Shinji Seto

Follow

Person

Tomakomai, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparation of paper-making hydrous silicic acid filler
- Patent number 4,790,486
- Issue date Dec 13, 1988
- Oji Paper Company, Ltd.
- Shigeru Eimaeda
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE