baber/WOPTO huggingface dataset:
Patent CA-2270185-A1 (CA)
Title: Method of preparing a poorly crystalline calcium phosphate and methods of its use
Inventor: LEE DOSUK D
IPC: A61L24/00
Filed: 1997-10-16
Abstract: The present invention provides a novel process for producing a calcium phosphate cement or filler which hardens in a temperature dependent fashion in association with an endothermic reaction.    In the reaction a limited amount of water is mixed with dry calcium phosphate precursors to produce a hydrated precursor paste. Hardening of the paste occurs rapidly at body temperature and is accompanied by the conversion of one or more of the reactants to poorly crystalline apatitic calcium phosphate. The hardened cements, fillers, growth matrices, orthopedic and delivery devices of the invention are rapidly resorbable and stimulate hard tissue growth and healing. A composite material is provided including a strongly bioresorbable, poorly crystalline apatitic calcium phosphate composite and a supplementary material.  The supplementary material is in intimate contact with the hydroxyapatite material in an amount effective to impart a selected characteristic to the composite. The supplemental material may be biocompatible, bioresorbable or non-resorbable. A method for treating a bone defect also is provided by identifying a bone site suitable for receiving an implant, and introducing a strongly resorbable, poorly crystalline apatitic calcium phosphate at the implant site, whereby bone is formed at the implant site. The implant site may be a variety of sites, such as a tooth socket, non-union bone, bone prosthesis, an osteoporotic bone, an intervertebral space, an alveolar ridge or a bone fracture.
Patent CA-2272264-A1 (CA)
Inventor: COUNTERMAN WAYNE S
IPC: F28D19/04
Filed: 1997-10-14
Abstract: A heat transfer element (40) for a rotary regenerative preheater (10) has first and second heat transfer plates (50). The first heat transfer plate (50) defines a plurality of generally equidistantly laterally spaced apart parallel straight notches (52). Each notch (52) has adjacent double ridges (53) extending transversely from opposite sides of the first heat transfer plate (50). Undulations (56) extend between the notches (52). The second heat transfer plate (50) is adjacent the first heat transfer plate (50) and defines a plurality of generally equidistantly laterally spaced apart parallel straight flat sections (54). Undulations (56) extend between the flat sections (54) and the flat sections (54) are spaced apart a distance generally equal to the lateral spacing of the notches (52). The notches (52) of the first heat transfer plate (50) are in contact with the flat sections (54) of the second heat transfer plate (50) to define channels (58) therebetween.
Patent CA-2274933-A1 (CA)
Title: Dispositif de leurrage a l'encontre des torpilles a remontee de sillage
Inventor: GILLOT CHRISTINE
IPC: B63G9/02
Filed: 1998-10-07
Abstract: Dispositif de leurrage de torpille à suivi de sillage comportant un corps en un matériau effervescent réagissant avec l'eau de mer pour générer un nuage de bulles simulant un faux sillage (FS), caractérisé en ce qu'il présente une enveloppe en un matériau soluble dans l'eau de mer qui retarde la réaction du matériau effervescent avec l'eau de mer.
Patent CA-2275053-A1 (CA)
Inventor: KATIRAI BAHRAM
IPC: B64C39/02
Filed: 1999-06-22
Abstract: This invention relates to a pair of wings that enables one to fly by using one's own power.
Patent CA-2275544-A1 (CA)
Title: Peptides de lebetine utilises comme inhibiteurs de l'agregation plaquettaire
Inventor: ROCHAT HERVE
IPC: A61K38/00
Filed: 1997-12-30
Abstract: L'invention concerne des peptides de lebetine qui présentent la séquence d'acides aminés (X)¿m?NKPPKKGPPNG(CFGHKIDRIGSHSGLGCNKVDDNKG)¿n?(X)¿p? où m = 0 à 6, n = 0 ou 1, p = 0 à 4 et chaque X est un résidu d'acide aminé. Ces peptides sont des agents efficaces pour inhiber l'agrégation plaquettaire, et peuvent également être utiles pour traiter les thromboses ou les thrombo-embolies.
