Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5627291 | Preparation of 2,5-dihydrofuran | — | 1997-05-06 |
| 5618954 | Preparation of 3,4-epoxy-1-butene | Stefan Boeck, Klaus Herzog, Rolf Fischer, Herbert Vogel | 1997-04-08 |
| 5614595 | Polymers based on conjugated dienes | Dietmar Bender, Klaus Bronstert, Helmut Mach | 1997-03-25 |
| 5560736 | Process for sealing out water leakage from geological rock formations | Hans Mehesch, Wolfgang Cornely, Dieter Wobig, Oliver Czysollek | 1996-10-01 |
| 5504236 | Preparation of .alpha.-carbonylphosphine oxides | Eckhard Hickmann, Rudolf Kropp, Jochen Schroeder, Beate Trentmann | 1996-04-02 |
| 5494976 | Polymers based on conjugated dienes | Dietmar Bender, Klaus Bronstert, Helmut Mach | 1996-02-27 |
| 5431810 | System for purifying water containing immiscible organic compounds | John Russo, Donald A. Ventullo | 1995-07-11 |
| 5393874 | Preparation of N-hydroxy-N'-diazenium oxides | Klemens Massonne | 1995-02-28 |
| 5312486 | Water-containing, hardenable foam compositions with inorganic components and process for their preparation | Frank Meyer, Hans Mehesch, Wolfgang Cornely, Birgit Riecks, Karlheinz Neuschaffer | 1994-05-17 |
| 5210214 | Preparation of indolenines | Klaus Diehl, Manfred Dimmler | 1993-05-11 |
| 5162590 | Vinyl polyether alcohols | Richard Baur, Paul Diessel | 1992-11-10 |
| 5132444 | Gas-phase preparation of vinyl phosphonic acid derivatives | Andreas Northemann, Ludwig Wambach | 1992-07-21 |
| 5069998 | Radiation sensitive mixture and production of relief patterns | Reinhold Schwalm, Andreas Boettcher, Horst Binder | 1991-12-03 |
| 5053561 | Method of isolating trans-1,1,4,4-tetraalkyl-2-butene-1,4-diols | Dietmar Bender, Klaus Bronstert, Gregor Schuermann | 1991-10-01 |
| 5047529 | Phenylsulfones and cyclization products thereof | Manfred Patsch, Klaus Pandl | 1991-09-10 |
| 5034545 | Preparation of 2,5-dihydrofurans | — | 1991-07-23 |
| 4886735 | Photopolymerizable recording materials and photoresist layers and lithographic printing plates based thereon | Andreas Boettcher, Reinhard Aldag, Thomas Bluemel | 1989-12-12 |
| 4874865 | Preparation of substituted lactams | Ludwig Wambach | 1989-10-17 |
| 4822946 | Preparation of olefins from tertiary alkyl halides | — | 1989-04-18 |
| 4780552 | Preparation of furan by decarbonylation of furfural | Ludwig Wambach, Matthias Irgang | 1988-10-25 |
| 4709109 | Preparation of alkenylaromatics | Karin Sperling | 1987-11-24 |
| 4560769 | Preparation of pyrroles | Helmuth Menig, Karl Baer | 1985-12-24 |
| 4529546 | Purification of vitamin D.sub.3 | — | 1985-07-16 |
| 4475003 | Preparation of 1,1,1-trichloromethyl compounds | — | 1984-10-02 |
| 4324725 | Preparation of 5-(2,2-dihalovinyl)-4,4-dialkyl-tetrahydro-furan-2-ones | Rudolf Kropp, Klaus Halbritter | 1982-04-13 |