EL

Erhard Luhmann

WA Wolff Walsrode Ag: 19 patents #3 of 163Top 2%
BH Bayer Healthcare: 9 patents #1,044 of 8,007Top 15%
CA Covestro Deutschland Ag: 1 patents #436 of 964Top 50%
Overall (All Time): #132,023 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 25 most recent of 29 patents

Patent #TitleCo-InventorsDate
9321893 Radiation-curable whipped foams Stefan Sommer, Jan Weikard, Holger Casselmann, Thomas Michaelis 2016-04-26
6960639 Radiation-curing coating compositions Jan Weikard, Christoph Irle, Thorsten Rische, Karin Naujoks, Thomas Feller +1 more 2005-11-01
6710120 Polyurethane dispersions based on fatty acid dialkanolamides Rolf Gertzmann, Christoph Irle, Jan Weikard, Rolf Roschu 2004-03-23
6583215 Aqueous 2-component PU systems Joachim Probst, Horst Clemens, Wolfgang Kremer, Jurgen Meixner, Hans-Josef Laas 2003-06-24
6541536 Polyurethane dispersions Jan Weikard, Wolfgang Kremer, Jurgen Meixner 2003-04-01
6521702 Aqueous polyurethane emulsions Jan Weikard, Dieter Erdmann, Wolfgang Fischer, Wolfgang Kremer 2003-02-18
6420478 Binder compositions and their use in aqueous coating and adhesive compositions Christoph Irle, Hans-Josef Laas, Wolfgang Kremer, Rolf Roschu 2002-07-16
6274653 Bonding agent preparations for paints, the production and use thereof Reinhold Hecht, Lutz Hoppe 2001-08-14
6197874 Polyurethane-polyacrylate hybrid dispersions containing allophanate groups Christoph Irle, Harald Blum, Martin Brahm, Wolfgang Kremer, Rolf Roschu +2 more 2001-03-06
5711793 Lacquer vehicles in granular form and free from emulsifying agents, and their preparation Wolfgang Dannhorn, Lutz Hoppe, Hans-Jurgen Juhl 1998-01-27
5684081 Radiation-curable, aqueous dispersions, production and use thereof Wolfgang Dannhorn, Reinhold Hecht, Lutz Hoppe 1997-11-04
5565504 Aqueous reactive microgel dispersions, a method of preparing them and their use Wolfgang Dannhorn, Lutz Hoppe, Hans-Jurgen Juhl 1996-10-15
5510453 Polymerizable, highly crosslinking lacquer binders and their use for the production of lacquers Burkhard Kressdorf, Wolfgang Dannhorn, Lutz Hoppe 1996-04-23
5484826 Free-flowing, quick-dissolving lacquer binder granules Burkhard Kressdorf, Lutz Hoppe 1996-01-16
5459196 Reactive water-emulsifiable binders and their use for the production of lacquers Burkhard Kressdorf, Wolfgang Dannhorn, Lutz Hoppe 1995-10-17
5362313 Coating composition and its use Lutz Hoppe, Burkhard Kressdorf, Reinhard Nader 1994-11-08
5352730 Coating system for materials which swell in water Burkhard Kressdorf, Lutz Hoppe, Klaus Szablikowski, Gunter Weber, Sebastian Meyer-Stork 1994-10-04
5274067 Binders containing ethylenically unsaturated groups and their use for the production of paints Burkhard Kressdorf, Lutz Hoppe, Wolfgang Koch, Klaus Szablikowski 1993-12-28
5102976 Water-soluble polymerizable polyesters Burkhard Kressdorf, Lutz Hoppe 1992-04-07
5089586 Water-dispersible allyl urethanes and their use for the production of paints Michael Piepho, Lutz Hoppe 1992-02-18
5011874 Cellulose ester/polymer combinations, and their preparation and use Lutz Hoppe, Wolfgang Koch, Michael Piepho 1991-04-30
4970247 Aqueous cellulose ester dispersions and their preparation Lutz Hoppe, Wolfgang Koch, Michael Piepho 1990-11-13
4933428 Polymerizable water soluble binders Michael Piepho, Lutz Hoppe, Klaus Szablikowski 1990-06-12
4772329 Aqueous dispersions based on cellulose nitrates, a process for their production and their use as quick-hardening coatings Lutz Hoppe, Klaus Szablikowski 1988-09-20
4764548 Tile adhesive based on water-dilutable, cellulose-containing pastes Lutz Hoppe, Frank Hohl, Eugen Reinhardt 1988-08-16