Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332587 | Colorant preparations, a process for their production and their use for coloring plastics | Michael Kressner, Joachim Kolbe, Georg Pape, Karlheinz Wolf, Ferdinand Kummeler | 1982-06-01 |
| 4329145 | Process for producing liquid dyestuff preparations | Jochen Koll, Hans-Heinz Molls, Reinhold Hornle, Erhard Schuffenhauer, Horst Brandt +2 more | 1982-05-11 |