Jia-he Qian

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Yamatotakada, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cationic surfactants, process for producing the same and utilizatio...
- Patent number 6,359,176
- Issue date Mar 19, 2002
- Matsumoto Yushi-Seiyaku Co., Ltd.
- Masaki Nakamura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Double-chain type sulfated compounds having acid degradability and...
- Patent number 5,817,839
- Issue date Oct 6, 1998
- Matsumoto Yushi-Seiyaku Co., Ltd.
- Masaki Nakamura
- C07 - ORGANIC CHEMISTRY