Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9393218 | Use of film-forming hair care polymers from the group of polyurethanes and pharmaceutical preparations and patches that contain these polymers | Ines Zurdo Schroeder, Patrick Franke, Stefan Bracht, Claus-Michael Lehr | 2016-07-19 |
| 6234464 | Microencapsulated unsaturated fatty acid or fatty acid compound or mixture of fatty acids and/fatty acid compounds | Rudolf Krumbholz, Alf Lamprecht, Claus-Michael Lehr, Norbert Schirra, Manfred Treitz | 2001-05-22 |