baber/WOPTO huggingface dataset:
Patent FI-97690-C (FI)
Inventor: OHMURA TADAYOSHI
IPC: A61K9/52
Filed: 1990-03-09
Granted: 1997-02-10
Abstract: A coating material for controlling drug release, useful for long acting formulations (e.g. for once-a-day administration), and a long acting granular composition comprising a drug (especially one conventionally difficult to prepar in long acting form) coated with the coating material. This composition may be mixed with other granular drug formulations. The drug-release controlling coating material may comprise, in a specific ratio, specific water-insoluble and low water-permeability polymer and two materials differing from each other in the pH-dependency of their solubility (pH-dependent polymer materials).
Patent NO-154740-C (NO)
Inventor: BRAKUS BODGAN
IPC: H02M3/335
Filed: 1980-07-30
Abstract: 1. A single-ended forward converter with a pulse-width controlled semiconductor switch (41) in the converter main circuit, and with a power transformer (31) having a plurality of secondary windings (311, 312) for the generation of electrically isolated d.c. output voltages, where at least one output circuit of the single-ended forward converter contains a transistor switch (42) which is pulse-width controlled in dependence upon the output voltage (U22) of this output circuit and which possesses its own auxiliary control circuit whose output pulses occur within the output pulses of the semiconductor switch (41) in the main circuit and which is rendered conductive at the same time as the control transistor located in the converter main circuit, the transistor (42) being arranged in an output circuit that is rendered inoperative by short-circuiting a winding (71) of a pulse-control transformer (7) in dependence upon the output voltage (U22) of the corresponding output circuit, the pulse transformer (7) being preceded by a switch-on device and a switch-off device and the emitter-collector path of a transistor (43) of the switch-off device arranged parallel to a winding (71) of the pulse transformer (7), characterised in that the switch-on device is formed by a series arrangement of a resistor (12) and a diode (57), and that a winding (74) of the pulse transformer is connected via the series arrangement (12, 57) to a separate switch-on winding (311) of the power transformer (31), and that the switch-off device contains a threshold-value switch (81) having an open collector output, whose first input (+) is supplied with a control value which is dependent upon the output voltage and whose other input (-) is supplied with a comparison value (URef ) and which has its output connected via a timer circuit in the form of a mono-stable flip-flop stage which contains a capacitor (21) and a charge resistor (13 ... 15), to that transistor (43) of the switch-off device whose emitter-collector path is arranged parallel to a separate switch-off winding (71) of the pulse transformer (7).
Patent NO-169217-C (NO)
Inventor: TORBUS MAREK
IPC: C08G14/10
Filed: 1988-07-19
Abstract: PCT No. PCT/EP87/00691 Sec. 371 Date Jul. 13, 1988 Sec. 102(e) Date Jul. 13, 1988 PCT Filed Nov. 7, 1987 PCT Pub. No. WO88/03847 PCT Pub. Date Jun. 2, 1988.The binder serves to produce foundry moulds and comprises a solution (preferably an aqueous solution) of aldehyde reactive phenol substances and gaseous acetals (preferably dimethyl formal) as reaction partners and strong acids, e.g. sulphuric acid and sulphonic acids as a catalyst. The acetal is in this system hydrolysed by the acid, the basic aldehyde being formed, which will react with the aldehyde reactive phenol substance accompanied by cross-linking. The acid serves thereby simultaneously as a cross-linking catalyst. In principle, it is possible to regard as "aldehyde reactive phenol substances" any phenolic compounds which can in the acid range cross-link more or less spontaneously with aldehydes. Preferably, these are resorcinol or resorcinol products, e.g. resorcinol pitch or precondensates formed with a shortfall of aldehyde, e.g. based on resorcinol formaldehyde, phenol resorcinol formaldehyde or resorcinol melamine formaldehyde. To produce foundry moulds, a granular basic moulding material, e.g. sand, the solution of the aldehyde reactive phenol substance and the acid are used to produce a moulding mixture which is then caused to set by passing the gaseous acetal (formal) through it. The aldehyde cross-linking of the aldehyde raective phenol substance in the acid medium, the process which takes place thereby, produces duroplasts (resites), which combine a very good thermal resistance and a low pollutants emission during casting with a high strength and negligible sensitivity to moisture in the mouldings produced, features which make them extremely favorable.
