Norbert Gutfrucht — 4 Patents at Basf Se

Norbert Gutfrucht has been granted 4 US patents while listed as an inventor at Basf Se. The first was granted in 2013 and the most recent in January 2021. Norbert Gutfrucht ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Norbert Gutfrucht in Lambrecht, DE.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
10889683	N,N′-diaminopropyl-2-methylcyclohexane-1,3-diamine and N,N′-diaminopropyl-4-methylcyclohexane-1,3-diamine and the use thereof as curing agents for epoxy resins	Christian Gruenanger, Alexander Panchenko, Irene GORMAN, Veit Stegmann, Johann-Peter Melder +2 more	2021-01-12
10336668	Method for producing cis- and trans-enriched MDACH	Jan-Oliver Weidert, Sandra Kramp, Regina Benfer, Alexander Panchenko, Andreas Weickgenannt +3 more	2019-07-02
8450530	Process for preparing unsymmetric secondary tert-butylamines in the gas phase	Christoph Mueller, Christof Wilhelm Wigbers, Johann-Peter Melder, Gerd Haderlein	2013-05-28
8445726	Process for preparing unsymmetric secondary tert-butylamines in the liquid phase	Christof Wilhelm Wigbers, Christoph Mueller, Johann-Peter Melder, Bernd Stein, Harald Meissner +1 more	2013-05-21

Norbert Gutfrucht — 4 Patents

Issued Patents All Time

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