Yoshihiro Sugawa

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
SULFONATED DERIVATIVES OF CYCLIC PHENOL SULFIDES, PROCESS FOR THE P...
- Patent number 6,355,671
- Issue date Mar 12, 2002
- Cosmo Research Institute
- Sotaro Miyano
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Cyclic phenol sulfide and process for producing the same
- Patent number 5,824,808
- Issue date Oct 20, 1998
- Cosmo Research Institute
- Takashi Hori
- C07 - ORGANIC CHEMISTRY