Patent NO-175580-C (NO)
Inventor: GEORGITSIS NIKOLAS
IPC: B65G47/252
Filed: 1989-12-06
Abstract: A device is described for turning over a package (9) by 180 DEG  from a first position (I) on a feed conveyor (6) into a second position (II) on a discharge conveyor (12), a frame (2), which is fixed on the floor (1), being provided for mounting of an operating mechanism which is provided with a drive motor (13). 
<??>For the production of a turning-over device for a tube-shaped package, it is envisaged according to the invention that the operating mechanism (15, 20) has a movable linear slide, which is driven between the two positions (I, II), and a stationary slotted guide (20) with a control cam (22) and that at least one gripping element is movably mounted in the linear slide and connected rigidly to a follow-up roller (24) which is guided in the control cam (22).
Patent CA-2001942-C (CA)
Title: Patient-controlled analgesia security attachment for a medication infusion system
Inventor: GORTON LANNY A
IPC: A61M5/142
Filed: 1989-11-01
Granted: 1995-11-14
Abstract: A device for use as an attachment for use with a main pump unit  containing  a  prime  mover  and  a  control  system  for controlling the operation of a disposable cassette containing a fluid pump which is mounted on the main pump unit is disclosed which  includes  both  a  compartment  for  securely  storing  the medication supply and means for preventing either the cassette or the fluid line between the storage compartment and the cassette removed or tampered with.   The device is locked onto the main pump unit with a single key operated lock which also locks the cassette in position on the main pump unit, the compartment for storing the medication supply,  and a cover sealing the fluid line. The system is compact, and is capable of being used with a variety of fluid sources including both syringes and bags.
Patent CA-2008268-C (CA)
Title: Duplex electrical receptacle with one-piece multi-function grounding strip and choice of grounding wire termination
Inventor: LUDWIG MELVIN
IPC: H01R13/652
Filed: 1990-01-22
Granted: 1995-06-20
Abstract: A dual mode grounding arrangement includes a one-piece, multi-function, grounding strip assembled within an electrical receptacle, and includes a screw terminal which is highly resistant to removal of a grounding screw from the strip.  A grounding wire is connected to the screw  terminal by either a wrap-around or a push-in wiring technique.
Patent CA-2011169-C (CA)
Title: Composition stabilized with substituted 1,2,4-triazoles
Inventor: O'NEIL ROBERT MONTGOMERY
IPC: C10N30/10
Filed: 1990-02-28
Granted: 2000-06-27
Abstract: The present invention provides compositions comprising organic material susceptible to degradation and, as metal deactivator and/or antioxidant, at least one compound having the formula (I): (see formula I) wherein X is a group of formula II: (see formula II) or formula III: (see formula III) wherein R1 is C1-C20 linear or branched alkyl; C5-C12 cycloalkyl; benzyl; or phenyl optionally substituted by halogen, C1-C4 alkyl, C1-C4 alkoxy or nitro; R2 is C1-C20 linear or branched chain alkyl, C2-C20 linear or branched chain alkyl interrupted by one or more oxygen atoms; C5-C12 cycloalkyl; benzyl; or phenyl optionally substituted by halogen, C1-C4 alkyl, C1-C4 alkoxy or vitro; and n is 3 or 4.
Patent CA-2016417-C (CA)
Title: Lost circulation fluid for oil field drilling operations
Inventor: SYDANSK ROBERT D
IPC: C09K8/88
Filed: 1990-05-09
Granted: 1994-10-18
Abstract: A flowing crosslinked polymer gel is employed as a lost circulation fluid in a process for reducing lost circulation during an oil field drilling operation.  The lost circulation fluid comprises a carboxylate-containing polymer, a chromic carboxylate crosslinking agent, and an aqueous solvent.
Patent CA-2023919-C (CA)
Title: Light-stabilised ink compositions
Inventor: LAVER HUGH S
IPC: C07D249/20
Filed: 1990-08-23
Granted: 2001-01-30
Abstract: 2-(2'-Hydroxyphenyl)benzotriazoles of formula 1 (see formula I) wherein R1, R2 and R3 are as defined in claim 1, and which contain at least one -SO3X group in the molecule, are suitable light stabilising additives for aqueous ink compositions, especially for ink jet printing. Some of these compounds are novel compounds.
