Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7954874 | Plastic skin with switching function | Roland Wolff, Karl Buchkremer | 2011-06-07 |
| 7822294 | Method and apparatus for producing three-dimensionally structured surfaces | Gunter Vogt, Roland Wolff | 2010-10-26 |
| 7534318 | Method of producing textured mold-formed bodies, and mold-formed bodies manufactured according to the method | Jürgen Bühring, Volker Hülsewede, Burkhard Schafer | 2009-05-19 |
| 6962640 | Method for producing an embossing roller from silicone rubber for the continuous embossing of the surface of a thermoplastic film | Michael Mäker, Gunter Vogt | 2005-11-08 |
| 6913728 | Method of producing a molded part that is deep drawn from a thermoplastic foil | Gunter Vogt | 2005-07-05 |
| 6663738 | Method for preparation of a polyolefin foil and its utilization | Burkhard Schafer, Jürgen Bühring | 2003-12-16 |
| 6420510 | Aliphatic, low-emission thermoplastic polyurethane molding materials suitable for sintering | Wolfgang Kaufhold, Hans-Georg Hoppe, Herbert Heidingsfeld, Michael Kalbe | 2002-07-16 |
| 6410638 | Aliphatic, sinterable, thermoplastic polyurethane molding compositions | Wolfgang Kaufhold, Hans-Georg Hoppe, Jürgen Bühring | 2002-06-25 |
| 6166135 | Aliphatic sinterable thermoplastic polyurethane moulding compositions of reduced mechanical strength | Wolfgang Kaufhold, Hans-Georg Hoppe, Michael Kalbe, Hans-Hinrich Kruse | 2000-12-26 |
| 5194509 | Peroxide-free grafting of homopolymers and copolymers of ethylene having densities equal to or greater than 0.930 g/cm3, and use of the graft copolymers for the preparation of ionomers of adhesion promoters | Norbert Hasenbein, Peter Bauer, Lothar Schlemmer, Alfred F. Hauss, Hans Gropper | 1993-03-16 |
| 5189120 | Peroxide-free grafting of homopolymers and copolymers of ethylene having densities less than 0.930 g/cm.sup.3, and use of the graft copolymers for the preparation of ionomers or adhesion promoters | Norbert Hasenbein, Peter Bauer, Lothar Schlemmer, Alfred F. Hauss, Hans Gropper | 1993-02-23 |
| 4810799 | Preparation of N-(3,5-dichlorophenyl)oxazolidine-2,4-diones | Fritz Zanker | 1989-03-07 |
| 4597927 | Two-stage process for the preparation of thermoplastic polyurethane elastomers | Gerhard Zeitler, Frank Werner, Gerhard Bittner, Karl-Heinz Baumann, Artur Roeber +2 more | 1986-07-01 |
| 4581174 | Process for the continuous preparation of organic mono-and/or polyisocyanates | Harald Schnez, Ludwig Pfannenstiehl, Bernd Blumenberg, Hans J. Raabe | 1986-04-08 |
| 4294666 | Process for the manufacture of 4,4'-diphenyl-methane diisocyanate and a mixture of diphenyl-methane diisocyanate isomers containing a small amount of uretdiones and hydrolyzable chlorine | Hans J. Astheimer, Horst Brandtstaedter, Willy van Pee, Jaak Van Steen, Friedrich Sauer +2 more | 1981-10-13 |
| 4260554 | Storage-stable, liquid carbodiimide modified polyisocyanates and process for their manufacture | Georg Falkenstein, Rolf Wurmb, Matthias Marx | 1981-04-07 |