| 6491786 |
Welding head for heated tool welding |
— |
2002-12-10 |
| 6488793 |
Device and method for heated tool welding |
Joachim Natrop |
2002-12-03 |
| 5744001 |
Aqueous pigment slurries for production of filler-containing paper |
Friedrich Linhart, Guenter Scherr, Wolfgang Reuther, Primoz Lorencak |
1998-04-28 |
| 5641855 |
Water-soluble condensation products of amino-containing compounds and crosslinkers, preparation thereof and use thereof |
Guenter Scherr, Wolfgang Reuther, Friedrich Linhart, Juergen Weiser |
1997-06-24 |
| 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 |
| 5536370 |
Condensates of polyalkylenepolyamines, their preparation and their use in papermaking |
Guenter Scherr, Wolfgang Reuther, Primoz Lorencak, Friedrich Linhart, Juergen Weiser |
1996-07-16 |
| 5292800 |
Water-in-oil polymer emulsions |
Heinrich Hartmann, Hans-Ulrich Wekel |
1994-03-08 |
| 5290880 |
Preparation of finely divided, water-soluble polymers containing vinylamine units |
Michael Kroener, Enrique Freudenberg, Heinrich Hartmann, Norbert Sendhoff |
1994-03-01 |
| 5262008 |
Production of paper, board and cardboard in the presence of copolymers containing N-vinylformamide units |
Heinrich Hartmann, Enrique Freudenberg, Andreas Stange |
1993-11-16 |
| 5225088 |
Use of nonhydrolyzed copolymers containing N-vinylformamide units as flocculants and drainage aids |
Heinrich Hartmann, Karl-Heinz Buechner |
1993-07-06 |
| 4981913 |
Bridged, water-soluble copolymers, their preparation and their use |
Andreas Stange, Joerg Liebe, Heinrich Hartman, Franz Merger, Manfred Schwartz |
1991-01-01 |
