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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
4540702 2-Substituted-4-thiazolidones September 10, 1985
Disclosed herein novel compounds, 2-substituted-4-thiazolidones having anti-peptic ulcer activity, and methods for producing the same.
4540689 Penicillin derivative September 10, 1985
A penicillin derivative having an antibacterial activity similar to a penicillin antibiotic in a living body without affecting the intestinal bacterial colonies, a process for preparing the derivative and a pharmaceutical composition in a dosage unit form containing the derivative as
4537953 Process for producing aromatic sulfide polymer with alkaline earth metal oxide dehydrating agent August 27, 1985
The improvement in a process for producing an aromatic sulfide polymer from (A) hydrous sulfide of an alkali or alkaline earth metal and (B) a dihalo-aromatic compound is disclosed. The improvement is concerned with how the hydrous sulfide is dehydrated and comprises dehydrating the
4534975 Pharmaceutical composition containing 24,25-dihydroxycholecalciferol in methods of treatment August 13, 1985
Disclosed is a pharmaceutical composition in dosage unit form which comprises a dosage effective for the treatment of pains and pyrexia, hypertension, hypotension, hyperlipemia, inflammatory diseases or diseases due to the functional accentuation of thrombocytes of a compound of 24,2
4534155 Solid material packing method and machine August 13, 1985
A solid material packing method and apparatus are disclosed wherein the plastic film bags are transported from a storage location to a packing location by a pivotable taking member having adhesive surfaces at its free end. The taking member includes an elongate adhesive tape which can be
4525414 Heat-shrinkable composite laminate film and process for preparing the same June 25, 1985
Disclosed herein is a heat-shrinkable composite laminate film comprising an intermediate layer of a copolymer of vinylidene chloride, an outer layer of a polyamide, another outer layer of an olefin resin and two adhesive layers disposed between the intermediate layer and each of the two
4522895 Multilayer fuel cell electrode substrate having elongated holes for feeding reactant gases June 11, 1985
A carbonaceous multilayer electrode substrate for a fuel cell disclosed herein has elongated holes for feeding reactant gases to the fuel cell. The electrode substrate comprises at least one porous carbonaceous layer having such holes. An electrode substrate of the invention comprises su
4521483 Vinylidene fluoride resin filament and production thereof June 4, 1985
A composite fiber comprises at least a two layer structure of a sheath and a core, each layer comprising a vinylidene fluoride resin, the core portion having an inherent viscosity of 1.10 dl/g and the sheath portion having an apparent viscosity lower than that of the core portion, said
4516222 Laminated magnetic bubble device May 7, 1985
Herein disclosed is a laminated magnetic bubble device of a multiple layer structure composed of at least one thin magnetic film having low coercive force and vertically oriented anisotropy which can allow easy generation and erasure of a magnetic bubble, and at least one thin magnetic f
4515676 Cell unit for observing electrophoresis May 7, 1985
A cell unit for observing electrophoresis comprisinga seal member in the form of an endless loop having penetrating holes passing therethrough between outside and inside of the loop at opposing positions of a circumferential wall thereof,a cell situated substantially in the inside of the loo
4514558 Process for producing aromatic sulfide polymer with anhydrous amorphous vitreous complex dehalog April 30, 1985
A process for obtaining an aromatic sulfide polymer which has a markedly high molecular weight and can be readily formed into films, fibers, and other structures. The process comprises heating, to a temperature of 100.degree. to 270.degree. C. in an organic solvent under the coexistence
4507039 Automatic parison feed system March 26, 1985
The present invention relates to an automatic parison feed system for tubular plastic parisons. The parisons are fed, one at a time, from a parison feed unit into a parison loading unit. The parison loading unit, which holds a parison vertically, is positioned above a shuttered aperture
4504773 Capacitor discharge circuit March 12, 1985
A capacitor discharge circuit constructed by a combination of a mechanical switch and an electronic switch. The electronic switch is automatically turned on with a predetermined time delay after closing of the mechanical switch. The mechanical switch is used to completely separate a high
4504631 Photoresist material March 12, 1985
The photoresist material comprises a polymer having chloromethyl groups introduced therein and containing 2-isopropenylnaphthalene as one component, an average substitution degree of the chloromethyl groups based on the polymer is within a range of 0.2 to 5.The photoresist material has a
4504487 Platinum compound and drug March 12, 1985
The present invention relates to a platinum compound having the formula ##STR1## wherein R represents hydrogen atom, an alkali metal atom or a lower alkyl group. The platinum compound is effective as an antitumor and antimicrobial drug.
