baber/WOPTO huggingface dataset:
Patent CA-2279462-A1 (CA)
Title: Systeme pour verifier des cartes de donnees
Inventor: VANSTONE SCOTT A
IPC: H04L9/32
Filed: 1998-02-03
Abstract: L'invention concerne un procédé permettant de contrôler une paire de correspondants dans une transaction électronique. Chaque correspondant a un premier et un second mécanisme de signature, le premier mécanisme étant plus difficile, sur le plan informatique, à signer qu'à vérifier, et le second mécanisme étant plus difficile, sur le plan informatique, à vérifier qu'à signer. Selon l'invention, le premier correspondant signe des informations selon le premier mécanisme de signature et transmet la première signature au second correspondant; celui-ci vérifie la première signature reçue du premier correspondant, la vérification s'effectuant selon le premier mécanisme de signature. Puis le second correspondant signe les informations selon le second mécanisme de signature et transmet la seconde signature au premier correspondant; celui-ci vérifie la seconde signature reçue du second correspondant, la vérification s'effectuant selon le second algorithme de signature. La transaction est rejetée si l'une des deux vérifications s'avère négative. Le procédé permet ainsi à l'un des correspondants de participer avec relativement peu de puissance informatique, tout en assurant la sécurité de la transaction.
Patent CA-2280939-A1 (CA)
Inventor: LEFEBVRE DANIEL D
IPC: A01H5/00
Filed: 1998-02-24
Abstract: This invention provides an isolated promoter which induces transcription of a gene under conditions in which phosphate is limited to an organism. Vectors, host cells, and transgenic photosynthetic organisms incorporating this promoter are also provided.
Patent CA-2281086-A1 (CA)
Inventor: GUNTAKA RAMAREDDY V
IPC: C12P19/34
Filed: 1997-12-12
Abstract: L'invention concerne des oligomères inhibant l'expression d'un gène de collagène. On estime que chaque oligomère, une fois introduit dans une cellule, forme un complexe inhibant la transcription, composé de l'oligomère et de la région promotrice du gène de collagène. Cet oligomère, de préférence un désoxyoligonucléotide de phosphorothioate, se lie de préférence selon une orientation antiparallèle au brin de polypurine de la région polypurine-polypyrimidine de la région promotrice d'un gène de collagène .alpha.1(I) de mammifère.
Patent CA-2282674-A1 (CA)
Title: Hair treatment method
Inventor: LEROY FREDERIC
IPC: A61K8/81
Filed: 1998-03-04
Abstract: The invention concerns a method for treating hair keratin fibers to provide them with new appropriate properties, comprising the following steps: reducing the sulphur bonds of hair keratin to generate only at the surface of the fibers at a depth less than 10 mum. reactive sites and in fixing covalently on said reactive sites at least one active compound for providing the hair keratin fibers with new appropriate properties, said active compound containing at least a reactive function capable of reacting with said reactive sites formed at the keratin fiber surface. This method is applicable to the treatment of fibrous or non-fibrous keratin substances of human or animal origin.
Patent CA-2283240-A1 (CA)
Title: Electrode with improved signal to noise ratio
Inventor: KURNIK RONALD T
IPC: A61B5/00
Filed: 1998-03-16
Abstract: An electrode assembly for sensing an electrochemical signal diffused from a source to a working electrode which is comprised of a plurality of substantially separated working electrode surfaces is disclosed. The electrode of the invention is comprised of (1) a working electrode made up of a plurality of working electrode surfaces or components, and (2) an electrically insulating gap defined by adjacent edges of (1) insulating the working electrode surfaces or components from each other. The working electrode components are configured to receive electrochemical signal from two or preferably three dimensions simultaneously. The working electrode components configured over the same surface as a single electrode provide (1) an improved signal to noise ratio as compared to a single electrode by reducing noise, and (2) provided an overall enhanced signal after sensing for a given period of time.
