WW

Werner Wiegmann

Basf Se: 8 patents #2,129 of 13,826Top 20%
EG Evonik Operations Gmbh: 1 patents #547 of 1,233Top 45%
Overall (All Time): #629,812 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
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
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