PE

Peter Esser

DA Degussa Ag: 2 patents #28 of 269Top 15%
📍 Holzminden, SC: #1 of 1 inventorsTop 100%
Overall (2003): #48,420 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6639108 Ammoximation of ketones and work-up by pervaporation/vapor permeation Thomas Schiffer, Martin Roos, Franz-Felix Kuppinger, Günter Stevermüer, Georg Thiele 2003-10-28
6620970 Work-up of the ammoximation products of ketones by liquid-liquid extraction in a ternary solvent system Thomas Schiffer, Jorg Krissmann, Martin Roos, Günter Stevermüer, Georg Thiele 2003-09-16