Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873310 | Aromatic polyamides based on phenoxyterephthalic acid and process for preparing them | Martin Bartmann | 1989-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873310 | Aromatic polyamides based on phenoxyterephthalic acid and process for preparing them | Martin Bartmann | 1989-10-10 |