baber/WOPTO huggingface dataset:
Patent CA-2116456-A1 (CA)
Title: A method and arrangement for determining fibre properties by near-infrared-spectroscopy
Inventor: BARRINGER NIKLAS
IPC: G01N15/02
Filed: 1992-09-11
Abstract: 2116456 9305384 PCTABS00020 A method and an arrangement for determining properties of fibres in a supension of said fibres with the aid of spectroscopic measurements carried out in a wavelength range within the near infrared range (NIR), comprising introducing the fibre suspension into a measuring cell (20) which is provided with a filter (35) and an outlet (47) at one end thereof; concentrating the fibre suspension in the cell while simultaneously measuring the absorbency until a predetermined value is obtained at that wavelength at which the measurement is effected, or for the highest peak of the registered spectrum, at which point supply of the suspension is stopped, the outlet (47) from the cell is closed and a complete spectrum within the wavelength range is registered, whereafter the sought properties of the fibres are determined in a computer unit on the basis of earlier calibrations carried out on samples of known fibre properties. An arrangement for washing a fibre suspension-sample includes a cylinder having a piston, piston rod and a filter which is mounted close to the end of the cylinder opposite the piston rod, so as to divide the cylinder into a large piston-accommodating chamber and a small chamber, wherein delivery pipes leading to the cylinder and outlet pipes extending therefrom are connected to the small chamber and inlet pipes through which sample is delivered to the cylinder and outlet pipes for washed sample are connected to the large chamber.
Patent CA-2117609-A1 (CA)
Title: Process for the preparation of dibenzo[b,d]pyrans
Inventor: HERLT TONY JOHN
IPC: C07D311/80
Filed: 1993-12-27
Abstract: Dibenzo[b,d]pyrans are prepared by heating a dihydroxybenzoic acid derivative in the presence of a Lewis acid catalyst and an insert non-polar solvent in which the dihydroxybenzoic acid is soluble but in which the Lewis acid catalyst is insoluble or very slightly soluble. A typical embodiment involves the preparation of intermediates useful in the synthesis of dronabinol and related dibenzo[b,d]pyrans.
Patent CA-2118462-A1 (CA)
Title: Signal light column
Inventor: JAUTZ KARL JR
IPC: F21S8/00
Filed: 1994-10-19
Abstract: ABSTRACT A signal light column (1) having light sections arranged one above another. The light sections consist of transparent housing sections (4, 5) with inserts (7, 8). The inserts are provided with electrical conductors (10, 10') which are connected to the conductors of the next insert below them, or of the pedestal (3) of the column. The inserts are also equipped with sockets for the lamps of the signal lights, and the said sockets are also connected with the strip conductors. The inserts (7, 8) are joined together to form a unit and the housing sections (4, 5) are also joined together to form a unit. A further characterizing feature of the invention is in that the insert unit formed by the individual inserts is removable through the top of the housing. Such a design considerably simplifies any repair work which needs to be performed on the inserts and when replacing the lamps. Similarly, it avoids the risk of the sequence of colours in the signal light column becoming mixed up.
Patent CA-2120320-A1 (CA)
Inventor: MCAFEE RICHARD
IPC: H05K3/28
Filed: 1994-03-30
Abstract: A platinum catalyst which is prepared by reacting a platinum halide with an organic compound having at least one -C?C- group in the presence or absence of a base to form a complex which promotes the addition of silicon-bonded hydrogen atoms to silicon-bonded aliphatic unsaturated hydrocarbon groups in the presence of no-clean flux.
Patent CA-2120746-A1 (CA)
Title: Nmr receiver with sigma-delta a/d converter
Inventor: COHEN TAL
IPC: A61B5/055
Filed: 1992-10-06
Abstract: An NMR receiver (60) utilizing the Sigma-Delta modulation method implemented in the analog-to-digital converter (88) device to enable the use of much simpler analog anti-aliasing filters (86) that have a wider bandwidth. The analog filters do not induce phase distorsion of the signal in the operating frequency and thus eliminates the need for first order phase correction by the digital signal processor. Further, there is no requirement for adjustment in the filters (86) since the digital decimation filter (88) contained within the analog-to-digital converter device (88) acts as a digital lowpass filter.
Patent CA-2123082-A1 (CA)
Title: Thermoplastic polymer alloy composition
Inventor: DAWSON ROBERT L
IPC: C08L23/16
Filed: 1992-11-05
Abstract: Thermoplastic polymer alloy compositions are provided consisting of a blend of polypropylene, ethylene copolymer ionomer resin, ethylene/glycidyl acrylate or methacrylate copolymer, and uncrosslinked ethylene propylene rubber. The compositions are particularly useful in applications where a wide range of temperature and abrasive conditions are encountered.
