baber/WOPTO huggingface dataset:
Patent CA-2257603-A1 (CA)
Title: Systeme ameliore de purification d'eau
Inventor: YANG THIEN SIUNG
IPC: C02F1/465
Filed: 1998-04-14
Abstract: Dispositif pour purification d'un liquide tel que l'eau, utilisant l'électrolyse pour provoquer la liaison d'un agent de floculation avec les impuretés contenues dans ce liquide. Ce dispositif comporte une cuve (1) dont les parois latérales (2) convergent vers le haut, en direction d'un orifice (3) de trop-plein de dimension réduite. Des électrodes (5,6) sont adjacentes au fond (7) de la cuve (1). Une partie au moins de ces électrodes (5,6) est disposée le long de la surface des parois intérieures de la cuve. Les électrodes peuvent être en forme de spirales suivant les parois d'une cuve circulaire et délimitant un espace creux (10) au centre de la cuve. Le fond (7) de la cuve peut en outre être incliné en direction d'un orifice de sortie (24) pour permettre l'élimination du sédiment.
Patent CA-2258229-A1 (CA)
Inventor: DOUD PAUL D
IPC: G02B6/024
Filed: 1997-06-04
Abstract: A glass preform (10) is drawn into a fiber. Holes (13), running the length of the preform (10), collapse during the drawing, this causes the core (11) to have an elliptical cross section.
Patent CA-2258963-A1 (CA)
Title: Connecteur electrique multifonction
Inventor: BURMAN MICHAEL
IPC: H01R12/51
Filed: 1997-06-23
Abstract: La présente invention concerne un connecteur électrique multifonction muni de plusieurs contacts montés à la base dudit connecteur électrique. Les contacts comprennent une partie formant une lame plane sur laquelle sont placées des pastilles de soudure destinées au montage en surface dudit connecteur électrique sur les rubans conducteurs d'un substrat, en verre par exemple.
Patent CA-2259771-A1 (CA)
Inventor: MASAKI RYOSO
IPC: B60K6/365
Filed: 1999-01-21
Abstract: Disclosed herein is a transmission comprising a mechanism for distributing energy of a drive source into a plurality of differential mechanisms; a plurality of motors connected to said plurality of differential mechanisms, respectively; and a mechanism for combining energies outputted from said plurality of differential mechanisms.
Patent CA-2260360-A1 (CA)
Title: Use of a panel of heterokaryons to produce variants of multimeric proteins
Inventor: STUART W DORSEY
IPC: C07K14/59
Filed: 1997-06-30
Abstract: The present invention provides methods and compositions for producing and screening combinatorial libraries of multimeric proteins. The present invention relies on the use of filamentous fungal heterokaryons that are produced using two or more parent strains into which a population of DNA molecules encoding variants of a multimeric protein have been introduced.
Patent CA-2263904-A1 (CA)
Title: Process to obtain oestrogens from mare's urine
Inventor: HEINEMANN HENNING
IPC: A61K35/22
Filed: 1996-08-30
Abstract: A method for obtaining an extract containing the natural mixture of conjugated oestrogens from mares urine by solid-phase extraction of the mixture of conjugated oestrogens from the urine of pregnant mares on RP silica gel is described.
Patent CA-2267033-A1 (CA)
Title: Virtual private network forming system and method
Inventor: YAMANO SHIGEKI
IPC: H04L12/70
Filed: 1999-03-26
Abstract: In a network system composed of an ATM network and a plurality of frame relay networks, a first VPN-capable edge device transfers a packet to a second VPN-capable edge device through a virtual channel connection (VCC) of a virtual private network (VPN), wherein the packet is received from a user router belonging to the VPN and the virtual channel connection is determined depending on a layer-3 destination address of the packet and a VPN identifier assigned to the VPN.
