Werner Wiegmann — 8 Patents at Basf Se

Werner Wiegmann has been granted 8 US patents while listed as an inventor at Basf Se. The first was granted in 1999 and the most recent in April 2021. Werner Wiegmann ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Werner Wiegmann in Rahden, DE.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
10988593	Composition that is suitable for producing polyurethane foams and that contains at least one nucleating agent	Markus Schuette, Mark Elbing, Johann Klassen, Frank Fechner, Michael Klostermann +4 more	2021-04-27
10336040	Method for manufacturing a composite element for vacuum insulation elements	Marc Fricke, Joerg Krogmann	2019-07-02
9657133	Rigid polyurethane foams	Holger Seifert, Johann Klassen, Louis Du Rieu, Guenter Matzke	2017-05-23
6274642	Storage-stable, blowing agent-containing emulsions for producing rigid foams based on isocyanate	Udo Rotermund, Anja Biedermann, Renate Hempel, Marion Heinz	2001-08-14	$358,000
6040349	Production of rigid polyurethanes foams with reduced density	Gottfried Knorr, Udo Rotermund, Eva Baum, Holger Seifert	2000-03-21
5916480	Storage-stable emulsions for producing fine-celled rigid foams based on isocyanate	Udo Rotermund, Marion Heinz, Anja Biedermann, Renate Hempel	1999-06-29
5895792	Production of rigid polyurethane foams	Udo Rotermund, Renate Hempel, Holger Seifert	1999-04-20
5880168	Open-celled rigid foams based on isocyanate	Marion Heinz, Udo Rotermund, Anja Biedermann, Michael Reichelt	1999-03-09

Werner Wiegmann — 8 Patents

Issued Patents All Time

Patent Widget