Patent CA-2275811-A1 (CA)
Title: Hydraulic compression system for seeder
Inventor: OPSETH DEREK CHRISTOPHER
IPC: A01C5/06
Filed: 1999-06-15
Abstract: A compression system for a dual material delivery assembly is described. The assembly includes a furrowing element for producing a furrow in the ground as it is towed across the ground. A fertilizer tube and a seed tube are provided for depositing fertilizer and seed at respective location in the ground. A packer wheel follows the tubes for packing earth on top of the seed. A biasing element provides a force on the furrowing element and the packer wheel. A control linkage mounts between the packer wheel and the furrowing element for controlling a distribution of the force between the furrowing element and the packer wheel.
Patent CA-2276052-A1 (CA)
Title: Locking device
Inventor: KUENG OTTO
IPC: E05B47/00
Filed: 1997-12-08
Abstract: A locking device for a lock cylinder (12) has an electronically controlled inhibiting element (2), which in an inhibit position (x s) blocks movement of a rotor (1) relative to a stator (6) and frees the rotor (1) in a free position (x F). A drive (9) exerts a working force (F A) on the inhibiting element (2), by which inhibiting element (2) can be reversibly transferred from the inhibit position (x s) into the free position (x F) and vice versa. A guide (52-57) is connected to the drive (9) and, at least outside the free position (x F), clearly defines the position of the inhibiting element (2). A  restoring device (3) exerts a restoring force (F R) directed away from the free position (x F) on the inhibiting element (2), when that element is between the free position (x F) and a rest position (x0). I n the rest position (x0) and in positions between the rest position (x0) and the free position (x F), the inhibiting element inhibits movement of the rotor (1). The locking device is resistant to external, undesired vibration and/or shock effects or magnetic action.
Patent CA-2277194-A1 (CA)
Title: A printer media supply spool adapted to allow the printer to sense type of media, and method of assembling same
Inventor: TEHRANCHI BABAK B
IPC: B41J35/36
Filed: 1999-07-07
Abstract: A printer media supply spool adapted to allow the printer to sense type of media (20), and method of assembling same. The supply spool comprises a shaft (310) having a supply of media ribbon (320) wound thereabout. A transceiver unit (330) is disposed proximate the shaft. The transceiver is capable of transmitting a first electromagnetic field (335) and sensing a second electromagnetic field (337). A transponder (340) including a semi-conductor chip is integrally connected to the shaft and has encoded data stored in the chip indicative of the type of media ribbon. The chip is capable of receiving the first electromagnetic field to power the chip and then generating the second electromagnetic field as the chip is powered. The second electromagnetic field is characteristic of the data stored in the chip. The transceiver unit senses the second electromagnetic field, which second electromagnetic field has the data subsumed therein.
Patent CA-2278494-A1 (CA)
Title: Method and device for the extrusion of a polymeric substance
Inventor: PLASMATI-LUECHINGER MARIA TERE
IPC: B29B7/74
Filed: 1998-01-09
Abstract: The polymeric substance delivery method and device, in which the outflow is determined from a first container (5) of a monomeric substance able to polymerize autonomously upon air contact, and eventually, the outflow from a second container (7) is determined of a hardening substance able to accelerate the polymerization of the monomeric substance, by sending the same hardening substance towards a mixing zone of the hardening substance with the same monomeric substance.
Patent CA-2278572-A1 (CA)
Title: Utilisation de composes phosphores perfluoroalkyl-substitues comme ligands pour la catalyse homogene dans du dioxyde de carbone sur-critique
Inventor: SIX CHRISTIAN
IPC: C07F9/50
Filed: 1997-12-23
Abstract: L'invention concerne l'utilisation de composés phosphorés renfermant une ou plusieurs chaînes perfluoroalkyle, de formule générale R?1¿ [R?1¿ = (CH¿2?)¿x?(CF¿2?)¿y?E (E = F, H, x = 0 - 4, y = 2 - 12)], comme catalyseurs ou constituants de catalyseurs dans un mélange réactionnel contenant essentiellement des produits en réaction, le catalyseur et du dioxyde de carbone à l'état sur-critique (scCO¿2?). En particulier, on a trouvé que l'introduction de chaînes latérales perfluoroalkyle R?1¿ dans le reste alkyle de composés arylphosphorés insolubles ou difficilement solubles conduisait à une amélioration notable de leur solubilité dans scCO¿2?, laquelle dépasse même, de façon surprenante, la solubilité des composés alkylphosphorés solubles connus. L'invention concerne en outre l'utilisation de tels mélanges réactionnels pour l'hydrogénation chimio-sélective des polyènes en monoènes pour l'hydroformylation des oléfines, pour l'hydrogénation énantio-sélective des imines et pour des réactions de liaison C-C.