Patent CA-2025260-C (CA)
Inventor: FUJII ISAO
IPC: F16H63/20
Filed: 1990-09-13
Granted: 1994-03-29
Abstract: GEAR KNOCKING SOUND PREVENTING DEVICE FOR TRANSMISSION          ABSTRACT OF THE DISCLOSURE A gear knocking sound preventing device for a trans-mission having a rotatable main shaft and a forward stage low speed shift shaft, a forward stage high speed shift shaft, and a forward stage maximum speed and reverse shift shaft.  These latter three shift shafts are selectively axially movable by actuation of a shift and select lever mounted on a shift and select shaft.  A gear knocking sound preventing device is provided and includes a cam mechanism having a first cam disposed on the shift and select shaft, and a second cam disposed on the forward stage low speed shift shaft so as to be engagable and disengagable with the first cam.  The first cam is activated by rotation of the shift and select shaft and is brought into engagement with the second cam during reverse shifting so that the forward stage low speed shift shaft is moved slightly axially to activate a forward stage synchronous meshing mechanism to thereby stop the rotation of the main shaft of the transmission.
Patent CA-2032338-C (CA)
Inventor: YAMAMOTO TERUAKI
IPC: H01K1/32
Filed: 1990-12-14
Granted: 1998-12-08
Abstract: An optical valve for use in a lamp of a motor vehicle comprises a main filament, and a sub-main filament.  A multi-layer film is coated over a glass tube at the portion corresponding to the sub-main filament to produce yellow light.          When driving at night and passing by a motor vehicle coming from the opposite direction, the sub-main filament is heated and produces the yellow light of which glare will not daze driver's eyes, thus preventing dangerous  situations to the drivers.
Patent CA-2038443-C (CA)
Inventor: LENSTRA ANTOON
IPC: B23P19/04
Filed: 1991-03-18
Granted: 1997-07-22
Abstract: A fitting to provide a pouring spout at a hole through a sheet material (e.g. cartonboard) container has a flange 10 which abuts the material 44 around the hole.  A tubular portion 12 extends through the hole and tapers.  A ring 36 is dimensioned to fit on this tapered section 16 but become stretched upon pushing it up the taper towards the flange 10.  It then engages a step 24 in the tubular portion, which retains the ring 36 in a position tightly encircling the tubular portion.  The sheet material 44 is gripped between the ring 36 and the flange 10.
Patent CA-2045277-C (CA)
Title: Apparatus and method for patient elevation above a fluidized surface
Inventor: HAKAMIUN REZA
IPC: A47C20/04
Filed: 1991-06-21
Granted: 1995-04-11
Abstract: An apparatus and method for patient elevation above a fluidized surface includes a web of filter sheet material disposed beneath the patient and between the patient and the main filter sheet that covers the fluidized surface.  The web is loosely mounted about a pair of support rods which are connected via a pair of splice bar linkages to a pair of dual acting hydraulic cylinders.  Activation of the cylinders causes the two rods to separate from one another.  The separation takes up the slack in the web and renders it taut about the two support rods.  Further activation of the cylinders elevates the two support rods above the fluidized surface by pivoting them through the splice bar linkages.  This raises the web and the patient supported on the web.  A solenoid valve is provided in the hydraulic circuit to enable rapid lowering of the support rods and the web when an emergency procedure such as CPR must be administered to the patient.  A pressure switch, a relay, and magnetic reed switches cooperate to prevent the cylinders from applying pressure through the support rods to any person's extremity interposed between the two support rods or between the support rods and the fluidized or other surface of the patient support system.  Relief valves also are provided to accomplish the same result. Pressure compensated flow control valves control the speed with which the support rods are raised and lowered.  A manual dump valve bypasses all of the electrically actuatable valves to enable the operator to lower the support rods in the event of electrical power failure.
Patent CA-2049571-C (CA)
Title: High definition thermal ink-jet printer
Inventor: VINCENT KENT D
IPC: B41J29/00
Filed: 1991-08-20
Granted: 2004-01-13
Abstract: A thermal ink-jet printer (10) including a paper ad-vancing mechanism (14) and a pen traversing mechanism (18) and a pen (20) is disclosed. The pen (20) includes a noz-zle plate portion (22) which includes irregularly spaced columns of nozzles (24) for staggering application of inks onto the print medium (16) such that a drying time is pro-vided between applications of differing inks to adjacent areas. The printer (10) further includes a platen heater assembly (68) as a means of fixing and drying the ink on the print medium (16), and a vacuum fan (62) and an associ-ated plurality of platen vacuum holes (74) as a means of holding the print medium (16) in close contact with the heater plate assembly (68), thus increasing efficiency of heat transfer. The printer (10) is characterized in that it is capable of producing, at relatively high speeds on ordinary untreated paper or other print medium, a highly defined image relatively free from the problems of color bleeding, feathering, ink coalescence, and paper cockle normally associated with ink-jet printers. The primary usage of the printer (10) is in computer generated data printout applications.