Patent CA-2285848-A1 (CA)
Title: Method and apparatus for an integrated security device for providing for automatic disablement
Inventor: GILMOUR RICHARD JOSEPH
IPC: G06F1/00
Filed: 1999-10-13
Abstract: In electronic devices containing microprocessors, including data processing systems, logic is loaded to storage registers within a microprocessor or other suitable non-volatile storage medium during the manufacturing process. The logic provides for detecting the presence of a battery employed to power an interval timer. Also, the logic provides pre-set time intervals that operate in conjunction with the interval timer and existing or installed device state sensing devices. One time interval provides a warning to a user that the protected device will be deactivated within a specified period of time if a preset authorization code is not entered into the device.  Another interval is provided to carry out deactivation if the preset code is not entered. Types of automatic deactivation include: partial deactivation, which comprises allowing communication via modem with a service center to obtain authorization; fully deactivated state requiring entry of a key code to reactivate the device and destructive deactivation which destroys circuits within the device necessary to operation.
Patent CA-2287313-A1 (CA)
Inventor: WEGLER GEORGE
IPC: E04B1/04
Filed: 1998-04-20
Abstract: The present invention relates to a novel system for mutually joining together prefabricated or on-site cast walls (1, 2) and floor structures (4, 5). Preferably, single-course walls are cast with attached insulation and thinplate floor structures which are supported on tooth-like projections (15) created at the ends of the floor structure by means of recesses (16). These projections are received in recesses (14) provided in the walls, with the possibility of resilient attachment and the provision of centric loading. In turn, the walls subject each other to load centrally and vertically through contact with the respective top and bottom surfaces of the tooth-like projections (13). The tooth-like projections (13) of the walls extend through the recesses (16) in the floor structure plates. The element parts can be locked together by virtue of the different geometries of said tooth-like projections and said recesses respectively. The walls can be constructed in the total absence of thermal bridges caused by concrete encroaching on the insulation (8).
Patent CA-2287852-A1 (CA)
Title: Pressure gauge having a dampener mechanism
Inventor: HAMMA JOHN C
IPC: G01L19/06
Filed: 1998-06-10
Abstract: Dampening apparatus (46, 70, 78) for a pressure gauge (11) in which a short length of sleeve (50), ferrule (72), hub (80) encircles the pointer shaft (19) in a close but loose fit relation and is packed with a high viscosity fluid (58) such that it will serve to decerelate and cushion any sudden shock or pulsation force that would otherwise be transmitted to the pointer shaft (19).
Patent CA-2288300-A1 (CA)
Title: Improved automatic surgical device for cutting a cornea and a cutting blade assembly and control assembly therefor
Inventor: HELLENKAMP JOHANN F
IPC: A61F9/00
Filed: 1998-04-24
Abstract: A surgical device for cutting substantially across a cornea of an eye of a patient, the device including a positioning ring structured to be temporarily attached to a portion of the eye surrounding the cornea to be cut, and defining an aperture sized to receive and expose the cornea to be cut. The surgical device further includes a cutting head assembly structured to be guided and driven over an upper surface of the positioning ring in a generally arcuate path, and having a cutting element positioned therein and structured to oscillate laterally to facilitate smooth and effective cutting of the cornea. The cutting head assembly is structured to be detachably coupled to the positioning ring by a coupling member which permits movement of the cutting head assembly relative to the positioning ring along the generally arcuate path, but maintains sufficient engagement therebetween to ensure that smooth, steady, driven movement is maintained.
Patent CA-2289146-A1 (CA)
Title: Radius surface trowel
Inventor: JURISHICA LUANN M
IPC: E04F21/06
Filed: 1999-11-08
Abstract: A hand tool consisting of a flexible blade with a working edge is provided for use with a cementitious material to permit the forming and finishing of columns and other curved surfaces of relatively large radii. A pair of gripping surfaces are formed in the flexible blade, consisting of handles to which handgrips have been attached. To enhance the ability of the user to control the curvature of the working edge, the handgrips are attached to the handles in a manner such that a portion of the handgrip overlies and is supported by the outer, lateral portion of the handle. Such an arrangement permits the user to apply force through the handgrips directly to the outer periphery of the flexible blade.
Patent CA-2289404-A1 (CA)
Title: Pragmas for multiple computer language debugging
Inventor: RYMAN ARTHUR G
IPC: G06F9/45
Filed: 1999-11-12
Abstract: A system, method, computer program product and article of manufacture tangibly embodying a program of instructions for facilitating debugging of programs that are written in a first computer programming language that is then processed into a second computer programming language for execution is provided. Particularly, the invention comprises pragmas used to identify correspondence between code components in a first program and code components in a second program in the Java language, which second program is processed from the first program. The invention also comprises a translation system, method, computer program product and article of manufacture method for, during processing of a first program into a second program in the Java language, inserting pragmas into the second program. And, the invention also comprises a post-processing system, method, computer program product and article of manufacture method for interpreting pragmas in a second program in the Java language which second program is processed from a first program.
