Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883880 | Process for the preparation of sulfoalkyl quaternary salts and for the production of alkane sultones | Wolfgang Himmelmann | 1989-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883880 | Process for the preparation of sulfoalkyl quaternary salts and for the production of alkane sultones | Wolfgang Himmelmann | 1989-11-28 |