PW

Peter Werkhoff

HR Haarmann & Reimer: 7 patents #9 of 126Top 8%
HA Hag Gf Aktiengesellschaft: 1 patents #6 of 13Top 50%
Overall (All Time): #589,576 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6153770 Furfurylthioalkanes, a process for their preparation and their use Heinz-Jurgen Bertram, Matthias Guntert 2000-11-28
5830846 Use of 3-acylthiohexyl esters as aroma and odoriferous substances Heinz-Jurgen Bertram, Jurgen Bruning, Matthias Guntert, Peter Worner 1998-11-03
5466827 Use of thioalkanediones as aroma substances Heinz-Jurgen Bertram, Roland Emberger, Matthias Guntert 1995-11-14
5166342 Dimethylfuryl-dihydro-1,3,5-dithiazines Jurgen Bruning, Roland Emberger, Matthias Guntert, Rudolf Hopp, Manfred Kopsel 1992-11-24
5145703 Thio-alkanones, process for their preparation and their use Roland Emberger, Matthias Gunter, Rudolf Hopp, Manfred Kopsel, Walter Kuhn 1992-09-08
4988526 Hemimercaptals, processes for their preparation, and edible compositions containing same Jurgen Bruning, Roland Emberger, Matthias Guntert, Rudolf Hopp, Manfred Kopsel +1 more 1991-01-29
4647662 Unsymmetrical dihydrodithiazines, and their use as fragrances and flavorings Jurgen Bruning, Roland Emberger, Rudolf Hopp, Manfred Kopsel, Theodor Sand 1987-03-03
4540784 Recovery of caffeine adsorbed to activated carbon Otto Vitzthum, Manfred Gehrig 1985-09-10
4308291 Process for decaffeinating green coffee Peter Hubert 1981-12-29