Patent CA-2267563-A1 (CA)
Title: Pourable cast melt bar compositions comprising low levels of water and minimum ratios of polyol to water
Inventor: COYLE LAURIE ANN
IPC: C11D9/26
Filed: 1997-10-01
Abstract: The present invention relates to cast melt bar compositions comprising surfactant, fatty acid, generally lower MW polyalkylene glycol and small amounts of water wherein the ratio of total polyol to water is at least 3:1. By using less water and greater variants of polyol, the bars allow larger amounts of generally insoluble materials to be used and also allow retention of bar integrity using limited amounts of soap (important for mildness).
Patent CA-2272979-A1 (CA)
Title: Lifting device
Inventor: MCVAUGH ARTHUR K
IPC: B60P1/54
Filed: 1999-05-26
Abstract: A lifting device for attachment to a vehicle trailer hitch or the like. The device includes a hitch bar for attachment to the trailer hitch. A lateral extension arm is mounted on the hitch bar and a riser arm is rotatably mounted to the lateral extension arm. A boom arm is mounted on the riser ann. the boom arm having load attachment elements for attaching a load thereto. Also provided is a rotating element attached to the lateral extension arm and the boom arm for rotating the riser arm about the lateral extension arm to raise and lower the riser arm relative to the hitch bar. Raising and lowering of the riser arm moves the boom arm to transcribe a predetermined arc lying in a vertical plane. It is preferred to have the hitch bar centered on a platform centerline wherein the vertical plane intersects the centerline. The predetermined arc may be from about 130 degrees to about 150 degrees, and preferably 140 degrees, with respect to the bed of the vehicle. The device further includes a pair of opposed turret plates attached to one end of the lateral extension arm, wherein the riser arm and the rotating element are journaled within the turret plates.
Patent CA-2273836-A1 (CA)
Inventor: KHANNA ISH K
IPC: C07D207/337
Filed: 1997-12-09
Abstract: L'invention concerne une classe de dérivés de pyrrolyle destinés à être utilisés dans le traitement de l'inflammation et de troubles relatifs à l'inflammation. Des composés présentant un intérêt particulier sont définis par la formule (I) dans laquelle R?1¿ et/ou R?2¿ représentent phényle substitué par méthylsulfonyle ou aminosulfonyle.
Patent CA-2274560-A1 (CA)
Title: Internet television program guide system
Inventor: DEMERS TIMOTHY B
IPC: H04H20/00
Filed: 1997-12-09
Abstract: An Internet television program guide system is provided that allows a user at a multimedia system to access information related to television programs over an Internet communications link. The user can view television program guide listings and related video stills and video clips. The user can perform database searches on the program guide listings (e.g., to search for a particular type of television program). If desired, the user can select an option that directs the multimedia system to tune directly to a television channel for a selected program or to a related television program guide or movie guide service on a television channel. The user can order pay-per-view events using the system.
Patent CA-2277696-A1 (CA)
Inventor: VAIRON JEAN-PIERRE
IPC: C08F20/10
Filed: 1999-07-09
Abstract: Method for polymerization in emulsion of at least a polymerizable monomer by radical means in the presence of a stable free radical and an emulsifier is claimed. The emulsion comprises an aqueous liquid phase containing at least 50 wt.% water and an organic liquid phase containing more than 50 wt.% monomer(s). Independent claims are also included for: (i) polymer particles comprising polymerized units of at least two monomers; (ii) an assembly of these particles; and (iii) a latex comprising this assembly.
