Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5855662 | Aqueous pigment preparations | Achim Brand, Josef Leitermann, Roger Nyssen, Klaus Schubert, Karlheinz Wieser +1 more | 1999-01-05 |
| 4329145 | Process for producing liquid dyestuff preparations | Jochen Koll, Hans-Heinz Molls, Reinhold Hornle, Horst Brandt, Fritz Bremer +2 more | 1982-05-11 |