Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7671244 | Method for producing 1,2-dichloroethane by means of direct chlorination | Harald Hafenscher, Michael Benje | 2010-03-02 |
| 7614742 | Method for producing ophthalmic lenses and other shaped bodies with optically active surfaces | Roland Mandler | 2009-11-10 |
| 7413502 | Method for producing ophthalmic lenses and other shaped bodies with optically active surfaces | Roland Mandler | 2008-08-19 |