Akira Takeshita

Person

Oita, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Treatment of hydroperoxide mixture
- Patent number 5,166,451
- Issue date Nov 24, 1992
- Sumitomo Chemical Company, Limited
- Akira Takeshita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing hydroxy-containing alkylated aromatic compounds
- Patent number RE34076
- Issue date Sep 22, 1992
- Sumitomo Chemical Company Limited
- Akira Takeshita
- 568 - Organic compounds
Information Patent Grant
Method for producing hydroxy-containing alkylated aromatic compounds
- Patent number 4,912,264
- Issue date Mar 27, 1990
- Sumitomo Chemical Company, Limited
- Akira Takeshita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fiber reactive yellow dye of acetoacetonilide having vinyl sulfone-...
- Patent number 4,843,149
- Issue date Jun 27, 1989
- Sumitomo Chemical Company, Limited
- Yutaka Kayane
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Pyridone monoazo compound having vinylsulfone type fiber-reactive g...
- Patent number 4,701,524
- Issue date Oct 20, 1987
- Sumitomo Chemical Company, Limited
- Yutaka Kayane
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Fiber-reactive phthalocyanine compound having both vinylsulfone typ...
- Patent number 4,684,721
- Issue date Aug 4, 1987
- Sumitomo Chemical Company, Limited
- Tetsuya Miyamoto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Anthraquinone compound having both monohalogenotriazinyl and vinyls...
- Patent number 4,631,341
- Issue date Dec 23, 1986
- Sumitomo Chemical Company, Limited
- Yutaka Kayane
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Organic dye compound having both pyridiniotriazinyl and vinylsulfon...
- Patent number 4,626,589
- Issue date Dec 2, 1986
- Sumitomo Chemical Company, Limited
- Takashi Omura
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
4-methyl-pyridone monoazo compound having both monochlorotriazinyl...
- Patent number 4,618,671
- Issue date Oct 21, 1986
- Sumitomo Chemical Company, Limited
- Yutaka Kayane
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Dioxazine fiber reactive compound
- Patent number 4,607,102
- Issue date Aug 19, 1986
- Sumitomo Chemical Company, Limited
- Masao Nishikuri
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Nitrothiazolyl-monoazo-2,2,4-trimethyl-1,2,3,4-tetrahydroquinoline...
- Patent number 4,529,406
- Issue date Jul 16, 1985
- Research Association of Dyestuff Manufacturers
- Kiyoyasu Hashimoto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for producing anthraquinone compounds
- Patent number 4,519,947
- Issue date May 28, 1985
- Sumitomo Chemical Co., Ltd.
- Makoto Hattori
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Monoazo compound having both monochlorotriazinyl and vinylsulfone t...
- Patent number 4,511,507
- Issue date Apr 16, 1985
- Sumitomo Chemical Company, Limited
- Yutaka Kayane
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for producing 1,4-diaminoanthraquinone-2-sulfonic acid
- Patent number 4,510,087
- Issue date Apr 9, 1985
- Sumitomo Chemical Company, Limited
- Makoto Hattori
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phthalocyanine fiber reactive compound
- Patent number 4,505,714
- Issue date Mar 19, 1985
- Sumitomo Chemical Company, Limited
- Takashi Omura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for producing anthraquinone compounds
- Patent number 4,299,771
- Issue date Nov 10, 1981
- Sumitomo Chemical Company, Limited
- Akira Takeshita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing anthraquinone intermediates
- Patent number 4,292,247
- Issue date Sep 29, 1981
- Sumitomo Chemical Company, Limited
- Masao Nishikuri
- C07 - ORGANIC CHEMISTRY

Akira Takeshita

Person

Patents Grantslast 30 patents

Treatment of hydroperoxide mixture

Method for producing hydroxy-containing alkylated aromatic compounds

Method for producing hydroxy-containing alkylated aromatic compounds

Fiber reactive yellow dye of acetoacetonilide having vinyl sulfone-...

Pyridone monoazo compound having vinylsulfone type fiber-reactive g...

Fiber-reactive phthalocyanine compound having both vinylsulfone typ...

Anthraquinone compound having both monohalogenotriazinyl and vinyls...

Organic dye compound having both pyridiniotriazinyl and vinylsulfon...

4-methyl-pyridone monoazo compound having both monochlorotriazinyl...

Dioxazine fiber reactive compound

Nitrothiazolyl-monoazo-2,2,4-trimethyl-1,2,3,4-tetrahydroquinoline...

Process for producing anthraquinone compounds

Monoazo compound having both monochlorotriazinyl and vinylsulfone t...

Process for producing 1,4-diaminoanthraquinone-2-sulfonic acid

Phthalocyanine fiber reactive compound

Process for producing anthraquinone compounds

Process for producing anthraquinone intermediates