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Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha


Location: JP
No. of patents: 34

NumberTitleIssue Date
6063462Multilayer film
A flexible multilayer film suitable as a (food-)packaging material includes a first seal layer comprising principally a metallocene-catalyzed polyolefin, and a second seal layer comprising a copolymer of at least one oxygen-containing monomer and ethylene...
05/16/2000
6005112Process for producing pyridinecarboxamides or thiocarboxamides
A process for producing N-substituted pyridine carboxamide or thiocarboxamide, comprising reacting a substituted or unsubstituted pyridine metal compound with substituted isocyanate or isothiocyanate to obtain an addition reaction product thereof, and the...
12/21/1999
5845430Leader for fly fishing and process for producing the same
Provided in the present invention are a leader for fly fishing comprising a monofilament of a vinylidene fluoride resin, said leader consisting of a butt section, a taper section and a tippet section, a diametral unevenness of the tippet section being les...
12/08/1998
5833070Stretched polychlorotrifluoroethylene film, process for the production thereof and packaged product using the film
A stretched PCTFE (polychlorotrifluoroethylene) film is provided with a good moisture-proofness (low moisture permeability) even at a relatively small thickness and at a small crystallinity The film is characterized by a crystallinity A (%) of 15-75% and ...
11/10/1998
5789432Aromatase-inhibiting composition containing azole derivative
The disclosure describes a pharmaceutical composition comprising an aromatase-inhibiting effective amount of a compound selected from the group consisting of compounds of the formula (I): ##STR1## including their stereoisomers and salts thereof, wher...
08/04/1998
5772974Carbonaceous electrode material for battery and process for production thereof
A battery electrode material having a large charge-discharge capacity and capable of providing a (non-aqueous solvent-type secondary) battery of a high energy density is provided in the form of a carbonaceous material having a microtexture suitable for do...
06/30/1998
5726128Benzyloxypyrimidine derivative, processes for producing the same and herbicidal composition
1. A benzyloxypyrimidine derivative of the formula (I): ##STR1## wherein R1 represents hydrogen, a halogen, C1 -C4 alkyl, C1 -C4 haloalkyl, C1 -C4 alkoxy, C1 -C4
03/10/1998
57234122-benzyloxy-4-phenoxypyrimidine derivative, processes for producing the derivative and herbicidal composition containing the derivative
A 2-benzyloxy-4-phenoxypyrimidine derivative represented by the formula (I): ##STR1## wherein R1 represents hydrogen, a halogen, C1 -C4 alkyl, C1 -C4 haloalkyl, C1 -C4 alkox...
03/03/1998
5705701Process for producing trimethylsulfoxonium bromide
In a process for producing trimethylsulfoxonium bromide by reacting dimethyl sulfoxide and methyl bromide, methyl bromide is added to a mixture of dimethyl sulfoxide and a stabilizing agent under atmospheric pressure intermittently or continuously so that...
01/06/1998
56912772-(unsubstituted or substituted) (benzyloxy or phenoxy)-4-substituted-6-(meta-substituted phenoxy)pyridine, process for producing the same, and herbicidal composition
A 2-(unsubstituted or substituted) (benzyloxy or phenoxy)-4-substituted-6-(meta-substituted phenoxy)pyridine represented by the formula (I): ##STR1## wherein R represents C1 -C4 alkoxy or cyano; each X, which may be identic...
11/25/1997
5686081Divided package of adsorbent for internal use
Disclosed herein are a divided package of a medicinal adsorbent for internal use, comprising a divided package bag and an adsorbent for internal use which releases air ranging from 1.3 to 10 ml based on one gram of the adsorbent on heating from 10° C. to...
11/11/1997
5681979Process for the producing of alkylcyclopentanone derivatives
The present invention provides a process for producing alkylcyclopentanone derivatives of formula (1) by reacting alkyl cyclopentanone derivatives of formula (2) and alkyl halides of formula (3) in an organic solvent in the presence of molecular sieves an...
10/28/1997
5658663Vinylidene fluoride resin fiber and process for producing the same
A vinylidene fluoride resin fiber have a diameter of not less than 0.5 mm, and satisfy the formulae (1) and (2): Raࣙ0.5 (1) Rbࣙ(Ra+Rc)/3.0 (2) wherein Rc represents a ratio of abs...
08/19/1997
5633393Estradiol derivative-alkylating agent conjugate with reduced hormonal activity, process for preparing the same, compounds useful for the preparation thereof, and growth inhibiting compositon containing the conjugate or estradiol derivative.
Conjugates of the formula ##STR1## are prepared by reacting an estradiol derivative with a compound of the formula: ##STR2## in the presence of thionyl chloride or a metal hydride at -30° to 150° C. for 3 minutes to 48 hours and then reco...
05/27/1997
56249422-phenoxy-6-thienylmethyloxypyridine derivative and herbicidal composition containing same
A 2-phenoxy-6-thienylmethyloxypyridine derivative represented by the formula (I): ##STR1## wherein R represents hydrogen, a halogen, cyano, C1 -C4 alkyl, C1 -C4 alkoxy, C1 -C4 alkylthi...
04/29/1997
5599770Herbicidal composition containing 2-benzyloxypyrimidine derivatives, processes for producing the derivatives and 2-benzyloxypyrimidine derivatives
A herbicidal composition comprising a herbicidally effective amount of a 2-benzyloxypyrimidine derivative represented by the formula (I): ##STR1## wherein R1 and R2 are each independently H, a halogen, hydroxyl, C1 -C...
02/04/1997
5587239Ball-like structures and contacting materials for wastewater-treatment
