstract: A process is disclosed for the solution chromatographic purification of cyclosporin A from a starling mixture containing one or more of cyclosporin A, B, C, other cyclosporin components that are more polar or more apolar than cyclosporin A, and other like  contaminants,  by  heating  the  starting  mixture  or  an evaporation residue thereof to a temperature from about 80°C to about 115°C, melting the heated starting mixture, and carrying out solution chromatography of the melted material,  suitably first in a 48 : 50 : 2 mixture of chloroform, methylene chloride, and ethanol, and then in a mixture of like proportions, of the solvents chloroform, ethyl acetate, and ethanol.
Patent CA-2099014-C (CA)
Title: Elbow fitting part
Inventor: GLABISZEWSKI RICHARD
IPC: A61F2/80
Filed: 1992-10-26
Granted: 1998-10-27
Abstract: An elbow fitting part for upper arm stumps includes an elbow ball connected by a hinged axle to the lower arm, configured as a hollow synthetic part, and is detainable by a latch-locking device in various bending positions, while the proximal connection to the upper arm shaft is created by a cast-in ring and an upper arm rotating joint is provided for the adjustable rotation of the lower arm.  In order to make this elbow fitting part usable for all upper arm stump lengths, the upper arm rotating joint is configured as an annular bearing and the latch-locking device is a traction lock which is disposed outside the elbow ball and is integrated into a rotating connection forming a section of the hinged axle.
Patent CA-2101538-C (CA)
Inventor: HAYES MARILYN J
IPC: A61Q9/02
Filed: 1992-03-09
Granted: 1998-02-10
Abstract: Une crème à raser en aérosol à moussage instantané amélioré est offerte. Elle comprend, en pourcentage par rapport au poids total de la composition, (a) environ 70-90 % d'eau, (b) environ 10-20 % d'un constituant savonneux comprenant environ 8-12 % d'un savon d'acide gras d'alcanolamine en C14-C18 et environ 2-4 % d'un surfactant non ionique ayant un rapport hydro-lipophile d'au moins environ 15, (c) environ 1-5 % d'un agent propulseur ayant une tension de vapeur d'environ 30-60 Psig à 70 degrés F, (d) environ 0,1-5 % d'un ou de plusieurs émollients, et (e) environ 0,3-4 % d'un stabilisant de mousse comprenant environ 0,2-2 % d'un alcool gras, environ 0,1-3 % d'un alcanolamide gras et environ 0,01-0,6 % d'un diester de polyéthylèneglycol et d'acide gras ayant un poids moléculaire d'au moins environ 1 000. Les compositions sont des émulsions huile dans eau et allient les avantages des gels à raser à moussage différé à l'utilité des mousses instantanées.
Patent CA-2102299-C (CA)
Inventor: HEAGLE DAVID G
IPC: B01D37/00
Filed: 1992-07-16
Granted: 1996-04-02
Abstract: A filter material and method for filtering leucocytes from a fraction of or whole human blood, comprises using a shape-sustaining laid textile web having a thickness of between about 2 millimeters to about 12 millimeters and a bulk density of about 0.05 to 0.4 g/cm3. The web has a plurality of interlocked, staple, textile fibers (5) with average deniers between about 0.05 and 0.75 and average lengths between about 3 millimeters and 15 millimeters. The textile fibers (5) are substantially un-iformly distributed in the web so as to form a matrix of the textile fibers (5) with spaces (7) between adjacent interstices (6) of interlocked fibers (5). A plurality of fibrillated particles (10) of a polymeric material, e.g. a textile fiber material, having a surface area of between 5 and 60 square meters per gram are substantially disposed within the spaces (7) of the matrix.
Patent CA-2112860-C (CA)
Title: Integrated circuit package and assembly thereof for thermal and emi management
Inventor: MARCANTONIO GABRIEL
IPC: H01L23/12
Filed: 1994-01-05
Granted: 1999-11-16
Abstract: A package is provided for an integrated circuit comprising a combined heat dissipating and electromagnetic shielding structure. Conveniently, the heat dissipation and shielding structure is a laminated composite structure including layers of several materials having complementary characteristics to provide high magnetic permeability, electrical conductivity, and thermal conductivity. For example, a sandwich structure of layers of copper/Kovar TM/ copper is effective in dissipating heat and reducing electromagnetic emission from ASICs for telecommunications applications; each dissipating in excess of 2 Watts.      Preferably a substrate of the package includes a conductive die attach pad which may be grounded to bring a ground plane close to the integrated circuit. The composite electromagnetic shielding and heat dissipation structure is grounded to improve attenuation of radiated electromagnetic emission from the chip. The electromagnetic shielding and heat dissipation structure is applicable for packages for individual IC chips and for multi-chip modules.
