Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HS

Hermann Seyffer — 20 Patents

Basf Se: 20 patents #668 of 13,826Top 5%
Heidelberg, DE: #64 of 2,101 inventorsTop 4%
Overall (All Time): #214,803 of 4,157,543Top 6%
20 Patents All Time
Hermann Seyffer has been granted 20 US patents while listed as an inventor at Basf Se. The first was granted in 1990 and the most recent in November 2020. Hermann Seyffer ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Hermann Seyffer in Heidelberg, DE.

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10837140 Use of a coating layer with a styrene-butadiene copolymer on a paper substrate for blocking oxygen transfer Carmen-Elena Cimpeanu, Theo Smit, Nico Veling, Juergen Schmidt-Thuemmes, Dirk Lawrenz +1 more 2020-11-17
10837141 Use of a coating layer with an acrylate polymer on a paper substrate for blocking oxygen transfer Carmen-Elena Cimpeanu, Theo Smit, Nico Veling, Juergen Schmidt-Thuemmes, Dirk Lawrenz +1 more 2020-11-17
9950502 Paper and cardboard packaging with barrier coating Carmen-Elena Cimpeanu, Heiko Diehl, Darijo Mijolovic, Andre van Meer, Jan Van Delft +1 more 2018-04-24
9328247 Paper coating slip additive comprising acid monomer, associative monomer and nonionic monomer Carmen-Elena Cimpeanu, Anja Song, Thomas Steinmacher, Joerg Claussen, Philipp Zacharias +2 more 2016-05-03
9034444 Paper and cardboard packaging with barrier coating of a polymer mixture Carmen-Elena Cimpeanu, Heiko Diehl 2015-05-19
9023116 Associative thickener comprising acid monomer, associative monomer and nonionic monomer Philipp Zacharias, Ilshat Gubaydullin, Harutyun Hanciogullari, Marc Bothe 2015-05-05
8980437 Use of polyelectrolyte complexes for producing polymer foils with oxygen-barrier properties Carmen-Elena Cimpeanu, Thomas Breiner, Dieter Urban, Karl-Heinz Schumacher, Volker Schaedler +1 more 2015-03-17
8859106 Use of polypeptides in the form of adhesive agents Karl-Heinz Schumacher, Hans-Georg Lemaire, Ulf Baus, Thomas Subkowski, Marvin Karos +2 more 2014-10-14
8771812 Paper and cardboard packaging with barrier coating Carmen-Elena Cimpeanu, Ines Pietsch, Axel Weiss, Peter Preishuber-Pfluegl, Heiko Diehl +2 more 2014-07-08
8747955 Method of producing packaging having fat barrier properties Carmen-Elena Cimpeanu, Thomas Breiner, Dieter Urban, Volker Schaedler, Robert Feuerhake +2 more 2014-06-10
8637160 Polymer dispersions of vinylaromatic compounds and acrylate monomers prepared in the presence of seed latex and carbohydrate compounds Juergen Schmidt-Thuemmes, Elitsa Evstatieva, Aurelie Morel, Dirk Lawrenz 2014-01-28
8604101 Process for producing aqueous dispersions of thermoplastic polyesters Liqun Ren, Gimmy Alex Fernandez Ramirez, Motonori Yamamoto, Gabriel Skupin 2013-12-10
8314178 Polymer dispersions containing highly branched polycarbonates Alexandre Terrenoire, Daniel Schoenfelder, Bernd Bruchmann, Sebastian Roller, Harm Wiese +2 more 2012-11-20
6767646 Polymer dispersion for impregnating paper Titus Leman, Peter Claassen, Kai Olfermann, Thomas Wirth, Jurgen Schmidt-Thummes 2004-07-27 $460,000
6458230 Preparation of recyclable fiber composites Robert Rupaner, Karl-Heinz Schumacher, Werner Kirchner, Bradley Ronald Morrison, Roland Offner 2002-10-01 $235,000
6063498 Sterile nonwovens bonded using polyurethane dispersions Ulrike Licht, Karl Haberle, Peter Claassen, Albrecht Seher, Karl-Heinz Schumacher 2000-05-16
5756170 Packaging films coated with polyurethane Ulrike Licht, Jens Rieger, Helmut Kaehs, Rainer Hummerich 1998-05-26
5624748 Packaging materials having barrier properties against oxygen Erich Penzel, Eberhard Beckmann, Norbert Sendhoff 1997-04-29
5536766 Formaldehyde-free binding, impregnating or coating compositions for fibrous sheet materials Robert Rupaner, Erhard Gunther, Rainer Hummerich 1996-07-16
4937282 Dispersions of non-tertiary butyl (meth)acrylate copolymers having glass transition temperatures of less than -10.degree.C. Peter Pfoehler, Juergen Vietmeter, Johannes Tuerk, Wolfgang Druschke, Klaus Schagerer 1990-06-26