baber/WOPTO huggingface dataset:
Patent CA-2130941-A1 (CA)
Title: Deinking wastepaper printed with water-based ink
Inventor: HOU MEAN-JENG
IPC: D21C5/02
Filed: 1994-08-26
Abstract: ABSTRACT    A process is disclosed for deinking pulp which has been made from paper printed with flexographic ink.  The process uses a surfactant component made from a fatty acid or a fatty acid blend and at least one alkoxylated diamine selected from Formula I:      Formula I where X, Y, W and Z may be alike or different and are each independently selected from the group consisting of (i)  -(CH2-CH(CH3)-O)a(CH2-CH2-O)b-;            (ii)  -(CH2-CH2)-O)o(CH2-CH(CH3)-O)d-; and (iii)  random copolymers of ethylene oxide and propylene oxide, wherein a, b, c and d are each selected independently to be a number between 1 and 30 so as to give an HLB value between 5 - 15.
Patent CA-2131583-A1 (CA)
Title: Process for the production of ethanol and isopropanol
Inventor: RAMACHANDRAN RAMAKRISHNAN
IPC: C07C31/10
Filed: 1994-09-07
Abstract: ABSTRACT OF THE DISCLOSURE     An ethene stream which contains ethane as an impurity or a propene stream which contains propane as an impurity is hydrated with water vapor in the presence of a hydration catalyst to produce ethanol or isopropanol, respectively. After removal of the alcohol the gaseous product stream is subjected to adsorption, thereby producing an ethene-enriched stream or a propene-enriched stream. The ethene-enriched stream or the propene-enriched stream is recycled to the hydration reactor.
Patent CA-2135009-A1 (CA)
Title: Reversible air deflector
Inventor: WYBRANIEC TED
IPC: F24F13/08
Filed: 1994-11-03
Abstract: A reversible air deflector made of impact resistant clear plastic for directing air from air diffuser away from curtains, drapes, walls, plants, furniture and occupants, and to increase heating/cooling efficiency. The reversible air deflector is placed on top of the air diffuser and attached by slipping the side wall flanges under the air diffuser top rim. Warm air is directed into room just above the floor. Second reversible air deflector is placed at the same air diffuser with a reversible air deflector on top of it but in reversed position on its pedestal, and attached to the same air diffuser by slipping the pedestal strip under the air diffuser top rim. Cool air is directed upwards and away from flowers, furniture and occupants. No magnet attachment allow application on steel, brass, plastic and wood air diffusers.
Patent CA-2136043-A1 (CA)
Title: Raw sewage disposal apparatus
Inventor: KISHI MITSUHIRO
IPC: B01D53/86
Filed: 1994-11-17
Abstract: ABSTRACT OF THE DISCLOSURE   A raw sewage disposal apparatus capable of easily stirring raw sewage and cleaning a container by rotating the container per se in case of introducing the raw sewage into the container and heating, evaporating and drying the raw sewage.  The raw sewage disposal apparatus comprises a container for accommodating raw sewage therein, an electromagnetic heater for heating the container, a rotary holder for rotatably holding the container, a driver for rotating the container, spherical stirrers accommodated in the container, and a nonrotatable baffle having one end fixed to the container and the other end extending to a position adjacent to the bottom of the container so as to contact the stirrers.
Patent CA-2136388-A1 (CA)
Title: Window screen apparatus
Inventor: DOTSON CYNTHIA
IPC: E06B9/52
Filed: 1994-11-22
Abstract: A window screen frame includes at least one corner key which has, as an integral component, a stop that prevents the screen frame from penetrating too deeply into tracks in a window jamb. The corner key is preferably molded plastic and includes two legs, each supporting a raised member. The legs meet at an angle to form the corner and the raised members form the stop. In a preferred embodiment, the raised members meet at the corner to form a corner-shaped stop. One or more of the corner keys may also include integral handles, for moving the frame along tracks in the window jamb. The corner keys may further include retreats for receiving locking pins. The locking pins extend through the window frame and into the retreats to retain the window screen frame in a desired position. A window screen frame including at least one of these corner keys also includes frame segments that mate with the corner key. These frame segments do not include stops, and are thus less complex to manufacture than frame segments which include segment-long stops as integral components.
