Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973431 | Process for the recovery of methyl-branched, saturated C.sub.14 -C.sub.24 - f | Horst Baumann, Karl Schmid, Alfred Meffert | 1990-11-27 |
| 4898725 | Preparations for washing or rinsing hair containing di- or tri- carboxylic acids | Horst Hoeffkes, Kurt Seidel, Karl Giede, Bert Gruber | 1990-02-06 |
| 4735735 | Salts of esters of long-chain fatty alcohols with alpha-sulfofatty acids as corrosion inhibitors in oils or oil emulsions | Gerhard Borggrefe, Robert Piorr | 1988-04-05 |
| 4705666 | Alkanolamin salts of alkenyl succinic acid dialkyl semiamide corrosion inhibitors | Horst Upadek, Juergen Geke | 1987-11-10 |
| 4451564 | Transformation of sterols by fermentation | Frank Hill, Joachim Schindler | 1984-05-29 |
| 4381264 | Process for the conjugation of the double bonds of polyunsaturated fatty acids and fatty acid mixtures | — | 1983-04-26 |
| 4374776 | Sterol concentrates, the preparation thereof, and their use in the transformation of sterols by fermentation | Frank Hill, Joachim Schindler | 1983-02-22 |
| 4362815 | Process for the preparation of defective mutants of microorganisms | Frank Hill, Joachim Schindler, Rolf Schmid, Wolfgang Preuss | 1982-12-07 |
| 4320195 | Steroid production | Frank Hill, Wolfgang Preuss, Joachim Schindler, Rolf Schmid | 1982-03-16 |