Patent CA-2062427-C (CA)
Title: Mobile communication system
Inventor: OGUCHI TAKURO
IPC: H04W24/00
Filed: 1992-03-05
Granted: 1998-12-08
Abstract: A mobile communication system includes an exchange, a plurality of radio base stations coupled to the exchange, and a plurality of mobile stations.  The exchange includes a device for obtaining receivable periods of the mobile stations, which are continuously maintained in a call receivable state during the receivable periods, a device for determining whether the mobile stations are busy and a decision device which sequentially sends call signals to the mobile stations to determine whether or not each of the stations responds to a call signal.  The results of determination by the decision device are recorded in a recording device.
Patent CA-2062491-C (CA)
Title: Plant transferring and transplanting system
Inventor: HUANG BARNEY K
IPC: A01G9/10
Filed: 1992-03-09
Granted: 1999-08-24
Abstract: PLANT TRANSFERRING AND TRANSPLANTING SYSTEM                 ABSTRACT OF THE DISCLOSURE      The  present  invention  entails  a  plant  transfer  system basically comprising a vacuum chamber that is operative to induce young potted plants to a receiving area or receptacle such as a pot or cavity within a plant tray.  In the embodiment disclosed herein the plant transfer system has the capability of transferring a set of multi-plants simultaneously, and then to shift a supply tray to a subsequent position and then to transfer a second set of multi-plants.   In addition, the plant transfer system of the present invention is specifically designed and adapted such that it can be utilized internally within a greenhouse.
Patent CA-2067076-C (CA)
Title: Inductive position indicator
Inventor: MEHNERT WALTER
IPC: G01D5/20
Filed: 1992-04-24
Granted: 2003-10-14
Abstract: An inductive position indicator comprises an exciter coil for generating a magnetic flux, a measurement coil arrangement, and a flux guide means of ferromagnetic material which predetermines for the magnetic flux a closed measurement path which includes at least one gap, in the region of which the measurement coil arrangement is so positioned that the magnetic flux passing therethrough changes in dependence on the position to be monitored. To improve the fidelity of the characteristic and enhance measurement accuracy, the flux guide means provides at least one further closed compensating path which carries the magnetic flux passing therethrough, past the magnetic coil arrangement. When there are two mutually adjacent measurement coils through the surfaces of which the measurement flux can pass in a variable fashion and the output signal difference of which is included in the position signal, the surfaces enclosed by the measurement coils have at least one common edge portion over which the measurement flux can move.
Patent CA-2074372-C (CA)
Title: Infrared intrusion detector
Inventor: LEE WADE
IPC: G08B13/193
Filed: 1991-01-24
Granted: 1996-04-16
Abstract: An improved infrared intrusion detector (S0) is provided which conveniently and expeditiously monitors two fields (F1, F2) of view by use of a single sensor (52). In a preferred embodiment, the improved intrusion detector (S0) monitors fields of views (F1, F2) which are substantially orthogonal in a nonobvious manner. It is nonobvious in that an aperture (62) is provided in a housing (60) which permits radiation from a second field of view (F2) to enter the housing (60). Internal optical elements (64) are provided to direct this incident radiation from the second field of view (F2) onto a sensor (52) used for the first field of view (F1). The internal optical elements (64) are protected from the environment and do not give advance warning that a second field of view (F2) is moni-tored. Generally, the second field of view (F2) is below the intru-sion detector (50) to detect unauthorized activity in a dead zone below the detector (50).
