Reinhard Sigg — 8 Patents at Huels Aktiengesellschaft

Reinhard Sigg has been granted 8 US patents while listed as an inventor at Huels Aktiengesellschaft. The first was granted in 1995 and the most recent in April 2005. Reinhard Sigg ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Reinhard Sigg in Marl, DE.

Patents per Year

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #	Title	Co-Inventors	Date
6875898	Process for preparing phenols	Manfred Weber, Michael Lausmann, Siegmund Greschek	2005-04-05
6630608	Process for preparing phenols	Uwe Tanger, Siegmund Greschek, Manfred Weber	2003-10-07
6555719	Process for the thermal after-treatment of cleavage product from the acid-catalyzed cleavage of cumene hydroperoxide	Uwe Tanger, Manfred Weber, Otto Schnurr, Hugo H.J.M. Liefooghe	2003-04-29
6307112	Process for preparing phenol and acetone by acid-catalyzed cleavage of cumene hydroperoxide	Manfred Weber, Otto Gerlich, Michael Kleine-Boymann, Werner Pompetzki, Christian Michalik +1 more	2001-10-23
6180817	Process for the distillation of crude ester in the DMT/PTA process	Udo Lenz, Ulrich Neutzler, Anton Schoengen	2001-01-30
6096171	Process for the distillation of crude ester in the DMT/PTA process	Udo Lenz, Ulrich Neutzler, Anton Schoengen	2000-08-01
5852201	Process for the distillation of crude ester in the DMT/PTA process	Udo Lenz, Ulrich Neutzler, Anton Schoengen	1998-12-22
5426195	Process for the catalytic dehydrogenation of diols	Hans Regner	1995-06-20