Patent CA-2292591-A1 (CA)
Inventor: BOMMARAJU RAMA
IPC: C21C7/00
Filed: 1998-05-29
Abstract: Method and article for introducing a denitrogenizing flux material (26) into molten metal (22) including the steps of providing a wire-like vector (14) that has an inner core of flux material (26) and an outer layer (24) that is used to contain the inner core of flux material (26) and introducing the wirelike vector (14) into the molten metal (22). Also a method of introducing a powdered denitrogenizing flux (40) into molten metal (32) using a lance (42).
Patent CA-2293257-A1 (CA)
Title: Cosmetic compositions
Inventor: DECKNER GEORGE ENDEL
IPC: A61K8/33
Filed: 1998-06-12
Abstract: Cosmetic composition for topical application to the skin comprising a hydroxyalkyl cyclodextrin, salicylic acid or salicylic acid derivative and water. The compositions herein provide improved anti-acne/anti-inflammatory activity together with reduced skin irritation.
Patent CA-2293633-A1 (CA)
Title: Perfume-free two phase compositions and methods for reducing body and environmental odor
Inventor: BARTOLO ROBERT GREGORY
IPC: A61K8/00
Filed: 1998-06-08
Abstract: The present invention relates to an aqueous odor-absorbing composition which is safe for use on human skin comprising solubilized, water-soluble, uncomplexed cyclodextrin; an oil phase selected from the group consisting of emollients, moisturizers, skin protectants, and mixtures thereof; one or more surfactants each having hydrophilic/lipophilic balance of about 8-18, and wherein each surfactant, when combined with an aqueous cyclodextrin solution, provides no less than about 25 % a level of odor capture as an aqueous cyclodextrin solution; and an aqueous carrier. The present invention also encompasses methods of controlling body and environmental odors on skin comprising the application to skin of these compositions.
Patent CA-2297673-A1 (CA)
Title: Pharmaceutical compositions containing an effervescent acid-base couple
Inventor: BRAMBILLA GAETANO
IPC: A61K9/46
Filed: 1998-07-23
Abstract: A pharmaceutical composition in form of effervescent tablets comprising an active ingredient and an effervescent blend, wherein the effervescent blend comprises an acidic component and sodium glycine carbonate as alkaline components. Preferred acid component are fumaric acid, maleic acid and their salts. Tablets are prepared by direct compression in normal thermo-hygrometric conditions and with standard tabletting equipment.
Patent CA-2298838-A1 (CA)
Title: Pen reinforcement for rubber composites
Inventor: SYKORA JAMES CLETUS
IPC: B60C9/20
Filed: 1997-09-26
Abstract: A method for constructing an elastomeric composite ply comprises using parallel S and Z twisted cords to reinforce an elastomeric matrix.      The S and Z cords are made inexpensively by using a yarn twist that is less than the cord twist. Composite plies made by the method can be used in elastomeric articles such as tires.
Patent CA-2299474-A1 (CA)
Inventor: MINORU SAITO
IPC: H01M8/02
Filed: 1998-10-13
Abstract: A separator for a low temperature type fuel cell using a stainless steel substrate S having carbon particles, such as graphite powder GP, and an aggregate CA of a carbon black, dispersed and press-bonded to the surface of the substrate in an island form, wherein the carbon particles are preferably bonded to the surface of the substrate S through a diffusion layer DL. The carbon particles such as the carbon aggregate CA and graphite powder GP may be dispersed in a plating layer, or a film component may be thermally decomposed after the carbon particles are dispersed in the film. A contact resistance is low because carbon powder having high conductivity is dispersed in the surface of the stainless steel substrate S having high oxidation resistance, and the occurrence of Joule heat which would otherwise result in a heat loss can be suppressed even when a large number of cells are stacked.
Patent CA-2301156-A1 (CA)
Inventor: BETTIOL JEAN-LUC PHILIPPE
IPC: C11D3/386
Filed: 1998-06-10
Abstract: La présente invention concerne des compositions détergentes comprenant une mannanase et du percarbonate. Ces agents confèrent un pouvoir lavant accru, avec notamment une plus grande efficacité pour l'élimination des taches et le maintien de la blancheur.