Patent CA-2278407-A1 (CA)
Inventor: BOURGES PHILIPPE
IPC: C22C38/46
Filed: 1999-07-20
Abstract: Steel components of the boiler enclosure are manufactured and comprise (in wt.%): 0.03-0.15 C, 0-0.5 Si, 0.4-2.5 Mn, 0.5-3 Ni, 0-1 Cr, 0-0.5 Mo, 0-0.07 Al, 0-0.04 Ti, 0-0.004 B, 0-0.02 V, 0-0.05 Nb, below 1 Cu, below 0.015 S, and below 0.03 P. Manufacturing a boiler enclosure to work under pressure between -40-200 degrees C with cracking risks under stress generated by H2S as defined by the standard specification NACE MR 0175-97 comprises manufacturing steel components of the boiler enclosure comprising (in wt.%): 0.03-0.15 C, 0-0.5 Si, 0.4-2.5 Mn, 0.5-3 Ni, 0-1 Cr, 0-0.5 Mo, 0-0.07 Al, 0-0.04 Ti, 0-0.004 B, 0-0.02 V, 0-0.05 Nb, below 1 Cu, below 0.015 S, and below 0.03 P. The chemical composition is CET = C+ (Mn+Mo)/10 + (Cr+Cu)/20 + Ni/40 below 0.35 and the critical cooling time between 800 degrees C and 500 degrees C: cct 800/500 is below 10 s. The components are quenched and tempered, after or before forming, in order to obtain a martensitic or a martensitic-bainitic structure comprising less than 10 % ferrite. After forming the components, they are relaxed at a temperature above 595 degrees C, the components are welded with an energy and pre-heating conditions such that the cooling time ct 800/500 between 800 and 500 degrees C of the heated zone is above 5 s. A post-welding thermal treatment is performed at a temperature Tpw above 595 degrees C and below 680 degrees C. The obtained steel has a tensile strength above 550 Mpa, a yield strength above 450 MPa, an elongation above 17 % and an impact strength at -40 degrees C above 40 Joules, and hardness everywhere on the surface of the enclosure below 248 HV. Independent claims are also included for (1) a boiler enclosure manufactured as above, and (2) a steel for manufacturing boiler enclosure.
Patent CA-2279620-A1 (CA)
Title: 1-phenyl-4-benzylpiperazines: dopamine receptor subtype specific ligands (d4)
Inventor: CHEN XI
IPC: A61K31/495
Filed: 1998-01-29
Abstract: Disclosed are compounds of formula (I) or the pharmaceutically acceptable addition salts thereof wherein: R1 is halogen or C1-C4 alkyl; and R2 and R3 are the same or different and represent hydrogen, halogen, C1-C4 alkyl, C1-C4 alkoxy, alkylthio, hydroxy, amino, mono(C1-C4)alkylamino, di(C1-C4)alkylamino, or R2 and R3 together represent a 4 carbon alkenylene moiety that together with the phenyl ring to which they are attached form a naphthyl moiety, which compounds are dopamine D4(ant)agonists and useful in the treatment of neuropsychological diseases such as schizophrenia, psychotic depression and mania.
Patent CA-2279932-A1 (CA)
Title: 3'-n-oxide, 3'-n-dimethylamine, 9-oxime erythromycin a derivatives
Inventor: RILEY DAVID A
IPC: C07H17/08
Filed: 1998-02-03
Abstract: The disclosed invention relates to novel 3'-N-O, 9-O-oxime protected, 6-O-alkyl erythromycin derivatives of formula (I), a process of preparing the same. The invention also relates to a process of preparing 6-O-alkyl erythromycin A by eliminating the 3'-N-oxide group and 9-O-oxime protecting groups and optionally deprotecting the hydroxy groups at the 2'- and 4"- positions under suitable reaction conditions.
Patent CA-2280054-A1 (CA)
Inventor: SEREX PATRICK
IPC: H04N1/32
Filed: 1998-02-05
Abstract: The invention concerns a method for processing a digital image to obtain therefrom a photographic print which consists in transmitting a pre-recorded image and data related to its processing to a data server connected to a data transmission network. The data server temporarily memorises the received data. An image processor connected to an image recorder for recording a negative of the image to be processed on a photosensitive base queries at regular intervals the data server. When a request for processing is available, the image processor transfers the data from the data server, formats them, and supplies to the image recorder, the images to be processed preceded by a virtual image, identifying the user, for the automatic processing by a standard filmline processor.
Patent CA-2280775-A1 (CA)
Title: Cyclotomic polynomial construction of discrete logarithm cryptosystems over finite fields
Inventor: LENSTRA ARJEN K
IPC: G09C1/00
Filed: 1997-09-26
Abstract: Cyclotomic polynomials are used to construct subgroups of multiplicative groups of finite fields that allow very efficient implementation of discrete logarithm based public key cryptosystems, including public key encryption schemes and digital signature schemes. A field is represented with an optimal normal basis, and a generator of a subgroup of the multiplicative group of the field is used to form a public key.
