Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6133003 | Process for the preparation of vanillin and microorganisms suitable therefor | Jurgen Rabenhorst | 2000-10-17 |
| 5976863 | Process for the preparation of substituted methoxyphenols and microorganisms suitable for this purpose | Jurgen Rabenhorst | 1999-11-02 |
| 5703123 | Method for causing a physiological cooling effect to the skin or mucosa involving the application of carbonic acid esters | Ralf Pelzer, Horst Surburg | 1997-12-30 |
| 5585091 | Use of benzazoles UV absorbers, new benzazoles and a process for their preparation | Ralf Pelzer, Roland Langner, Horst Surburg, Horst Sommer, Alfred Krempel | 1996-12-17 |
| 5510252 | Process for the preparation of substituted methoxyphenols and microorganisms suitable for this purpose | Jurgen Rabenhorst | 1996-04-23 |
| 5371013 | Process for the preparation of substituted methoxyphenols and microorganisms suitable for this purpose | Jurgen Rabenhorst | 1994-12-06 |
| 5319104 | Derivatives of cyclic lactones, a process for their preparation and a process for the preparation of 15-pentadecanolide and its homologues | Horst Finkelmeier, Oskar Koch, Alfred Korber | 1994-06-07 |
| 5266592 | Compositions which have a physiological cooling effect, and active compounds suitable for these compositions | Helmut Grub, Ralf Pelzer, Roland Emberger, Heinz-Jurgen Bertram | 1993-11-30 |
| 5248831 | Ethers of 1-hydroxy-hex-5-en-2-one, processes for their preparation and their use as odoriferous substances | Thomas Thielmann, Wilhelm Gottsch | 1993-09-28 |
| 5212153 | Cyclopentyl-cyanomethyl-cyclopentenes, process for their preparation and their use as odoriferous substances | Thomas Thielmann, Wilhelm Gottsch | 1993-05-18 |
| 5166342 | Dimethylfuryl-dihydro-1,3,5-dithiazines | Jurgen Bruning, Roland Emberger, Matthias Guntert, Manfred Kopsel, Peter Werkhoff | 1992-11-24 |
| 5145703 | Thio-alkanones, process for their preparation and their use | Roland Emberger, Matthias Gunter, Manfred Kopsel, Walter Kuhn, Peter Werkhoff | 1992-09-08 |
| 5105005 | Alkadienenitriles, process for their preparation and their use | Thomas Thielmann, Wilhelm Gottsch | 1992-04-14 |
| 5017388 | Process for the preparation of vanillin | Jurgen Rabenhorst | 1991-05-21 |
| 4988526 | Hemimercaptals, processes for their preparation, and edible compositions containing same | Jurgen Bruning, Roland Emberger, Matthias Guntert, Manfred Kopsel, Theodor Sand +1 more | 1991-01-29 |
| 4853368 | Methylcyclododecatri-2,5,9-en-1-ols, a process for their preparation, and their use | Jurgen Neinhaus, Wilhelm Gottsch, Egon Oelkers | 1989-08-01 |
| 4814322 | Scents, and scent compositions containing them | Fritz Exner, Detlef Hagena, Jurgen Nienhaus, Wilhelm Gottsch | 1989-03-21 |
| 4710392 | Flavoring with oct-2-en-4-ol | Jurgen Bruning, Roland Emberger, Theodor Sand | 1987-12-01 |
| 4664755 | Process for the purification of crude .beta.-phenylethyl alcohol | Jurgen Nienhaus | 1987-05-12 |
| 4654168 | Use of 5-methyl-hept-2-en-4-one as a fragrance and/or flavor | Roland Emberger, Manfred Kopsel, Jurgen Bruning, Theodor Sand | 1987-03-31 |
| 4647662 | Unsymmetrical dihydrodithiazines, and their use as fragrances and flavorings | Jurgen Bruning, Roland Emberger, Manfred Kopsel, Theodor Sand, Peter Werkhoff | 1987-03-03 |
| 4563365 | Flavoring with 5-methyl-hept-2-en-4-one | Roland Emberger, Manfred Kopsel, Jurgen Bruning, Theodor Sand | 1986-01-07 |
| 4562067 | Preparation of novel dibenzoylmethane derivative sunscreen agents | Horst Finkelmeier, Roland Langner | 1985-12-31 |
| 4523023 | Preparation of isochromane derivatives | Horst Finkelmeier | 1985-06-11 |
| 4455295 | N-(p-Sulfophenyl) cinnamamide as sunscreen agent | Horst Finkelmeier, Roland Langner | 1984-06-19 |