Gerhard Hefele — 3 Patents at Basf Se

Gerhard Hefele has been granted 3 US patents while listed as an inventor at Basf Se. The first was granted in 2002 and the most recent in March 2003. Gerhard Hefele ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Gerhard Hefele in Wasserburg am Inn, DE.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6528683	Method for producing shell catalysts for the catalytic vapor-phase oxidation of aromatic hydrocarbons and catalysts obtained in such a manner	Thomas Heidemann, Frank Rosowski, Gerd Linden, Michael Seufert, Peter Michael Lorz	2003-03-04	$488,000
6458970	Method for producing acid phthalic anhydride and an appropriate shell catalyst containing titanium-vanadium-cesium	Otto Kratzer, Walter Scheidmeir, Bernhard Ulrich	2002-10-01	$235,000
6362345	Method for producing phthalic anhydride by means of catalytic vapor-phase oxidation of o-xylol/naphthalene mixtures	Thomas Heidemann, Heiko Arnold, Herbert Wanjek	2002-03-26	$230,000

Gerhard Hefele — 3 Patents

Issued Patents All Time

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