Issued Patents All Time
Showing 51–75 of 110 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5081311 | Preparation of muscone, intermediates for this preparation and preparation of said intermediates | Michael Huellmann, Thomas Kuekenhoehner, Karl Brenner, Matthias Irgang, Charles Schommer | 1992-01-14 |
| 5075489 | .beta.,.gamma.-unsaturated nitriles, their preparation and their use as scents | Gerald Lauterbach, Klaas Jansen | 1991-12-24 |
| 5073538 | Cycloalkylidene derivatives and fragrance composition | Michael Heullmann, Lothar Janitschke, Gerald Lauterbach, Wolfgang Barth, Klaas Jansen | 1991-12-17 |
| 5068479 | Preparation of 1,1,3,4,4,6-hexamethyl-1,2,3,4-tetra-hydronaphthalene | Michael Huellmann, Herbert Mayr | 1991-11-26 |
| 5019413 | Process for improving the quality of Robusta coffee | Brigitte Schlabs, Claus Weisemann | 1991-05-28 |
| 5009753 | Preparation of dihydroxydiones | Dieter Hermeling, Walter Dobler | 1991-04-23 |
| 5002971 | Method and agent for controlling the peach twig borer | Ernst Buschmann, Wolfgang Mackenroth, Gregor Schuermann, Walter Seufert, Wolfgang Seppelt +2 more | 1991-03-26 |
| 5001261 | Cyclohexenone derivatives and their use for controlling undesirable plant growth | Michael Keil, Dieter Jahn, Norbert Goetz, Ulrich Schirmer, Bruno Wuerzer | 1991-03-19 |
| 4973765 | Preparation of dien-1-ols, 9-hydroxydodec-10-enyl 1-tert-butyl ether and use thereof as an intermediate for synthesizing 8,10-dodecadienol | Wolfgang Mackenroth, Wolfgang Hoelderich, Walter Seufert | 1990-11-27 |
| 4973736 | Diethers of m- or p-hydroxyphenol | Werner Hoffmann, Heinz-Guenter Oeser, Wolfgang Rohr, Juergen Varwig | 1990-11-27 |
| 4965376 | 3,9-dihydroxynonyne and its derivatives protected at the 9-OH function | Michael Huellmann, Gerald Lauterbach, Ernst Buschmann, Heinz Eckhardt, Walter Himmele +1 more | 1990-10-23 |
| 4956003 | Cyclohexane-1,3-dione derivatives and their use for controlling undesired plant growth | Dieter Jahn, Norbert Goetz, Bruno Wuerzer | 1990-09-11 |
| 4954633 | Isoxazolines as intermediates to furans | Hans Theobald, Walter Himmele | 1990-09-04 |
| 4952742 | Preparation of polyunsaturated hydrocarbons | Michael Hesse | 1990-08-28 |
| 4948415 | Agents for regulating plant growth | Michael Keil, Dieter Jahn, Dieter Kolassa, Ulrich Schirmer, Johann Jung +1 more | 1990-08-14 |
| 4936906 | Agents for regulating plant growth | Dieter Jahn, Michael Keil, Dieter Kolassa, Ulrich Schirmer, Johann Jung +1 more | 1990-06-26 |
| 4931428 | 1-tert-butoxy-.omega.-alkenes and their use as scents | Heinz Eckhardt, Manfred Eggersdorfer, Gerhard Schindler, Klaas Jansen | 1990-06-05 |
| 4925991 | Preparation of dien-1-ols, 9-hydroxydodec-10-enyl 1-tert-butyl ether and use thereof as an intermediate for synthesizing 8,10-dodecadienol | Wolfgang Mackenroth, Wolfgang Hoelderich, Walter Seufert | 1990-05-15 |
| 4918205 | Preparation of alkylated dodechydronaphto[2,1-b]furans | Walter Gramlich, Eckhard Hickmann, Gerald Lauterbach | 1990-04-17 |
| 4898610 | Cyclohexane-1,3-dione derivatives and their use for controlling undesirable plant growth | Michael Keil, Dieter Jahn, Wolfgang Rohr, Bruno Wuerzer | 1990-02-06 |
| 4880456 | Cyclohexenone derivatives, their preparation and their use for controlling undesirable plant growth | Dieter Kolassa, Michael Keil, Ulrich Schirmer, Hans Theobald, Bruno Wuerzer +1 more | 1989-11-14 |
| 4877887 | Preparation of alkoxy maleic anhydrides | Wolfgang Rohr | 1989-10-31 |
| 4877891 | 1,1-dialkoxy- or 1,1-(alpha, omega-methylenedioxy)-non-2-yn-9-01 and their OH-protected derivatives | Walter Seufert, Ernst Buschmann, Christiane Bruchner | 1989-10-31 |
| 4870100 | Pyrethroids and their use for controlling pests | Bernd Wolf, Hans Theobald, Norbert Goetz, Walter Himmele, Rudolf Kropp | 1989-09-26 |
| 4851032 | Cyclohexane-1,3-dione derivatives, their preparation and their use for controlling undesired plant growth | Dieter Jahn, Norbert Goetz, Bruno Wuerzer | 1989-07-25 |