Takashi Miyaoka

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Minoo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Binder composition and nonwoven fabrics and impregnated papers usin...
- Patent number 4,847,143
- Issue date Jul 11, 1989
- Sumitomo Chemical Company, Limited
- Katsuyoshi Watanabe
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Method for purifying 1-aminoanthraquinone
- Patent number 4,695,407
- Issue date Sep 22, 1987
- Sumitomo Chemical Company, Limited
- Norio Kotera
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification of compounds having high melting point
- Patent number 4,323,431
- Issue date Apr 6, 1982
- Sumitomo Chemical Company Limited
- Masatoshi Takahashi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL