Werner Hefner — 13 Patents at Basf Se

Werner Hefner has been granted 13 US patents while listed as an inventor at Basf Se. The first was granted in 1985 and the most recent in March 2004. Werner Hefner ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Werner Hefner in Lampertheim, DE.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6712942	Working up a mixture comprising alkene and oxygen	Joaquim Henrique Teles, Alwin Rehfinger, Peter Bassler, Norbert Rieber, Anne Wenzel +1 more	2004-03-30	$256,000
6278033	Catalyst and process for purifying streams of materials	Klemens Flick, Ruprecht Meissner, Rainer Feser, Fabian Kunz	2001-08-21	$372,000
6204218	Catalyst and process for purifying streams of materials	Klemens Flick, Ruprecht Meissner, Rainer Feser, Fabian Kunz	2001-03-20	$301,000
6090977	Continuous heterogeneously catalyzed gas-phase partial oxidation of an organic compound	Otto Machhammer, Hans-Peter Neumann, Andreas Tenten, Wilhelm Ruppel, Herbert Vogel	2000-07-18	$15,305,000
5705684	Preparation of acrolein, acrylic acid or a mixture thereof from propane	Otto Machhammer, Hans-Peter Neumann, Andreas Tenten, Wilhelm Ruppel, Herbert Vogel	1998-01-06
5684188	Continuous heterogeneously catalyzed gas-phase oxidation of propylene to acrolein, acrylic acid or a mixture thereof	Otto Machhammer, Hans-Peter Neumann, Andreas Tenten, Wilhelm Ruppel, Herbert Vogel	1997-11-04
5248427	Removal of water from mixtures with alcohols and/or carboxylic acids and/or carboxylic esters	Luise Spiske, Harald Meissner, Andreas Huebner, Hermann Steinhauser, Guido Ellinghorst	1993-09-28
5051188	Removal of water from a mixture of water, CO.sub.2 and amines	Luise Spiske, Dietrich Luetzow, Christof Herion, Klaus Kuessner	1991-09-24
4999031	Removing CO.sub.2 and, if necessary, H.sub.2 S from gases	Wolfgang Gerhardt	1991-03-12
4997630	Removal of CO.sub.2 and/or H.sub.2 S from gases	Eckhart Wagner, Klaus Volkamer, Ulrich Wagner	1991-03-05
4859286	Isolation of 1,3-butadiene	Gerd Kaibel, Peter Keller, Werner Drewitz	1989-08-22
4569725	Separation of a C.sub.4 -hydrocarbon mixture essentially containing n-butenes and butanes	Alfred Lindner, Klaus Broellos, Gerhard Sandrock, Klaus Volkamer	1986-02-11
4551158	Removal of CO.sub.2 and/or H.sub.2 S from gases	Eckhart Wagner, Klaus Volkamer, Ulrich Wagner	1985-11-05

Werner Hefner — 13 Patents

Issued Patents All Time

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