SS

Stefan Silber

GG Goldschmidt Holding Gmbh: 20 patents #1 of 197Top 1%
TA Th. Goldschmidt. Ag: 13 patents #13 of 198Top 7%
EG Evonik Operations Gmbh: 8 patents #35 of 1,233Top 3%
EG Evonik Goldschmidt Gmbh: 4 patents #15 of 137Top 15%
EG Evonik Degussa Gmbh: 3 patents #409 of 1,853Top 25%
BA Basf Coatings Ac: 1 patents #2 of 19Top 15%
Basf Se: 1 patents #8,065 of 13,826Top 60%
Overall (All Time): #48,112 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 26–50 of 53 patents

Patent #TitleCo-InventorsDate
6689731 Phosphoric esters as emulsifiers and dispersants Eberhard Esselborn, Wernfried Heilen, Kathrin Lehmann, Ellen Reuter, Andreas Stüttgen 2004-02-10
6686320 Use of water-insoluble polyoxyalkylene-polysiloxane block copolymers for defoaming aqueous media Thomas Ebbrecht, Wolfgang Josten, Michael Keup, Roland Sucker 2004-02-03
6552091 Block-copolymeric polyalkylene oxides containing styrene oxide, obtained by alkoxylation, and their use Tammo Boinowitz, Ellen Reuter, Joachim Venzmer 2003-04-22
6552092 Defoamers for aqueous media Thomas Ebbrecht, Michael Gippert, Martina Hartmann, Wolfgang Josten, Peter Muss +1 more 2003-04-22
6525103 Water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers for defoaming aqueous media Thomas Ebbrecht, Wolfgang Josten, Michael Keup, Roland Sucker 2003-02-25
6451863 Use of water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers for defoaming aqueous media Thomas Ebbrecht, Wolfgang Josten, Michael Keup, Roland Sucker 2002-09-17
6433028 Use of water-insoluble polyoxyalkylene-polysiloxane block copolymers for defoaming aqueous media Thomas Ebbrecht, Wolfgang Josten, Michael Keup, Roland Sucker 2002-08-13
6423130 Phosphoric esters and their use as dispersants Tammo Boinowitz, Eberhard Esselborn, Arno Knebelkamp, Christian Psiorz, Stefan Stadtmuller +1 more 2002-07-23
6423785 Maleic anhydride copolymers containing amine oxide groups and their use as dispersants for pigments of fillers Eberhard Esselborn, Manfred Gaikowski, Wolfgang Josten, Ellen Reuter, Andreas Stüttgen 2002-07-23
6420324 Defoamers for aqueous media Thomas Ebbrecht, Michael Gippert, Martina Hartmann, Wolfgang Josten, Peter Muss +1 more 2002-07-16
6391831 Use of water-insoluble polyoxyarylene-polysiloxane block copolymers for defoaming aqueous media Thomas Ebbrecht, Wolfgang Josten, Michael Keup, Roland Sucker 2002-05-21
6353068 Polyacrylates and their use as degassing agents for paints and coatings Thomas Dietz, Eberhard Esselborn, Christian Psiorz, Ute Schick, Ellen Reuter +1 more 2002-03-05
6310123 Phosphoric esters and their use as dispersants Tammo Boinowitz, Eberhard Esselborn, Arno Knebelkamp, Christian Psiorz, Stefan Stadtmuller +1 more 2001-10-30
6297331 Organosiloxanyl derivatives of alkanediol monovinyl ethers, process for their preparation, their modification and their use as paint additives Georg Feldmann-Krane, Wolfgang Josten, Rolf-Dieter Langenhagen, Gerhard Reusmann, Werner Spratte +1 more 2001-10-02
6288129 Process for preparing acrylic esters and/or methacrylic esters of hydroxy-functional siloxanes and/or polyoxyalkylene-modified siloxanes and their use Burghard Gruning, Geoffrey Hills, Wolfgang Josten, Dietmar Schaefer, Christian Weitemeyer 2001-09-11
6268521 Process for preparing acrylic esters and/or methacrylic esters of polyoxyalkylenes and the use thereof Burghard Gruning, Geoffrey Hills, Wolfgang Josten, Dietmar Schaefer, Christian Weitemeyer 2001-07-31
6235813 Dispersants for preparing aqueous pigment pastes Petra Brandt, Eberhard Esselborn, Hans-Leo Karminski, Arno Knebelkamp, Christian Psiorz +1 more 2001-05-22
6218459 Pigment pastes comprising hydrophobically modified polyaspartic acid derivatives Burghard Gruning, Jorg Simpelkamp, Christian Weitemeyer 2001-04-17
6194596 Polysiloxanes containing carbonate groups and modified with linear polyesters and their use as additives in coatings Wolfgang Josten 2001-02-27
6054534 Silicone poly(meth) acrylates, their preparation and their use in coatings Wolfgang Josten, Gerhard Reusmann 2000-04-25
5994415 Compound antifoams for defoaming polymer dispersions and aqueous coating systems Burghard Gruning, Petra Hinrichs, Michael Keup, Frank König, Roland Sucker +1 more 1999-11-30
5977282 Acrylate group-modified organosiloxanyl derivatives of alkanediol monovinyl ethers, process for their preparation, and their use as radiation-curable binders Thomas Ebbrecht, Georg Feldmann-Krane, Stefan Stadtmuller 1999-11-02
5863966 Radiation-curing printing inks with enhanced scratch resistance and lubricity Thomas Ebbrecht, Georg Feldmann-Krane, Peter Lersch 1999-01-26
5804099 Polysiloxane-polyoxyethylene-polyoxypropylene triblock copolymers and defoaming compounds containing them Wernfried Heilen, Hans-Leo Karminski, Michael Keup, Otto Klocker, Roland Spiegler +1 more 1998-09-08
5733971 Aqueous and radiation-curable printing varnishes and printing inks with improved properties Georg Feldmann-Krane, Petra Hinrichs, Susanne Struck 1998-03-31