Patent CA-2287903-A1 (CA)
Inventor: BROWN STEPHEN J
IPC: A63F13/00
Filed: 1997-04-28
Abstract: Disclosed is a treatment of medical conditions in human patients with the aid of a microprocessor-based video game (30).
Patent CA-2288328-A1 (CA)
Title: Lentivirus-based gene transfer vectors
Inventor: OLSEN JOHN C
IPC: E05B81/32
Filed: 1998-05-12
Abstract: A recombinant lentiviral vector expression system comprises a first vector that comprises a nucleic acid sequence of at least part of the Equine Infectious Anemia Virus (EIAV) genome. The vector contains at least one defect in at least one gene encoding the EIAV structural protein, but is preferably a gag/pol expression vector. The expression system further comprises a second vector, also comprising a nucleic acid sequence of at least part of the Equine Infectious Anemia Virus (EIAV) genome, and additionally containing a multiple cloning site wherein a heterologous gene may be inserted. The expression system also comprises a third vector which expresses a viral envelope protein. The first and third vector are packaging signal-defective. When the expression system is transfected into a lentivirus-permissive cell, replication-defective EIAV particles may be produced, which particles are useful in delivering heterologous genes to a broad range of both dividing and non-dividing cells.
Patent CA-2289569-A1 (CA)
Title: Immersed device for swimming pool
Inventor: MENIERE JEROME
IPC: E04H4/14
Filed: 1997-05-15
Abstract: The invention concerns an immersed device for swimming pool, arranged sealed in an orifice (5), passing through the pool wall (4), characterised in that it comprises: a cylindrical housing (7), the opening of which is flush with said wall (4), on the inside of the pool, and the bottom (7<u>a</u>) is in the proximity of said wall other face; separating means (3) borne by said housing (7) and arranged in said housing opening; and a sealed sheath (24) connecting the housing (7) bottom to said separating means (3), and capable of enabling, inside said sheath (24), at least an electric cable (8) to pass outside the water from the separating means (3) to outside the pool, said sheath (24) being of sufficient length for said separating means (3) to outside the pool, said sheath (24) being of sufficient length for said separating means (3) to be raised above the pool water level without disassembling the sheath (24) and the housing (7) defining an internal volume sufficient for the sheath (24) to be housed therein between the separating means (3) and the housing (7) bottom (7<u>a</u>).
Patent CA-2289888-A1 (CA)
Title: Container and latch wipe therefor
Inventor: PETERS DENNIS H
IPC: B29C51/08
Filed: 1999-11-16
Abstract: A container for holding food items and the like. The container comprises a base for holding the food item and a cover hingedly mounted to the base and movable between an open and closed position. The cover has a latch wipe opening that is sized to receive a tab extending from the base. The latch wipe opening has a generally rectangular shape. During the manufacturing process, the material in which the latch wipe opening is formed is pre-cooled to reduce the tendency of the latch wipe opening to deform. Further, the form against which the latch wipe opening is formed has a knurled portion that engages the container material above the latch wipe opening to further prevent the deforming of the latch wipe opening during manufacturing.
Patent CA-2290796-A1 (CA)
Title: Polypropylene/polystyrene multilayer film structures
Inventor: REGNIER FRANCOIS J F
IPC: B65D65/16
Filed: 1998-05-21
Abstract: An oriented co-extruded film suitable for use as a window film for mailing envelopes, having a polyolefin layer and a non-glossy surface layer of polystyrene.
Patent CA-2291289-A1 (CA)
Title: Cosmetic product containing plant extracts
Inventor: PAULY GILLES
IPC: A61K8/00
Filed: 1998-06-05
Abstract: The invention concerns a cosmetic product containing plant extracts in particular with depigmentation, antioxidant and anti-ageing action. The invention also concerns the use as active agent for preparing a cosmetic product for topical application on the skin, the mucous membranes and/or superficial body growth, of a least a plant extract selected in the group formed by Spondias mombin, Maprounea guianensis, Walteria indica, Gouania blanchetiana, Cordia schomburgkii, Randia armata and Hibiscus furcellatus.
