Norbert Zimmermann has been granted 5 US patents while listed as an inventor at Basf Se . The first was granted in 1992 and the most recent in June 2007. Norbert Zimmermann ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Norbert Zimmermann in Waldsee, DE.
Patents per Year Patents granted per year, 1992 to 2007 Bar chart with a peak of 1 patents in 1992. peak 1 1992: 1 patents 1992 1993: 1 patents 1993 1996: 1 patents 1996 1998: 1 patents 1998 2007: 1 patents 2007
Issued Patents All Time
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Showing 1–5 of 5 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7229803 Reaction of (di)amines in the presence of a lysine oxidase and of a reducing agent Thomas Friedrich , Rainer Stürmer 2007-06-12
$953,000
5753775 Sulfonated and oxidized indene polymers Eberhard Beckmann , Stefan Erren , Ulf Baus , Erich Kromm , Klaus Taeger +2 more 1998-05-19
5534166 Preparation of condensates of arenesulfonic acids and formaldehyde and use thereof Ralf Brueckmann , Johannes P. Dix , Rolf Fikentscher , Manfred Herrmann 1996-07-09
5186846 Dye dispersants: aryl sulphonic acid-formaldehyde condensate or ligninsulfonate Ralf Brueckmann , Willi Bury , Johannes P. Dix , Manfred Herrmann , Waldemar Dlugosch +4 more 1993-02-16
5124438 Chemically modified proteins and colorant formulations containing the same Ralf Brueckmann , Johannes P. Dix , Manfred Herrmann , Herbert Leiter 1992-06-23
