Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7256169 | Pulverulent laundry and cleaning detergent ingredient consisting of polycarbosylate and silicate | Gunther Schimmel, Harald Bauer, Josef Holz, Volker Thewes, Richard Mertens +2 more | 2007-08-14 |
| 5734076 | 4,4'-methylene-bis-(3-chloro-2,6-dialkylphenylisocyanates) | Ulrich Daum | 1998-03-31 |
| 5488163 | Process for the production of 4, 4'-(phenylene-diisopropyl)-bis(2, 6-dialkylanilines) | Ulrich Daum, Theodor Volker | 1996-01-30 |
| 5482636 | Process for the quaternization of triethanolamine fatty acid esters and imidazolinamides and the use of the reaction mixtures in laundry softener compositions | Michael Brock, Helmut Klimmek, Dolf Stockhausen | 1996-01-09 |
| 5443631 | Process for the quaternization of triethanolamine fatty acid esters and imidazolinamides and the use of the reaction mixtures in laundry softener compositions | Michael Brock, Helmut Klimmek, Dolf Stockhausen | 1995-08-22 |
| 5286874 | Process for the production of bismaleinimide derivatives | Theodor Volker | 1994-02-15 |
| 5087745 | Process for the production of gamma-butyrobetaine | Andrej Stravs, Pius Abgottspon | 1992-02-11 |
| 4703126 | Process for the production of 7-ethyl indole | — | 1987-10-27 |
| 4511734 | Process for the production of 3,3-dimethylglutaric | Pavel Lehky | 1985-04-16 |
| 4212978 | Process for the catalytic production of 2-substituted pyridines | — | 1980-07-15 |
| 4196287 | Process for the catalytic production of 2-substituted pyridines | — | 1980-04-01 |
| 4185508 | Motion change transmission | — | 1980-01-29 |