baber/WOPTO huggingface dataset:
Patent CA-2138881-A1 (CA)
Inventor: TRAVERS CHRISTINE
IPC: C10G35/09
Filed: 1994-12-22
Abstract: L'invention concerne un procédé pour l'isomérisation squelettale des n-oléfines renfermant de 4 à 20 atomes de carbone, consistant à mettre en contact une charge contenant des oléfines avec un catalyseur préparé à partir d'une matière à base d'alumine que l'on traite avec un polyorganosiloxane et que l'on soumet ensuite à un traitement thermique. La quantité de silice introduite est généralement comprise entre 0,05 et 15% en poids.
Patent CA-2138934-A1 (CA)
Inventor: DAUTH JOCHEN
IPC: C08G77/48
Filed: 1994-12-22
Abstract: The invention relates to partially crosslinked organopoly-siloxanes which contain a radical forming group, a base-catalyzed process for their preparation, graft copolymers produced from these organopolysiloxanes and a process for the preparation of the graft copolymers.  The present invention avoids problems related to known methods wherein a considerable portion of the organo-polymer chains do not graft to the organopolysiloxane graft back-bone but remain as an unattached homopolymers.
Patent CA-2139814-A1 (CA)
Inventor: BAYART DOMINIQUE
IPC: H04B10/294
Filed: 1995-01-09
Abstract: The amplifier (6) includes an optical guide (10), which is connected in series to an optical line (4), and receives the multiplex input signal coming down the line. The guide is made of a doped optical fibre or a mono-crystalline semiconductor wafer. two laser diodes (12,14) generate beams at a wavelength of 1480 nm which are injected in the guide via two multiplexers (32,34). An optical coupler (16) extracts a sample of the light amplified in the guide which is then detected by a photodiode (18). the photodiode is connected to an amplifier which controls the power supply of the two laser diodes.
Patent CA-2140155-A1 (CA)
Title: Homogeneous polymer blends comprising rigid rod shaped polymers and flexible polymers
Inventor: EISENBACH CLAUS D
IPC: C08L65/02
Filed: 1995-01-13
Abstract: A homogeneous polymer blend is disclosed containing components A and B. Accordingly A is about 1 to 30% by weight of a rigid, rod-shaped polymer having a persistence length of at least 10 nm and a ratio of molecular length to molecular diameter of at least 30, and B) is about 70 to 99% by weight of a flexible polymer which contains at least one member selected from the group consisting of non-ionic polar groups, ionic groups and groups convertible into ions. The flexible polymer is any one of polyolefins, polyacrylates, polyamides and polyurethanes. Component A) contains at least one chemically fixed member selected from the group consisting of non-ionic polar group, ionic group and a group convertible into ionic group, in an amount sufficient to render said A) and B) compatible one with the other.
Patent CA-2140687-A1 (CA)
Title: Low calorie foodstuffs, comprising a mesomorphic phase of surfactants
Inventor: GAUTCHIER PETER M
IPC: A23L9/20
Filed: 1995-01-20
Abstract: Mesomorphic phases of edible surfactants can advantageously be used in preparing sandwich cookie filler creams and compostions for incorporation therewith to provide for example structuring or  fat-replacement.  Preferably the mesomorphic  phases  are present as bulk phases. The mesomorphic phases may also be used in frostings.  Preferred mesomorphic phases for filler creams, frostings and other finished foodstuffs include 8% or more nonionic surfactant.
Patent CA-2140828-A1 (CA)
Inventor: AZAR MICHAEL G
IPC: E21B10/573
Filed: 1995-01-23
Abstract: A diamond drag bit is disclosed that utilizes stud type PDC cutters that have dome shaped polycrystalline diamond depth of penetration limiters fused to the tungsten carbide surface trailing the PDC compact disc. This cutter penetration limiting diamond dome surface acts as an impact or shock absorber to minimize the impact damage to the PDC cutter when drilling laminated hard and soft rock formations.
