baber/WOPTO huggingface dataset:
Patent CA-2138099-A1 (CA)
Title: Enzymatic conversion of proteins using immobilized dictyostelium dipeptidylaminopeptidase
Inventor: ATKINSON PAUL R
IPC: C12N9/50
Filed: 1994-12-14
Abstract: The present invention concerns a novel process for using a recently discovered dipeptidylaminopeptidase isolated from the cellular slime mold, Dictyostelium discodeum (dDAP). The claimed process involves immobilizing dDAP onto a support surface so that even numbered, N-terminal dipeptides can be efficiently removed from precursor proteins or polypeptides to yield desired processed proteins or polypeptides.  The invention provides a means for reusing dDAP in multiple conversion reation runs, as the enzyme does not become a part of the substrate/product solution.  The claimed process is particularly useful for converting a precursor human proinsulin analog (Met-Arg-Human Proinsulin having Lys at position 28 and Pro at position 29 of the corresponding insulin B-chain; MR-KPB-hPI) to a processed insulin analog (Human Proinsulin having Lys at position 28 and Pro at position 29 of the corresponding insulin B-chain, KPB-hPI).
Patent CA-2139515-A1 (CA)
Title: Method for preventing zoster or alleviating varicella related post-herpetic neuralgia
Inventor: CALANDRA GARY B
IPC: A61K39/00
Filed: 1993-07-13
Abstract: Herpes Zoster, or varicella related post herpetic neuralgia is alleviated by immunizing people at risk of developing herpes zoster with varicella zoster virus (VZV) antigen.
Patent CA-2142957-A1 (CA)
Title: Spring unit for use in a pivot pin assembly
Inventor: HODSON RAYMOND W
IPC: F16F1/32
Filed: 1995-02-20
Abstract: A spring unit for installation in a pivot pin assembly. The spring unit including a pair of disc springs each with an axially centered aperture and each with, when in an uncompressed condition, a concave side and a convex side. Retaining means for retaining the pair of disc springs in an orientation such that the concave sides of the disc springs face each other. The retaining means includes a means for securing the disc springs to the retaining means such that the retaining means and the disc springs can be easily installed in the pivot pin assembly as a unit. The spring unit further includes a centering means provided on the retaining means and for centering the apertures of the disc springs about the pivot pin of the pivot pin assembly when the disc springs are in a compressed condition.
Patent CA-2143639-A1 (CA)
Title: Sterilizable endoscope with separable disposable tube assembly
Inventor: ADAIR EDWIN L
IPC: A61B1/012
Filed: 1993-08-27
Abstract: An endoscope has a sterilizable, elongated, optical capsule section and a separable, disposable, sterile channel section. The capsule has a window at a distal end in front of an image sensor. Image transmitting electronic cables, connected to the image sensor, extend proximally from the capsule. Light transmitting fibers extend from the window proximally for transmitting light to a site under investigation from a remote light source.      The cables and the fibers are housed in a common conduit connected to the proximal end of the capsule. The channel section has a distal end removably attached to the capsule and has plurality of longitudinal channels for transmitting fluids or for receiving an operative instrument. A flexible tube is connected to the proximal end of each channel for supplying fluid or for manipulating the operative instrument from a remote location. The separable section is disposable after use.      The capsule is sterilizable for reuse with another sterile separable section on the next patient. The separable channel section can be used with a conventional endoscope. The conventional endoscope can be covered with a sterile sheath to minimize resterilization thereof. An umbilicated balloon catheter or a telescopic catheter can be used to position the tethered endoscope in a passageway. Circumferentially spaced fluid vents can supply jets of gas or liquid selectively to position the endoscope. Alternatively, a magnet can be used for manipulating a capsule with a ferrous housing along a passageway by use of a strong magnet located exteriorally thereof.
Patent CA-2146576-A1 (CA)
Inventor: MCCULLOUGH MICHAEL T
IPC: E21F5/00
Filed: 1993-12-20
Abstract: A process of inerting the coal mine site formed by a coal cutting auger (16) at a coal face (14) to suppress methane/coal dust explosion includes introducing an inert gas to a site downstream of the coal face (14) in a sufficient volume to always replace the volume of coal carried from the coal face (14) by a conveyor (18, 20). The flow of coal by the conveyor (18, 20) is used to form the impetus to move the inert gas. The volume of inert gas is maintained sufficient to inhibit the ingress of oxygen bearing atmospheric air to the coal face (14). A leaky seal (56) may be used at the entrance to the coal face (14). The inert gas may be introduced by a conduit (34) arranged part way in the coal seam to form a separate duct extending in the coal seam to the mined cavity or by a duct (60) formed as in integral part of the coal conveyor (18, 20).