Patent CA-2301952-A1 (CA)
Inventor: MORRIS JOHN W
IPC: A61F2/44
Filed: 1997-09-17
Abstract: An intervertebral prosthesis includes a bone graft implant member dimensioned for insertion within an intervertebral space defined between adjacent vertebrae and having at least first and second longitudinal sections with respective first and second cross-sectional dimensions. The first cross-sectional dimension of the first implant section is greater than the second cross section dimension of the second implant section to define a stepped region having a retaining surface. Consequently, upon insertion of the implant member within a generally correspondingly dimensioned receiving bed formed within the adjacent vertebrae, the retaining surface facilitates securement therewithin by corresponding engagement with surfaces of the receiving bed. A  method for fusion of adjacent vertebrae utilizing the prosthesis is also disclosed.
Patent CA-2303753-A1 (CA)
Title: Method of wire rolling and rolling mill
Inventor: NAGASE TADAHIRO
IPC: B21B1/16
Filed: 2000-04-06
Abstract: [Problems] To enable production of wires of various diameters from one round rod material supplied from rough rolling step without necessity of roller change of block mills, which needs long period of time and much labor.   [Solution] In the rolling mill a mini block mill (MBM) is installed between a block mill (BM) and a sizing mill (SM) as a reducer for intermediate rolling. The block mill (BM) is so constructed that it is possible to use both the front group (BM1) and the rear group (BM2) of the rollers, or only the front group by passing the rear group with a dummy pass, or to by-pass both the front and the rear groups. The mini block mill (MBM) is shuntable from the pass line. The sizing mill is so constructed to be two sets of rollers (SM1, SM2) that either both the sets may be used, or only one of the sets (SM1) may be used and the other (SM2), by-passed. By choosing combinations of use and non-use of the rollers it is possible to produce wires of various diameters, maximum 19 different diameters, from a round rod material of one diameter.
Patent CA-2309253-A1 (CA)
Inventor: ADELMAN DOUGLAS J
IPC: C07C67/00
Filed: 1998-12-03
Abstract: 1,3-Propanediol esters, preferably diesters, can be made using a modified Prins reaction by reacting ethylene, formaldehyde, and a carboxylic acid using a selected perfluoroalkylsulfonate or perfluorocarboxylate as a catalyst.  Improved Prins reactions to make esters using formic acid as a carboxylic acid are also disclosed. The esters are useful as monomers and chemical intermediates.
Patent CA-2310331-A1 (CA)
Inventor: TSUTSUMI TAKAHARU
IPC: C07D211/28
Filed: 1998-11-19
Abstract: Biphenylamidine derivatives represented by general formula (1) or pharmaceutically acceptable salts thereof, both being novel compounds functioning as clinically applicable Fxa inhibitors.
Patent CA-2310620-A1 (CA)
Title: A food container
Inventor: FERRARO DANIELA MONICA CATERIN
IPC: A47G19/06
Filed: 1998-11-25
Abstract: The food container (10) can be superimposed onto the upper end of a beverage receptacle (12, 32, 34). It has a side wall (14) and a bottom wall (16) in which there is formed at least one channel (18) to allow the passage out through the container (10) of a drinking straw (20) which penetrates into the receptacle (12, 32, 34). The bottom wall (16) is provided with means for allowing connection of the food container (10) to a receptacle (12, 32, 34) chosen from at least two receptacles having different dimensions at the upper end.  Preferably such means allow a stable connection of the container (10) to the receptacle (12, 32, 34), in particular one which is not separated by the force of gravity alone.
