Ernst Hofmann has been granted 5 US patents while listed as an inventor at Basf Se . The first was granted in 1989 and the most recent in November 2011. Ernst Hofmann ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Ernst Hofmann in Ludwigshafen, DE.
Patents per Year Patents granted per year, 1989 to 2011 Bar chart with a peak of 2 patents in 2011. peak 2 1989: 1 patents 1989 1991: 1 patents 1991 2003: 1 patents 2003 2011: 2 patents 2011
Issued Patents All Time
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Showing 1–5 of 5 patents
Patent # Title Co-Inventors Date
8053499 Colored polyoxymethylene molding compounds and molded parts produced therefrom Stefan Disch , Gerhard Reuschel , Klaus Kurz 2011-11-08
7906594 Process for preparation of polymer blends composed of polyoxymethylenes and of thermoplastic elastomers Karl-Friedrich Muck , Michael Hoffmockel 2011-03-15
6548628 Process for producing a film or layer Andreas Winter , Gerhard Wieners , Bernd Bachmann 2003-04-15
5039817 Preparation of pure N-vinyl-2-pyrrolidone Ruprecht Kroker , Guenther Mueller 1991-08-13
4876275 3,4-dihydro-2H-pyrans useful as pesticides Walter Himmele , Hans Theobald , Franz Merger , Christoph Kuenast , Peter Hofmeister 1989-10-24