Patent CA-2147048-A1 (CA)
Title: Method for the preparation of ultra-pure bisphenol a and the use thereof
Inventor: WULFF CLAUS
IPC: C07C37/74
Filed: 1995-04-13
Abstract: The invention relates to a method for the purification by distillation of p,p-bisphenol A from the melt.            The p,p-bisphenol A melt thus obtained is highly heat-stable, stable in storage and colour-stable, is free from high-boiling components and no longer contains any surface-active or non-distillable metal, salt, acid or polymer components and no sulphur-containing components; o,p-BPA and phenol are removed and the low-boiling components are scarcely detectable.
Patent CA-2148193-A1 (CA)
Title: Process for preparing 2-amino-6-chloropurine and 2-acylamino-6-chloropurines
Inventor: SOBOTTA RAINER
IPC: B01J31/02
Filed: 1995-04-28
Abstract: The present invention relates to a new and improved process for preparing 2-amino-6-chloropurine and 2-acylamino-6-chloropurines.
Patent CA-2149450-A1 (CA)
Title: Composite building unit
Inventor: VAN DER HEIJDEN FRANCISCUS ANT
IPC: E04B2/02
Filed: 1995-05-16
Abstract: Generally, the present invention provides a composite building unit which includes at least one volume element and a support element. In a preferred embodiment two volume elements which are adapted to mated one to the other with a support element interposed therebetween. The support element is generally of a conforming configuration to the volume element, but includes on opposing sides a protuberance and recess, respectively, to assist in inner-connectability of the respective building unites. Additionally, the invention includes coupling elements which are adapted to couple or interlock the volume elements together to form walls or other types of partitions. The coupling elements are also used to mount decorating panels or architectural panels over the volume elements.
Patent CA-2150970-A1 (CA)
Inventor: BOADWINE W DANIEL
IPC: E05B63/00
Filed: 1995-06-05
Abstract: A deadbolt latch assembly capable of accommodating both rectangular faceplates and circular faceplates.  The latch housing assembly is provided with a semi-permanent rectangular faceplate assembly attached thereto, but which is removable with a prying tool to allow the housing to accommodate an alternative faceplate such as a circular faceplate.  The housing is manufactured of a thick walled steel casing to enclose and retain not only the latch but the latch extension as well, to thereby prevent the latch extension from flexing about the latch-extension joint.
Patent CA-2152043-A1 (CA)
Title: Tragus acupressure clip
Inventor: VOSS THEODORE
IPC: A61H39/04
Filed: 1993-12-20
Abstract: A clip (1) is disclosed which is attached to the tragus lobe of the ear. The clip (1) has a concave spring (2) with two opposing jaws (3, 4) separated by a slot (10) delincated by an inner surface of the concave spring (2). The clip (1) also has two opposing pressure pads (5, 6), each positioned on the end of a different jaw (31, 41), on the inner surface of the spring (2), so that they are separated by an opening (9) of the slot (10). The ear clip (1) additionally has two finger tabs (7, 8), each having one end (71, 81) attached to an end (31, 41) of a different jaw (3, 4), on an outer surface of the spring (2) and a second end (72, 82) extending away from the end (31, 41) of the jaw (3, 4) along the outer surface of the spring (2).
Patent CA-2154056-A1 (CA)
Title: Active vibration control method and apparatus
Inventor: SHOURESHI RAHMAT A
IPC: G05B13/02
Filed: 1995-07-17
Abstract: An improved active vibration control system using feedback and pseudo-feedforward sensor inputs is provided for solving the problem of random and repetitive active vibration control and noise cancellation in a system.  In a first embodiment of the invention, an artificial neural network is used for learning the dynamics of a structure and for providing output signals that follow the state variables of the structure.  In one implementation of the neural network, a plurality of neurons obtain biasing inputs derived from sensor inputs, as well as inputs from the other neurons in the network.  Further, each neuron obtains a feedback input from itself.  Each input to a neuron is weighted using a weighting function derived on-line.  The neural network supplies structure parameters and state variables to an optimal controller which derives and provides a control signal to the actuators so as to counteract vibrations and/or noise sensed in the system.  In a second embodiment an optimal controller utilizing a modified generalized predictive control algorithm is used to to consider the limitations on the physical characteristics of the actuator(s), on-line, in terms of the output level and the rate of change of the output in the system.  Additional embodiments wherein an optimized control signal is sent to the actuator(s) to minimize vibration incident to the structure are provided.