4501870 Fine particles of polyvinyl chloride and process for producing the same February 26, 1985
Fine particles of polyvinyl chloride produced by bulk polymerization which comprise substantially discrete spherical particles with particle sizes of 0.2 to 2 microns, a plastisol prepared by adding 80 parts by weight of dioctylphthalate to 100 parts by weight of said particles having a
4501738 Pharmaceutical composition containing 24,25-dihydroxycholecalciferol as an active ingredient to February 26, 1985
Disclosed is a pharmaceutical composition in dosage unit form which comprises a dosage effective for the treatment of pains and pyrexia, hypertension, hypotension, hyperlipemia, inflammatory diseases or diseases due to the functional accentuation of thrombocytes of a compound of 24,2
4501737 Pharmaceutical composition containing 24,25-dihydroxycholecalciferol as an active ingredient to February 26, 1985
Disclosed is a pharmaceutical composition in dosage unit form which comprises a dosage effective for the treatment of myodystrophia of a compound of 24,25-dihydroxycholecalciferol and a pharmaceutical acceptable carrier or diluent therefor.
4497710 Substrate for liquid chromatography and process for isolating and purifying fat-soluble substanc February 5, 1985
A substrate for liquid chromatography comprising a spherical particle of highly cross-linked polymer which is produced from (a) 100 parts by weight of a monomer of vinyl ester, acrylate or methacrylate, these esters having a long alkyl chain, if desired, together with a comonomer copolym
4496574 Penicillin derivative January 29, 1985
A penicillin derivative having an antibacterial activity similar to a penicillin antibiotic in a living body without affecting the intestinal bacterial colonies, a process for preparing the derivative and a pharmaceutical composition in a dosage unit form containing the derivative as
4496561 Cephalosporin derivative January 29, 1985
A cephalosporin derivative having an antibacterial activity similar to a cephalosporin antibiotic in living bodies without affecting the intestinal bacterial colonies, a method for preparing the derivative and a pharmaceutical composition in a dosage unit form containing the derivative
4495332 Process for producing aromatic sulfide polymers January 22, 1985
A process for obtaining aromatic sulfide polymer which has a markedly high molecular weight and can be readily formed into films, fibers, and other structures. The process comprises heating, in an aprotic solvent to a temperature of 100.degree. to 250.degree. C., (i) a dihaloaromatic
4495249 Heat shrinkable multi-layered laminate film January 22, 1985
Disclosed herein is a heat-shrinkable multi-layered laminate film comprising a core layer made of a saponified copolymer of ethylene and vinyl acetate, two outer layers made of a mixture of a copolymer of ethylene and vinyl acetate having a crystal melting point of 85.degree. to 103.
4493928 Crosslinked chitin derivatives January 15, 1985
A novel crosslinked polymeric substance and a process for preparing the novel crosslinked polymeric substance are disclosed, the novel crosslinked polymeric substance being prepared from natural chitin or regenerated chitin and the polymeric substance having an amphoteric capability.
