Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5869735 | Process for the preparation of alkyl aryl ethers containing carboxyl groups | Stefan Antons, Erich Hammerschmidt, Heinz U. Blank, Helmut Fiege | 1999-02-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5869735 | Process for the preparation of alkyl aryl ethers containing carboxyl groups | Stefan Antons, Erich Hammerschmidt, Heinz U. Blank, Helmut Fiege | 1999-02-09 |