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Kureha Kagaku Kogyo Kabushiki Kaisha Patents
Assignee:
Kureha Kagaku Kogyo Kabushiki Kaisha
Address:
Tokyo, JP
No. of patents:
706
Patents:


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Patent Number Title Of Patent Date Issued
4690849 Contact material for treating sewage of braided pile material September 1, 1987
Disclosed herein is a contact material for treating sewage, comprising a braid which is made of synthetic fibers and has loop piles, the weight of the synthetic fibers forming the loop piles being from 40 to 90% by weight of the synthetic fibers of the whole body of the braid.
4690704 Derivatives of tetrahydrobenzothiazole and herbicidal compositions containing the same as an act September 1, 1987
Disclosed herein are a derivative of tetrahydrobenzothiazole represented by the formula (I): ##STR1## wherein R represents a methyl group or ethyl group; R.sup.1 represents a hydrogen atom, a hydroxyl group, methoxy group or O.dbd.=together with R.sup.2 ; R.sup.2 represents a hyd
4687803 Dielectric films comprising stretched films of vinylidene fluoride and porcelain particles August 18, 1987
A dielectric film is a stretched body of a composition comprising a thermoplastic resin cross-linked to have a gel content of about 10 to about 75%, and finely divided dielectric porcelain particles dispersed in the thermoplastic resin. Stretching does not result in a decrease in the
4687607 Process for producing electrode substrate for use in fuel cells August 18, 1987
Disclosed herein is a process for producing a porous carbonaceous electrode substrate provided with elongated holes opening from one side to the opposite side of the electrode substrate through nearly the central region of the thickness of the substrate, for use in fuel cells, characteri
4686072 Process for preparing a carbonaceous five-layer fuel cell electrode substrate with elongated hol August 11, 1987
Disclosed herein are processes for preparing electrode substrate for fuel cells which has an integratedly press molded five-layer structure comprising a porous carbonaceous layer, a dense carbonaceous layer having a bulk density larger than the porous layer, a separator, a dense carb
4684664 Derivatives of .beta.-(4-isocyano-1,2,3,4-diepoxycyclopentyl) acrylic acid August 4, 1987
Disclosed herein are derivatives of .beta.-(4-isocyano-1,2,3,4-diepoxycyclopentyl)acrylic acid, the derivatives showing an antibacterial activity, an antifungal activity and an antimycoplasmal activity.
4681978 Process for producing 2,6-naphthalenedicarboxylic acid July 21, 1987
Disclosed herein is a process for producing 2,6-naphthalenedicarboxylic acid, comprising (1) oxidizing 2,6-diisopropylnaphthalene in a lower fatty acid as a solvent in the presence of a catalyst comprising a water-soluble cobalt salt and/or a water-soluble manganese salt in an amount of
4681877 Pivaloyloxymethyl 7-.beta.-[2-(2-amino-4-thiazolyl)-2-methoxyiminoacetamido]-3-(2-amino-1, 3- July 21, 1987
Disclosed herein are 7-beta-[2-(2-amino-4-thiazolyl)-2-methoxyiminoacetamido]-3-(2-amino-1,3,4- thiadiazolyl-5-thiomethyl)-3-cepheme-4-carboxylic acid, salts thereof and pivaloyloxymethyl ester thereof, and a pharmaceutical composition containing the same as an active ingredient.
