Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847321 | Process for the production of thermosetting one-component polyurethane-polyurea systems | Heinrich Hess, Gerhard Grogler, Richard Kopp, Manfred Bock | 1989-07-11 |
| 4677221 | Process for the production of thermally color stable aliphatic and/or cycloaliphatic diisocyanates and the use thereof for the production of modified polyisocyanates having improved color properties | Hanns P. Muller, Heinrich Grave | 1987-06-30 |
| 4639502 | Substantially colorless organic polyisocyanates, processes for their production and their use in the production of polyurethane plastics | Hanns P. Muller, Ulrich von Gizycki, Kuno Wagner | 1987-01-27 |
| 4562223 | Defoaming agent for plastic dispersions and disperse coating materials and its preparation | Helmut Steinberger | 1985-12-31 |
| 4384056 | Aqueous dispersions based on (meth)acrylic acid alkyl ester polymers with two pronounced, substantially non-overlapping peaks in the particle size distribution within specific particle size ranges, and a process for the preparation and use thereof | Adolf Schmidt, Gunter Kolb | 1983-05-17 |
| 4321175 | Copolymer dispersions | Adolf Schmidt | 1982-03-23 |
| 4287109 | Aqueous silicone-polyester resin systems, a process for their production and their use | Ottfried Schlak, Hans-Heinrich Moretto, Bernd Peltzer, Willi Burgmer | 1981-09-01 |
| 4187365 | Process for the production of polycondensate containing cyclic imide groups | Wilfried Zecher, Willi Dunwald, Rudolf Merten | 1980-02-05 |