Patent CA-2279672-A1 (CA)
Inventor: LEMMEYER GARY
IPC: B60N2/75
Filed: 1999-08-06
Abstract: A car seat is constructed to be adaptable for use by children within the toddler-size range and the youth-size range. In particular, the car seat includes cam-shaped arm rests which can be rotated about an axis roughly parallel to a seat bottom, with the rotation resulting in supporting surfaces at, different heights relative to the seat bottom. In addition, the car seat has a base portion which allows a seat body to be reclined relative to the base portion, and a five-point harness which is easily removed or adjusted for children of varying heights. The car seat also has a moveable or removable head support. The car seat can be adjusted for children of varying heights and weights, avoiding the costs of multiple car seats for different sized children.
Patent CA-2280574-A1 (CA)
Title: Network presence indicator for communications management
Inventor: BRISEBOIS MICHEL A
IPC: H04L12/24
Filed: 1999-08-20
Abstract: To provide telephony-like interfaces to a computer network, a computer system has a visual display device that continually displays a network status icon indicating network status information. The icon can have segments corresponding to different communications environments, and the icon and the segments will change some characteristic, such as shape, size, or color, to indicate the presence of some network event or the status of some network parameter.
Patent CA-2280816-A1 (CA)
Title: Power lift basketball adjustment system
Inventor: WINTER DAVID C
IPC: A63B63/08
Filed: 1998-02-09
Abstract: A basketball goal assembly includes a deformable parallelogrammic structure (12) attached at one end to a rigid support (22) and to a basketball goal (20) at the other end. An adjustment lever (240) is pivotally mounted to the rigid support below the parallelogrammic structure. An extension arm (26) is positioned between the parallelogrammic structure and the adjustment lever such that movement of the adjustment lever deforms the parallelogrammic structure which repositions the basketball goal to a different height above the playing surface. A lockable piston assembly (33) is attached to the rigid support and to the adjustment lever. The piston assembly includes a switch which locks the piston assembly preventing the parallelogrammic structure from deforming. An actuation trigger (42) pivotally connected to the adjustment lever can be engaged to move the switch to an unlocked position thereby allowing the height of the basketball goal to be adjusted.
Patent CA-2282643-A1 (CA)
Inventor: PULMAN DAVID A
IPC: C07D513/04
Filed: 1998-01-14
Abstract: La présente invention concerne un composé représenté par la formule générale (I) ou son sel. Dans cette formule, X et Y sont indépendamment hydrogène, halogène, cyano, nitro ou (C¿1-6?)haloalkyle; Z est oxygène ou soufre; Q est choisi parmi les différents groupes représentés par les formules spécifiques Q¿1? à Q¿9?; R¿1? est halogène, R¿2?, R¿3?, R¿4? et R¿5? sont indépendamment hydrogène, (C¿1-6?)alkyle ou (C¿1-6?)haloalkyle; lorsque R¿3? et R¿5? sont pris ensemble avec les atomes auxquels ils sont liés, ils représentent un cycle, substitué ou non substitué, de 4 à 7 branches, éventuellement interrompu par O, S(O)¿n? ou N-R¿4?, et éventuellement substitué par 1 à 3 groupes (C¿1-6?)alkyle ou au moins un atome halogène; R¿6? est hydrogène, (C¿1-6?)alkyle, (C¿2-6?)alcényle, (C¿2-6?)alkynyle, (C¿2-6?)haloalkyle, (C¿2-6?)alkyle, (C¿2-6?)haloalcényle, (C¿2-6?)haloalkynyle, (C¿1-6?)cyanoalkyle, (C¿1-6?)alcoxy-(C¿1-6?)alkyle ou (C¿1-6?)alkylthio-(C¿1-6?)alkyle; A¿1? et A¿2? sont indépendamment oxygène ou soufre; B est CH ou N; R¿7? et R¿8? sont chacun indépendamment hydrogène, (C¿1-6?)alkyle éventuellement substitué par au moins un atome halogène, ou (C¿3?