Doris Neumann — 3 Patents at Evonik Degussa Gmbh

Doris Neumann has been granted 3 US patents while listed as an inventor at Evonik Degussa Gmbh. The first was granted in 2014 and the most recent in September 2016. Doris Neumann ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Doris Neumann in Offenbach, DE.

Patents per Year

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
9452970	Method for hydrogenating nitroaromatic systems with selected platinum catalysts	Joachim Ritzer	2016-09-27
9127030	Method for the preparation of biphephos	Burkard Kreidler, Dirk Fridag, Bernhard Schemmer, Bjoern Wechsler, Andrea Christiansen	2015-09-08
8802897	Method for preparing cyclic ketones	Joachim Ritzer, Gunther Effenberger	2014-08-12