Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348542 | Process for the production of mixtures of alkylated aromatic hydroxy compounds | Volker Serini, Rainer Neumann, Gerhard Friedhofen, Dieter Freitag, Hans-Helmut Schwarz | 1982-09-07 |
| 4319053 | Process for the preparation of 4,4'-dihydroxy-3,3',5,5'-tetraalkyl-diphenylalkanes | Gunther Jeromin, Hans-Helmut Schwarz, Gerhard Friedhofen | 1982-03-09 |