4681764 Porous and spherical carbonaceous product July 21, 1987
Disclosed herein is a novel porous and spherical carbonaceous product having acidic groups, basic groups, phenolic hydroxyl groups and carboxyl groups as functional groups at the following relationships:(1) the equivalent ratio of the acidic groups to the basic groups is in the range of
4677449 Partially pressure-sensitized recording paper and process for preparing the same June 30, 1987
Disclosed herein are a recording paper which is partially pressure-sensitized, comprising microcapsules containing a solution of a colorless color former, sheet material and binder, the microcapsules being fixed to a specified part of a surface of the sheet material via the binder pa
4676258 Device for hyperthermia June 30, 1987
A device for radio-frequency hyperthermia havinga first electrode adapted to be disposed in a tract organ of a living body.A second electrode is provided which is adapted to be disposed on an outer circumference of the living body such that the second electrode is opposed to the first electr
4675094 Oxygen-cathode for use in electrolysis of alkali chloride and process for preparing the same June 23, 1987
Disclosed herein are an oxygen-cathode for use in electrolysis of an alkali chloride, comprising a current collector made of a compact carbonaceous material, an electrode substrate made of a porous carbonaceous material and the catalyst carried on the electrode substrate, wherein the ele
4673669 Pharmaceutical composition containing a derivative of para-aminobenzoic acid as an active ingred June 16, 1987
Disclosed is a pharmaceutical composition containing an aminobenzoic acid derivative as an active ingredient represented by the following general formula: ##STR1## wherein .sup.1 R donotes one member selected from the group consisting of the residual groups formed by removing OH
4670527 Shaped article of vinylidene fluoride resin and process for preparing thereof June 2, 1987
Disclosed herein are a shaped article of vinylidene fluoride resin having an inherent viscosity of 0.85 to 1.4 dl/g, Huggins' constant of not more than 0.45, an average length of crystals in the direction of oriented molecular chains of the resin of longer than 200 .ANG., a birefringence
4670344 Microcapsule for pressure-sensitive recording paper and process of preparing same June 2, 1987
A microcapsule enclosing a color-former solution for a pressure-sensitive recording paper is prepared by a process in which a water-soluble cationic urea resin and at least one of prepolymer selected from the group consisting of melamine-formaldehyde prepolymer, urea-formaldehyde pre
4668815 Derivatives of phenylacetic ester, a process for producing the same and insecticidal composition May 26, 1987
Disclosed herein are derivatives of phenylacetic ester represented by the formula (I): ##STR1## wherein R.sup.1 represents a halogen atom or a lower alkoxy group; R.sup.2 represents a lower alkyl group; R.sup.3 represents a hydrogen atom or a methyl group; R.sup.4 represents a hy
4668627 Novel antibiotic compound May 26, 1987
A novel antibiotic compoudn 3-(6-isocyano-3,7-dioxatricyclo[4.1.0.0.sup.2,4 ]hept-4-yl)propenoic acid is produced by a newly isolated microorganism belonging to the genus Penicillium.
4667001 Shaped article of vinylidene fluoride resin and process for preparing thereof May 19, 1987
Disclosed herein are a shaped article of vinylidene fluoride resin, which having an average length of crystals in the direction of oriented molecular chains of the resin of longer than 200 .ANG., a birefringence of not less than 30.times.10.sup.-3 and a Young's modulus of not less than
4666861 Aqueous solution as an eluent used in liquid chromatography May 19, 1987
Disclosed is an aqueous solution as an eluent used in liquid chromatography for analysis of a specimen obtained from a human living body, comprising a mixture of acetonitrile and an aqueous solution of a member selected from the group consisting of acetic acid, a polybasic organic acid,
4666755 Porous fuel cell electrode substrate having elongated holes for feeding reactant gases May 19, 1987
A porous carbonaceous electrode substrate for a fuel cell disclosed herein has elongated holes for feeding reactant gases to the fuel cell. The holes are elongated from one side to the opposite side of the substrate and parallel to each other and to the electrode surface.
4664988 Fuel cell electrode substrate incorporating separator as an intercooler and process for preparat May 12, 1987
Disclosed herein is an electrode substrate for fuel cells comprising two porous, carbonaceous layers, each having a number of elongated holes for feeding reactant gases into a fuel cell which are provided near the center of the thickness in said layer, and a gas impermeable, carbonaceous
4663438 Novel nucleic acid-containing glycoprotein May 5, 1987
Disclosed herein is a nucleic acid-containing glycoprotein having molecular weight of 5,000 to 300,000 as determined by ultracentrifugal method; the weight ratio of protein moiety thereof determined by Lowry-Folin's method to saccharide moiety thereof determined by phenol-sulfuric acid m
4663312 P-aminobenzoic acid-N-L-rhamnoside pharmaceutical compositions for treating inflammatory disease May 5, 1987
Disclosed is a method for the treatment of hyperglycemia, hyperlipemia, inflammatory diseases, pains due to the accentuation of central nerve, pyrexia due to the accentuation of central nerve or tumor, which comprises administering to a patient suffering therefrom a pharmaceutically
4662383 Endotract antenna device for hyperthermia May 5, 1987
An endotract antenna used for hyperthermia treatments. A microwave radiation antenna is surrounded by a balloon-like member made of a thin polymeric film. Tubes for feeding and draining a cooling liquid to and from the inside of the balloon-like member enable the device to effectivel
4659789 Phenylene sulfide resin compositions April 21, 1987
A novel phenylenesulfide resin composition comprises(I) a poly-p-phenylenesulfide,(II) a poly-m-phenylenesulfide, and(III) a phenylenesulfide block copolymer consisting essentially of a repeating unit ##STR1## (A) and a repeating unit ##STR2## (B), wherein from 20 to 5,000 units
4657895 Pharmaceutical composition containing para-aminobenzoic acid-N-L-rhamnoside as an active ingredi April 14, 1987
Disclosed is a pharmaceutical composition containing p-aminobenzoic acid-N-L-rhamonoside or a pharmaceutically acceptable salt thereof as an active ingredient.
