baber/WOPTO huggingface dataset:
Patent EP-0356934-A2 (EP)
Inventor: EGUCHI TAMOTSU
IPC: C12P1/00
Filed: 1989-08-25
Abstract: The invention relates to a process for producing L(-)-tetrahydrofolic acid which comprises allowing dihydrofolate reductase to act upon dihydrofolic acid in the presence of (1) NADP or NADPH, and (2) glucose and glucose dehydrogenase. L(-)-tetrahydrofolic acid is useful as the intermediate for L(-)-leucovarin.
Patent EP-0361266-A2 (EP)
Inventor: FRANK RICHARD
IPC: H01J31/50
Filed: 1989-09-18
Abstract: An X-ray image intensifier (5a) possesses an electrode system for focusing onto the output fluorescent screen (7) of the X-ray intensifier (5a) the electrons generated during infringement of the X-ray radiation on the input fluorescent screen (4) of the X-ray image intensifier (5a). Said electrode system is to be simplified, the number of electrodes being reduced and the imaging characteristics being improved. 
<??>According to the invention, the object is achieved when one electrode of the electron optics composed of electrically resistant material is applied as a coating (15) on a one-piece electrode carrier (14a) forming the jacket of the vacuum vessel, and a voltage is applied to the coating (15), so that the potential field rises continuously in the region from the input fluorescent screen (4) to the output fluorescent screen (7). 
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Patent EP-0363820-A2 (EP)
Inventor: LIEBE WERNER DR
IPC: C01G5/02
Filed: 1989-10-05
Abstract: Colour-photographic silver halide material having a base, at least one light-sensitive silver halide emulsion layer and at least one layer containing a UV absorber which is solid at room temperature, the UV absorber being dissolved in an oil former and the solution being emulsified in the layer, is distinguished by higher colour densities if the oil former used is at least one organic compound which is liquid at room temperature and meets the following conditions:  a) it is saturated,  b) it contains at least one ester group or amide group,  c) it is electrically neutral and d) its carbon number is 14 to 40.
Patent EP-0380784-A2 (EP)
Inventor: KATAYAMA HIDEAKI NAGASAKI SHIP
IPC: B29L30/00
Filed: 1989-12-06
Abstract: Upon loading a green tire in a tire vulcanizing machine before shaping, bead portions of the green tires are expanded into a true circular shape and inserted to bead rings of upper and lower metal molds precisely in parallel thereto sequentially from one side to the other side of the green tire by means of same expansible/con­tractible sectors and same chucks which are movable vertically. An apparatus preferable for practicing the aforementioned method comprises a plurality of sectors for expanding into a true circular shape and holding a bead portion of the green tire, slide and linkage means for performing expansion/contraction operations of the sectors, and vertically movable chucks for inserting the bead por­tion of the green tire expanded and held by the sectors into a bead ring of a tire metal mold.
Patent EP-0372570-A2 (EP)
Inventor: INOUE SATOSHI
IPC: A61M1/02
Filed: 1989-12-08
Abstract: A blood collecting apparatus for collecting blood into a blood container includes control means operable to start the action of collecting blood into a blood container while the blood container is being continuously or intermittently vibrated by a vibrating means, to receive the result of measurement performed by a collected blood amount measuring means and the data of a set amount of blood to be collected into the blood container, and also a vibration stoppage reference time during which the vibration of the blood container is stopped at a blood collection terminating stage so as to calculate, at a midway stage of the blood collection, the amount of blood yet to be collected and the blood collecting speed allowed by the current donor, to calculate, on the basis of the calculated blood collecting speed, the yet-to-be-collected blood collecting time that corresponds to the amount of blood yet to be collected. 
     Further, the control means maintain the stoppage of the vibration of the blood container by the vibrating means on condition that the yet-to-be-collected blood collecting time has become not more than the vibration stoppage reference time, and cause a blood collection stopping means to stop the action of collecting blood into the blood container on condition that the result of measurement performed in the stoppage condition by the collected blood amount measuring means has reached the   set blood collection amount.