-C¿6?)cycloalkyle éventuellement substitué par au moins un atome halogène, mais lorsque R¿7? et R¿8? sont pris ensemble avec les atomes auxquels ils sont liés, ils représentent un cycle, substitué ou non substitué, de 4 à 7 branches, éventuellement interrompu par O, S(O)¿n? ou N-R¿4?, et éventuellement substitué par 1 à 3 groupes (C¿1-6?)alkyle ou au moins un atome halogène; n est un entier valant 0, 1 ou 2; R¿9? et R¿10? sont hydrogène, (C¿1-6?)alkyle, acyle, ou (C¿1-6?)alkylsulfonyle, mais R¿9? et R¿10? peuvent former un cycle constitué de polyméthylène, groupes (CH¿2?)¿m?, où m est un entier valant 2, 3, 4 ou 5, ensemble avec l'atome d'azote du NR¿9?R¿10?, qui peut avoir ou ne par avoir de substituant (C¿1-6?)alkyle. Ar est un cycle aryle ou hétéroaryle substitué ou non substitué; lorsque Q est Q¿3? ou Q¿6?, le phényle substitué est exclu. Ce composé convient particulièrement pour la lutte contre les mauvaises herbes.
Patent CA-2283248-A1 (CA)
Inventor: NILSSON JOHN THORLEIF
IPC: A61K6/884
Filed: 1998-03-12
Abstract: A compactor for placing light-curable filling material (5) in connection with dental treatment, especially for filling a cavity in a tooth which is contiguous with an adjacent tooth, the compactor (6) in the longitudinal direction having a tapering, conical shape; the end which is to be pressed down in the filling has in cross section a square, rounded shape; one of the longitudinal side faces is concave in form (12), whilst the opposite side face is convex in form (13), and in the end which is furthest from the filling, the compactor is equipped with an opening (11) and hole (7) for connection to a handle, e.g., an amalgam plugger (8).
Patent CA-2283342-A1 (CA)
Title: Reduction of metal stresses in delayed coking drums
Inventor: NELSEN DAVID K
IPC: C10B1/04
Filed: 1998-06-11
Abstract: The metal stresses in a delayed coke drum (10) are reduced by externally cooling the coke drum (10) near the junction of the drum shell (44) and the supporting skirt (38) thereof during the quench step. This reduces the metal stresses at the area around the welds (22) of the drum skirt (38).
Patent CA-2283366-A1 (CA)
Title: Disposable pull-on diaper
Inventor: SHIMOE NARIAKI
IPC: A61F13/514
Filed: 1999-09-24
Abstract: A disposable pull-on diaper 1 includes a topsheet 2, a backsheet 3 and an absorbent core 4 disposed therebetween.      In any one of front and rear waist regions 6, 7 of the diaper 1, second elastic members 21 are disposed between the core 4 and the backsheet 3 to extend under tension circumferentially of the waist region and secured to the inner surface of the backsheet 3 only at their portions extending outward beyond transversely opposite side edges 23, 23.
Patent CA-2284082-A1 (CA)
Inventor: WINTER DAVID P
IPC: F16K31/08
Filed: 1998-02-24
Abstract: The exhalation valve (10) includes a valve housing (12) with a valve seat (20) having an annular shoulder (22), and a valve poppet (26) having a face (25) with a corresponding annular groove (24). A  soft flexible diaphragm seal (28) disposed between the face (25) of the valve poppet (26) and the valve seat (20) provides a suspended soft seal (28), ensuring perpendicularity in the valve seal (28) for improved accuracy of valve (10) operation. An annular permanent magnet (60) and an annular magnetic ring (62) are disposed around and spaced apart from a magnetic body (36) to define an air gap (64) in which an electromagnetic coil (66) is disposed. The electromagnetic coil (66) is connected to a control mechanism (74) by a flexible circuit connector (73) that is sufficiently slack that provides minimal force transverse to the longitudinal axis of the valve (10). An assembly is provided for adjusting uniformity of the air gap (64) and of concentricity of magnetic body (36) and shaft (32) of the poppet (26), and the control mechanism (74) adjusts the current supplied to the electromagnetic coil (66), compensating for changes in the magnetic field strength of the valve (10) due to changes in temperature, velocity of the valve poppet (26), and patient airway pressure. A flexible diaphragm (44) is also connected between the valve poppet (26) and magnetic body (36) to prevent cross-contamination between the exhalation valve (10) and breathing gas.
