Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674559 | Process for the preparation of a polymer matrix which becomes cloudy as a function of temperature | Ludger Bosing, Werner Friedrich, Thomas Pollok, Petra Grünberg | 1997-10-07 |
| 5294658 | Process for the preparation of large-particle, aqueous plastic dispersions | Bernhard Scholz, Klaus Walther | 1994-03-15 |
| 5282987 | Carboxy ethers | Dieter Balzer, Werner Friedrich | 1994-02-01 |
| 4963274 | Concentrated fabric conditioners | Wulf Ruback, Jan Schut, Werner Friedrich, Hauke Steinhardt | 1990-10-16 |
| 4956551 | Sensor for consumption measurements in a household measuring system | Horst Repschlager | 1990-09-11 |
| 4675026 | Method of reducing viscosity in aqueous coal slurries by use of partial esters of polycarboxylic acids | Werner Friedrich | 1987-06-23 |
| 4658005 | Storage-stabile polyurethane resin powder enamels or varnishes | Rainer Gras, Elmar Wolf | 1987-04-14 |
| 4528355 | Powder varnishes based on partially blocked isophorone diisocyanate isocyanurate and hydroxyl group containing polyester, and method for producing matte coatings | Rainer Gras | 1985-07-09 |
| 4514467 | Method of obtaining a positive bond between painted articles and concrete | Joern Weiss, Friedhelm Mutzberg | 1985-04-30 |
| 4496710 | Process for the production of flat varnishes | Fritz Gude, Herbert Haferkorn, Gunter Dormann | 1985-01-29 |
| 4442245 | Emulsion based on epoxy resins and diammonium salts and its preparation | Jorn-Volker Weiss, Friedhelm Mutzberg | 1984-04-10 |
| 4440882 | Emulsion based on epoxy resin and polyammonium salts and its preparation | Joern Weiss | 1984-04-03 |