Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6599354 | Piperazinone derivatives with alkoxysilane groups | Lutz Schmalstieg, Ralf Lemmerz, Ulrich Walter | 2003-07-29 |
| 6545087 | Polyurethane prepolymers having alkoxysilane end groups, method for the production thereof and their use for the production of sealants | Lutz Schmalstieg, Ralf Lemmerz, Marie-Helene Walter | 2003-04-08 |