Patent CA-2155298-A1 (CA)
Title: Elevator car platform with several integrated functions
Inventor: SIRIGU GERARD
IPC: B66B11/02
Filed: 1995-08-02
Abstract: The invention concerns an elevator car platform. The platform includes a base constituted by a layer made of a light rigid composite material which is coated on its sides by two rigid skins, a sensitive layer acting as a load scale secured to the upper skin,  an insulating cushion made of an elastic material covering said sensitive layer  and  ensuring  the  acoustic  and  antivibratory insulations of the car,  a floor made of a light rigid material  and coated with two rigid skins,  said floor covering the entire surface of the  insulating cushion except for a zone having a constant width and extending along the entrance edge of the car, and a door-sill profile having the same dimensions as said zone and provided with an upper flat face on which grooves are formed for guiding the lower edges of the doors, said profile being fixed in said zone so that its upper face is substantially at the same level as the upper face of the floor. Figure 3.
Patent CA-2156103-A1 (CA)
Inventor: ERICKSON MICHAEL DAVID
IPC: A23D7/00
Filed: 1995-08-15
Abstract: The present invention relates to stick-type margarines and other spreads which contain no detectable levels of trans fatty acids or tropical oils and which possess the desired margarine or spread characteristics of butter-like appearance, flavor, and physical properties equivalent to stick-type margarine which do contain trans fatty acids or tropical oils.  The emulsified products of the present invention are a result of an interdependent system which includes the use of specific blends of co-interesterified liquid oils and hardstocks, the incorporation of special emulsifiers and preferably the use of non-traditional operating parameters.
Patent CA-2156935-A1 (CA)
Title: Methods of detecting collagen degradation in vivo
Inventor: EYRE DAVID R
IPC: C07K16/18
Filed: 1990-11-30
Abstract: Methods of determining collagen degradation in vivo, by quantitating the concentration of a peptide in a body fluid, the peptide being a C-terminal type II collagen telopeptibe containing a hydroxylysyl pyridinoline cross-link or a type III collagen telopeptide containing a hydroxylysyl pyridinoline crops-link.  Suitable methods include immunometric assay, fluorometric assays, and electrochemical titrations for quantitation. The structures of specific peptides having cross-links and kits for quantitating these peptides in a body fluid are described.
Patent CA-2157186-A1 (CA)
Title: Antidepressant dosage form
Inventor: EDGREN DAVID E
IPC: A61K31/135
Filed: 1994-05-27
Abstract: The invention pertains to a dosage form (10) and to administering an antidepressant medicament (16) for an extended period of time in a rate-known dose.
Patent CA-2158849-A1 (CA)
Inventor: POWER KEVIN JOSEPH
IPC: G10L17/02
Filed: 1994-03-25
Abstract: A recognition system comprising: input means for receiving a speech signal; recognition processing means for processing the speech signal to indicate its similarity to predetermined patterns to be recognised, said recognition processing means being arranged repeatedly to partition the speech signal into a pattern-containing portion and, preceding and following said pattern-containing portions, noise or silence portions, and to identify a pattern corresponding to said pattern containing portion; and output means for supplying a recognition signal indicating recognition of one of said patterns, characterised by pause detection means for detecting the noise or silence portion which follows the pattern-containing portion, and means, responsive to the detection thereof, arranged to supply a signal identifying the pattern currently corresponding to the pattern portion to the output means. Also provided are similarly operating rejection means.
Patent CA-2159960-A1 (CA)
Title: Seamless Door for Air Bag Module
Inventor: KELLEY SCOTT A
IPC: B60R21/2165
Filed: 1995-10-05
Abstract: A door assembly (40) includes a door panel (42) supported for pivotal movement on a frame (46,48) fixed to a vehicle (12). A body of foam material (50) includes a first portion (198) supported on the door panel (42) and a second portion (200,202) supported on the frame, interconnected by a frangible portion (206). A seamless skin (60) includes a first portion (214) covering the first foam portion and a second portion (212) covering the second foam portion. The first foam portion (198) moves with the door panel when the deploying air bag (34) pivots the door panel open. The second foam portion remains on the frame. The second portion of the skin peels away from the second foam portion, without tearing, when the door panel pivots open.
