| 6746542 |
Modifying starch with cationic polymers and use of the modified starches as dry-strength agent |
Primoz Lorencak, Kurt Diehl, Norbert Mahr |
2004-06-08 |
| 6710175 |
Compositions suitable as additives in the paper industry, preparation; use; and, paper comprising such |
Kevin R. Anderson, Anton Esser, Lawrence E. Fosdick, Ki-Oh Hwang, Norbert Mahr +4 more |
2004-03-23 |
| 6616807 |
Method for producing high dry-strength paper, pulpboard and cardboard |
Rainer Dyllick-Brenzinger, Primoz Lorencak, Hubert Meixner, Peter G. Baumann, Ellen Krüger +1 more |
2003-09-09 |
| 6114435 |
Preparation of aqueous solutions of polymers containing vinylamine units, which solutions have a long shelf life, and their use |
Claudia Nilz, Manfred Winter, Michael Kroner, Rudolf Schuhmacher |
2000-09-05 |
| 6060566 |
Graft polymers of polymers containing vinyl ester and/or vinyl alcohol units and ethylenically unsaturated compounds, their preparation and their use |
Walter Denzinger, Martin Rubenacker, Claudia Nilz, Primoz Lorencak, Dietmar Monch +1 more |
2000-05-09 |
| 6048945 |
Graft polymers comprising polymers, containing alkylene oxide units, and ethylenically unsaturated compounds, their preparation and their use |
Walter Denzinger, Martin Rubenacker, Claudia Nilz, Primoz Lorencak, Dietmar Monch +1 more |
2000-04-11 |
| 5851300 |
Cationic modification of starch and use of the cationically modified starch |
Friedrich Linhart, Rudolf Schuhmacher, Heinrich Hartmann, Walter Denzinger, Manfred Niessner +3 more |
1998-12-22 |
| 5630907 |
Use of hydrolyzed copolymers of N-vinylcarboxamides and monoethylenically unsaturated carboxylic acids in papermaking |
Claudia Nilz, Walter Denzinger, Heinrich Hartmann, Michael Kroener, Friedrich Linhart +2 more |
1997-05-20 |
| 5578678 |
Graft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their use |
Heinrich Hartmann, Walter Denzinger, Michael Kroener, Claudia Nilz, Friedrich Linhart |
1996-11-26 |
| 5554718 |
Catonic urea/formaldehyde resins, their preparation and their use in the paper industry |
Klaus Flory, Michael Kroener, Norbert Sendhoff |
1996-09-10 |
| 5543459 |
Graft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their use |
Heinrich Hartmann, Walter Denzinger, Michael Kroener, Claudia Nilz, Friedrich Linhart |
1996-08-06 |
| 5478656 |
Cationic urea/formaldehyde resins, their preparation and their use in the paper industry |
Klaus Flory, Michael Kroener, Norbert Sendhoff |
1995-12-26 |
| 5334287 |
Graft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their use |
Heinrich Hartmann, Walter Denzinger, Michael Kroener, Claudia Nilz, Friedrich Linhart |
1994-08-02 |
| 5262008 |
Production of paper, board and cardboard in the presence of copolymers containing N-vinylformamide units |
Dietmar Moench, Heinrich Hartmann, Enrique Freudenberg |
1993-11-16 |
| 4981913 |
Bridged, water-soluble copolymers, their preparation and their use |
Dietmar Moench, Joerg Liebe, Heinrich Hartman, Franz Merger, Manfred Schwartz |
1991-01-01 |
| 4940514 |
Making paper, board and cardboard of high dry strength |
Hans-Juergen Degen, Werner Auhorn, Volkmar Weberndoerfer, Michael Kroener, Heinrich Hartmann |
1990-07-10 |
| 4845223 |
Fluorescent aryloxy-substituted perylene-3,4,9,10-tetracarboxylic acid diimides |
Guenther Seybold |
1989-07-04 |
| 4818341 |
Production of paper and paperboard of high dry strength |
Hans-Juergen Degen, Sigberg Pfohl, Volkmar Weberndoerfer, Gerd Rehmer, Michael Kroener |
1989-04-04 |
| 4667417 |
Preparation of aerogels |
Fritz Graser |
1987-05-26 |