Patent CA-2077572-C (CA)
Title: Method of and apparatus for stabilizing shapes of objects, such as optical elements, as well as exposure apparatus using same and method of manufacturing semiconductr devices
Inventor: NIIBE MASAHITO
IPC: G03F7/20
Filed: 1992-09-04
Granted: 1998-08-18
Abstract: A temperature distribution of an object, such as an optical element, onto which radiation energy is irradiated, is measured.  The change of the shape of the object is controlled by varying the temperature of a part of the object on the basis of the measured temperature distribution to stabilize the shape of the object.  Also, the shape of the object being irradiated is stabilized by causing the same temperature distribution in the object when in the thermally stable condition to be generated in the object while it is being irradiated.  If the shapes of masks used to manufacture semiconductor devices are stabilized by using the above methods, highly integrated semiconductor devices can be manufactured.
Patent CA-2096883-C (CA)
Title: Adjustment linkage for a vehicle headlamp
Inventor: LUKKARINEN MARK ANDREW
IPC: F21V14/04
Filed: 1993-05-25
Granted: 2005-05-10
Abstract: An adjustment linkage for vehicle headlamp having housing coupler, adjustment shaft, shaft seal, and threaded coupler for coupling to a pivotable reflector is disclosed. The adjustment linkage is designed to be operated by a Philipshead screwdriver used as a gearing. No permanent gear box is formed in the linkage. A minimal linkage is formed that is accessible from the top of the headlamp module by the length of the screw driver. The adjustment linkage is water sealed to accommodate rotation and pivoting of the linkage.
Patent CA-2098735-C (CA)
Title: Novel methylenebisphosphonic acid derivatives
Inventor: POHJALA ESKO
IPC: C07F9/58
Filed: 1991-12-18
Granted: 2002-03-05
Abstract: Novel pharmacologically active methylenebisphosphonates having formula (I) wherein R1-R4 independently are C1-C10-alkyl, C3-C10-cycloalkyl, aryl, aralkyl, silyl SiR3 or hydrogen, whereby in formula (I) at least one of the groups R1-R4 is hydrogen and at least one of the groups R1-R4 is different from hydrogen; Q1 is hydrogen, hydroxyl, halogen, ami-no NH2, or OR'1, wherein R'1 is C1-C4-alkyl or acyl; Q2 is the group,(.alpha.) wherein Y is a six-membered heterocyclic group, or a carbocyclic aromatic group, X is a bond, O, S or NR"', wherein R"' is hydrogen, lower alkyl, or acyl, n is the integer 0 to 6, and R' and R" are hydrogen or lower alkyl provided that as a ring atom of the ring Y and/or a chain atom of the group X, there is always at least one heteroatom from the group of O, N and S, including the stereoisomers and the salts of the compounds.
Patent CA-2104349-C (CA)
Inventor: PANANDIKER RAJAN K
IPC: C11D3/386
Filed: 1991-09-25
Granted: 1998-12-29
Abstract: Disclosed is an improved detergent composition one or more anionic surfactants, nonionic surfactants, or mixtures thereof, and detersive enzymes, the improvement which comprises incorporating into said composition an enzyme performance-enhancing amount of a polyhydroxy fatty acid amide material of formula (I), wherein R1 is H1, C1-C4 hydrocarbyl, 2-hydroxy ethyl, 2-hydroxy propyl, or a mixture thereof, R2 is C5-C31 hydrocarbyl, and Z is a polyhydroxyhydrocarbyl having a linear hydrocarbyl chain with at least three hydroxyls directly connected to said chain, or an alkoxylated derivative thereof.
Patent CA-2105851-C (CA)
Inventor: FANG JIN-LIOU
IPC: B29D22/00
Filed: 1993-09-09
Granted: 2004-11-23
Abstract: A dresser apparatus is provided for a strand of blow-molded articles interconnected by shorter flashings. A first pair of first rollers and a second pair of second rollers are of the gear type and are mounted for rotation to define pinching planes therebetween along which the strand is directed. The second rollers are relatively spaced to engage the articles and flashings passing therebetween, and are spaced from the first rollers such that the second rollers engage each flashing or article while a succeeding article or flashing is being engaged by the first rollers. A second moving device rotates the second rollers at a predetermined speed which is greater than the speed of the first rollers. Thus, each flashing or article is pulled from the succeeding article or flashing. A final pair of final rollers is mounted for rotation and defines a final pinching plane rotated (turned) with respect to the second pinching plane so that deformation of the articles caused by engagement with the first and second rollers is compensated for by passage through the final rollers. The dresser apparatus may include a third pair of third rollers spaced from the second rollers by a distance longer than the flashings but shorter than the articles so that the separated flashings fall between the second and third rollers while the articles are passed from the second to the third rollers: