Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006632 | Process for preparing heat resisting hydrobenzoic acid series polyesters with high degree of polymerization | Renxian Duan, Guijiang Tian | 1991-04-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006632 | Process for preparing heat resisting hydrobenzoic acid series polyesters with high degree of polymerization | Renxian Duan, Guijiang Tian | 1991-04-09 |