Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869782 | Method of producing high bulking anfractuous cellulosic fiber using anhydrous liquid ammonia | Richard Emil Kajander | 1989-09-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869782 | Method of producing high bulking anfractuous cellulosic fiber using anhydrous liquid ammonia | Richard Emil Kajander | 1989-09-26 |