Shin-ichi Watanabe

Follow

Person

Wakayama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Dispersant for aqueous slurry of coal powder
- Patent number 4,330,301
- Issue date May 18, 1982
- Kao Soap Co., Ltd.
- Masaaki Yamamura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL