Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4514578 | Process for the preparation of trimethylolpropane | Otto Immel, Hans-Helmut Schwarz, Hein Quast | 1985-04-30 |
| 4232134 | Process for isolating boron-containing phenol/formaldehyde resins | Manfred Schmidt, Walter Traudisch, Georg Spott, Dieter Freitag | 1980-11-04 |
| 4211751 | Use of an apparatus for continuous photopolymerization | Berthold Keggenhoff, Hans J. Rosenkranz | 1980-07-08 |