Daiei Chemical Co., Ltd.

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Hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing 1,4-dihydroxy-2-arylnaphthoate
- Patent number 5,162,570
- Issue date Nov 10, 1992
- Sumitomo Chemical Company, Limited
- Yuzo Maegawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrazole containing methine compounds
- Patent number 5,136,045
- Issue date Aug 4, 1992
- Sumitomo Chemical Company, Limited
- Toshio Nakamatsu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing substituted aminoanthraquinones
- Patent number 5,017,713
- Issue date May 21, 1991
- Sumitomo Chemical Company, Ltd.
- Takanori Kondo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for producing 2,4-dichloro-3-alkyl-6-nitrophenol
- Patent number 5,012,015
- Issue date Apr 30, 1991
- Daiei Chemical Co., Ltd.
- Masanobu Terao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Anthrapyridone compounds
- Patent number 4,902,798
- Issue date Feb 20, 1990
- Sumitomo Chemical Co., Ltd.
- Toshio Nakamatsu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...