Peter Werkhoff — 9 Patents at Haarmann & Reimer

Peter Werkhoff has been granted 9 US patents while listed as an inventor at Haarmann & Reimer. The first was granted in 1981 and the most recent in November 2000. Peter Werkhoff ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Peter Werkhoff in Stuhr, DE.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date
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

Peter Werkhoff — 9 Patents

Issued Patents All Time

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