Patent CA-2138415-A1 (CA)
Inventor: DE CLERCQ ERIK D A
IPC: C07D473/04
Filed: 1993-06-18
Abstract: It has been found that 1,5-anhydrohexitol nucleoside analogues, wherein a 4-substituted-2,3,4-trideoxy-1,5-anhydrohexitol is coupled via its 2-position to the heterocyclic ring of a pyrimidine or purine base, exhibit remarkable anti-viral properties against herpes viruses, pox viruses and related viruses. The new nucleoside analogues are represented by general formula (I) wherein B is a heterocyclic ring derived from a pyrimidine or purine base, X represents H, N3, F, Cl, Br, I, amino, -NHR2, -N(R2)2, -OR2, -SR2 or CN, R1 and R2 are the same or different and hydrogen, alkyl, acyl or phosphate groups are repre-sented, or wherein X is hydrogen and a double bond is situated between the 3- and 4- position of the 1,5-anhydrohexitol ring. Pharmaceutically acceptable salts and esters thereof are included.
Patent CA-2138479-A1 (CA)
Title: Composition de teinture d'oxydation des fibres keratiniques comprenant une paraphenylenediamine a fonction amine primaire, secondaire ou tertiaire, une metaphenylenediamine et un para-aminophenol ou un meta-aminophenol, et procede de teinture utilisant une telle composition
Inventor: AUDOUSSET MARIE-PASCALE
IPC: A45D19/06
Filed: 1994-12-19
Abstract: L'invention concerne une composition de teinture d'oxydation pour fibres kératiniques, en particulier pour fibres kératiniques humaines telles que les cheveux, du type comprenant, dans un milieu approprié pour la teinture, au moins un précurseur de colorant d'oxydation et au moins un coupleur, et caractérisée en ce qu'elle contient (i) au moins un premier précurseur de colorant d'oxydation de type paraphénylènediamine à fonction amine primaire, secondaire ou tertiaire, (ii) au moins un premier coupleur de type métaphénylènediamine, et (iii) soit au moins un deuxième précurseur de colorant d'oxydation de type para-aminophénol, soit au moins un deuxième coupleur de type méta-aminophénol, ou les sels de ces composés avec un acide. Elle concerne également l'utilisation de cette composition pour la teinture des fibres kératiniques, notamment des cheveux.
Patent CA-2139073-A1 (CA)
Inventor: DERY NORMAND
IPC: F02N11/10
Filed: 1994-12-23
Abstract: An automotive opto-electric starter interlock for use in a motor vehicle for the purpose of preventing the  engine  from  being  remotely  started  unless  the transmission  is  in  neutral.    The  starter  interlock includes  an  optical  sensors  array  mounted  to  the transmission shift linkage.  The output of the sensors is dependent upon the position of the shift linkage, hence allowing to determine if the transmission is in neutral.          A microprocessor excites the sensors and observes their response to determine the position of the shift linkage.          The information supplied by the sensors is also used to detect system malfunctions.
Patent CA-2139461-A1 (CA)
Title: Tread for truck tires
Inventor: HAGMAIER RODGER A
IPC: B29D30/56
Filed: 1995-01-03
Abstract: A precured tire tread made of an elastomeric material and suitable for mounting on a prepared steel belted radial truck tire casing is described.  The tread is preferably compression molded and has a ground-engaging surface with grooves and an inner tread of minimal thickness.  The precured tread has a tread width at a centerline, a center portion and two shoulder portions.  Each of the shoulder portions has a first radius curvature R1 and second radius of curvature R2.  The first radius of curvature has a center located along a line parallel to the centerline of the precured tread and displaced a distance D1 therefrom.  The first radius of curvature R1 is between 125% and 225% of the tread width.  The distance D1 is between 10% and 25% of the tread width. The second radius of curvature R2 has a center along a line parallel to the centerline of the precured tread and displaced a distance D2 therefrom.  The second radius of curvature R2 is between 5% and 25% of the tread width and the distance D2 is between 30% and 50% of the tread width.  The ground-engaging surface of the tread in the shoulder portions is displaced toward the tire's axis of rotation, thereby reducing scuffing of the tread in applications where tires are mounted on an vehicle axle which is subjected to excessive lateral forces.  Excessive lateral abrasive forces could occur in any truck with more than one rear drive or idler axle.  The forces are more severe, as the number of drive axles increase.