4656234 Dielectric film for capacitor and process for producing same April 7, 1987
Vinylidene fluoride polymer films are provided having improved dielectric constants and tan .delta. values and which do not exhibit substantial shrinkage when heated to temperatures below the crystalline melt point. Processes for preparation of such films are presented.
4654251 Printing material set for preparing bar-code labels by pressure-sensitive printing method March 31, 1987
Disclosed herein is a printing material set for preparing bar-code labels by pressure-sensitive printing method comprising (a) a printing tape of a film carrying on the inside surface thereof the microcapsules containing the minute particles of a pigment dispersed in a solution of an adh
4650515 Derivative of tetrahydrobenzothiazole and herbicidal composition containing the same as active i March 17, 1987
Disclosed herein are the derivatives of tetrahydrobenzothiazole represented by the general formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom, a straight-chain alkyl group having 1 to 6 carbon atoms or branched-chain alkyl group having 1 to 6 carbon atoms, a cycloal
4649133 Method for the treatment of pains or pyrexia due to the accentuation of central nerve March 10, 1987
Disclosed is a method for the treatment of hyperglycemia, hyperlipemia, inflammatory diseases, pains due to the accentuation of central nerve, pyrexia due to the accentuation of central nerve or tumor, which comprises administering to a patient suffering therefrom a pharmaceutically
4645826 Process for production of high to ultra-high molecular weight linear polyarylenesulfides February 24, 1987
By maintaining an arylenesulfide prepolymer with a melt viscosity of 5 to 3,000 poise at a temperature of 245.degree. to 290.degree. C. under a liquid-liquid two-phase separated state in a solvent for 1 to 50 hours, the molecular weight of said prepolymer is increased to a high to ul
4644025 Lens materials of high refractive indexes February 17, 1987
Compositions each comprising a copolymer of a specific allylic or (meth)acrylic compound of an iodine-substituted benzoic acid derivative and a comonomer have a refractive index n.sub.D.sup.20 of at least 1.58 and an Abbe's number of at least 28 and are excellent starting materials f
4640847 Partially pressure-sensitive recording paper February 3, 1987
Disclosed herein is a process for producing a partially pressure-sensitive recording paper comprising dispersing microcapsules containing a solution of color-former, into a thermally melting suspension medium selected from the group consisting of Japan tallow (haze wax), Carnauba wax, Mo
4638087 6-substituted naphthalene-2-carboxylic acids and process for producing the same January 20, 1987
Disclosed herein are the novel 6-substituted naphthalene-2-carboxylic acids represented by the formula (I): ##STR1## wherein X represents a hydroperoxy group or a hydroxy group, and a process for producing the 6-substituted naphthalene-2-carboxylic acid represented by the formula
4637998 Pharmaceutical composition containing a derivative of para-aminobenzoic acid as an active ingred January 20, 1987
Disclosed is a pharmaceutical composition containing an aminobenzoic acid derivative as an active ingredient represented by the following general formula: ##STR1## wherein .sup.1 R denotes one member selected from the group consisting of the residual groups formed by removing OH
4636553 Thermoplastic resin composition January 13, 1987
A thermoplastic resin composition of high heat resistance and high impact resistance is described, comprising: (A) 5 to 85% by weight of a copolymer prepared from 40 to 85% by weight of a monomer mixture of 2-isopropenylnaphthalene (2-IPN) and .alpha.-methylstyrene (.alpha.-MeSt), th
4632873 Ultrafine fiber of an ethylene tetrafluoride copolymer and a process for producing it and a poro December 30, 1986
Ultrafine fiber of an ethylene tetrafluoride copolymer having an orientation degree (.pi.) of at least 0.6 and an average fineness of 0.0001 to 0.9 denier. A process for producing such fiber or a porous membrane thereof is also disclosed.