Patent CA-2292796-A1 (CA)
Title: Nanoemulsion with a base of fatty esters of oxyethylenated or non-oxyethylenated sorbitan, its cosmetic, dermatological and/or ophthalmological uses
Inventor: SONNEVILLE ODILE
IPC: C09K23/42
Filed: 1999-12-16
Abstract: A nanoemulsion comprising a dispersed lipid phase in an aqueous phase with the lipid globules having an average size of less than 100 nm contains: (1) a surfactant (solid at up to 45 degrees C); (2) at least one oil with a molecular weight of more than 400; and (3) at least one ionic amphiphilic lipid . A nanoemulsion comprising a dispersed lipid phase in an aqueous phase with the lipid globules having an average size of less than 100 nm contains: (1) a surfactant (solid at up to 45 degrees C) such as sorbitan fatty esters optionally oxyethylenated; (2) at least one oil with a molecular weight of more than 400; and (3) at least one ionic amphiphilic lipid such as alkaline salts of dicetyl- and dimyristylphosphate, alkaline salts of cholesterol sulfate or phosphate, lipoaminoacids, sodium salts of phosphatidic acid, cationic amphiphilic lipid or alkylsulfonic derivatives at a lipid phase/surfactant weight ratio of 2-10. Independent claims are also included for: (1) a topical composition comprising the above described composition;   (2) an ophthalmic support comprising the above described composition;   (3) a pharmaceutical composition comprising the above described composition; (4) a cosmetic method for the care and/or hydration of the skin, mucosa and/or scalp by applying the above described composition; and (5) the preparation of the composition by mixing an aqueous phase and a lipid phase at 10-80 degrees C and homogenizing the mixture at 6 x 10<7>-18 x 10<7> Pa.
Patent CA-2294849-A1 (CA)
Inventor: KARPISEK LADISLAV STEPHAN
IPC: B65D19/06
Filed: 1998-07-07
Abstract: A container (1) including a four sided base (2) having a trough (8) extending part way across the base upper face, a nozzle support (16) at the mouth of the trough (8) to support a linear bag nozzle (18) in said trough mouth with a liquid discharging bore portion of said nozzle below the level of said upper face of said base, four container side panels (9, 10, 11) for erection at the four sides of the base with one of the side panels (11) a nozzle panel. A  nozzle aperture (24) in said nozzle panel (11) positioned so as to be aligned with the trough mouth when the nozzle panel (11) is erected on the base, and releasable nozzle retainer means (25, 26) on the nozzle panel.
Patent CA-2294921-A1 (CA)
Title: Levobupivacaine and its use
Inventor: RICHARDS ANDREW JOHN MCGLASHAN
IPC: A61K31/445
Filed: 1998-07-21
Abstract: A method of anaesthetising a human patient prior to major surgery, which comprises the administration to the patient of at least 200 mg levobupivacaine.
Patent CA-2300692-A1 (CA)
Inventor: ALEXANDROV NICKOLAI
IPC: C07K14/415
Filed: 2000-02-25
Abstract: The present invention provides DNA molecules that constitute fragments of the genome of a plant, and polypeptides encoded thereby. The DNA molecules are useful for specifying a gene product in cells, either as a promoter or as a protein coding sequence or as an UTR or as a 3' termination sequence, and are also useful in controlling the behavior of a gene in the chromosome, in controlling the expression of a gene or as tools for genetic mapping, recognizing or isolating identical or related DNA fragments, or identification of a particular individual organism, or for clustering of a group of organisms with a common trait.
