Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5959060 | Polyisocyanate-modified polycarboxylic acids and their use as crosslinking agents for epoxy resins | Walter Schafer, Hanns P. Muller, Hans-Ulrich Meier-Westhues, Ulrich Freudenberg, Lothar Kahl | 1999-09-28 |
| 5932678 | Mixtures containing A) reaction products of isocyanates and NCO-reactive silanes and B)carbosilane dendrimers, a process for preparing powder coatings from the mixtures and their use | Helmut-Martin Meier, Michael Mager, Karsten Dierksen | 1999-08-03 |
| 5861471 | Polysulphone/polyether block copolycondensates | Heinz Pudleiner, Ralf Dujardin, Rolf Wehrmann, Helmut-Martin Meier | 1999-01-19 |
| 5552477 | Coating compound, a process for its preparation and its use for the production of coatings | Rolf Dhein, Lothar B acker, Manfred Bock, Werner Kubitza, Joachim Probst | 1996-09-03 |
| 5534601 | Polyisocyanate-modified dicarboxylic (poly) anhydrides | Walter Schafer, Hanns P. Muller, Hans-Ulrich Meier-Westhues, Lothar Kahl, Manfred Bock | 1996-07-09 |
| 5372986 | Dye-donor element for use according to thermal dye sublimation transfer | Geert Defieuw, Rolf Wehrmann, Ralf Dujardin | 1994-12-13 |
| 5304400 | Process for coating heat resistant substrates with two component stoving compositions | Rolf Dhein, Burkhard Kohler, Rainer Rettig, Lothar Backer | 1994-04-19 |
| 5292807 | Compositions of cyclic isourea component with carboxyl component | Walter Schafer, Hanns P. Muller, Hans-Joachim Kreuder, Manfred Bock | 1994-03-08 |
| 5238570 | Asymmetric semipermeable membranes of aromatic polycondensates, processes for their preparation and their use | Herbert Hugl, Rolf Dhein, Ralf Dujardin, Karlheinz Hildenbrand | 1993-08-24 |
| 5198525 | Aromatic copolyether sulfones | Wolfgang Jilge, Bernd Pittel, Gunther Weymans | 1993-03-30 |
| 5149367 | Printing inks | Thomas Scholl | 1992-09-22 |
| 5149761 | Aromatic ether imides | Dieter Freitag, Gunther Weymans, Rolf Dhein | 1992-09-22 |
| 5143986 | Polymer mixtures of an aromatic polyether ketone and a thermoplastic polymer | Gunter Weymans, Rolf Dhein, Erich Meier | 1992-09-01 |
| 5115076 | Aromatic copolyether ketones of dihydroxydiphenyl alkanes and phthaleins and a process for their production | Wolfgang Jilge, Bernd Pittel, Gunther Weymans | 1992-05-19 |
| 5105004 | Aromatic ethers | Dieter Freitag, Gunther Weymans, Rolf Dhein, Paul J. Mayska, Karsten-Josef Idel +2 more | 1992-04-14 |
| 5086157 | Aromatic polyether sulphones based on dihydroxy-diphenyl-cyclo-alkanes and films therefrom | Dieter Freitag, Gunther Weymans, Rolf Dhein, Erich Meier, Gerold Muller | 1992-02-04 |
| 4994579 | Aromatic ether imides | Dieter Freitag, Gunther Weymans, Rolf Dhein | 1991-02-19 |
| 4964890 | Aromatic polyether ketones | Dieter Freitag, Gunther Weymans, Rolf Dhein, Erich Meier, Gerold Muller | 1990-10-23 |
| 4750935 | Printing ink | Helmut P. Prochaska, Walter Tames, Klaus Kunde, Artur Haus | 1988-06-14 |
| 4430504 | Silyl ethers, a process for their production and their use as polymerization initiators | Rolf Dhein | 1984-02-07 |
| 4413116 | Process for the preparation of polyesters or alkyd resins, resins which may be obtained according to this process and the use thereof as lacquer binders | Rolf Dhein, Lothar Fleiter | 1983-11-01 |
| 4324880 | .beta.-Hydroxybutyric acid polyesters, a process for their production and their use as starting materials for lacquers | Rolf Dhein, Hans Rudolph, Jorg Pfitzner | 1982-04-13 |