4632743 Method for examining cells by electrophoresis December 30, 1986
Cells, particularly lymphocytes in peripheral blood or lymphatic tissues such as thymus, spleen and lymph node, are examined by measuring an electrophoretic property, such as a fraction of the number of the cells having an electrophoretic mobility within a predetermined range to the
4629928 Electrode terminal structure for a piezoelectric polymer December 16, 1986
An electrode terminal structure for a polymer piezoelectric element is provided. The polymer piezoelectric element comprises a polymer piezoelectric film and a pair of electrode films formed on both sides of the piezoelectric film. A conductor plate and an insulating plate are succes
4629654 Vinylidene fluoride resin monofilament and process for producing the same December 16, 1986
A vinylidene fluoride resin monofilament excellent in tensile strength and knot strength is further improved in abrasion resistance by heat-treating the oriented monofilament for such a short time period as to relax the orientation of only the surface portion of the monofilament. The
4628573 Process for producing array-type ultrasonic probe December 16, 1986
Array type ultrasonic probes including those of the annular array type and the linear array type are produced with a high accuracy of arrangement of unit transducer elements by first providing an integral processed plate wherein unit back electrodes are almost configurated into their fin
4628050 Antinephritic pharmaceutical composition containing 24, 25-dihydroxycholecalciferol as an active December 9, 1986
Disclosed herein is a pharmaceutical composition in dosage unit form, which comprises a dosage effective for treating nephritic disease of a compound of 24,25-dihydroxycholecalciferol as an active ingredient and a pharmaceutically acceptable carrier.
4626687 Infrared sensor December 2, 1986
In an infrared sensor having a pyroelectric element and a FET in a high frequency electric field and infrared radiation shielding case, a capacitor is located in the case and connected to at least one of the drain and source electrodes of the FET in order to remove an influence due t
4624698 Herbicidal tetrahydrobenzothiazolyl-1,3,5-triazinone derivatives and compositions thereof November 25, 1986
Disclosed herein is a derivative of tetrahydrobenzothiazolyl-1,3,5-triazinone represented by the formula (I): ##STR1## wherein R is a chemical group selected from the group consisting of 1-phenylethyl, 1-methylpropyl, 2-methylpropyl, allyl, 2-propynyl, cyclopropyl, cyclopentyl, p
4624697 Derivatives of tetrahydrobenzothiazole and herbicidal compositions containing the same as an act November 25, 1986
Disclosed herein are a derivative of tetrahydrobenzothiazole represented by the formula (I): ##STR1## wherein R represents a methyl group, ethyl group or propyl group; R.sup.1 represents a hydrogen atom, a hydroxyl group methoxy group, acetoxy group, propionyloxy group, butylylox
4617268 Process for the preparation of adenosine-5'-triphosphate by fermentation October 14, 1986
Disclosed in this invention is a process for the preparation of adenosine-5'-triphosphate by means of fermentation, using an adenosine-5-triphosphate-producing bacterium which assimilates methanol.
4617231 Electroconductive film and process for production thereof October 14, 1986
An electroconductive film having moderate transparency and electroconductivity and excellent mechanical properties inclusive of a good tear strength is provided through a process wherein an electroconductive fiber is dispersed over a thermoplastic resin film, and the thus formed loos
4617104 Cell unit for observing electrophoresis October 14, 1986
The disclosed invention relates to a cell unit for use in observing an electophoresis which utilizes a measurement cell which accommodates a liquid specimen. A pair of conduit elements are used to introduce and discharge the liquid specimen into and from the measurement cell with one
4615943 Vinylidene fluoride copolymer film October 7, 1986
A transparent film of a vinylidene fluoride copolymer, comprising a dry film of a vinylidene fluoride copolymer having a parallel light transmittance of 85% or higher at a film thickness of 30 microns. The transparent film is obtained by forming a mixture of a vinylidene fluoride cop
4614733 Polysaccharides pharmaceutical compositions and the use thereof September 30, 1986
Polysaccharides having antitumor and other useful pharmacological activities and a process for preparing such polysaccharides are disclosed. These polysaccharides are characterized by .alpha.-bonding of the saccharide component and can be produced from the extracts obtained by the ex
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