Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8097124 | Aqueous alkylketene dimer dispersions | Christoph Hamers, Andreas Brockmeyer, Markus Schmid, Klaus Lorenz | 2012-01-17 |
| 7709052 | Aqueous polymer dispersions containing alkyldiketenes, methods for the production thereof, and their use | Rainer Dyllick-Brenzinger, Roland Ettl, Franca Tiarks | 2010-05-04 |
| 5672392 | Preparation of recording materials for inkjet printers | Arnold De Clercq, Lothar Hohr | 1997-09-30 |
| 5498648 | Paper size mixtures | Arnold De Clercq, Roland Ettl, Carlos Goncalves, Lothar Hoehr, Andreas Hohmann | 1996-03-12 |
| 5266165 | Paper sizing using copolymers of long-chain olefins and maleic anhydride in the form of the semiamides with morpholine | Arnold DeClercq, Walter Denzinger, Norbert Greif, Heinrich Hartmann, Knut Oppenlaender | 1993-11-30 |
| 5154763 | Stabilized aqueous alkyldiketene emulsions | Peter Ksoll, Erwin Hahn, Peter Wittmer, Andreas Hohmann, Arnold De Clercq | 1992-10-13 |
| 4908240 | Printability of paper | Werner Auhorn, Hans-Juergen Degen, Lothar Hoehr | 1990-03-13 |
| 4855343 | Paper size based on finely divided aqueous dispersions | Hans-Juergen Degen, Fritz Reichel, Lothar Hoehr | 1989-08-08 |
| 4835212 | Sizing agents for paper based on finely divided aqueous dispersions | Hans-Juergen Degen, Fritz Reichel, Lothar Hoehr | 1989-05-30 |
| 4770743 | Engine size for paper, based on fatty alkyl diketenes and cationic polyacrylamides | Volkmar Weberndoerfer, Enrique Freudenberg, Hans-Juergen Degen | 1988-09-13 |