Patent EP-0326406-A2 (EP)
Inventor: MASAKI TANJI
IPC: G03C7/38
Filed: 1989-01-27
Abstract: A silver halide photographic light-sensitive material is disclosed, which has excellent characteristics peculiar to pyrazoloazole type magenta couplers and yet good suitability to rapid processing, and shows improvement in the gradiation in respect of softning at the toe portion of characteristic curve thereof without impairment of the image preservability and other photographic properties. The photographic material comprises a support having there on a silver halide emulsion layer containing a silver halide grain having a silver chloride content of not less than 90 mole%, a compound represented by the following Formula I, and acompound capable of deactivating the oxidized product of a color developing agent with a relative reaction rate of not less than 1.6;
      wherein R₁, R₂ and R₃ each represent a substituent other than hydrogen atom, which may be the same as or different from each other; Z represents a group of non-metal atoms necessary for completing a heterocyclic ring which may have a substituent; X represents a hydrogen atom or a group capable of being split off upon reaction with the oxidized product of a color developing agent.
Patent EP-0331387-A2 (EP)
Inventor: EVANS GARFIELD GEORGE
IPC: A23L19/18
Filed: 1989-02-27
Abstract: Potato crisps of high quality and improved mouthfeel are made by using thicker slices which are hot-washed and fried so as to achieve a final moisture content of not more than 2% by weight. The hot-washing step may be followed by heat-treatment with microwave energy, in which case shorter times and/or lower temperatures can be employed in the hot-washing step, and also the frying step can be preceded by a steaming step.
Patent EP-0333344-A2 (EP)
Inventor: CAPECCHI JOHN T
IPC: A61L27/16
Filed: 1989-03-01
Abstract: A corneal prosthesis (10) including an optical element (12) having an optically transparent central portion (16) and an anterior surface capable of supporting a layer of epithelial cells, the optical element being made of optical material having water content between 50% and 90% and a tensile strength greter than 20 kg/cm², and a porous outer skirt (14) secured to the periphery of said element, said skirt being sufficiently porous to permit cell ingrowth and tissue attachment. Also disclosed are methods of making, seeding and using corneal implants having epithelial layers thereon and porous implant material of a coherent mass of randomly oriented fibers having an interconnected network of pores.
Patent EP-0342975-A2 (EP)
Inventor: TOPPING JOHN
IPC: B21D53/08
Filed: 1989-05-18
Abstract: A radiator assembly system comprises:
     i) means for storing an array of cooler tubes;   ii) means for supplying fins in a successive sequence;   iii) means for maintaining a matrix of fins and tubes in an alternate arrangement;   iv) means for removing one tube from the array and locating it in a substantially parallel arrangement adjacent a fin at one end of the matrix; and,   v) means for receiving one fin from the fin supply and locating it in a substantially parallel arrangement between the tubes at the start of the matrix formation.   
     In this manner, fins may be received, one after another, from a fin mill and tubes removed, again, one after another, from a stack of tubes so that the main cooling portion of a vehicle radiator can be assembled automatically in an efficient manner.
Patent EP-0343875-A2 (EP)
Inventor: CHEN PING-HUANG
IPC: H04M1/05
Filed: 1989-05-19
Abstract: The disclosure relates to a headphone-convertible tele­phone hand set which can be converted into a headphone-like telephone and produce double-form or stereo-like sound in its receiver, thus permitting the present telephone to be worn on a user's head to free the user's hands as well as to imprive the normal function with increased clarity.
Patent EP-0349194-A2 (EP)
Inventor: TSUCHIDA TETSUO
IPC: B41M5/30
Filed: 1989-06-22
Abstract: The heat-sensitive record material according to this invention has a heat-sensitive recording layer on a base sheet, which comprises a colorless or pale colored basic chromogenic material and a phenolic compound developing a color by contacting with the chromogenic material. The recording layer comprises, as the basic chromogenic material, at least one fluoran derivative represented by the following formula [ I ] and at least one phthalide derivative represented by the following formula [II] in a weight ratio of 100 : 1∼20;
      wherein each R₁, R₂ represents alkyl, unsaturated alkyl, cycloalkyl, aryl, aralkyl or tetrahydrofurfuryl, each of which may have at least one substituent selected from the group consisting of halogen, alkyl and alkoxyl, R₁ may cooperate with R₂ to form a ring, each R₃, R₄ represents hydrogen, alkyl, halogen or alkoxyl, P represents hydrogen, halogen, alkyl, alkoxyl, halogenated alkyl, alkoxycarbonyl or dialkyl­amino, T represents hydrogen, alkyl or halogen, and n represents an integer of 1 to 4,  
      wherein each R₅∼R₁₀ represents hydrogen, C₁ ∼C₆, C₃∼C₆ unsaturated alkyl, C₅∼C₆ cycloalkyl, phenyl, C₇∼C₉ aralkyl or tetrahydrofurfuryl, each of which may have at least one substituent selected from the group consisting of halogen, C₁∼C₂ alkyl and C₁∼C₃ alkoxyl, each pair of R₅ and R₆, R₇ and R₈, and R₉ and R₁₀ may cooperate to form pyrrolidino ring, piperidino ring, morpholino ring or hexamethyleneimino ring, and Y represents halogen, C₁∼C₂ alkyl, C₁∼C₂ alkoxyl or C₂∼C₃ acyloxy.