Patent CA-2161255-A1 (CA)
Title: Suppression of Radio Frequency Emissions
Inventor: HARGIS COLIN
IPC: H02K11/02
Filed: 1995-03-02
Abstract: In an electrical drive (10) and a method for the suppression of radio frequency emissions from an electrical drive of the kind comprising an electrical motor (11; 43; 43'; 101) supplied with electrical power via an electronic controller (12; 40; 40'; 102) having a high speed switching means which generates high frequency energy, an electrical screen (9; 9'; 14, 15, 16; 54; 61; 75; 101', 102, 103') is provided to receive the radio frequency energy and is connected back to the input side of high speed switching means.
Patent CA-2163992-A1 (CA)
Inventor: KILLMER DONALD H
IPC: B01F7/16
Filed: 1994-06-16
Abstract: Un appareil (20) de dispersion de bulles minuscules dans une matière résineuse liquide comporte des réservoirs (21) sous haute presion contenant une matière résineuse liquide (M) sous pression; un moyen (45) permettant d'envoyer ou moins un agent tel qu'un agent gonflant ou de nucléation dans la matière résineuse liquide; un moyen d'agitation (63) du mélange de matière résineuse liquide et de l'agent sélectionné dans le réservoir; un moyen permettant de cisailler (60) le mélange; et un moyen de commande (50) conçu pour déterminer la population de bulles d'agent dans le mélange et produire un signal de sortie destiné à commander le fonctionnement du moyen de cisaillement et à modifier la finesse de la dispersion de l'agent dans la matière résineuse liquide. L'invention concerne également un appareil (60) d'homogénéisation de la population de bulles dans un mélange de matière résineuse liquide et d'agents tels que les agents gonflants ou de nucléation liquides ou gazeux. Ledit appareil comporte un logement (71) présentant des admisssions (52, 110, 112, 115) et des sorties (100, 105, 111, 112), une première chambre (95) coopérant avec les admission pour l'introduction du mélange dans l'enveloppe, et au moins une pale (80A); au moins une chambre supplémentaire (95C) fournissant au moins une pale (80D) pour le pompage axial du mélange dans le logement; et un moyen de rotation des pales (72). L'invention se rapporte également à un procédé de dispersion des bulles minuscules dans une matière résineuse liquide comprenant les étapes consistant à retirer une certaine quantité de matière résineuse liquide et d'agent tel qu'un agent gonflant ou de nucléation liquide ou gazeux du réservoir d'alimentation; à commander le fonctionnement du moyen de cisaillement de la matière résineuse liquide et de l'agent gonflant dispersé, situé dans le réservoir d'alimentation de manière à modifier à volonté la taille et l'homogénéité des bulles d'agent gonflant; et à agiter le mélange de matière résineuse liquide et d'agent gonflant dispersé dans le réservoir par l'action du moyen de cisaillement de manière à obtenir une population uniforme et homogène de bulles dispersées dans la matière résineuse liquide. Des articles de moulage par injection et réaction remplis de gaz sont produits à partir d'une matière résineuse liquide présentant une gravité spécifique en vase ouvert de moins d'environ 0,45.
Patent CA-2164604-A1 (CA)
Title: Process for preparing perfluoroalkanesulfonyl fluorides
Inventor: HANSEN JOHN C
IPC: C25B3/28
Filed: 1994-05-20
Abstract: A process for preparing perfluoroalkanesulfonyl fluorides, e.g., perfluoromethanesulfonyl fluoride, comprises electrochemically fluroinating in the presence of anhydrous hydrogen fluoride at least one precursor compound selected from the group consisting of .alpha.,.beta.-difluoroalkane-.beta.-sultones, e.g., 1,1,2,2-tetrafluoroethane sultone, and the corresponding .alpha.-halocarbonylfluoroalkanesulfonyl halides, e.g., fluorocarbonyldifluoromethanesulfonyl fluoride. The process can be used to prepare perfluoroalkanesulfonyl fluorides in good yield and can be, for example, both more electrically-efficient and more fluorine-efficient than the conventional preparative method involving the electrochemical fluorination of hydrocarbon alkanesulfonyl halides.
