Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5466827 | Use of thioalkanediones as aroma substances | Heinz-Jurgen Bertram, Matthias Guntert, Peter Werkhoff | 1995-11-14 |
| 5266592 | Compositions which have a physiological cooling effect, and active compounds suitable for these compositions | Helmut Grub, Ralf Pelzer, Rudolf Hopp, Heinz-Jurgen Bertram | 1993-11-30 |
| 5166342 | Dimethylfuryl-dihydro-1,3,5-dithiazines | Jurgen Bruning, Matthias Guntert, Rudolf Hopp, Manfred Kopsel, Peter Werkhoff | 1992-11-24 |
| 5145703 | Thio-alkanones, process for their preparation and their use | Matthias Gunter, Rudolf Hopp, Manfred Kopsel, Walter Kuhn, Peter Werkhoff | 1992-09-08 |
| 4988526 | Hemimercaptals, processes for their preparation, and edible compositions containing same | Jurgen Bruning, Matthias Guntert, Rudolf Hopp, Manfred Kopsel, Theodor Sand +1 more | 1991-01-29 |
| 4710392 | Flavoring with oct-2-en-4-ol | Jurgen Bruning, Rudolf Hopp, Theodor Sand | 1987-12-01 |
| 4654168 | Use of 5-methyl-hept-2-en-4-one as a fragrance and/or flavor | Manfred Kopsel, Jurgen Bruning, Rudolf Hopp, Theodor Sand | 1987-03-31 |
| 4647662 | Unsymmetrical dihydrodithiazines, and their use as fragrances and flavorings | Jurgen Bruning, Rudolf Hopp, Manfred Kopsel, Theodor Sand, Peter Werkhoff | 1987-03-03 |
| 4563365 | Flavoring with 5-methyl-hept-2-en-4-one | Manfred Kopsel, Jurgen Bruning, Rudolf Hopp, Theodor Sand | 1986-01-07 |
| 4407740 | Di- and Tetra-hydrobenzofuranones as scents and aroma substances | Manfred Kopsel | 1983-10-04 |