HK

Helmut Keul

BH Bayer Healthcare: 8 patents #1,173 of 8,007Top 15%
CK Carl Freudenberg Kg: 1 patents #276 of 679Top 45%
DC Devan Chemicals: 1 patents #3 of 15Top 20%
HK Henkel Ag & Co. Kgaa: 1 patents #1,145 of 2,331Top 50%
MG Membrana Gmbh: 1 patents #16 of 36Top 45%
MG Momentive Performance Materials Gmbh: 1 patents #331 of 627Top 55%
📍 Aachen, DE: #200 of 2,680 inventorsTop 8%
Overall (All Time): #379,493 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
10266656 Silicone compounds and compositions thereof for the treatment of amino acid based substrates Roland Wagner, Anne Dussaud, Karl-Heinz Stachulla, Christian Wenske, Katharina Streicher +8 more 2019-04-23
9493475 Textile treatment compounds and compositions Subrata Chattopadhyay, Martin Moeller, Maxime Durka, James Budzynski 2016-11-15
7728069 Reactive cyclic carbonates and ureas used for modifying biomolecules, polymers, and surfaces Martin Möller, Nicolas Pasquier, Luc Ubaghs 2010-06-01
7407728 Alkaline cell or battery Wolffried Wenneis, Harald Hoffmann, Birgit Severich, Hartwig Hocker 2008-08-05
6800708 Oligomeric and polymeric telechelics Martin Melchiors, Hartwig Hocker, Dirk Achten 2004-10-05
6632895 Functionalized alkoxyamine initiators Martin Melchiors, Hartwig Hocker, Dirk Achten 2003-10-14
6573346 Oligomeric and polymeric telechelics Martin Melchiors, Hartwig Hocker, Dirk Achten 2003-06-03
6455645 Process for the production of telechelic polymers, telechelic polymers produced in this manner and use thereof Martin Melchiors, Dieter Margotte, Hartwig Hocker, Andreas Neumann 2002-09-24
6451921 Block copolymers with sulfonated polyether sulfone units Hilmar Weisse, Hartwig Hocker 2002-09-17
5116918 Crosslinked copolymers based on cyclic esters and carbonates Hartwig Hocker, Edgar Leitz, Norbert Schon, Steffen Kuhling 1992-05-26
5071921 Thermoplastic block copolymers based on cyclic carbonates or esters Herbert Eichenauer, Christian Lindner, Edgar Leitz, Karl-Heinz Ott, Hans-Josef Buysch +2 more 1991-12-10
4801632 Cellulose ester moulding materials with improved toughness Herbert Eichenauer, Christian Lindner, Friedemann Muller, Hartwig Hocker 1989-01-31
4754017 Process for the preparation of linear aliphatic polycarbonate from cyclic aliphatic carbonate Edgar Leitz, Christian Lindner, Herbert Eichenauer, Karl-Heinz Ott, Hans-Josef Buysch +2 more 1988-06-28