4492597 1,5-Diphenyl derivative of 1,2,4-triazole-3-carboxamide and herbicide containing the same January 8, 1985
A compound of 1,5-disubstituted 1,2,4-triazole-3-carboxamide represented by the general formula; ##STR1## wherein R.sup.1 is alkyl of one to three carbon atoms, chloro, fluoro, iodo, trifluoromethyl or nitro, R.sup.2 is hydrogen, methyl or chloro, R.sup.3 is hydrogen or methyl is
4492137 Apparatus for removing ligating fittings on smoking casings January 8, 1985
While conveyed along a deck plate of the apparatus, a smoked ham is conveyed toward a side of the deck plate to have an outer end of an ear of smoked ham casing sandwiched by a sandwiching conveyer, a shoulder of the smoked ham is then pushed by a first guide portion of a guide so that a
4491482 Powdery material of minute composite ceramic particles having a dual structure and a process and January 1, 1985
A powdery material of minute composite ceramic particles having a dual structure, comprising the core formed of zirconium oxide and the outer shell formed of aluminum oxide,a process for producing thereof, which comprisesintroducing gaseous zirconium chloride into a combustion chamber provid
4486810 Electrode lead tab for capacitor December 4, 1984
An electrode lead tab for oil-impregnated capacitors having dielectric sheets and electrode foils laminated to each other, in which a plurality of cutting lines or rifts are provided to a tab main body, so that the tab main body can ensure a close electrical contact at a plurality of reg
4482452 Process for preparing raw material for producing carbon material November 13, 1984
The present invention relates to a process for preparing raw material containing small amount of quinoline-insoluble component for producing carbon material, comprising the steps of admixing a heavy oil of coal origin or of petroleum origin with an organic solvent having a boiling po
4481027 Derivatives of tetrahydrobenzothiazole and herbicidal compositions _containing the same as an ac November 6, 1984
Disclosed is a derivative of tetrahydrobenzothiazole represented by the general formula (I): ##STR1## wherein R.sup.1 represents one of the following groups: ##STR2## wherein R.sup.2 represents a hydrogen atom, methyl group, acetyl group, benzoyl group, phenoxycarbonyl group
4476328 Process for producing 3,3,3-trifluoropropyl substituted phenol October 9, 1984
A novel trifluoropropyl derivative of mono-substituted benzene represented by the general formula: ##STR1## wherein R is halogen atom, hydroxy, trifluoromethyl, n-octyl, n-dodecyl, or phenoxy group not substituted or mono-substituted by 3,3,3-trifluoropropyl group, and n is an in
4474853 Sorbent comprising spherical particles of activated carbon depositing non-crystalline compound o October 2, 1984
Disclosed herein are a sorbent comprising spherical particles of activated carbon formed from a pitch and/or a synthetic, organic high polymer, to which a non-crystalline compound of zirconium has been deposited in an amount of 1 to 10% by weight (calculated as ZrO.sub.2) to the weight
4473702 Method for producing diallyl ester of aromatic dicarboxylic acid September 25, 1984
A novel method for producing a diallyl ester of an aromatic dicarboxylic acid, particularly a diallyl ester of an aromatic symmetrical dicarboxylic acid by ester-exchange of a dialkyl ester of the aromatic dicarboxylic acid with allyl alcohol in the co-presence of two kinds of catalysts
4472907 Method of cultivating Ganoderma lucidum (Fr.) Karst. September 25, 1984
A fruit body of Ganoderma lucidum (Fr.) Karst. having a long stipe is prepared by the method of the invention comprising the following steps;(a) cultivating a seed culture of a Ganoderma lucidum (Fr.) Karst. strain in an artificial solid medium to obtain a fungal tissue bed,(b) maintaining t
4469978 Electrode arrangement for a folded polymer piezoelectric ultrasonic detector September 4, 1984
An ultrasonic detector is provided wherein electrodes are formed on the front and rear surfaces of a high polymer piezoelectric film, such that opposing electrode portion and nonopposing electrode portions are alternately and continually formed, most parts of the electrodes on the fr
4469747 Dielectric films and process for preparing same September 4, 1984
The dielectric film contains from 40 to 97% by volume of a thermoplastic resin, from 2 to 50% by volume of a ceramic dielectric and from 1 to 25% by volume of carbon black. The composite film contain a base film layer composed of said dielectric film and the dielectric film of the th
4469138 Pipes made of polypropylene reinforced with carbon fibers September 4, 1984
Pipes of polypropylene reinforced with carbon fibers comprising 100 parts by weight of polypropylene, 10 to 40 parts by weight of a modified polypropylene by an organic unsaturated carboxylic acid or a copolymer of propylene and the organic unsaturated carboxylic acid and 5 to 70 parts b
4468171 Method of controlling air flow rate of fan August 28, 1984
The air flow rate of a fan driven by a motor controlled by an adjustable speed control equipment is automatically controlled by stopping the adjustable speed control equipment in response to a fault signal therefrom during operation with an inlet vane installed upstream of the fan in ful
4467202 Photoelectric detector August 21, 1984
The photoelectric detector contains a photosensor or light-sensing element of a pyroelectric polymer film interposed by two disturbance-preventive chambers such that the two disturbance-preventive chambers are designed so as to equalize the pressures therein to ambient pressure.The photo
4465827 Process for preparing high polymeric substance having saccharide side chains August 14, 1984
Disclosed are novel high polymeric substances having saccharide side chains, suitable as a high polymeric material having several functions for medical treatments and a process for preparing thereof.
