Hans Hellbach — 6 Patents at Basf Se

Hans Hellbach has been granted 6 US patents while listed as an inventor at Basf Se. The first was granted in 1984 and the most recent in July 1987. Hans Hellbach ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Hans Hellbach in Lampertheim, DE.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date
4681946	Preparation of nicotinamide	Karl Baur, Volker Diehl, Peter Stops, Erwin Brunner	1987-07-21
4613466	Preparation of hexamethylene 1,6-diisocyanate and/or isomeric diisocyanates where alkylene is of 6 carbon atoms	Franz Merger, Gerhard Nestler, Friedrich Towae	1986-09-23
4596678	Multiple-step process for the preparation of hexamethylene diisocyanate-1,6 and/or isomeric aliphatic diisocyanates with six carbon atoms in the alkylene residue	Franz Merger, Friedrich Towae, Gunther Isbarn, Waldemar Koehler	1986-06-24
4596679	Multiple-step process for the preparation of 3-isocyanatomethyl-3,5,5-trimethylcyclohexylisocyanate	Franz Merger, Friedrich Towae	1986-06-24
4491674	Process and apparatus for the safe supply of molecular oxygen or of gas containing molecular oxygen to an oxidation of hydrocarbons	Norbert Rieber, Gerhard Hunziker, Guenter Mueller	1985-01-01
4482499	Process for the preparation of isocyanates by thermal cleaving of urethanes	Franz Merger, Gerhard Nestler, Rolf Platz, Friedrich Towae	1984-11-13

Hans Hellbach — 6 Patents

Issued Patents All Time

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