Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6720032 | Pretreatment before painting of composite metal structures containing aluminum portions | Peter Kuhm, Michael L. Sienkowski, Gerald J. Cormier, Matthias Hamacher, Volkhard Enke +2 more | 2004-04-13 |
| 4609488 | Regeneration of aqueous degreasing and cleaning solutions | Bernd Stedry | 1986-09-02 |
| 4548729 | Aqueous foam-inhibiting compositions containing alkyl polyethylene glycol alkyl ethers | Karl Schmid, Horst Baumann, Hans-Gunther Germscheid, Werner Ludecke, Robert Piorr +3 more | 1985-10-22 |
| 4540442 | Compositions and methods for removing sealant compositions | Timothy J. Smith, Robert Q. Cooper | 1985-09-10 |
| 4522740 | Polyglycol ethers as foam-inhibiting additives in low-foam cleaning agents | Karl Schmid, Horst Baumann, Hans-Gunther Germscheid, Werner Ludecke, Robert Piorr +3 more | 1985-06-11 |
| 4476269 | Polymer dispersions or emulsions as temporary surface protectants | Hans-Christoph Wilk | 1984-10-09 |
| 4437898 | Method and agent for passivating iron and steel surfaces | Hermann Drosdziok, Hans-Gunther Germscheid | 1984-03-20 |