EL

Erhard Luehmann

BA Bayer Materialscience Ag: 5 patents #109 of 1,035Top 15%
CA Covestro Deutschland Ag: 2 patents #276 of 964Top 30%
Overall (All Time): #730,725 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9676894 Aqueous polyurethane dispersions Stefan Sommer, Julian Michael Flores 2017-06-13
9567423 Low-viscosity polyurethane acrylate dispersions Stefan Sommer, Thorsten Rische 2017-02-14
8933146 Process for producing hard coating systems based on aqueous polyurethane dispersions Stefan Sommer, Richard Kopp, Harald Blum, Christoph Irle, Jan Weikard 2015-01-13
8865832 Tin-free aqueous polyurethane dispersions Stefan Sommer, Thorsten Rische, Jürgen Lippemeier 2014-10-21
8647471 Process for the production of sized and/or wet-strength papers, paperboards and cardboards Stefan Sommer, Serkan Unal, Micheal J. Dvorchak 2014-02-11
8231976 Block-resistant, radiation-curable coating systems based on high molecular mass, aqueous polyurethane dispersions Stefan Sommer, Jan Weikard 2012-07-31
7868055 UV-hardenable dispersions based on polyisocyanates Harald Blum, Stefan Sommer, Christoph Irle 2011-01-11