Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352729 | Use of pigment formulations for the preparation of pastes, printing inks and coatings | Hermann Birkhofer, Heinrich Hartmann, Juan Antonio Gonzalez Gomez, Paul Guenthert, Joachim Jesse +4 more | 1994-10-04 |
| 5334287 | Graft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their use | Heinrich Hartmann, Michael Kroener, Claudia Nilz, Friedrich Linhart, Andreas Stange | 1994-08-02 |
| 5286263 | Use of copolymers based on long-chain alkyl vinyl ethers and ethylenically unsaturated dicarboxylic anhydrides for rendering leathers and skins water-repellent | Ortwin Schaffer, Herbert Bay, Karl Stork, Norbert Greif, Knut Oppenlaender +1 more | 1994-02-15 |
| 5279613 | Copolymers based on long-chain olefins and ethylenically unsaturated dicarboxylic anhydrides for rendering leathers and skins water-repellent | Ortwin Schaffer, Herbert Bay, Karl Stork, Norbert Greif, Knut Oppenlaender +1 more | 1994-01-18 |