Patent CA-2143848-A1 (CA)
Title: Complex combinatorial chemical libraries encoded with tags
Inventor: STILL W CLARK
IPC: G01N33/532
Filed: 1993-10-01
Abstract: Encoded combinatorial chemistry is provided, where sequential synthetic schemes are recorded using organic molecules, which define choice of reactant, and stage, as the same or different bit of information. Various products can be produced in the multi-stage synthesis, such as oligomers and synthetic non-repetitive organic molecules. Conveniently, nested families of com-pounds can be employed as identifiers, where number and/or position of a substituent define the choice. Alternatively, detectable functionalities may be employed, such as radioisotopes, fluorescers, halogens, and the like, where presence and ratios of two dif-ferent groups can be used to define stage or choice. Particularly, pluralities of identifiers may be used to provide a binary or high-er code, so as to define a plurality of choices with only a few detachable tags. The particles may be screened for a characteristic of interest, particularly binding affinity, where the products may be detached from the particle or retained on the particle. The reac-tion history of the particles which are positive for the characteristic can be determined by the release of the tags and analysis to define the reaction history of the particle.
Patent CA-2145825-A1 (CA)
Title: Floor Hockey Puck
Inventor: NORDQUIST STEPHEN R
IPC: A63B67/14
Filed: 1995-03-29
Abstract: A floor hockey puck has a core of visco-elastic polymer enveloped in a durable, low friction casing. The visco-elastic polymer approximates the weight, momentum and feel of an ice hockey puck but presents less danger of impact injury.
Patent CA-2147001-A1 (CA)
Title: Percutaneous vascular sealing apparatus and method
Inventor: TAYMOR-LURIA HOWARD
IPC: A61B18/08
Filed: 1993-09-15
Abstract: A percutaneous vascular sealing assembly (30) for sealing a puncture opening (17) in a blood vessel (16) following an inva-sive medical procedure. The sealing assembly includes an elongated tubular shaft (32) having a distal end (36) carrying an elec-trosurgical sealing assembly (34). An energy source assembly (38) is connected to the sealing assembly (34) to enable hemostasis of the puncture site. An associated method for percutaneous positioning of the sealing assembly (30) in substantially direct en-gagement with the blood vessel (16) at the puncture (17) following a medical procedure is provided. The method includes the steps of aligning guide means (12, 28) in axial alignment with the puncture, mounting the sealing assembly (30) for movement along the guide means (12, 28), and moving at least one of the sealing assembly (30) and guide means (12, 28) until a transverse shoulder (20, 36) encounters increased resistance to movement toward the blood vessel (16) by reason of engaging the exterior surface (40) of the blood vessel (16).
Patent CA-2147173-A1 (CA)
Title: Mixing device in pulping
Inventor: VUORINEN TIMO
IPC: D21B1/34
Filed: 1993-10-11
Abstract: A device for use in a pulping process comprises first and second pulping units for processing feed material. A flow path connects the first pulping unit to the second pulping unit for transporting material between the units. The second pulping unit has devices for separating pulped material into a first material component comprising waste matter collected at the bottom of the second pulping unit, a second material component comprising sieved pulped material and third material component comprising unsieved pulped material. The second and third material component are separated from the first material component and are transported as a unitary flow to a primary space.  Mixing and sieving devices are located in the primary space for separating the second material component from the first material component. The second material component comprises material which passes the sieving device and the third material component comprises material which does not pass the sieving device. A third material component transfer device transfers the third material component to a pre-sieving for further processing and an outlet assembly transfers the second material component downstream of the sieving device.
Patent CA-2149721-A1 (CA)
Title: Process of producing phosphate coatings on metals
Inventor: VEY RUDOLPH
IPC: C23C22/13
Filed: 1995-05-18
Abstract: Disclosed is a process of producing a phosphate coating on a metal having a surface which consists at least in part of iron or steel, a phosphatizing solution for use in the process and a concentrate for forming and/or replenishing the solution.  The metal is contacted at a temperature in the range from 30 to 65°C with a phosphatizing solution which contains about 5 to about 25 g/l zinc, about .5 to about 5 g/l of magnesium, about 0.1 to about 13 g/l iron(II), about 5 to about 40 g/l phosphate (calculated as P2O5), about 5 to about 50 g/l nitrate, and about 0.5 to about 5 g/l fluoroborate (calculated as BF4).  The solution has been adjusted to weight ratios of Zn : P2O5 = (0.5 to 3) : 1 and of Mg : Zn = (0.04 to 0.5) : 1 and to a ratio of free acid to total acid of (0.04 to 0.2) : 1.  The process is particularly suitable for preparing metals for cold working.
Patent CA-2150253-A1 (CA)
Title: Injection cartridge
Inventor: HJERTMAN BIRGER
IPC: A61M5/19
Filed: 1994-10-10
Abstract: An injection cartridge (1) of the dual-chamber type has a bypass connection (12) between its two chambers (9, 10) which is arranged such that the interior wall of the cartridge is modified in a predetermined area in such a way that the movable wall (11) between the two chambers does not seal completely against the interior wall in said area. According to the invention, the modification of said wall is arranged as a plurality of lands and grooves (12) which have a direction that is inclined in relation to the longitudinal axis of the cartridge barrel.
