Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6051544 | Granular secondary alkanesulfonate | Frank-Peter Lang, Helmut Kramer | 2000-04-18 |
| 5100588 | Process for the preparation of acyloxybenzenesulfonic acids and their salts | Fritz-Feo Grabley, Gerd Reinhardt | 1992-03-31 |