Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351879 | Porous acrylic synthetic fibers comprising cellulose acetate in an acrylic matrix | Yoshikazu Kondo, Toshihiro Yamamoto | 1982-09-28 |
| 4346146 | Porous flame retardant acrylic synthetic fibers and a method for producing these fibers | Yoshikazu Kondo, Toshihiro Yamamoto | 1982-08-24 |