Patent CA-2166313-A1 (CA)
Inventor: SIMONS JOHN N
IPC: G01N33/576
Filed: 1995-02-14
Abstract: Séquences d'acide nucléique et d'acides aminés du virus de l'hépatite GB (VHGB) utiles pour diverses applications dans le diagnostic et le traitement, kits pour la mise en oeuvre des séquences d'acides nucléiques et d'acides aminés du VHGB, particules immunogènes du VHGB et anticorps se liant spécifiquement au VHGB. L'invention décrit également des procédés pour la production d'anticorps polyclonaux ou monoclonaux à partir des séquences d'acides nucléiques ou d'acides aminés du VHGB.
Patent CA-2168055-A1 (CA)
Inventor: KU WANG-MINE
IPC: A63H33/00
Filed: 1996-01-25
Abstract: A spherical steering toy including a spherical housing, a mounting plate mounted inside the spherical housing and having wheels maintained perpendicularly in touch with the inside wall of the spherical housing, a servo-motor having an output shaft fastened the center of the mounting plate by a screw, a driving mechanism coupled to the servo-motor at one side opposite to the crossed frame, which driving mechanism including a reversible motor, a transmission gear train, and a wheel coupled to the reversible motor through the transmission gear train and rotated by it against the inside wall of the spherical housing, and a control circuit controlled by a remote controller to operate the servo-motor and the reversible motor, wherein starting the reversible motor causes the spherical housing to rotate forwards and backwards on a flat surface; starting the servo-motor causes the spherical housing to change the steering direction.
Patent CA-2169162-A1 (CA)
Title: Assay kit
Inventor: LEGAY FRANCOIS
IPC: G01N33/53
Filed: 1994-09-07
Abstract: A new method of measuring blood levels of immunophilin-binding pharmaceuticals; e.g., cyclosporins, rapamycins, and FK506 compounds, is provided, comprising the novel step of displacing the pharmaceutical from its immunophilin by using a binding competitor, thereby eliminating the need for an extraction step and enhancing the simplicity and accuracy of the assay. Assay kits comprising a binding competitor and a receptor, e.g., a monoclonal antibody, which binds to the pharmaceutical but not significantly to the binding competitor, are also provided, as are new uses of immunophilin-binding compounds as binding competitors in such assays.
Patent CA-2171381-A1 (CA)
Title: Handgun holster
Inventor: ROGERS WILLIAM H
IPC: F41C33/02
Filed: 1996-03-08
Abstract: A handgun holster having a pivotable semirigid safety strap which prevents withdrawal of the handgun until the strap is selectively released by a force on the strap from a detent by hand manipulation of the user in drawing the handgun after the strap has been pivoted away from the handgun.
Patent CA-2172010-A1 (CA)
Title: Subtitle data encoding/decoding method and apparatus and recording medium for the same
Inventor: TSUKAGOSHI IKUO
IPC: H04N5/445
Filed: 1996-03-18
Abstract: The subtitle data encoding apparatus according to the present invention is used in a video image transmission system. The apparatus creates loading blocks from relative position information by sampling an input bit stream at a frame interval. The loading block corresponds to a pixel data block and contains changeover position information which updates a change position, delays the update operation and sets the length of the delay. The address used to access a color lookup table for displaying subtitle data is changeable at the change position to access different display data stored therein. The pixel data block is encoded from subtitle data and the loading blocks and pixel data blocks are combined for transmission. The changeover position information can also be used to progress a color-wipe operation.
Patent CA-2172929-A1 (CA)
Inventor: KANO YOSHIMI
IPC: A61G10/00
Filed: 1996-03-28
Abstract: A portable enclosure system and method for providing a suitable breathing atmosphere therein includes a chamber. The chamber may assume a variety of shapes. An electric fan and filter assembly is provided and is attached to the chamber by way of a flexible air hose. The fan draws air into the fan and filter assembly and exhausts it into the air hose through a filter. The filtered air travels into the chamber thus providing a positive pressure within the chamber. The positive pressure within the chamber forces unwanted particulates out of the chamber by way of exhaust ports and prevents unwanted particulates from entering the chamber. In providing an enclosure filled with a suitable breathing environment, the chamber is placed on a substantially flat surface. The fan is turned on and the chamber is allowed to be purged of unwanted allergens. The fan remains on to maintain a positive pressure within the chamber and provide a steady supply of fresh filtered air.