Patent CA-2311408-A1 (CA)
Title: Dispositif d'alimentation de boutons a fonction de controle de largeur et de centrage
Inventor: SUH MYUNG WON
IPC: D05B3/22
Filed: 1998-11-23
Abstract: L'invention concerne un dispositif (100) d'alimentation de boutons en position de couture, qui centre les boutons et règle à la fois la largeur et la hauteur d'un passage d'alimentation de boutons, en fonction de la dimension des boutons acheminés sur une bande transporteuse (10), ce qui assure le placement approprié de boutons sur des vêtements, en position de couture. Le dispositif est doté de deux lits de guidage (36, 38) définissant une voie de guidage des boutons. Une unité de réglage de hauteur (160) est placée au-dessus de la voie de guidage, se déplaçant verticalement et latéralement par rapport à la dite voie, selon la taille des boutons, aux fins de réglage de la hauteur de la voie de guidage. Une unité de réglage de largeur est utilisée conjointement avec les deux lits de guidage (36, 38), de manière à régler la largeur de la voie de guidage d'après la largeur des boutons. Une unité de centrage est utilisée conjointement avec l'unité de réglage de la hauteur, de manière à centrer chacun des boutons acheminés, au niveau d'une sortie de la voie de guidage. Une unité d'alimentation rotative (30, 32) est montée rotative entre la sortie de la voie de guidage et la position de couture ce qui, depuis la sortie de la voie de guidage, permet de placer en position de couture les boutons qui ont été centrés.
Patent CA-2314414-A1 (CA)
Inventor: JUNG DIETER
IPC: B30B11/08
Filed: 2000-07-21
Abstract: Tabletting punches which distinctly reduce caking levels during tabletting and which are suitable in particular for the production of detergent tablets have projections and depressions on their contact surface, the interval between the projections being between 5 and 200 µm and the height of the projections between 5 and 100 µm. By using tabletting punches such as these, tabletting processes can be carried out over long periods without cleaning intervals and without any adverse effects on the individual tablets, irrespective of the particular tablet press used.
Patent CA-2315527-A1 (CA)
Title: Phosphatases humaines
Inventor: SHAH PURVI
IPC: C12N15/09
Filed: 1998-12-02
Abstract: Cette invention se rapporte à des phosphatases humaines (HPA) et à des polynucléotides qui identifient et codent ces phosphatases HPA. Cette invention présente également des vecteurs d'expression, des cellules hôtes, des anticorps, des agonistes et des antagonistes, ainsi que des procédés pour traiter les troubles associés à l'expression de phosphatases HPA.
Patent CA-2318542-A1 (CA)
Inventor: OLECH LEE
IPC: G01N27/447
Filed: 1999-10-20
Abstract: Immobilized pH gradient (IPG) strips are encapsulated in an enclosure that seals the strip (12) from atmospheric exposure and yet contains sufficient volumetric capacity (15) to accommodate the strip in rehydrated form. The enclosure contains a pair of electrode access apertures (21, 22) each of which is spanned by a dialysis membrane to permit electrical contact between external electrodes and the encapsulated IPG strip, and one or more sample application apertures (23) through which lipid sample can be applied to the strip. Each of the apertures is covered by a protective cover or flap (24, 25, 26) that is removable to expose the aperture.
Patent CA-2319438-A1 (CA)
Title: Minimum till seeding knife
Inventor: SUMMACH TERRY EMERSON
IPC: A01C5/00
Filed: 1999-02-05
Abstract: The present invention relates to a knife for and a method of zero till or minimum till seeding and fertilizing. The knife is particularly adpated for dray land conditions producing minimum soil disturbance and very shallow operation. The knife has a high penetration angle preferably of 45 degrees which permits the blade to enter high trash surface cover with little tendency to plug due to trash accumulation. The blade has a forward angle of attack, the lower cutting edge advancing before the upper cutting edge, serving to make a clean cut in the soil surface without accumulating trash. Seed and/or fertilizer conduits are attached to or incorporated in the trailing face of the blade on which the outlets may be spaced for controlled placement of the materials. By the method a furrow is cut having a substantial transverse component in an operation with a substantial forward components. A preferred embodiment includes a horizontal extension blade for cutting a horizontal swath at a shallow depth trough weed growth. Conduits may be secured to the extension to allow greater separation and control of material placement. The knives may be arranged in overlapping configuration on the draw bar to effect weed cutting, seeding and fertilizing of a complete width of soil in a single pass.
Patent CA-2319526-A1 (CA)
Inventor: POSSELT DIETMAR
IPC: C10L1/10
Filed: 1999-02-05
Abstract: The invention relates to solid or pasty fuel additive compositions produced from a homogenous mixture of a solid solidifying agent which is soluble in fuel, and at least one liquid fuel additive, whereby the compositions comprise an additive content of more than approximately 40 to approximately 99 wt. % with regard to their total weight.