Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4473447 | Method of manufacturing absorption layers for solar energy systems and bath therefor | Herbert Gutwein, Edwin Erben, August Muhlratzer, Bela Tihanyi, Werner DeWin | 1984-09-25 |
| 4472526 | Process for producing ethanol and n-propanol from methanol and synthesis gas | Carl D. Frohning, Helmut Bahrmann, Wolfgang Lipps | 1984-09-18 |
| 4435603 | Method for preventing caking of polyols | Hanswilhelm Bach, Roderich Gartner, Wilhelm Gick | 1984-03-06 |
| 4430096 | Process for the production of gas mixtures containing hydrogen and carbon monoxide via the endothermic partial oxidation of organic compounds | Friedrich Schnur, Josef Hibbel, Bern-Hard Lieder | 1984-02-07 |
| 4424383 | Process for producing ethanol and n-propanol from methanol | Carl D. Frohning, Gerhard Diekhaus, Ernst Wiebus, Helmut Bahrmann | 1984-01-03 |
| 4423156 | Process for preparing unsaturated hydrocarbons | Bernd Bussemeier, Carl D. Frohning | 1983-12-27 |
| 4404410 | Process for preparing 2,3-dimethyl-2,3-butanediol | Jurgen Weber, Wolfgang Bernhagen, Helmut Springer | 1983-09-13 |
| 4387202 | Polymerization using mixed aluminum compounds | Jurgen Falbe, Guunter Hetkamp, Karl Otterbein, deceased, Wolfgang Payer, Peter Schneller | 1983-06-07 |
| 4370458 | Process for the manufacture of polyolefins | Jurgen Falbe, Peter Schneller, Wolfgang Payer, Ingrid Forster, Hans-Walter Birnkraut +2 more | 1983-01-25 |
| 4355192 | Process for the production of ethanol and n-propanol from methanol | Carl D. Frohning, Gerhard Diekhaus, Ernst Wiebus, Helmut Bahrmann | 1982-10-19 |
| 4337363 | Process for the preparation of 3-(4-methyl-3-cyclohexen-1-yl) butyraldehyde | Helmut Bahrmann, Carl D. Frohning, Jurgen Weber | 1982-06-29 |
| 4299990 | Process for preparing aldehydes | Hans Tummes, Heinz O. Noeske | 1981-11-10 |
| 4289913 | Process for preparing 3-(4)-formyltricyclo-[5,2,1,0.sup.2,6 ]-decene-8 | Helmut Bahrmann, Jurgen Weber | 1981-09-15 |
| 4285875 | Process for preparing carboxylic acids by catalytic oxidation of aldehydes | Werner De Win, Jurgen Weber | 1981-08-25 |
| 4258214 | Process for the production of aldehydes | Helmut Bahrmann, Gerhard Diekhaus, Waldemar Kascha, Jurgen Weber | 1981-03-24 |
| 4222966 | Process for the manufacture of aldehydes | Ludger Bexten, Hans-Dieter Hahn, Hans Tummes | 1980-09-16 |
| 4215073 | Process for the production of diamines | Werner Konkol, Gerhard Diekhaus, Ernst Wiebus | 1980-07-29 |