Patent CA-2284854-A1 (CA)
Title: Circulating fluidized bed reactor with floored internal primary particle separator
Inventor: MARYAMCHIK MIKHAIL
IPC: B01D45/08
Filed: 1999-10-05
Abstract: A CFB reactor or combustor having an impact type primary particle separator collects solids particles from a flow of flue gas/solids and returns the collected particles along an inclined or substantially horizontal planar floor to a bottom portion of the reactor or combustor for subsequent recirculation.
Patent CA-2285308-A1 (CA)
Title: Preparation and use of iminodisuccinic acid salts
Inventor: ROICK THOMAS
IPC: D21C9/10
Filed: 1998-03-23
Abstract: Iminodisuccinic acid alkaline salts can be prepared by reacting maleic acid anhydride (MAA), alkali metal hydroxide (MeOH), NH3 and water in a molar ratio of MAA : MeOH : NH3 : H2O = 2 : 0.1 - 4 : 1.1 - 6.5 : 5 - 30 at 70 - 170 °C and 1 - 80 bar for 0.1 --100 hours. The reaction mixture is mixed with additional H2O and optionally MeOH and is freed distillatively of NH3 at 50-170°C and 0.1-50 bar and then set at a solids content of 5 - 60 weight % using H2O. The iminodisuccinic acid alkaline salts can be used to increase the brightness and brilliance of plant fibres in paper manufacture.
Patent CA-2285323-A1 (CA)
Title: Gestion de largeur de bande dans un systeme de communications personnel sans fil heterogene
Inventor: KERNS ROBERT Q
IPC: H04J3/16
Filed: 1998-03-31
Abstract: L'invention porte sur des techniques de gestion de largeur de bande pouvant être appliquées dans des systèmes de communications personnels sans fil, hétérogènes, et conçues pour réduire et éliminer des interférences entre des unités de communications personnelles différentes. Ces unités de types divers sont, par exemple, des appareils auditifs, des casques téléphoniques et des casques multimédia. Une ressource de largeur de bande est partagée entre plusieurs systèmes de communications autonomes dans lesquels une unité de traitement à distance et une paire de casque sont couplés par une liaison de communications sans fil à segmentation temporelle. Une des paires de ces dispositifs transmet des informations en temps réel à l'autre dispositif de la paire de dispositifs. Lorsqu'on rencontre des difficultés à la réception des informations en temps réel à cause des interférences provenant d'une paire de dispositifs différents, plusieurs mesures différentes peuvent être appliquées telles que des réglages physiques du type diversité (dans un système HF) et/ou régulation de puissance. Si ces réglages sont insuffisants, une procédure de connexion provisoire peut être effectuée au cours de laquelle la paire de dispositifs est provisoirement raccordée à une partie différente de la ressource de largeur de bande déterminée à libérer. Une première procédure de négociation peut être effectuée au cours de laquelle l'unité de traitement à distance aligne sa base de temps sur celle d'une autre unité de traitement à distance sélectionnée. Une seconde procédure de négociation peut également être effectuée au cours de laquelle l'unité de traitement à distance et le casque s'accordent pour cesser d'échanger des informations audio dans une ou plusieurs tranches de temps données.
