Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6005144 | Reaction products of polyisobutenes and oxides of nitrogen or mixtures of oxides of nitrogen and oxygen and their use as fuel and lubricant additives | Rudolf Kropp, Klaus Ebel, Wolfgang H. H. Gunther, Hans Peter Rath, Harald Schwahn | 1999-12-21 |
| 5980594 | Use of reaction products of polyolefins and oxides of nitrogen or mixtures of oxides of nitrogen and oxygen as additives for fuels | Rudolf Kropp, Klaus Ebel, Wolfgang H. H. Gunther, Hans Peter Rath, Harald Schwahn | 1999-11-09 |
| 5972856 | Reaction products of polyisobutenes and oxides of nitrogen or mixtures of oxides of nitrogen and oxygen and their use as fuel and lubricant additives | Rudolf Kropp, Klaus Ebel, Wolfgang H. H. Gunther, Hans Peter Rath, Harald Schwahn | 1999-10-26 |
| 5879420 | Reaction products of polyisobutenes and oxides of nitrogen or mixtures of oxides of nitrogen and oxygen and their use as fuel and lubricant additives | Rudolf Kropp, Klaus Ebel, Wolfgang H. H. Gunther, Hans Peter Rath, Harald Schwahn | 1999-03-09 |
| 5679863 | Preparation of carbonylphosphine oxides | Martin Fischer, Rudolf Kropp, Jochen Schroeder, Beate Trentmann | 1997-10-21 |
| 5504236 | Preparation of .alpha.-carbonylphosphine oxides | Martin Fischer, Rudolf Kropp, Jochen Schroeder, Beate Trentmann | 1996-04-02 |
| 5382732 | 2,5-bis(1,1-dialkoxy-2-propyl)-2,5-dihydrofurans, the preparation thereof and the use thereof for the preparation of carotenoids | Juergen Frank, Udo Rheude, Bernhard Schulz, Joachim Paust | 1995-01-17 |
| 5300658 | 2,5-bis(1,1-dialkoxy-2-propyl)-2,5-dihydrofurans, the preparation thereof and the use thereof for the preparation of carotenoids | Juergen Frank, Udo Rheude, Bernhard Schulz, Joachim Paust | 1994-04-05 |
| 5260484 | Polytetrahydrofuran derivatives having terminal aromatic groups | Ulrich Koehler, Hardo Stegel | 1993-11-09 |
| 5245042 | Preparation of cis-2-(1H-1,2,4-triazol-1-ylmethyl)-2-(halopheny)-3-(halophenyl) oxirane | Rainer Seele, Reiner Kober, Heinz Isak | 1993-09-14 |
| 5231231 | Process for preparing a poly(1,4-butanediol-.omega.,.omega.'-bismercaptan) | Ulrich Koehler, Hardo Siegel | 1993-07-27 |
| 5159117 | Preparation of .alpha.,.alpha.-dialkoxy ketones | Guenter Wegner, Stefan Karbach, Hubert Smuda, Reiner Kober, Rainer Seele +1 more | 1992-10-27 |
| 5130454 | Polytetrahydrofuran derivatives having terminal aromatic groups | Ulrich Koehler, Hardo Siegel | 1992-07-14 |
| 5124488 | Polytetrahydrofuran ethers | — | 1992-06-23 |
| 5104438 | N-oxoazolylmethyloxiranes and fungicides and bioregulators containing them | Rainer Seele, Eberhard Ammermann, Gisela Lorenz | 1992-04-14 |
| 5034559 | Polyethercarboxylic esters and their preparation | — | 1991-07-23 |
| 5008461 | Preparation of benzyl ketones | Fritz Naeumann | 1991-04-16 |
| 4973751 | Preparation of unsaturated compounds by elimination reaction | Toni Dockner, Herbert Krug | 1990-11-27 |
| 4918205 | Preparation of alkylated dodechydronaphto[2,1-b]furans | Walter Gramlich, Rainer Becker, Gerald Lauterbach | 1990-04-17 |
| 4734499 | Preparation of .alpha.,.beta.-diaminoacrylonitriles | — | 1988-03-29 |
| 4469653 | Process for the preparation of molded parts of polyurethane or polyurethane-polyurea employing monocyclic amidines | Dietmar Nissen | 1984-09-04 |
| 4429130 | Pyrid-2'-yl-2-trifluoromethyl quinol-4-ylmethanes | Heinz-Guenter Oeser | 1984-01-31 |
| 4327215 | Preparation of erythio-.alpha.piperid-2-yl-2,8-bis-trifluoro-methyl)-quinolin-4-yl-meth anol | Heinz-Guenter Oeser, Leander Moebius | 1982-04-27 |
| 4260562 | Preparation of O,N-disubstituted hydroxylamines | Friedrich Linhart, Bjoern Girgensohn, Gernot Reissenweber | 1981-04-07 |