Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4784727 | Sizing agent and use thereof | Wolf-Dieter Schroer, Joachim Probst, Ingeborg Kolb, Peter Mummenhoff, Heinz Baumgen | 1988-11-15 |
| 4771097 | Tub sizes for paper | Gunter Sackmann, Joachim Konig, Heinz Baumgen, Klaus Albrecht | 1988-09-13 |
| 4753659 | Derivatives of cassia tora polysaccarides and their use | Friedrich Bayerlein, Nikolaos Keramaris, Manfred Kuhn, Nikolaus Kottmair, Michel Maton | 1988-06-28 |
| 4670100 | Aqueous solutions or dispersions of polyisocyanate addition products, a process for their preparation, and their use as coating compounds or as sizing agents for paper | Wolfgang Henning, Walter Meckel, Heinz Baumgen, Joachim Konig | 1987-06-02 |
| 4659431 | Cationic sizing agent for paper, and a process for its preparation | Joachim Probst, Heinz Baumgen | 1987-04-21 |
| 4616061 | Aqueous solutions or dispersions of polyisocyanate addition products, a process for the production thereof and the use thereof as coating agents or as sizing agents for paper | Wolfgang Henning, Walter Meckel, Heinz Baumgen | 1986-10-07 |
| 4614546 | Sizes based on ketene dimers | Wolf-Dieter Schroer, Peter Mummenhoff, Heinz Baumgen | 1986-09-30 |
| 4614759 | Surface sizing agents for paper | Gunter Sackmann, Heinz Baumgen | 1986-09-30 |
| 4596863 | N-alkylimide copolymers and their use as sizing agents | Gunter Sackmann, Heinz Baumgen | 1986-06-24 |
| 4568421 | Monofluorotriazinyl compounds, processes for their preparation and their use as sizing agents | Gunter Sackmann, Horst Jager, Heinz Baumgen | 1986-02-04 |
| 4568391 | Sizing agents | Wulf von Bonin, Hans-Ulrich Buschhaus, Heinz Baumgen | 1986-02-04 |
| 4521217 | Phthalocyanine and azo dyestuff mixtures and their use for dyeing paper | Frank-Michael Stohr, Horst Nickel | 1985-06-04 |
| 4499153 | Sizes | Wulf von Bonin, Peter Mummenhoff, Heinz Baumgen | 1985-02-12 |
| 4383835 | Process for improving the light fastness of polyamide dyeings with copper complexes of schiff bases or ortho-hydroxy benzophenone | Reinhard Preuss, Joachim Grutze, Hellmuth Pantke, Karl Vogel | 1983-05-17 |
| 4294656 | Process for measuring the state of charge of suspensions and for controlling the addition of auxiliary agents to the suspensions | Ekhard Rohloff | 1981-10-13 |