Patent CA-2128202-A1 (CA)
Title: Alkyl Derivatives of Trazodone with CNS Activity
Inventor: BAIOCCHI LEANDRO
IPC: C07C229/18
Filed: 1993-01-14
Abstract: Alkyl derivatives of trazodone endowed with pharmacological activity, pharmaceutical compositions containing them, process for preparing them and intermediate compounds useful in their preparation, the Alkyl derivatives of trazodone having the formula:   (see formula I) wherein only one of R, R', R"' is 1-3 C alkyl and the others are H, and the acid addition salts thereof with physiological acceptable organic or inorganic salts.
Patent CA-2132948-A1 (CA)
Title: Attachment construction for prosthesis
Inventor: PHILIPPS VAN L
IPC: A61F2/60
Filed: 1993-03-24
Abstract: (see formula I) A prosthetic pylon attachment construction provides a useful attachment interface between the exterior of a pylon which otherwise has a generally curvilinear exterior and a broad range of other prosthetic devices having relatively flat surfaces, and permits ready manufacture and ready interchangeability of a range of prosthetic devices and pylons.
Patent CA-2133365-A1 (CA)
Inventor: KINGSLEY JEFFREY P
IPC: C07C51/265
Filed: 1994-09-30
Abstract: An improved process for the production of terephthalic acid comprising introducing a feed directly into a recirculating liquid stream so as to facilitate formation and maintenance of gas bubbles in a dispersed form in a recirculating gas bubble-liquid mixture. By maintaining a gas-liquid interface and overhead gas phase in conjunction with a quiescent zone of liquid apart from the major portion of liquid in which said mixture is maintained in a recirculating flow condition, the loss of appreciable amounts of gas to the overhead gas phase is avoided.
Patent CA-2133597-A1 (CA)
Title: Expandable and tiltable optical system and optical apparatus
Inventor: MATSUSHIMA HIROMI
IPC: G02B7/24
Filed: 1994-10-04
Abstract: ABSTRACT            Object:  To provide an optical system and optical apparatus which can be expanded and tilted wituout rotating an  image itself. Constitution:   There is a series of light paths successively formed via reflecting members,  said light paths including at least five optical axes from a first optical axis to a fifth optical axis constituting center axes thereof, the second axis and the fourth axis being parallel with each other, one ends on the same side thereof being perpendicular to both ends of the third optical axis, as a result of which the second axis,  the third axis and the fourth axis are arranged in the same plane in the form of  ? shape, one ends of the first axis and the fifth axis being perpendicular to the other ends of the second optical axis and the fourth optical axis, the first optical axis and the fifth optial axis extending in the opposite directions when all the axes from the first optical axis to the fifth optical axis are placed in the same plane, and the first optical axis and the fifth  optical  axis  being  associated  to  be  rotatable  in symmetrical synchronism with each other about the second optical axis and the fourth optical axis. Selected Drawing: Fig. 4
Patent CA-2133747-A1 (CA)
Title: Coil construction
Inventor: KROPIELNICKI JERZY J
IPC: H01Q7/00
Filed: 1993-03-08
Abstract: A bifilar coil construction is used for isolating radio signals picked up by a motor vehicle window heating element from the power supply circuit for the heating element. The coil construction has two separate windings (9, 10) which are arranged bodily alongside each other. In one embodiment there is an inner cylindrical winding (9) within and in contact with an outer cylindrical winding (10), and a two part pot core (15, 16) is clamped within and around the windings (9, 10).
