Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6344108 | Using a dicarboxylic acid dialkyl ester brightening | Ingo Von Medvey, Thomas Rajcsanyi, Joachim Werres | 2002-02-05 |
| 4513157 | Isomerization of isolated double bonds to conjugated double bonds in optionally substituted cyclooctadienes | Wolfgang Zaar | 1985-04-23 |
| 4328163 | Process for the preparation of secondary and tertiary 2-carboxyethyl- and carboxymethylphosphines and their salts, as well as the use thereof | — | 1982-05-04 |
| 4315867 | Secondary and tertiary 2-carboxyethyl- and carboxymethylphosphines and the salts thereof, as well as their preparation and use | — | 1982-02-16 |