Patent CA-2152231-A1 (CA)
Inventor: BARBE JACQUES
IPC: B22D11/04
Filed: 1995-06-20
Abstract: Le dispositif comporte deux cylindres (1) contrarotatifs refroidis, deux parois d'obturation latérale (3) et des moyens de support et d'application en pression des dites parois d'obturation contre les chants (2) des cylindres, une plaque de poussée (10) mobile selon la direction axiale (A) des cylindres et disposée perpendiculairement à cette direction, une platine (19), qui supporte la paroi d'obturation (3) et qui est portée par la plaque de poussée (10) et disposée en face de celle-ci, au moins trois organes de poussée, tels que des ressorts (14), interposés entre la plaque de poussée (10) et la platine (19), ces organes étant répartis sur une zone de forme correspondant à celle de la paroi d'obturation (3), et pouvant exercer sur celle-ci des efforts de poussée indépendamment l'un de l'autre. Application à la coulée continue entre cylindres de bandes minces en acier.
Patent CA-2153644-A1 (CA)
Inventor: MOODY JOHN R
IPC: B65H19/30
Filed: 1995-07-11
Abstract: A system of forming a coreless roll paper product in which an elongated coreless paper roll is cut into segments by a saw. Prior to being cut from the elongated coreless paper roll, each roll segment is positioned on a support shaft located on a rotatable turret. The roll segment is severed while being supported by both an elongated mandrel and the support shaft, the blade passing through a space between the mandrel and support shaft. The turret has a number of spaced support shafts projecting therefrom, and rotation of the turret simultaneously brings the support shafts to various locations so that various steps in the operation are performed seriatim and simultaneously.
Patent CA-2153799-A1 (CA)
Title: Sprayable composition and method for forming a foamed outdoor protective cover layer
Inventor: NACHTMAN THOMAS J
IPC: B65G69/00
Filed: 1994-01-13
Abstract: A sprayable composition and a method of protecting material with the composition is disclosed. The composition comprises a bulking/setting material, a water soluble polymer and water to provide a cover layer which, after spraying, is tough, flexible and water-repellent. Other materials such as clay, fibrous material, a foam producing agent and a hardening retarder can be included in the composition. The composition is effective as a cover layer over material such as soil, refuse at a dump site, stockpiled material, a temporary cover for remediation sites, or tire piles.
Patent CA-2157510-A1 (CA)
Inventor: GREY HOWARD M
IPC: C07K14/02
Filed: 1994-03-04
Abstract: L'invention se rapporte à des moyens et à des procédés pour sélectionner des peptides immunogènes et aux compositions de peptides immunogènes capables de se lier spécifiquement à des glycoprotéines codées par l'allèle HLA-A2.1 et d'induire une activation des lymphocytes T dans des lymphocytes T restreints par l'allèle A2.1. Ces peptides sont utiles pour déclencher une réponse immunitaire contre un antigène désiré.
Patent CA-2157560-A1 (CA)
Inventor: MELTON SCOTT
IPC: B26B19/06
Filed: 1995-09-05
Abstract: A hair clipper including a handle portion (12) having a drive end (14) with a first coupler formation (30), a blade assembly (40) having a housing (42) at least partially enclosing a reciprocating blade (90) and a fixed blade (86), and having a second coupler formation (48) for engaging the first coupler formation (30), said first and second coupler formations forming a ball-and-socket connection. <IMAGE>
Patent CA-2160254-A1 (CA)
Title: Workbench, Especially a Teaching Aid in the Form of an Ergonomically Designed Multi-Purpose Workbench
Inventor: THORMEIER KLAUS
IPC: B25H1/08
Filed: 1994-03-31
Abstract: A workbench which is to be used especially as a teaching aid in the form of an ergonomically designed multi-purpose workbench for use in handicraft training is to have vice workstations which can easily be converted for left or right-handed people.  In particular, it is to be possible for workstations for left and right-handers easily to be arranged on one and the same workbench.   This is achieved by a vice which can be clamped to the worktop of the workbench via a spindle fitted centrally on the vice. The centric spindle arrangement makes it easy to convert the vices for right and left-handed operation via spindle supports arranged on both sides on the corner of the workbench or workstation.  The vices are turned simply by rotation through 180°.  In addition, suitably distributed apertures to take bench clamps for the vices facilitate zero or low-torque three-point clamping of workpieces. Auxiliary tools can easily be fitted and secured on the workbench.