Patent CA-2134165-A1 (CA)
Inventor: PIAU GERARD P
IPC: G01R27/06
Filed: 1994-10-24
Abstract: Afin de mesurer l'amplitude et la phase du coefficient de réflexion d'une structure (S) telle qu'un radôme de protection d'un radar, notamment après une réparation, il est proposé un dispositif de mesure dont une partie portable (10) permet de transformer les signaux hyperfréquence de mesure et de référence en signaux basse fréquence. Ces signaux basse fréquence sont ensuite transférés par des câbles souples (16,17) à une partie de calcul (12,14), sans que des distorsions de phase ne puissent être créées par une torsion du câble. La transformation des signaux est effectuée en dotant la partie portable, en plus du générateur hyperfréquence principal (18), d'un deuxième générateur hyperfréquence (32) dont la fréquence (f2) diffère de celle (f1) du générateur principal d'une basse fréquence (f0) donnée. Des mélangeurs hyperfréquence (38,42) utilisent le rayonnement émis par le deuxième générateur (32) pour donner au signal de mesure et au signal de référence, initialement à la fréquence (f1), la basse fréquence (f0). Figure unique
Patent CA-2134166-A1 (CA)
Title: Infusion administering catheter holder
Inventor: WOLMAN MICHAEL
IPC: A61M25/02
Filed: 1994-10-24
Abstract: INFUSION ADMINISTERING CATHETER HOLDER                  Abstract A holder for infusion administering catheter devices which comprise a head portion and a catheter portion, is formed as deformable band, having a first portion configured to overlie the device in its administered position onto a patient's arm without obstructing access to its functional parts, and a second portion adapted to surround the arm portion of the patient and become tightened over the said first portion by releasable attaching means. In an embodiment the holder is made of an elastic material, such as silicone rubber or a BVS K-Resin.  The releasable attaching means may be VELCRO or core fasteners, such as mushrooms fasteners.
Patent CA-2136674-A1 (CA)
Title: Hydrogel-forming polymeric material with desirable fracture properties
Inventor: REEVES WILLIAM G
IPC: C08L35/00
Filed: 1994-11-25
Abstract: Disclosed is a hydrogel-forming polymeric material prepared from a first compound selected from the group consisting of ethylenically unsaturated carboxylic acid compounds; and a second compound selected from the group consisting of compounds that comprise a functional group selected from the group consisting of ether and hydroxyl groups.  The hydrogel-forming polymeric material exhibits desired absorbent properties and exhibits an improved fracture resistance as compared to the fracture resistance exhibited by an otherwise substantially identical hydrogel-forming polymeric material prepared without the second compound.  Also disclosed is a disposable absorbent product containing such a hydrogel-forming polymeric material.
Patent CA-2139070-A1 (CA)
Title: Method for enhancing detection ability of nucleic acid assays employing polymerase chain reaction
Inventor: BLAIS BURTON W
IPC: C12Q1/68
Filed: 1994-12-23
Abstract: This invention relates to a new and novel method for significantly enhancing the sensitivity of assays aimed at detecting the presence of target deoxyribonucleic acid (DNA) or ribonucleic acid (RNA) sequences in a sample. Specifically, this method applies to techniques that employ polymerase chain reactions (PCR?) or other nucleic amplificatio techniques to amplify copies of the target DNA or RNA (via reverse-transclil,tase followed by PCR, Murakawa et ah 1988 DNA 7-287) to allow for detection. The method of thepresent invention combines the following four steps for the first time: DNA amplicon synthesis and amplification in a modified PCR using a target nucleic acid sequence as a template; amplicon transcription into RNA and amplification; RNA:DNA hybrid formation; and immunochemical detection of heteroduplex nucleic acid sequences. This method extends the standard PCR techniques to accommodate amplification of copies of the PCR product and transcription into RNA, which, following binding to DNA sequences facilitates immunochemical detection of the RNA:DNA hybrids thereby formed. This combination of steps results in a new assay with increased simplicity, speed and sensitivity, including a greatly improved signal-to-noise ratio, over standard nucleic acid detection methods. This improved method will be extremely useful for performing analyses in the foiensic, clinical, agricultural and biological fields.
Patent CA-2140516-A1 (CA)
Title: Switch blade device in a turnout on a tram- or streetcar-type line
Inventor: EGGER ERICH
IPC: E01B7/02
Filed: 1995-01-18
Abstract: In a switch blade (point-rail) device in a grooved-rail turnout on a tram- or streetcar-type line, switch blades (2) are detachably mounted, using a clamping wedge (5) which is fastened to a support part (6) by means of a screw (12) in an essentially perpendicular direction to the running surface. Once the clamping wedge (5) has been removed, the switch blade (2) can be demounted and lifted out. Mounting is performed by pressing an inclined lateral surface (8) of the switch blade (2) against a correspondingly inclined lateral surface (7) of the support part 6. The angles of inclination of the wedge, and of the contact surface of the support part, are matched to each other so that self-locking is achieved.