Patent EP-0350333-A2 (EP)
Inventor: JOHNSON FREDERICK ALISTAIR
IPC: B23Q11/00
Filed: 1989-07-07
Abstract: The engine (5a) and other machinery within a marine vessel is mounted on a raft (4) which is relatively flimsy compared with conventional constructions. The raft (4) is supported by electromagnets (8) the current to which is controlled so as to avoid vibration and flexing which would otherwise take place and so as to reduce transmission of vibration to the hull and other parts of the ship.
Patent EP-0371597-A2 (EP)
Inventor: DAY CHRISTOPHER C
IPC: G05D7/06
Filed: 1989-10-12
Abstract: A fluid flow control apparatus including a fluid flow control valve (16), a fluid flow sensor (14), and a fluid flow control circuit (12) receiving a signal from the fluid flow sensor (14) and outputting a signal to the fluid flow control valve (16). The fluid flow control circuit (12) includes an actual control circuit (19) which outputs a signal related to the comparison of an actual flow signal and a desired flow signal, a desired flow comparator circuit (30) which outputs a signal based on the comparison of the desired flow signal with a desired flow threshold signal, and a summing circuit (24) which receives the outputs and provides a control signal based on these outputs.
Patent EP-0365282-A2 (EP)
Inventor: OKUSA HIROSHI
IPC: G03C7/36
Filed: 1989-10-17
Abstract: There is disclosed a silver halide color photographic light-sensitive material improving in preservability and processing stability, and capable of providing a dye image having excellent sharpness, said light-sensitive material comprising a support and provided thereon, a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, a red-sensitive silver halide emulsion layer, wherein said blue-sensitive silver halide emulsion layer comprises a single layer and contains a yellow coupler having a molecular weight of 250 to 700 per coupling site of said yellow coupler.
Patent EP-0367506-A2 (EP)
Inventor: PARKER DAVID W
IPC: C07B37/12
Filed: 1989-10-27
Abstract: Diadducts of  gamma -terpinene and Diels-Alder dienophiles are prepared in high yield by contacting dienophile and  gamma -­terpinene in a preferred molar ratio of at least about 2:1 at elevated temperatures. The resulting reaction product generally comprises at least about 80% diadducts and no more than about 20% monoadducts. Preferred dienophiles include maleic anhydride.
Patent EP-0412222-A2 (EP)
Inventor: CHRISTNER JODIE A
IPC: G11B5/64
Filed: 1989-11-28
Abstract: 0 A data storage medium for storing magnetically readable data has a substrate (16) with a substantially planar surface (18), a crystalline underlayer (20) deposited on the planar surface to a thickness within the range of from about 200 to 6000 Angstroms, and a crystalline recording layer (22) formed by epitaxial growth of a magnetic thin film upon the underlayer (20). The underlayer has a substantially uniform crystalographic orientation predetermined to control the orientation of crystals epitaxially grown upon the underlayer and the underlayer is comprised of individual grains having average diameters in the range of from about 100 to 1000 Angstroms. The crystalographic orientation of the recording layer is determined by the crystalographic orientation of the underlayer so that the axes of easy magnetisation of the crystals comprising the recording layer are substantially aligned in the plane parallel to the planar surface (18) and are comprised of individual grains in continuous and inter-connected interstitial regions between adjacent grains. Thus each grain is substantially isolated from its adjacent grains in order to reduce significantly exchange coupling inter-actions between neighbouring grains with the width of any one of the interstitial regions separating adjacent grains being at least three times the crystal lattice constant of the alloy comprised in the grains. The recording layer is formed with a thickness in the range of 300 to 1000 Angstroms. 
