Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11306441 | Composition comprising cross-linked anionic, organic polymeric microparticles, its preparation and use in paper and paperboard making processes | Anja Thomas, Rosa Corberan Roc | 2022-04-19 |
| 10975525 | Finely divided, cationic, aqueous polymer dispersions, method for the production thereof, and the use thereof | Carmen-Elena Cimpeanu, Klaus Moeller, Petra Arnold, Kristina Georgieva, Reinhold Dieing +1 more | 2021-04-13 |
| 10113270 | Process for the manufacture of paper and paperboard | Christopher Alan Gray, Antonius Moormann-Schmitz, Hubert Meixner, Luis Miguel Sanchez Cerro, Thomas Muehlenbernd | 2018-10-30 |
| 9567710 | Manufacture of cellulosic pulp sheets | Joachim Hege, Detlef Kannengiesser | 2017-02-14 |
| 9404223 | Process for the manufacture of paper and paperboard | Christopher Alan Gray, Antonius Moormann-Schmitz, Hubert Meixner, Luis Miguel Sanchez Cerro, Thomas Muehlenbernd | 2016-08-02 |
| 9103071 | Manufacture of paper and paperboard | — | 2015-08-11 |
| 8926797 | Method for increasing the dry strength of paper, paperboard, and cardboard | Ellen Krueger, Hans-Joachim Haehnle, Martin Ruebenacker, Norbert Schall, Thomas Muehlenbernd | 2015-01-06 |
| 8916026 | Manufacture of cellulosic pulp sheets | Joachim Hege, Detlef Kannengieβer | 2014-12-23 |
| 8597467 | Water-soluble post branched cationic acrylamide polymers and use thereof | René Hund, Muttalif Duong | 2013-12-03 |
| 8454799 | Pulp composition for paper and solid board production | Hans-Georg Lemaire, Oliver Koch, Tilo Habicher, Sylke Haremza, Markus Hoffmann | 2013-06-04 |
| 8404083 | Process for increasing the dry strength of paper, board and cardboard | Hans-Joachim Haehnle, Rainer Blum, Ellen Krueger, Norbert Schall, Martin Ruebenacker | 2013-03-26 |
| 8394237 | Method for manufacturing paper, cardboard and paperboard using endo-beta-1,4-glucanases as dewatering means | Torsten Klein, Hans-Georg Lemaire, Oliver Koch | 2013-03-12 |
| 8242215 | Cationic copolymers derived from acrylamides and use thereof | René Hund | 2012-08-14 |
| 7972478 | Method of producing high dry strength paper and cardboard and paper and cardboard thus obtained | René Hund, Fabrice Moretton | 2011-07-05 |
| 7883603 | Method for making paper and cardboard with high dry strength and resulting papers and cardboards | René Hund, Fabrice Moretton | 2011-02-08 |
| 7815771 | Process for the manufacture of paper and board | Gatien Faucher, René Hund | 2010-10-19 |
| 6797785 | Methods for synthesizing polyvinyl amine (PVA) type flocculating and coagulating agents, novel agents thus obtained, uses thereof and improved paper types thus obtained | René Hund | 2004-09-28 |
| 6579417 | Flocculation method for making a paper sheet | René Hund | 2003-06-17 |
| 5902455 | Process for improving retention in a process for the manufacture of paper, board and the like, and retaining agent for the application of this process | René Hund | 1999-05-11 |