Patent CA-2145492-A1 (CA)
Inventor: MOSQUERA RENE A
IPC: H01R12/57
Filed: 1995-03-24
Abstract: A connector has upper and lower rows of contacts (20, 22, Fig. 4) whose contact tails (40, 42) are soldered to front and rear rows of pads (26, 24) on a circuit board (14), which provides flexibility in downward deflection of all contact tails in a short forward-rearward distance (B). While the upper tails of the upper row of contacts extend at a downward-forward incline, the lower tails have rear portions (80) with inclined parts (90) that extend at an upward-forward incline, and forward portions (82) with inclined parts (92) that extend at downward-forward inclines. A heating bar (102, Fig. 7) for heating the forward ends (120, 122) of the contact tails for reflow soldering to the pads, has slots (124) in its lower surface (106) that extend from its rear end (132) to a location (130) behind its front end (132).
Patent CA-2148989-A1 (CA)
Inventor: CHOPIN THIERRY
IPC: C01F17/235
Filed: 1995-05-09
Abstract: Colloidal dispersion comprises colloids composed of a cerium oxide core which is at least partially covered by a layer of titanium oxide. The dispersion may also contain at least one metal chosen from Pd, W, Pt and Rh. Pref. the colloid size is 5-30nm; the weight ratio of cerium oxide to titanium oxide is 30/70 to 70/30; the proportion of suspended solid in the dispersion is 5-20wt.%.
Patent CA-2151248-A1 (CA)
Title: Nonthreaded load sensing probe
Inventor: GROGAN RICHARD J
IPC: G01L5/00
Filed: 1994-11-01
Abstract: An apparatus for sensing forces applied to a structure including a generally cylindrical body (21) having a pair of end portions (22, 23) and a smaller diameter intermediate portion (24) with a central aperture (29) extending longitudinally through the body (21). The end portions (22, 23) are slotted to form radially outwardly translatable legs for engaging a wall of a cavity (17) formed in the structure. Strain gauges (50) are attached to the intermediate portion (24) for sensing forces applied to the structure when the body (21) is positioned in the cavity (17) and the legs are engaging the wall of the cavity (17). The wall of the central aperture (29) has a pair of threaded sections (35, 36) for threadably receiving bushing and bearing assemblies (37, 38) inserted from opposite ends (22, 23) of the central aperture (29). Each of the assemblies (37, 38) has a tapered surface (44) for radially outwardly translating the legs. One of the assemblies (38) has an allen wrench receiving cavity accessible through one of the open ends (22) of the central aperture (29) and the other one of the assemblies (37) has an allen wrench receiving cavity accessible from outside the body (21).
Patent CA-2153161-A1 (CA)
Title: Plastic skin cladded polyurethanes having improved surface appearance
Inventor: WEAVER LAURA BAUERLE
IPC: C08G18/50
Filed: 1993-12-09
Abstract: Certain fatty acid amides can be included in plastic skin clad polyurethane formulations to increase adhesion between the plastic skin and the polyurethane. These adhesion improvers can decrease or prevent blister formation in plastic skin clad polyurethanes. Additionaly, the adhesion improvers can compatibilize certain extenders with base polyols and improve mold release properties.
Patent CA-2153878-A1 (CA)
Inventor: WHITE BRADLEY E
IPC: G01N27/327
Filed: 1994-05-13
Abstract: A biosensing meter is provided that determines a value of an analyte in a biological sample.  The meter employs an algorithm for determining the analyte value, which value is dependent upon ambient temperature about the biological sample when it is present in a reaction zone.  The biosensing meter includes a processor and a temperature sensor.  The temperature sensor is positioned within the meter's structure and thereby exhibits a delayed response to changes in the ambient temperature. The meter performs a temperature estimation method to overcome the delayed temperature response.  The method commences by the meter repetitively and periodically acquiring temperature readings from the temperature sensor when the biosensing meter is both in an on state and in an off state.  When the meter is in the on state, the algorithm estimates the ambient temperature by employing at least two most recent temperature readings and extrapolating therefrom to achieve an ambient temperature estimate.  Temperature readings are acquired by the meter at first intervals when the meter is in the off state and at second, shorter intervals when the meter is in the on state, the temperature extrapolations only occurring when the meter is in the on state.
