Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8357207 | Leather treatment and agent | — | 2013-01-22 |
| 7250456 | Composition and its use for imparting water repellency to leather or furskins, textiles and other fibrous materials | Peter Eigen | 2007-07-31 |
| 5686011 | Process for waterproofing materials having a fibrous structure and agents used to carry out this process | Helmut Lohmann, Manfred Kaussen, Waldemar Inger | 1997-11-11 |
| 5658484 | Agents and a process for waterproofing leathers and furs | Helmut Lohmann, Wolfgang Hubner, Waldemar Inger | 1997-08-19 |
| 5556930 | Copolymers and their use in the treatment of leather | Helmut Brehm, Hans-Bernhard Eikmeier | 1996-09-17 |