     The underlayer (20) consists essentially of at least one of the following elements: chromium, molybdenum, tungsten, bismuth, niobium, tantalum, vanadium and titanium. The recording layer (22) consists essentially of one of the following alloys:-
     a) cobalt at up to 95 atomic percent, chromium at from 5 to 18 atomic percent, and a third component at from 1 to 20 atomic percent and consisting of at least one of the following elements: tungsten, tantalum, molybdenum, vanadium, niobium, platinum, bismuth, zirconium, and hafnium;   b) cobalt at up to 93 atomic percent, nickel in the range of from 5 to 40 atomic percent and a third component from 2 to 20 atomic percent consisting essentially of at least one of the following elements: chromium, tantalum, tungsten, zirconium and platinum; and   c) cobalt and from 2 to 35 atomic percent of a second component consisting essentially of at least one of the following elements: sumarium, yttrium, chromium, nickel, selenium and tungsten.
Patent EP-0372945-A2 (EP)
Inventor: MUELLER FRIEDRICH PETER
IPC: B22D11/04
Filed: 1989-12-07
Abstract: A direct chill casting device is described comprising: (a) an axially upright, open-ended direct chill casting mould plate (10) having an inner axially extending wall or walls defining a mould cavity (11), an upper annular surface (12) and a lower annular surface (13), the mould plate (10) having a generally rectangular or square cross-section at points about the axis thereof with the horizontal dimensions of the cross-section being greater than the vertical height, (b) at least one coolant channel (15) formed within the mould (10) generally parallel to and laterally spaced from the cavity-defining walls, (c) coolant dispersal discharge passages (16) extending downwardly and outwardly between said coolant channel (15) and the lower surface of the mould plate (13) adjacent the mould cavity (11), and (d) a coolant manifold (18) mounted on the lower surface of the mould plate beneath the coolant channel (15) or channels and adapted to supply coolant fluid to the coolant channel (15) or channels.
Patent EP-0358592-A2 (EP)
Inventor: COURTNEY DANIEL P
IPC: G02B6/30
Filed: 1989-09-08
Abstract: A method for pigtailing an optical fiber (18) to a lithium niobate integrated optical device (I/O chip) (12) is shown and described wherein the bonding between the I/O chip and the optical fiber is a metallic bond. The lithium niobate may be attached to a metallic substrate (14) which is welded to a metallic fiber optic carrier (16) which is in turn welded to a metallized optical fiber. The fiber optic carrier may also be made of non-metallic materials which are given a metallic coating prior to attachment to the I/O chip by means of a metallic bond such as welding.
Patent EP-0387841-A2 (EP)
Inventor: SCHMELLER ANTON ING GRAD
IPC: H01F37/00
Filed: 1990-03-14
Abstract: A suppression choke arrangement is described, forming a structural unit having a single core of magnetic material, which arrangement can simultaneously attenuate and overcome both balanced and unbalanced interference in the current supply of electrical or electronic apparatuses. <IMAGE>
Patent EP-0389874-A2 (EP)
Inventor: KITAMURA MITSUO
IPC: H04L25/52
Filed: 1990-03-15
Abstract: A phase shift circuit (100) includes a first trailing-edge elongating circuit (110) that elongates a trailing edge of each pulse of an input clock signal so as to fall gradually and outputs a first clock signal having a first elongated fall time. A signal inversion circuit (120) inverts the first clock signal supplied from the first trailing-edge elongating circuit and outputs an inverted version of the first clock signal. A second trailing-edge elongating circuit (130) elongates a trailing edge of each pulse of the inverted version of the first clock signal so as to fall gradually and outputs a second clock signal having a second elongated fall time. The second clock signal is an output signal of the phase shift circuit and lags behind the input clock signal by a predetermined time (t) based on the first and second elongated fall times. The present invention further provides a repeater which uses the above-mentioned phase shift circuit.
Patent EP-0414993-A2 (EP)
Inventor: SENSO HITOSHI C O PIONEER ELEC
IPC: H04N9/81
Filed: 1990-03-23
Abstract: A video signal recording method and apparatus by means of which, when a video signal based on a high definition television system is to be converted into a video signal based on a current television system and recorded on record media, such video signals can be recorded so as not to cause a deterioration in picture image quality such as color phase irregularity. According to the video signal recording method, a screen to be displayed in accordance with signals of a high definition television system is divided into a plurality of screens, video signals of each of which are then converted into signals of a current television system. A luminance signal and a chrominance signal of each of the signals of the current television system are time division multiplexed. Signals obtained by such time division multiplexing are recorded onto a plurality of record media with or without a color burst signal added thereto for each line.