Patent CA-2285906-A1 (CA)
Title: Hydroxamic acid derivatives
Inventor: JACKSON PAUL F
IPC: A61P13/08
Filed: 1998-04-02
Abstract: The present invention relates to hydroxamic acid derivatives of formula (I) or a pharmaceutically acceptable salt or hydrate thereof, wherein X is (II) or (III); Y is CR1R2, NR3 or O; R, R1, R2 and R3 are independently selected from the group consisting of hydrogen, C1-C9 straight or branched chain alkyl, C2C9 straight or branched chain alkenyl, C3-C9 cycloalkyl, C5-C7 cycloalkenyl and Ar, pharmaceutical compositions comprising such derivatives, and methods of using such derivatives to inhibit NAALADase activity, to treat a glutamate abnormality and to treat a prostate disease in an animal.
Patent CA-2285968-A1 (CA)
Inventor: THURMOND JENNIFER
IPC: A23L1/30
Filed: 1998-04-10
Abstract: The present invention relates to fatty acid desaturases able to catalyze the conversion of oleic acid to linoleic acid, linoleic acid to .gamma.-linolenic acid, or of alpha-linolenic acid to stearidonic acid. Nucleic acid sequences encoding desaturases, nucleic acid sequences which hybridize thereto, DNA  constructs comprising a desaturase gene, and recombinant host microorganism or animal expressing increased levels of a desaturase are described. Methods for desaturating a fatty acid and for producing a desaturated fatty acid by expressing increased levels of a desaturase are disclosed. Fatty acids, and oils containing them, which have been desaturated by a desaturase produced by recombinant host microorganisms or animals are provided. Pharmaceutical compositions, infant formulas or dietary supplements containing fatty acids which have been desaturated by a desaturase produced by a recombinant host microorganism or animal also are described.
Patent CA-2286344-A1 (CA)
Inventor: CHENEBAUX DENIS MARIE BERNARD
IPC: A61K39/00
Filed: 1998-04-06
Abstract: Synthetic peptides of the monomer type with 13 to 33 amino acids, in linear form or in a form cyclized by means of inter-cysteine disulphide bridges, have the general formula (I): Δ-Z-TrpGlyCys-Θ-CysTyrThrSer-Ω  (I) wherein Δ is a biotinyl radical, a biocytinyl radical, a hydrogen atom, an acetyl (CH3CO—) radical, an aliphatic chain which may contain one or two thiol, an aldehyde functional group, or an amine functional group, Z represents peptide sequence -Ξ1-Ser-Ξ2-, -Ξ1-Gln-Ξ2-, or -Ξ1-Asn-Ξ2-, wherein -Ξ1 represents a peptide sequence of 0 to 9 amino acids and -Ξ2 represents a peptide sequence of 0 to 5 amino acids, Θis -Arg Gly Arg Leu Ile-(SEQ ID NO: 15), -Arg Gly Arg Leu Val-(SEQ ID NO: 16), -Arg Gly Lys Leu Ile-(SEQ ID NO: 17), -Arg Gly Lys Leu Val-(SEQ ID NO: 18), -Lys Gly Arg Leu Ile-(SEQ ID NO: 19), or -Lys Gly Arg Leu Val-(SEQ ID NO: 20), Ω, attached to the —CO— group of serine, is a hydroxyl (—OH) radical, an amino (—NH2) radical, an alkoxy radical having 1 to 6 carbon atoms, a peptide sequence of formula Val-Σ-Ψ wherein Σ represents a sequence of formula -(AA1)-Trp Asn-(AA2)-(AA3) wherein (AA1) represents an amino acid different from lysine, (AA2) represents an amino acid, and (AA3) is serine or a threonine residue, and Ψ, attached to the —CO— residue of the free AA3 amino acid, is OH, NH2, or an alkoxy radical having from 1 to 6 carbon atoms, and a peptide sequence of formula -Val-Ψ wherein Ψ, attached to the —CO— residue of valine, is OH, NH2, or an alkoxy radical having from 1 to 6 carbon atoms.
Patent CA-2288762-A1 (CA)
Inventor: MERINO MUNOZ ALBERTO
IPC: A47F3/06
Filed: 1999-03-09
Abstract: The device comprises platforms which are intended to place the miniature figures in guides designed to receive the dovetailed bases of the figures. With the disclosed device, it is possible to store collections of figures and further decorate the assembly.