Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5397491 | Use of substituted diphenyls as heat transfer fluids | Gerd Hons | 1995-03-14 |
| 5284982 | Method for the cyclooligomerization of 3-hydroxy-1 alkynes | Friedrich-Wilhelm Kupper, Wolfgang Schröder | 1994-02-08 |
| 5180856 | Polyethers, their production and use | Michael Stehr | 1993-01-19 |
| 5132270 | Ultrasound method of reactivating deactivated hydrogenation catalyts | Gerhard Wachholz, Gerhard Thelen | 1992-07-21 |
| 5132006 | Liquid dehalogenating agents | Manfred Neumann | 1992-07-21 |
| 5105030 | Method of manufacturing dihydromyrcenol from dihydromyrcenyl chloride | Gerhard Wachholz | 1992-04-14 |
| 4912249 | Esters of 3-tert-butyl or 3-tert-butyl-5-alkyl-4-hydroxylphenyl(alkane) carboxylic acids | Friedrich-Wilhelm Kupper, 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 | Friedrich-Wilhelm Kupper, 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 | Friedrich-Wilhelm Kupper, Werner Patzold, Richard Schaaf | 1989-08-22 |
| 4720478 | Catalyst for the orthomethylation of phenols | Arno S. Schmidt | 1988-01-19 |
| 4689412 | Method for preparing lactams having 8 to 15 carbon atoms from the corresponding oximes | Hans Rademacher | 1987-08-25 |
| 4644086 | Process and catalyst for the orthomethylation of phenols | Arno S. Schmidt | 1987-02-17 |
| 4271321 | Process for the preparation of araliphatic dihydroperoxides | — | 1981-06-02 |