Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4493533 | Immersion oil containing aliphatic thio compounds | Martin Petrzilka, Inge Pracht | 1985-01-15 |
| 4264323 | Aqueous concentrates of cold-dyeing fibre reactive dyes | Miro Capponi, Franz Somm | 1981-04-28 |