4464396 4-[N-(Hydroxybenzyl)aminomethyl]cyclohexane-1-carboxylic acid August 7, 1984
A novel compound of 4-[N-(hydroxybenzyl)aminomethyl]-cyclohexane-1-carboxylic acid represented by the general formula (I): ##STR1## wherein n is an integer of 1 to 3, or a salt or an ester thereof which has specific pharmacological activities, a method for preparing the derivativ
4460722 Process for producing a microcapsule July 17, 1984
Disclosed herein a process for producing a microcapsule having an excellent solvent-resistance and a thermal stability, and an extremely minute amount of unreacted formaldehyde, comprising the steps of dispersing a substance to be encapsulated into an aqueous solution containing a water-
4460705 Catalyst for oxidative dimerization July 17, 1984
Disclosed is a catalyst for the oxidative dimerization of toluene, comprising a composition represented by the general formula:whereinM represents at least one element selected from the group consisting of beryllium, magnesium, calcium, strontium and barium; M' represents at least one el
4459342 Ribbed substrate for fuel cell electrode July 10, 1984
A porous ribbed substrate for a fuel cell electrode is herein disclosed which has a ribbed layer on one side and a non-ribbed layer with a bulk density larger than the bulk density of the ribbed layer. The fuel cell electrode substrate has a porosity of 50-80% and good mechanical strengt
4456646 Laminate film having a heat-shrinkage rate greater than 15 percent at 90.degree. C. June 26, 1984
Described is a laminate film excellent in oil-resistance, heat-resistant sealing ability, peel resistance and gas-barriering property having a percentage of heat-shrinkage of larger than 15% at 90.degree. C. comprising a center layer consisting of a copolymer(I) of vinylidene chlorid
4455206 Shaped article of collagen and process for preparing same June 19, 1984
A shaped article of collagen having 5 to 20 .mu.m of thickness, the peak maximum temperature of endothermic denaturation thereof being in the range of 62.degree. to 71.degree. C., the wet tensile strength thereof being in the range of 3 to 6 kg/mm.sup.2 and the wet tear strength thereof
4451674 Substituted benzene derivatives having at least one benzene ring substituted by 3,3,3-trifluorop May 29, 1984
A novel trifluoropropyl derivative of mono-substituted benzene represented by the general formula: ##STR1## wherein R is halogen atom, trifluoromethyl, n-octyl, n-dodecyl, or phenoxy group not substituted or mono-substituted by 3,3,3-trifluoropropyl group, and n is an integer of
4451640 Process for producing aromatic sulfide polymer May 29, 1984
Disclosed herein is a process for producing an aromatic sulfide polymer, comprising the step of reacting elementary sulfur, a polyhalogen-substituted aromatic compound, an aldehyde or a condensate thereof and a caustic alkali in an organic solvent.
4451590 Organic friction material May 29, 1984
Disclosed herein is an organic friction material comprising 5 to 25% by volume of metallic fiber, 3 to 40% by volume of activated carbon, 3 to 15% by volume of carbon fiber, 7 to 47% by volume of an organic and inorganic filling material and 10 to 30% by volume of phenolic resin.
4451457 Cyclodextrin and method for promoting the proliferation of intestinal bifidobacteria May 29, 1984
Disclosed is an agent comprising cyclodextrin as the active ingredient and a method for using such agent to promote the proliferation of intestinal bifidobacteria in animals.
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