Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018113 | Method for the hydrolysis of a polymer | Hans-Joachim Haehnle, Ralph Isermann | 2024-06-25 |
| 11795255 | Method for producing paper or cardboard | Hans-Joachim Haehnle, Ralph Isermann | 2023-10-24 |
| 11680371 | Method for producing multi-layer paper | Christoph Hamers, Frans De Bruyn, Christopher Alan Gray, Ralph Isermann | 2023-06-20 |
| 11293143 | Method for producing single-layer or multi-layer paper | Christoph Hamers, Frans De Bruyn, Christopher Alan Gray, Ralph Isermann | 2022-04-05 |
| 11203838 | Method for manufacturing paper or cardboard | Christoph Hamers, Hans-Joachim Haehnle, Kai Pahnke | 2021-12-21 |
| 10626558 | Method for producing paper | Hans-Joachim Haehnle | 2020-04-21 |
| 9765483 | Production of paper, card and board | Hans-Joachim Haehnle | 2017-09-19 |
| 9206551 | Method for producing paper, paperboard and cardboard having high dry strength | — | 2015-12-08 |
| 9051687 | Production of paper, card and board | Hans-Joachim Haehnle | 2015-06-09 |
| 8778139 | Papers with a high filler material content and high dry strength | Hans-Joachim Haehnle, Tibor Adalbert Von Vadkerthy | 2014-07-15 |
| 8753479 | Production of paper, card and board | Hans-Joachim Haehnle | 2014-06-17 |
| 8647470 | Method for producing paper, paperboard and cardboard having high dry strength | — | 2014-02-11 |
| 8613833 | Aqueous suspensions of fine-particulate fillers, method for the manufacture thereof and use thereof for the manufacture of filler-containing papers | Juergen Schmidt-Thuemmes, Joerg Nieberle | 2013-12-24 |
| 8597466 | Process for the production of paper, board and cardboard having high dry strength | Hans-Joachim Haehnle | 2013-12-03 |
| 8529732 | Method for producing paper, card and board with high dry strength | Joerg Nieberle | 2013-09-10 |
| 8486227 | Method for producing paper, paperboard and cardboard | Rainer Blum, Joachim Kuhn, Marc Leduc, Ralf Hemel | 2013-07-16 |
| 8465584 | Aqueous suspensions of fine-particulate fillers, method for the manufacture thereof and use thereof for the manufacture of papers containing fillers | Joerg Nieberle | 2013-06-18 |
| 8449721 | Aqueous suspensions of fine-particulate fillers, method for the manufacture thereof and use thereof for the manufacture of fluid-containing papers | Juergen Schmidt-Thuemmes, Joerg Nieberle | 2013-05-28 |
| 8382948 | Production of paper | Hans-Joachim Haehnle | 2013-02-26 |
| 8349134 | Method for producing high dry strength paper, paperboard or cardboard | Hans-Joachim Haehnle, Martin Ruebenacker, Norbert Schall, Jacques Dupuis, Josef Neutzner +2 more | 2013-01-08 |
| 8337665 | Method for producing paper, paperboard and cardboard | Rainer Blum, Joachim Kuhn, Marc Leduc, Ralf Hemel | 2012-12-25 |
| 8227529 | Aqueous slurries of finely divided fillers, a process for their preparation and their use for the production of papers having a high filler content and high dry strength | Hans-Joachim Haehnle, Marc Schroeder | 2012-07-24 |
| 8197641 | Preparation of aqueous slurries of finely divided fillers and their use for the production of papers having a high filler content and high dry strength | Hans-Joachim Haehnle, Marc Schroeder | 2012-06-12 |
| 8192580 | Preparation of aqueous slurries of finely divided fillers and their use for the production of papers having a high filler content and high dry strength | Hans-Joachim Haehnle, Marc Schroeder | 2012-06-05 |
| 8097126 | Aqueous composition and use thereof for paper production | Hans-Joachim Haehnle, Volker Braig, Rainer Blum, Peter G. Baumann, Jacques Dupuis +1 more | 2012-01-17 |