Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659076 | Process for the production of 2,5-dianilino-terephthalic acids | Franz Thomas Schwarz, Johann Altreiter | 1997-08-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659076 | Process for the production of 2,5-dianilino-terephthalic acids | Franz Thomas Schwarz, Johann Altreiter | 1997-08-19 |