Patent EP-0394695-A2 (EP)
Inventor: YAMAMOTO SHINPEI C O TOYO BOSE
IPC: C08G18/44
Filed: 1990-03-29
Abstract: A radiation curable resin which is a reaction product of: having at least two (meth)acryloyl groups at both terminal ends of a molecular chain which is obtained by reaction of (1) a polyester polyol and/or polycarbonate polyol, (2) a diisocyanate, (3) a polyfunctional (meth)acrylate containing a hydroxyl group therein, and optionally (4) a compound having at least two active hydrogens in the molecule is disclosed. The resin has at least two (meth)acryloyl groups at a terminal end of the molecular chain. The molecular weight of the resin is 1,000 to 50,000, the urethane bonding concentration is not more than 3,000 equivalent/10⁶ g and the (meth)acryloyl group concentration is 100 to 6,000 equivalent/10⁶ g. A radiation curable resin composition containing the resin and a precoated metal using the composition are also disclosed.
Patent EP-0392462-A2 (EP)
Inventor: REPASI JANOS DR
IPC: G01N33/52
Filed: 1990-04-11
Abstract: The invention relates to a method for the selective complexometric quantitative determination of N-(phosphonomethyl)glycine, N-(phosphonomethyl)-N-(carboxymethyl)glycine, N,N-bis(phosphonomethyl)glycine or a mixture of N-(phosphonomethyl)- N-(carboxymethyl)glycine and N,N-bis(phosphonomethyl)glycine or a mixture of N-(phosphonomethyl)glycine and N,N-bis(phosphonomethyl)- glycine, in which
 a) a bismuth volumetric solution is used to determine the content of N-(phosphonomethyl)-N-(carboxymethyl)glycine or N,N-bis(phosphonomethyl)glycine at a pH of 1.5 to 2.5 in the presence of a methylthymol blue indicator and/or
 b) a copper volumetric solution is used to determine the sum of the content of N-(phosphonomethyl)glycine and N-(phosphonomethyl)- N-(carboxymethyl)glycine or N-(phosphonomethyl)glycine and N,N-bis(phosphonomethyl)glycine at a pH of 8 to 10 in the presence of a murexide indicator, and the content of N-(phosphonomethyl)glycine in the sample is calculated from the results of the two determinations where appropriate. 
<??>This method can be carried out simply, quickly and with little effort.
Patent EP-0399537-A2 (EP)
Inventor: HIKITA MITSUTAKA
IPC: H03H9/145
Filed: 1990-05-25
Abstract: A surface acoustic wave device comprises a piezoelectric substrate (1) and a plurality of electrode fingers (2, 3, 4, 6, 7, 8) which are located on the piezoelectric substrate along the propagation direction of a surface acoustic wave (10). The electrode fingers are located on the piezoelectric substrate at a pitch of about 1.5λo/2,λo indicating a wavelength of a surface acoustic wave with a frequency equivalent to the center frequency of the surface acoustic wave device. The width of each of the electrode fingers is about 1.5λo/4. Every other electrode finger (3) on the substrate is electrically independent of an external circuit (5, 9). 
     Since the width of electrode fingers is about 1,5λo/4, the surface acoustic wave device can be produced without a very fine processing technic.
Patent EP-0414244-A2 (EP)
Inventor: BAIERL JOSEF
IPC: C04B41/65
Filed: 1990-08-23
Abstract: The use of a spray mortar of a special composition for sealing sprayed asbestos cement coatings and a process for carrying out this sealing are described, whereby it is possible, without breaking off the sprayed asbestos cement coatings, to eliminate the hazards caused by released asbestos dust particles.
Patent EP-0430161-A2 (EP)
Inventor: URAKAMI FUKASHI
IPC: B62D57/024
Filed: 1990-11-27
Abstract: A device capable of moving along a surface (34) comprising at least two moving units (2A, 2B), wherein the units (2A, 2B) are linked to each other by a coupling means (66) capable of being stretched and contructed, each of the units has a state setting means (46) for selectively setting each of the units (2A, 2B) in a movable state along the surface (34) and in a surface-engaging state on the surface (34), and when one unit is set in a movable state and the other unit is set in a surface-engaging state and the coupling means (66) is stretched or contracted, said one unit is moved along the surface.
Patent EP-0434099-A2 (EP)
Inventor: BECKETT ALISON DARNELL
IPC: C08F2/50
Filed: 1990-12-21
Abstract: A process for texturing a coating via exposing a photocurable composition comprising a multifunctional urea compound, an ethylenically unsaturated compound, and an aromatic ketone photosensitizer that functions through a hydrogen abstraction mechanism when exposed to ultraviolet light.