Patent CA-2167206-A1 (CA)
Title: Basket-style carrier with retainer tabs
IPC: B65D71/58
Filed: 1995-02-27
Abstract: A basket-style carrier (10) with means for maintaining the carrier open during loading (66, 70, 80). The carrier includes tabs (66, 70, 80) foldably connected to the end panel sections (58, 82) at one end of the carrier. When the tabs are folded in at substantially right angles to the end panel sections, they engage a vertical support member (14, 74) to prevent the carrier from closing. When the articles being loaded reach the tabs, they fold the tabs up against the inside face of the end panel sections. The articles themselves maintain the carriers open at that point and the tabs are no longer needed for that purpose.
Patent CA-2167277-A1 (CA)
Inventor: HAMMEKE MICHAEL N
IPC: E21B43/12
Filed: 1995-01-05
Abstract: Formation injection tool (10) disposable in production well casing (C) includes upper intake flow control assembly (24), middle seal mechanism (26), and lower discharge flow control device (28).  Upper intake flow control assembly (24) is attached to a lower end of pump (12) extending downward within well casing (C) past and below upper productive formation (P).  In response to upstroke of pump (12), upper intake flow control assembly (24) permits one-way flow of undesired heavier fluid, such as water, from upper productive formation (P) downwardly and into upper intake flow control assembly (24) concurrently as desired lighter fluid, such as oil and/or gas, flows from upper productive formation (P) upwardly within well casing (C) to ground surface (G).  Middle seal mechanism (26) establishes a closure seal within well casing (C) between upper productive formation (P) and lower disposal formation (D). In response to downstroke of pump (12), lower discharge flow control device(28) permits only one-way flow of the undesired heavier fluid from upper intake flow control assembly (24), downwardly through middle seal mechanism (26), and from lower discharge flow control device (28) to lower disposal formation (D).
Patent CA-2169685-A1 (CA)
Inventor: MARQUIS GUILLAUME
IPC: F15B13/042
Filed: 1996-02-16
Abstract: The  drain  valve  is  used  with  a  reciprocating mechanism. It comprises a housing having an internal cavity and in which a spool is movable.  The spool, movable between a first and a second position, defines a first and a second inlet chamber of variable volume with the cavity. A discharge chamber is further defined with the cavity. Various ports are provided in the drain valve. A first and a second inlet port are respectively in fluid communication with the first and the second inlet  chamber.  These  inlet  ports  are  provided  for selectively receiving the pressurized fluid one at the time and the spool  is  in the  first or the  second position depending on whether a pressure is applied in either the first or the second inlet chamber through respectively the first or the second inlet port. The spool is in the first position when the pressure is applied in the second inlet chamber and in the second position when the pressure is applied in the first inlet chamber. A discharge port is in fluid communication with the discharge chamber when the spool is in the first or in the second position.  The reciprocating mechanism receives and returns fluid through a first and a second bi-directional port. The first bi-directional port is in fluid communication with the discharge chamber when the spool  is  in  the  first  position,  and  in  fluid communication with the first inlet chamber when the spool is in the second position. As for the second bi-directional port, it is in fluid communication with the second inlet chamber when the spool is in the first position, and in fluid communication with the discharge chamber when the spool is in the second position.
Patent CA-2173792-A1 (CA)
Title: Halomethylation of polymer
Inventor: OSMAN AKHTAR
IPC: C08F8/24
Filed: 1996-04-10
Abstract: A process is provided for the halomethylation of the aromatic groups in an  isoolefin-vinylidene aromatic monomer polymer by the in  situ generation of the halomethylating species formed by the reaction of a methoxy alkoxy methane with a thionyl halide, the halomethylation of the polymer being catalyzed by a Lewis acid.
Patent CA-2174458-A1 (CA)
Title: Aldehyde cationic derivatives of galactose containing polysaccharides used as paper strength additives
Inventor: CHIU CHUNG-WAI
IPC: C12P19/04
Filed: 1996-04-18
Abstract: Aldehyde cationic derivatives of galactose containing polysaccharides which are obtained by oxidizing galactose containing polysaccharides with the enzyme galactose oxidase.          The enzyme oxidized products have an aldehyde function at a specific position of the polysaccharide, i.e., the C6 position, of the galactose unit, and the cationic derivatives thereof have unexpected and significantly improved properties when used as paper strength additives.