Patent CA-2300724-A1 (CA)
Title: Prisoner restraint system
Inventor: CORCORAN DAN E
IPC: B60R22/30
Filed: 1989-10-13
Abstract: A contoured vehicle seat back and a belt restraint which cooperate to safely secure and immobilize a rearwardly handcuffed prisoner for transport is disclosed. The contoured seat back includes a pair of downwardly converging channels therein for receiving and engaging the arms of the occupant. A central lower pocket for receiving the cuffed hands of the occupant is recessed into the seat back proximate the lower extremities of the channels. The belt restraint includes a cinching handle detachably mounted to the seat belt latching mechanism which can be detached from the latching mechanism and used to tighten the seat belt urging the occupant into engagement with the contoured seat back.
Patent CA-2301744-A1 (CA)
Inventor: BENALIKHOUDJA KARIM
IPC: B05B11/00
Filed: 1998-08-25
Abstract: La tête (i) comprend un corps dans lequel est formée une chambre ouverte (5) conique, comprenant un ajutage (9) délimité par une arête vive, en arrière duquel est pratiqué un perçage (8) d'amenée d'air sous pression et un ajutage (11) en arrière duquel est pratiqué en perçage (10) d'amenée de liquide à nébuliser, lequel est aspiré dans la chambre (5) sous l'effet de la dépression créée par le passage dans (5) du flux d'air depuis l'ajutage (9) vers l'ajutage de sortie (6) et étant finement fractionné et mélangé à ce flux d'air sous l'effet des turbulences régnant dans la chambre (5), laquelle est alignée avec la zone (8a) du perçage (8), l'axe longitudinal de symétrie de la zone du perçage (10), située en amont de l'ajutage (11) est contenu dans le plan géométrique de l'ajutage (9) en étant sécant et perpendiculaire à  l'axe de symétrie de la chambre.
Patent CA-2306020-A1 (CA)
Title: Polymer compositions
Inventor: KOZISKI KATHLEEN ANNE
IPC: C08F222/06
Filed: 2000-04-18
Abstract: The open time of a cementitious composition, such as a grout, may be increased by the incorporating therein, as a binder, a polymer composition comprising a film-forming copolymer formed by polymerisation of a monomer mixture comprising 1 to 3% of at least one monomer selected from the group of monomers consisting of amides of .alpha.,.beta.-unsaturated C3 to C6 carboxylic acids and N-vinyl lactams, and at least one hydroxy-(C1 to C8)alkyl (meth)acrylate monomer, wherein the total amount of these monomers is from 2 to 7.5% by weight of said monomer mixture.
Patent CA-2306476-A1 (CA)
Inventor: SHEPHERD SARA E
IPC: A61P31/04
Filed: 1998-10-14
Abstract: La majorité des isolats cliniques d'E. faecalis et d'E. faecium se divisent respectivement en deux et trois groupes. Des antigènes distincts sont associés à chacun des cinq groupes. Les antigènes d'Enterococcus, obtenus directement à partir de souches d'E. faecalis et d'E. faecium, peuvent induire la production d'anticorps protecteurs. Ces antigènes sont donc utiles pour fabriquer des vaccins qui protègent contre l'infection par des isolats d'Enterococcus cliniquement significatifs (pathogènes). Les antigènes et les anticorps produits par lesdits antigènes sont également utiles pour des analyses diagnostiques.
Patent CA-2307745-A1 (CA)
Title: Photodiode
Inventor: KUHARA YOSHIKI
IPC: H01L31/0352
Filed: 2000-05-08
Abstract: A photodiode (A) comprises a substrate, a light receiving layer having a ban d gap wavelength and including a pn-junction and at least an absorption layer havi ng a band gap wavelength .lambda. g. One of the absorption layers is sandwiched between th e substrate and the light receiving layer, the band gap wavelength .lambda. 2 of the absorption layer is shorter than the receiving signal wavelength .lambda. 2 but longer than noise wavelength .lambda. 1(.lambda. 1 < .lambda. g < .lambda. 2). Otherwise a photodiode (B) has two absorption layers epitaxially made on the  substrate. One absorption layer is formed on the top surface of the substrate. The other absorption layer is formed on the bottom surface of the substrate. The absorption layers annihilate the noise .lambda. 1. The PD has no sensitivity to .lambda. 1.