Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5271855 | Use of metal soaps of polycarboxylic acids or polycarboxylic acid partial esters as processing aids for polyesters | Rainer Hoefer, Andreas Lippmann | 1993-12-21 |
| 5030280 | Use of nonionic surfactants for preventing the fogging of plastic surfaces and preparations containing these surfactants | Rainer Hoefer | 1991-07-09 |
| 4731460 | Acylcyanamide compounds and their production | Christian Hase, Bernd Wegemund, Werner Erwied | 1988-03-15 |
| 4668711 | Stabilized polyvinylchloride molding compositions | Christian Hase, Bernd Wegemund, Werner Erwied | 1987-05-26 |