Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5292970 | Method of manufacturing ortho-substituted alkylphenols, and catalyst therefor | Wolfgang Muller | 1994-03-08 |
| 5284982 | Method for the cyclooligomerization of 3-hydroxy-1 alkynes | Wolfgang Schröder, Heinz-Werner Voges | 1994-02-08 |
| 5091594 | Process for the production of 2,6-di-tert-butylphenol | Wolfgang Muller, Alfred Oberholz | 1992-02-25 |
| 4912249 | Esters of 3-tert-butyl or 3-tert-butyl-5-alkyl-4-hydroxylphenyl(alkane) carboxylic acids | Heinz-Werner Voges, Werner Patzold, Richard Schaaf | 1990-03-27 |
| 4906775 | Esters of 3-tert-butyl- and 3-tert-butyl-5-alkyl-4-hydroxyphenyl (alkane) carboxylic acids with oxyethylates of polythiols | Heinz-Werner Voges, Hans-Jurgen Haage | 1990-03-06 |
| 4859790 | Esters of 3-tert-butyl- and 3-tert-butyl-5-alkyl-4-hydroxyphenyl (alkane) carboxylic acids with oxethylates of polyhydroxyaromatics, process for their production, and their use as stabilizers | Heinz-Werner Voges, Werner Patzold, Richard Schaaf | 1989-08-22 |
| 4581414 | Transparent, impact-resistant molding compositions based on polyvinyl chloride | Bernhard Stutzel, Alfred Oberholz, Alfred Wieland | 1986-04-08 |
| 4433099 | Production of impact-resistant styrene polymers | Gunter Padberg, Ulrich Reichert, Walter Trautmann | 1984-02-21 |