Disclosure describes ball-like structures formed from bundled, crimped fibers rounded around a central portion thereof as a core, the core being formed with a molten-fused structure and having the following stipulations: (a) a density of the molten-fused ...
12/24/1996
5567778Process for producing an optical filter
Disclosed herein is an optical filter comprising: a resin material obtained by copolymerizing a monomer represented by the following formula (I) and a monomer copolymerizable therewith; and a metallic compound mainly composed of a copper compound; PO(OH)
10/22/1996
5561125Estradiol derivative and growth inhibiting composition thereof
Estradiol derivatives of the formula: ##STR1## wherein R1 is C1-4 alky or C1-4 alkoxy; R2 is acyl or benzyl; m is an integer of 1 to 3; n is an integer of 1 to 3; and X is hydroxy or halogen are useful as t...
10/01/1996
5556622Method of treatment for stoma-peripheral inflammation diseases
The disclosure describes a method of treating a patient suffering from stoma-peripheral inflammation diseases, comprising orally administering to said patient an effective amount of a pharmaceutical composition in dosage unit form comprising a spherical a...
09/17/1996
5554370Method for the treatment of inflammatory bowel diseases
The disclosure describes a method of treating a patient suffering from inflammatory bowel diseases, comprising orally administering to said patient an effective amount of a pharmaceutical composition in dosage unit form comprising a spherical activated ca...
09/10/1996
5525224Apparatus for improving city water
The present invention lies in a method of improving a Langelier index and pH of city water wherein undissolved matter (calcium carbonate and slaked lime covered with calcium carbonate) slurry produced in a slaked lime dissolving vessel is mixed and reacte...
06/11/1996
5491138Estradiol derivative alkylating agent conjugate with reduced hormonal activity, process for preparing the same, compounds useful for the preparation thereof, and growth inhibiting composition containing the conjugate or estradiol derivative
Disclosed is a method of inhibiting the growth of tumors by administering an estradiol derivative-alkylating agent conjugate of the formula (I'): ##STR1## wherein R1 is C1-4 alkyl or C1-4 alkoxy; R2 is acyl or ...
02/13/1996
5480878Method for treating prostatic hypertrophy with estradiol derivatives
Disclosed is a method for treating prostatic hypertrophy with an estradiol derivative-alkylating agent conjugate of the formula (1'): ##STR1## wherein R1 is C1-4 alkyl or C1-4 alkoxy; R2 is acyl or benzyl; ...
01/02/1996
5432396Wave-receiving piezoelectric device
A wave-receiving piezoelectric device for use as, e.g., a hydrophone or a microphone, is constituted by a piezoelectric body having two surfaces sandwiching a thickness and including at least one surface provided with a recess (including a perforation com...
07/11/1995
5286737Method for inhibiting aromatase
This invention provides a method of inhibiting aromatase and treating of estrogen-dependent diseases in a patient by administering azole derivatives as nonsteroidal inhibitors. The azole derivative has the formula ##STR1## where R1 a ...
02/15/1994
5130475Derivative of 1,5-diphenyl-1H-1,2,4-triazole-3-carboxamide, herbicidal compositions containing the derivative and process for producing the derivative
Disclosed herein is a derivative of 1,5-diphenyl-1H-1,2,4-triazole-3-carboxamide represented by the following formula (I): ##STR1## wherein R represents an alkyl group of 2 to 10 carbon atoms, which is substituted by fluorine atom(s), and X repr...
07/14/1992
5086140Optical material formed by casting polymerization of a phenyl phosphine monomer
An optical material of a high refractive index is formed of a copolymer obtained by polymerizing 10-90 wt. % of a monomer represented by the following formula (I) and 90-10 wt. % of a monomer copolymerizable with the first-mentioned monomer. ##STR1##...
02/04/1992
5010206Novel azole derivative and agricultural/horticultural fungicide containing said derivative as active ingredient
An azole derivative represented by the formula ##STR1## wherein X and Y independently represent a halogen atom, a phenyl group or a hydrogen atom, providing that at least one of X and Y is not a hydrogen atom, n represents an integer of 0, 1 or 2, an...
04/23/1991
4975223Optical material
An optical material of a high refractive index is formed of a copolymer obtained by copolymerizing 3-40 wt. % of 4-isopropenylbiphenyl, 30-97 wt. % of a monofunctional aromatic monomer represented by the following formula (I) or (II) and 0-67 wt. % of ano...
12/04/1990
4959431Optical material
An optical material formed of a copolymer is disclosed. The copolymer is obtained by polymerizing a monomer composition composed of a particular N-substituted trifunctional monomer having a triazine ring structure and a monomer copolymerizable with the is...
09/25/1990
4956131Fuel cell electrode substrate incorporating separator as an intercooler and process for preparation thereof
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, an...
09/11/1990
4931523Plastic lens
A plastic lens is made of a copolymer which has been obtained by copolymerizing 10-80 wt. % of a first monomer represented by the general formula (I) given below and 20-90 wt. % of a second monomer copolymerizable with the first monomer. General formula (...
06/05/1990
4904534Implant material
Disclosed herein is a novel implant material excellent in biocompatibility, stability in living body and mechanical properties, comprising a metallic material and a layer of a thermosetting resin or a layer of a composition comprising the thermosetting re...
02/27/1990
 
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