Patent CA-2155269-A1 (CA)
IPC: G02F1/1337
Filed: 1995-08-02
Abstract: A liquid crystal device is constituted by a pair of oppositely disposed substrates including a first substrate having a uniaxial alignment characteristic and a second substrate having a non-uniaxial alignment characteristic and a liquid crystal disposed between the first and second substrates. The first and second substrates are controlled to have surface potentials providing a difference therebetween of less than 50 mV in terms of an absolute value at their liquid crystal-contacting surfaces. As a result, the liquid crystal device is provided with an improved symmetry of switching threshold while retaining a good liquid crystal alignment characteristic. <MATH>
Patent CA-2157120-A1 (CA)
Title: Heat activated ballistic blocker
Inventor: ROSS RICHARD
IPC: F42D1/04
Filed: 1994-03-09
Abstract: A method and an apparatus for use in a wellbore are provided to prevent an igniter (78) from igniting a pyrotechnic device (80) within a downhole well tool until after the downhole well tool is positioned downhole within the wellbore. A blocking member (104) is movable between two positions for selectively obstructing an ignition pathway between the igniter (78) and pyrotechnic device (80). An actuator (108) is provided which, when heated to an activation temperature by downhole well temperatures, moves the blocking member (104) from a position obstructing the ignition pathway to a position for allowing the igniter to ignite the pyrotechnic device.
Patent CA-2157805-A1 (CA)
Inventor: GLOWA MICHAEL P
IPC: A61B17/32
Filed: 1995-09-08
Abstract: A rotatable surgical shaver handpiece having a rotating elongated inner member within a fixed outer member is provided with a means for varying the cutting window orientation of the outer tubular member.   The window orientation is adjusted by providing a rotatable collet assembly which has a hollow, outer, longitudinally movable body to which the outer hub member is keyed.  The outer collet member is concentrically situated about an inner collet body and is fixed to an annular, toothed locking surface which is movably biased against an identical toothed locking surface fixed to the inner collet body.  The teeth have sloped sides and are shallow such that the pre-loaded force compressing the two locking surfaces together is easily overcome by rotating the outer collet body to cause the teeth of one locking surface to slide along the teeth of the mating locking surface.  In another embodiment, the invention is provided with a blade recognition means for identifying a code associated with a particular blade assembly regardless of the window orientation of the outer tubular member of the blade assembly.  In another embodiment of the invention the handpiece is provided with an extruded body fitted with a longitudinally slidable aspiration control switch.
Patent CA-2160632-A1 (CA)
Inventor: DEVANATHAN NARASIMHAN
IPC: C10G47/26
Filed: 1995-10-16
Abstract: Apparatus and methods useful for introducing feedstock to a chemical reactor are disclosed. The methods and apparatus employ a novel baffle system to mitigate the effects of unwanted momentum components transferred to the reactor liquid mass from the introduced feedstock. Resid hydrotreating processes employing these methods also are disclosed.
Patent CA-2163210-A1 (CA)
Title: Process for deactivating transition metal catalysts
Inventor: AGAPIOU AGAPIOS KYRIACOS
IPC: C08F6/02
Filed: 1994-05-18
Abstract: A process for deactivating Ziegler-Natta or metallocene transition metal catalysts or catalyst systems. The process includes heating the active catalyst or catalyst system to a temperature sufficient to drive off volatile constituents, and to form complexes and compounds that are non-reactive or less reactive with ambient air than the active catalyst or catalyst system. The process includes steps for safe deactivation including scrubbing to substantially eliminate corrosive compounds, and burning volatile chemicals in a flare. This process essentially substantially eliminates the production of hazardous classification waste from conventional water catalyst deactivation techniques.
Patent CA-2164265-A1 (CA)
Inventor: STEPHAN PHILIPPE
IPC: A61B6/02
Filed: 1995-12-01
Abstract: L'invention se rapporte au domaine des gamma caméra (1) comportant une embase (2) mobile sur un bâti (3) et au moins un bras (5, 6) mobile par rapport au bâti (3) et muni, en une extrémité libre, d'un détecteur (7, 8) plan. L'invention se caractérise en ce qu'elle comporte en outre deux plans d'approche (13, 14) sensiblement parallèles au plan dudit détecteur (9) de manière a asservir la position d'un bord du patient (10) entre ces deux plans (13, 14). L'invention s'applique en particulier aux gamma caméras comportant deux détecteurs et susceptibles d'effectuer des examens tomographiques et du corps entier.
Patent CA-2165290-A1 (CA)
Title: Rotary positive displacement device
Inventor: AQUINO GIOVANNI
IPC: F01C1/22
Filed: 1994-06-17
Abstract: A rotary device containing a housing (12) having a curved inner surface (26) with a profile equidistant from a trochoidal curve, an eccentric (52) mounted on a shaft disposed within the housing, a rotor (16) mounted on the eccentric shaft which contains at least three intersecting faces and a partial bore located at the intersection of adjacent faces, and at least three rollers (18) rotatably mounted within the partial bores of the rotor.