Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314721 | Process for sizing paper | Michael Muller, Heinrich Alberts, Joachim Konig, Heinz Baumgen, Fritz Puchner | 1994-05-24 |
| 5288787 | Emulsion polymers | Gunter Sackmann, Wolfgang Henning, Joachim Konig, Heinz Baumgen | 1994-02-22 |
| 5075370 | Aqueous coating composition based on specific two-component polyurethanes and to a process for its production | Werner Kubitza, Hermann Gruber | 1991-12-24 |
| 4997873 | Copolymers containing perfluoroalkyl groups | Carlhans Suling, Jutta Rottger, Henning Bachem, Wilfried Kortmann | 1991-03-05 |
| 4918129 | Process for the production of aqueous polymer dispersions, the dispersions obtainable by this process and their use for the production of coatings | Josef Pedain, Bruno Bomer, Adolf Schmidt, Wolfhart Wieczorrek | 1990-04-17 |
| 4918135 | Process for the preparation of aqueous polymer dispersions the dispersions obtained by the process and their use for the production of coatings | Walter Schafer, Klaus Schuster, Heinrich Alberts, Hanns P. Muller, Adolf Schmidt +1 more | 1990-04-17 |
| 4904727 | Emulsion polymers | Wolfgang Henning, Heinz Baumgen, Joachim Konig | 1990-02-27 |
| 4832989 | Method of improving the bond strength of electrolessly deposited metal layers on plastic-material surfaces | Henning Giesecke, Gerhard D. Wolf, Klaus Schuster | 1989-05-23 |
| 4806591 | Cationic sizing agents for paper | Heinz Baumgen, Bruno Bomer, Joachim Konig, Renke Mottweiler | 1989-02-21 |
| 4784727 | Sizing agent and use thereof | Wolf-Dieter Schroer, Ingeborg Kolb, Ulrich Beck, Peter Mummenhoff, Heinz Baumgen | 1988-11-15 |
| 4732960 | Process for the production of new polyisocyanate compositions and their use for the production of plastics by the isocyanate polyaddition process | Werner Rasshofer, Reiner Paul | 1988-03-22 |
| 4659431 | Cationic sizing agent for paper, and a process for its preparation | Ulrich Beck, Heinz Baumgen | 1987-04-21 |
| 4645817 | Preparation of hydroxyl group-containing alkoxylation products of organic carboxylic acids | Michael Sonntag, Roland Richter, Hanns P. Muller | 1987-02-24 |
| 4481319 | Low-foam surface sizing agents for paper which contain copolymeric _maleic anhydride semi-amides | Gunter Sackmann, Gunter Kolb, Friedhelm Muller, Heinz Baumgen | 1984-11-06 |
| 4442145 | Process for coating substrates with polyisocyanates and polyhydroxy polyacrylates | Bernd Riberi, Gunter Kolb, Peter Hohlein | 1984-04-10 |
| 4434269 | Cationic sizing agent for paper and a process for the preparation thereof | G/u/ nter Kolb, Peter Mummenhoff, Heinz B/a/ umgen | 1984-02-28 |
| 4423194 | Polyquaternary ammonium compounds, their preparation, their use in the production of paper and paper treatment agents containing them | Wilfried Lobach, Peter Haas, Gunter Kolb, Guter Sackmann | 1983-12-27 |
| 4418175 | Cationic sizing agents for paper | Gunter Kolb, Friedhelm Muller, Heinz Baumgen | 1983-11-29 |
| 4293661 | Low molecular weight acrylate resins containing hydroxyl and tertiary amino groups | Michael Sonntag, Gunter Kolb | 1981-10-06 |