Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6605351 | Amphiphilic particles or molecules with predominantly hydrophilic and predominantly hydrophobic domains distributed anisotropically on their surface | Peter Gimmnich, Burghard Gruning, Helmut Schator, Joachim Venzmer | 2003-08-12 |
| 4844980 | Silica or silicic acid particles whose surface located hydroxyl groups are at least partially replaced by organic groups | Burghard Gruning, Ulrich Holtschmidt, Gotz Koerner | 1989-07-04 |
| 4715986 | Particles, modified at their surface by hydrophilic and hydrophobic groups | Burghard Gruning, Ulrich Holtschmidt, Goetz Koerner | 1987-12-29 |
| 4267078 | Process for easily degrading waste consisting of the reaction products of organic compounds containing isocyanate groups with alcohols and/or water | Werner A. Lidy, Hans-Joachim Kollmeier | 1981-05-12 |
| 4211849 | Process of producing cross-linked urethane-group comprising foams of open-cell structure | Hans-Joachim Kollmeier | 1980-07-08 |
| 4183820 | Use of demulsifying mixtures for breaking petroleum emulsions | Heinz Theile, Hermann Hoffmann, Gotz Koerner, Peter Zaske | 1980-01-15 |