Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8455637 | Process for adjusting degree of acetyl substitution of cellulose acetate | Tohru Shibata, Masaaki Ito, Tanemi Asai | 2013-06-04 |
| 7671193 | Method for adjusting the degree of substitution with acetyl group of cellulose acetate | Tohru Shibata, Masaaki Ito, Tanemi Asai | 2010-03-02 |
| 6139785 | Cellulose ester composition | Hiroki Taniguchi, Yukiko Nakanishi, Masahiko Murayama | 2000-10-31 |
| 5990304 | Cellulose acetate excellent in physical strength, and process for production thereof | Atsunobu Kiyose, Shu Shimamoto, Hiroki Taniguchi | 1999-11-23 |
| 5977347 | Cellulose acetate propionate | Hiroki Taniguchi | 1999-11-02 |
| 5914397 | Cellulose acetate excellent in physical strength, and process for production thereof | Atsunobu Kiyose, Shu Shimamoto, Hiroki Taniguchi | 1999-06-22 |
| 5856468 | Cellulose acetate propionate, solution thereof and cellulose acetate propionate film | Hiroki Taniguchi | 1999-01-05 |