Patent CA-2115048-C (CA)
Inventor: BEARDEN ROBY JR
IPC: B01J27/051
Filed: 1991-08-09
Granted: 2001-09-18
Abstract: A process for converting a heavy hydrocar-bonaceous chargestock to lower boiling products which process comprises reacting the chargestock with a catalyst concentrate in the presence of hy-drogen, at hydroconversion conditions, said ca-talyst concentrate having been prepared by the steps comprising: (a) farming a precursor catal-yst concentrate by mixing together: (i) a hydro-carbonaceous oil comprising constituents boiling above about 570 °C(ii) a metal compound; said metal being selected from the group consisting of Groups II, III, IV, V, VIIB, VIIB and VIII of the Periodic Table of the Elements, in an amount to provide from about 0.2 to 2 wt. % metal, based on said hydrocarbonaceous oil; and (b) heating the precursor concentrate to an effective temperature to produce a catalyst concentrate, wherein ele-mental sulfur is used as the sulfiding agent in an amount such that the atomic ratio of sulfur to metal is from about 1/1 to 8/1.
Patent CA-2120731-C (CA)
Inventor: WALLNER BARBARA P
IPC: A61K39/395
Filed: 1992-10-06
Granted: 2008-08-19
Abstract: Methods of improving tolerance of transplanted xenograft tissue or allograft tissue in mammals, including humans, by the administration of LFA-3 or CD2 binding proteins.
Patent CA-2122022-C (CA)
Inventor: ALHAMAD SHAIKH GHALEB MOHAMMAD
IPC: C07D417/06
Filed: 1992-10-23
Granted: 2004-06-22
Abstract: A highly efficient anti-explosion pad (6, 7) comprising multiple sheets of expanded metal net (10) separated by a core layer of porous material such as fiberglass, cotton batting or an assembly of miniature balls (22, 23, 24) formed from expanded metal net. Whe n covering a wall or other structural element, the stratiform pad effectively dissipates the shock waves and thermal effects of a close range bomb explosion.
Patent CA-2127053-C (CA)
Title: Method and apparatus for time-sharing cpu system bus in image generation system
Inventor: FURUHASHI MAKOTO
IPC: G06F15/16
Filed: 1994-06-29
Granted: 2005-01-04
Abstract: Methods and apparatus for generating image data are provided. A memory and a data processor are coupled with a system bus. In certain embodiments a data expanding apparatus is also coupled to the system bus and compressed data are transferred to the data expanding apparatus via the system bus and decompressed data are transferred therefrom to the memory without passing the compressed data through the data processor.      Also in certain embodiments, an image data generation command string is transferred from the memory to an image data generation device via the system bus without passing the image data generation command string through the data processor.
Patent CA-2129086-C (CA)
Inventor: PECORARO GEORGE ANTHONY
IPC: C03B18/00
Filed: 1994-07-28
Granted: 1998-11-03
Abstract: Material selected from the group consisting essentially of molybdenum, arsenic, antimony, bismuth, copper, silver, potassium dichromate and iron chromite, is added during the manufacture of soda-lime-silica float glass to reduce the occurrences of nickel sulfide stone defects. Material is added in sufficient amounts such that the resulting glass is at least 0.010 wt. % of the selected material.  In a preferred embodiment of the invention, molybdenum is added in the form of sodium molybdate such that the resulting glass is at least 0.015 wt. % molybdenum.
Patent CA-2159467-C (CA)
Inventor: NEUMANN ERIK R
IPC: G06F9/44
Filed: 1994-03-31
Granted: 2002-07-30
Abstract: A physical presentation of an objet(ll2, 132, 134, 122) is changed in a system with an object oriented environment (200, 240). The system includes a display (300) for present-ing physical manifestations of ob-jects (374, 378, 330). The system (200, 240) has a first target object (374, 378, 330) containing a first presentation method (222) having a universal interface protocol (264). The first presentation method (222)                               presents a first physical manifestation on the display. This universal proto-col (264) allows the first presentation method to be accessible by other ob-jects capable of communicating us-ing the universal protocol (264, 262). The system (200, 240) also contains a costume object (262) which enables communication with the first target object (272, 274, 266, 268) - e.g., the costume causes the target object to display itself at the costume object's position of the screen (382, 384), in effect displaying the costume object (262) wearing the costume of the tar-get object (272, 274). If the user de-sires that the costume object (262) presents another physical manifesta-tion, the user associates it with another target object (272, 274), which the costume object (262) may also cause to present this other physical manifestation (382, 384, 286) on the display (300).
Patent CA-2160526-C (CA)
Inventor: AKENO MITSURU
IPC: A44B18/00
Filed: 1995-10-13
Granted: 1999-01-12
Abstract: In a molded surface fastener, a hook has vertical multi-step reinforcing ribs on opposite side surfaces of a stem, and it is therefore possible to make the hook-shape engaging portion adequately soft and to increase the rate of engagement with loops.  Further, since each reinforcing rib extends to the curve of the hook-shape engaging portion, it is possible to secure a predetermined degree of engaging force, despite the thin and soft hook-shape engaging portion, unlike the simple reinforcing ribs of the conventional art.