Patent CA-2139935-A1 (CA)
Title: Apparatus and method for spinning filaments
Inventor: SPALLER ALBERT E JR
IPC: D01D5/04
Filed: 1993-07-26
Abstract: Apparatus and method are disclosed for spinning filaments from a material such as cellulose acetate dope. The filaments are spun from a spinnerette at the top of a vertically elongated spinning cabinet. Gas is first directed parallel to the filaments as they are spun. A short distance down the cabinet, gas is directed radially inwardly toward the filaments. The two flows of gas merge and flow parallel to the filaments to the bottom of the cabinet, where the gas is withdrawn radially outwardly from the filaments.
Patent CA-2141112-A1 (CA)
Title: Olefin based frac fluid
Inventor: LOREE DWIGHT N
IPC: E21B43/22
Filed: 1995-01-25
Abstract: Linear olefin monomers, and particularly alpha-olefins, having a pour point greater than -102.degree., a flash point greater than 10.degree. and a boiling point greater than 121.degree. are proposed as frac fluids in treatment of oil and gas wells by fracturing. Linear olefin monomers are injected into the well, and fracturing pressures applied to the well to fracture the well. Linear olefin monomers may be mixed with a liquified drive fluid such as CO2, preferably with the CO2 forming a miscible bank ahead of the linear olefin monomers for use in driving the load fluid from the well.
Patent CA-2141378-A1 (CA)
Title: Fluorine-containing lead- and cadmium-free glazes
Inventor: ROSE PAUL L
IPC: C03C3/118
Filed: 1995-01-30
Abstract: This invention is directed to a glass frit composition essentially free from lead and cadmium exhibiting a linear coefficient of thermal expansion (25°C-300°C) between about 75-85 × 10-7 /°C, good flow at temperatures between about 950°- 1000°C, a softening point between about 650°-725°C, and excellent resistance to attack by alkaline detergent and hydrochloric acid, said frit consisting essentially, expressed in terms of weight percent on the oxide basis (except for the fluorine content), of SiO2 49-55 MgO 0-2 B2O3 13-20 CaO 1-7 Al2O3 4.5-7 SrO 0-8 Na2O 5-8.5 BaO 0-11 K2O 5-8.5 ZnO 0-2 Na2O+K2O 11-16 F 0. 25-3.
Patent CA-2142616-A1 (CA)
Inventor: LINDBERG HANS
IPC: D21C11/12
Filed: 1993-08-18
Abstract: The present invention relates to an environmental-friendly process for reducing the content of chloride in a liquor inventory of a chemical pulp mill. According to the invention, in a recovery system for pulping chemicals containing sulphur and an alkali metal; precipitator dust formed in a recovery boiler is collected and withdrawn, dissolved in water and electrolyzed for production of chlorine or hydrochloric acid in the anolyte. Since the dust normally contains a large amount of sodium sulphate, sulphuric acid and sodium hydroxide can also be produced in the electrolysis.  To reduce the content of impurities, before the electrolysis, the pH of the aqueous solution is adjusted to above about 10 to precipitate inorganic substances which are separated-off together with flocculated or undissolved substances.
Patent CA-2143976-A1 (CA)
Title: For all spinal trauma (f.a.s.t.) system
Inventor: ASHLEY SCOTT D
IPC: A45F3/00
Filed: 1995-03-06
Abstract: This invention relates to a spineboard and the parts thereof adapted for the ease of use in an aquatic setting. The securement and transport of a person who may have suffered a spinal injury. The spineboard consists of a board that is long and wide enough for an average male to be placed on it, comfortably in a supine position. The board consists, of four sets of parallel longitudinal tracks adapted so that each may receive a strap to encircle and secure a person to the board. The head harness is designed to accompany the board and is removable, it will secure a persons head at two points with two straps The board has a sliding track that is situated between the runners on the underside of the board. This track will slide out and allow rescuers to secure the track to a surface beside the water, thus allowing the board to be positioned in such a way that it facilitates easy placement of spinal injured person from the water. The board consists of a set of parallel wings which are elevated above the board running along the outside of the board. These wings prevent the person from sliding on the board when the board is turned on its side. The board consists of a weight that is secured to the foot of the board before and white the person is placed and secured onto the board after which the weight is removed thus allowing the board to float to the surface of the water.
Patent CA-2144852-A1 (CA)
Inventor: HAYES DONALD J
IPC: B41J2/16
Filed: 1993-09-03
Abstract: A method for film coated passivation of individual grooves or channels in an array of closely spaced grooves or channels of a workpiece, for example, ink channels in a printhead employed in an ink jet printer device; includes the steps of placing the workpiece on a rotation plate having a rotational center, securing the workpiece to the rotation plate with the grooves directed ra-dially outward from the rotational center of the rotation plate, placing resin upon the workpiece in the vicinity of the grooves, and spinning the rotation plate to cause the resin to migrate along the surfaces of the grooves and thereby coating them.
Patent CA-2146313-A1 (CA)
Title: Tamper evident liquid dispensing package
Inventor: KAMINSKI RONALD S
IPC: B65D47/24
Filed: 1995-04-04
Abstract: A liquid dispensing package includes a container whose finish has an opposed pair of slots extending vertically from a free end thereof.  A nozzle element with a dispensing passage extending therethrough is positioned within the finish and has an opposed pair of pins which extend into and through the slots of the finish to permit the nozzle element to translate, but not rotate, with respect to the finish, the translation being between a sealed, non-dispensing position and an unsealed, dispensing position.  A cap element is rotatably affixed to the finish and has an opening in a top central panel which is aligned with the dispensing passage of the nozzle element.  A skirt of the cap element has part helical grooves on its inside surface, and these grooves receive the free ends of the pins of the nozzle element.  Thus, rotation of the cap element results in translation of the nozzle element.  The opening of the central panel of the cap element has a frangible portion which is ruptured by contact with a boss at a free end of the nozzle element upon the first opening or attempted opening of the package to provide the package with tamper evident opening characteristics.
Patent CA-2147424-A1 (CA)
Title: Installations for cleaning tubes by circulating resilient balls
Inventor: RICARD ROGER
IPC: F28G1/12
Filed: 1995-04-20
Abstract: The invention relates to an installation for cleaning tubes in a tube assembly (1) such as a heat exchanger or a condenser, which assembly comprises n sections in parallel where n is an integer greater than 1, the tubes being cleaned by circulating balls in a flow of water inside the tubes. For each of its sections, the installation comprises a branch length of pipework (6) fitted with its own drive pump (8) and extending between an upstream device (7) for recovering balls that is mounted on the outlet from the section under consideration and a downstream device (10) for reinjecting balls that is mounted at the inlet (2) to said section. The installation has a single device (11) for injecting new balls which is connected to all n lengths (6) by a corresponding number of small diameter pipes (12), thereby enabling the n sections to be served in turn by means of said device and also enabling it to be located at a distance from the tubes to be cleaned, in a location that is easy to access.
Patent CA-2147678-A1 (CA)
Title: Query optimization by predicate move-around
Inventor: LEVY ALON YITZCHAK
IPC: G06F17/30
Filed: 1995-04-24
Abstract: Query optimization which is done by making a graph of the query and moving predicates around in the graph so that they will be applied early in the optimized query generated from the graph. Predicates are first propagated up from child nodes of the graph to parent nodes and then down into different child nodes. After thepredicates have been moved, redundant predicates are detected and removed. Predicates are moved through aggregation operations and new predicates are deduced from aggregation operations and from functional dependencies. The optimization is not dependent on join order and works where nodes of the graph cannot be merged.
Patent CA-2150117-A1 (CA)
Inventor: BAUER S CHRISTOPHER
IPC: C12P21/04
Filed: 1993-11-22
Abstract: The present invention relates to a recombinant human interleukin-3 (hIL-3) variant or mutant proteins (muteins). These hIL-3 muteins contain one or more amino acid substitutions and may also have amino acid deletions at both the N- and C-termini. The invention also relates to pharmaceutical compositions contain-ing the hIL-3 muteins and methods for using them. Additionally, the present invention relates to recombinant expression vectors comprising nucleotide sequences encoding the hIL-3 muteins, re-lated microbial expression systems, and processes for making the hIL-3 muteins using the microbial expression systems. Included in the present invention are deletion mutants of hIL-3 in which from 1 to 14 amino acids have been deleted from the N-terminus, and from 1 to 15 amino acids C corresponding to residues 119 to 133) have been deleted from the C-terminus, and which also contain one to three amino acid substitutions in the polypeptide. These hIL-3 mutant polypeptides may have biological activities similar to or better than hIL-3 and, in some cases, may also have an improved side effect profile.
Patent CA-2150811-A1 (CA)
Title: Pressing tool
Inventor: DISCHLER HELMUT
IPC: B21D39/04
Filed: 1993-11-25
Abstract: A pressing tool for pressing tubular nested work-pieces, in particular a pips end upon which is slid a press fitting, has several pressing jaw elements which bear pressing jaws with a continuous circumferential pressing groove shaped in their inner side. In order to ensure mounting safes during pressing without affecting the tightness, a pressing land (65) extends along only one side of the pressing groove (63), and a template (44) which fits over the nested workpiece (1) but not over the slid-on workpiece (2) is arranged towards the other side of the groove.
Patent CA-2152879-A1 (CA)
Title: Hammock with collapsible spreader bars and sheltering enclosure
Inventor: DEATH SAM
IPC: A45F3/26
Filed: 1995-06-28
Abstract: A hammock comprises a hammock body, suspension belts or the like for suspending the hammock between two load bearing members, and a header and suspension cord assembly at each end of the hammock which spreads the weight of a load laterally across the width of the load.          This assembly includes a reinforced header located at the head end and having a laterally extending row of apertures, a spreader bar dimensioned to fit in a sleeve in each header, and a suspension cord designed to couple the suspension belt to the row of apertures in the header. The hammock may be enclosed by an enclosure which is suspended above the hammock body by a spinal cord. The enclosure creates a rain and insect free space for the user.
Patent CA-2156514-A1 (CA)
Inventor: RANGERT BO
IPC: A61C8/00
Filed: 1994-12-20
Abstract: L'invention concerne un élément de fixation de type vis en titane servant à effectuer un ancrage permanent dans un tissu osseux, en particulier l'ancrage permanent de dents artificielles et de bridges dans l'os de la machoire. L'élément de fixation possède une partie extérieure filetée, dont le sommet est réuni à une bride lisse , conique et/ou cylindrique (5, 9). L'extrémité filetée est conçue de façon que le filet (1) de la partie périostique de l'élément de fixation soit réuni à la bride (5, 9) par l'intermédiaire d'une gorge cylindrique (7) possédant la géométrie de la filière. Ceci permet d'obtenir un pas de vis et une profondeur de filet corrects jusqu'à la bride, au moyen d'une géométrie satisfaisante, où le trou taraudé au préalable épouse la géométrie du filet jusqu'à la bride, de manière à optimiser l'utilisation de l'os cortical.
Patent CA-2157170-A1 (CA)
Title: Apparatus for the automated processing of bulk mail having varied characteristics
Inventor: STEVENS ALBERT F
IPC: B07C3/02
Filed: 1994-12-23
Abstract: An apparatus (1) for the automated processing of bulk mail which incorporates a number of operating stations (2, 5, 25) that serve to accomplish the various aspects of mail extraction, as well as the subsequent processing of extracted documents, and which are operatively associated with one another to serially process envelopes (39, 40) and extracted documents (41, 42) in continuous fashion and substantially independent of their characteristic features. To this end, the operating stations (2, 5, 25) of the apparatus are configured to be as independent as posible of the characteristics of the envelopes (39, 40) and their contents (41, 42) so that envelopes (39, 40) and contents (41, 42) of varied characteristics can be effectively handled by the apparatus (1) without requiring any significant adjustments. As a result, the apparatus (1) is made capable of processing (as a single job if desired) envelopes (39, 40) and contents (41, 42) of varied characteristics, reducing the need to remove non-conforming envelopes (39, 40) and contents (41, 42) from further processing, and increasing the versatility and productivity of the apparatus (1).
Patent CA-2160906-A1 (CA)
Title: Non-contact inspection system
Inventor: HANNA JAMES LEE
IPC: G01B11/245
Filed: 1994-04-07
Abstract: A non-contact inspection system capable of evaluating spatial form parameters of a workpiece (22) to provide 100% inspection of parts (22) in production. During production, it is not uncommon for one or more process to fail to produce the desired geometry of the part. The occurrence of such defects is not adequately monitored through other quality assurance processes. The system of the present invention causes parts (22) to be sequentially loaded onto an inclined track (16) where they pass through a test section (18). The test section (18) includes a length detection array (40) for measuring the length of the workpiece (22), which includes a source (43) generating a sheet of light oriented in the longitudinal direction of the workpiece (22). The profile of the parts (22) are evaluated by one or more light sources also creating a sheet of light oriented transverse to the longitudinal axis of the parts (22). Single channel photodetectors are provided for each of the sources which provides an analog output of the extent to which each sheet of light is occluded by the part (22). These outputs are analyzed through appropriate signal processing hardware and software to generate length and profile data related to the workpiece geometry.