HG

Hartwig Grammes

BH Bayer Healthcare: 7 patents #1,339 of 8,007Top 20%
BA Bayer Materialscience Ag: 2 patents #297 of 1,035Top 30%
📍 Leverkusen, DE: #270 of 1,687 inventorsTop 20%
Overall (All Time): #581,085 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7989516 Plastic composite elements and a process for the production thereof Peter Haas, Catherine Lövenich 2011-08-02
7273656 Plastic composite elements and a process for the production thereof Peter Haas, Rolf Roers 2007-09-25
6759363 Activators for the production of polyurethane foams Peter Haas, Dirk Wegener 2004-07-06
5445879 Process for the preparation of composite bodies Ulrich Liman, Dirk Wegener 1995-08-29
5362834 Gel compounds, their production and use Dietmar Schapel, Heinz-Dieter Ebert 1994-11-08
5350781 Process for the production of polyurethane foams Ulrich Liman, Dirk Wegener, Manuel KAISER 1994-09-27
5342856 Process for producing integral skin molded foams Christian Weber 1994-08-30
4546121 Use of polyhydroxyalkyl monoureas for polyurethane foams, dispersions of the polyhydroxyalkyl monoureas in polyols and new tris-hydroxyalkyl monoureas Peter Haas, Geza Avar 1985-10-08
4540626 Polyhydroxyalkyl polycarbonamides for the production of flame-resistant polyurethane rigid foams and integral foams Peter Haas, Geza Avar 1985-09-10