Patent CA-2174702-A1 (CA)
Inventor: ROSELLI LEONARD
IPC: B60T13/66
Filed: 1996-04-22
Abstract: A system for electronically controlling brakes on a train through a double ended locomotive is disclosed. The electronic brake control system comprises a first cab station, a second cab station and a brake control device which communicates with each of the cab stations. The cab stations are interchangeable and operate in part according to algorithms set forth in software written for the instant cab stations. The brake control device likewise operates in part according to algorithms set forth in software written for the brake control device. The first cab station generates a first stream of signal packets indicative of parameters for operating the system and transmits same to the brake control device. The second cab station likewise generates a second stream of signal packets indicative of parameters for operating the system and transmits same to the brake control device. Each cab station generates and transmits its respective stream of signal packets one signal packet at a time. From these signal packets, the brake control device determines which of the cab stations will direct control of the train brakes according to basic rules set forth in the software. When the brake control device selects one of said cab stations to direct control of the brakes, the brake control device controls operation of the brakes in response to at least the stream of signal packets corresponding to the selected cab station.
Patent CA-2175347-A1 (CA)
Title: Locking assembly
Inventor: TURVEY ANDREW GRAHAM
IPC: E06B9/86
Filed: 1994-11-04
Abstract: A motor driven roller shutter (10) employs a curtain (11) having a leading edge (12) and being adapted to slide vertical in a guide channel (14) between a raised position and a lowered position. A locking assembly (13) is secured to the channel (14) and is engageable with the shutter adjacent the leading edge (12) to inhibit the leading edge being levered away from the lowered position. The leading edge includes a flange (15) and the locking assembly includes a retractable foot (16) extending from a housing (17) so that in order to raise the shutter (11), the foot (16) must be retracted into the housing (17). A solenoid inner circuit is used to retract the foot (16) which then engages a limit switch to make the circuit to a motor to raise the curtain. Typically, the two locking assemblies are used opposite ends of the leading edge of the curtain.
Patent CA-2177086-A1 (CA)
Inventor: ARCHAMBAULT MARCEL
IPC: G08B17/10
Filed: 1996-05-22
Abstract: Problèmes: (1) Avec le détecteur, quand il déclenche il fait un bruit d'enfer a l'heure des repas etc, le citoyen(ne) est obliger de monter sur une chaise etc pour enlever la pile ou de faire du vent avec un journal etc, le plus souvent il enleve la pile, et le plus souvent il oublie de la replacer, et cela plusieurs jours, et même ne la replace plus, cela cause plusieurs morts dans les incendies a chaque année a cause de l'oubli, il déclenche plusieurs fois par semaine cela n'est pas drôle pour les jeunes, et moins drôle pour les personnes agées. Exemple: (2) Dans mon appartement 2 et 1/2 a tous les jours ou presque il déclenche quand je prend ma douche, ou quand je fait bouillir de l'eau, ou je fait griller du pain. Il déclenche a tout coup, et je ne suis pas le seul. Avec le prototype je suis heureux, et je n'oublie pas de le rebrancher. (3) Il y a des interrupteurs sur le marché a 14.00$ plus taxe ils sont dispendieux, le double du prix du détecteur lui même. Le prototype sera a moitié prix assuré, et plus interressant pour toute la société. (4) Connecteur-spécial no:2 et 3: Vous êtes fatigués de dépenser pour des piles voici la solution aux problèmes, idéal pour tous les gadjets les jeux et jouets électroniques ainsi que les radios etc, qui fonctionnent a piles seulement.
Patent CA-2177337-A1 (CA)
Title: Brassiere structure
Inventor: CHIANG YUNG FENG
IPC: A41C3/02
Filed: 1996-05-24
Abstract: A brassiere  includes  a  left  cup  and  a  right  cup releasably secured to each other at the front side by means of a Velcro connection and each having a back strap extending therefrom  to  the  back  side  to  have  free ends  thereof releasably fixed to each other by means of a Velcro fastener. Shoulder straps are provided between each of the cups and the associated back strap and are releasably secured thereto by means of Velcro fasteners.  The use of Velcro fasteners allow the brassiere to adjust its size or the relative position of the cups so as to accommodate wearers of different sizes.  The Velcro fasteners also allow the cups to be readily released from each other  to allow a  wearer  to  nurse  in a more convenient manner with the brassiere partially released.