Patent CA-2161173-C (CA)
Title: Washerless block heater
Inventor: NGUYEN VINH L
IPC: F02N19/10
Filed: 1995-10-23
Granted: 1999-12-07
Abstract: A block header for an automotive engine has an externally threaded nipple portion and an outer end portion with a diameter greater than the nipple portion. First and second raised and spaced apart ribs are concentric with the nipple portion on the shoulder of the outer end portion. The ribs become compressed against the wall of an engine block when the block heater is installed, to form a damping seal therewith.
Patent CA-2162629-C (CA)
Inventor: BAERTS CHRISTIAAN EUGENE EDOUA
IPC: G01N1/12
Filed: 1995-11-10
Granted: 1998-03-31
Abstract: A sampling device for molten metals with a sample chamber arranged in a paperboard tube has an inflow canal leading through the paperboard tube, the canal being formed essentially of a heat-resistant inflow tube, such that the outer end of the inflow tube ends below (inside) the outer circumference of the sampling device and is closed off by a delayed-action device.   In order to create a sampling device in which the intrusion of contaminants into the sample chamber is prevented, especially slag particles, gas occlusion particles and particles of the paperboard tubes, the delayed-action device is constructed as a multi-layered cap, whereby between cap and paperboard tube an intermediate space is formed, which is filled with cement.
Patent CA-2163366-C (CA)
Title: Scie mecanique a fil pour decouper des corps en beton, des murs, des rochers ou similaires
Inventor: BIERI HANS JUN
IPC: B28D1/08
Filed: 1994-09-21
Granted: 2005-08-09
Abstract: Des poulies multiples reçoivent la réserve de fil d'une scie mécanique à fil (3). Le fil de sciage (1) est enroulé autour des rouleaux de déviation d'un porte-rouleau stationnaire et d'un porte-rouleau mobile (5, 6) montés sur un châssis (4). Le fil de sciage (1) est entraîné par deux moteurs hydrauliques. Un palan à chaîne (9) entraîné par un moteur (10) sert à déplacer le porte-rouleau (6) ajustable en hauteur. En enroulant le fil de sciage (1), on obtient différentes capacités de stockage du fil. L'invention permet de stocker la boucle libre de fil dans un espace particulièrement réduit.
Patent CA-2166661-C (CA)
Title: Carpet recycling process and system
Inventor: SFERRAZZA RANDALL A
IPC: A47G27/02
Filed: 1996-01-05
Granted: 1998-10-20
Abstract: Process and system for reclaiming polymeric fibers (e.g., nylon) from post-consumer carpeting includes shredding the post-consumer carpeting into strips, dismantling the carpet strips to form a mixture of the fibers to be reclaimed and the backing material to be discarded, and then separating a substantial portion of the fibers from the backing material. Preferably, the carpet strips are dismantled by impacting the strips of carpeting against an anvil structure with hammer elements using, e.g., a hammermill. A secondary reclamation system is provided whereby the separated backing material which may contain some fibers bound thereto is subjected to secondary dismantling and separation operations. The fractions obtained from the primary and secondary separation operations containing predominantly the polymeric fibers may thus be combined so as to form a process discharge stream which can be pelletized and/or baled as desired.
Patent CA-2170970-C (CA)
Inventor: PETERSON LONN M
IPC: F16H55/56
Filed: 1996-03-04
Granted: 2001-08-28
Abstract: A variable speed belt drive having adjustable mass and moment of inertia camweights is shown for use primarily in conjunction with snowmobile, golf cart, all terrain vehicle and small automobile engines. In one version, the camweight includes a series of perforations or score lines surrounding a cross section of the camweight arm. The perforations define a volume that may be snapped or cut off of the arm with a suitable tool. Also, a series of bores are formed through the arm. In order to increase the mass of the arm, a molten metal or similar flowable material may be poured into one or more of the bores and allowed to cure. In another version of the invention, a reduced cross section arm serves as a base onto which shims are added or reoriented in order to achieve the desired mass and moment of inertia characteristics.
Patent CA-2179579-C (CA)
Inventor: PERUZZOTTI FRANCO
IPC: C08L23/02
Filed: 1996-06-20
Granted: 2010-08-24
Abstract: A polymeric composition for coating electric cables for power transmission at medium/high voltage, having an improved resistance against the formation of the so-called water trees, comprises a polymeric polyolefin base including, in parts by weight to the total weight thereof, from 0.5 to 15 parts of ester groups and from 0.01 to 5 parts of epoxy groups. Electric cables according to the invention comprise at least one electrically conducting core (2) and an insulation coating (5) comprising the aforementioned polymeric composition.