| 4940514 |
Making paper, board and cardboard of high dry strength |
Andreas Stange, Hans-Juergen Degen, Werner Auhorn, Michael Kroener, Heinrich Hartmann |
1990-07-10 |
| 4818341 |
Production of paper and paperboard of high dry strength |
Hans-Juergen Degen, Sigberg Pfohl, Gerd Rehmer, Michael Kroener, Andreas Stange |
1989-04-04 |
| 4784724 |
Making paper which has a high dry strength |
Sigberg Pfohl, Heinrich Hartmann, Friedrich Linhart |
1988-11-15 |
| 4770743 |
Engine size for paper, based on fatty alkyl diketenes and cationic polyacrylamides |
Enrique Freudenberg, Hans-Juergen Degen, Ulrich Riebeling |
1988-09-13 |
| 4560745 |
Preparation of dyes which contain sulfonic acid groups and have a low electrolyte content |
Friedrich Brunnmueller, Manfred Eisert, Rudolf Bermes |
1985-12-24 |
| 4252531 |
Process for dyeing wool or nylon fibers |
Manfred Daeuble, Hans Georg Schulze |
1981-02-24 |
| 4242187 |
Preparation of alkanes substituted by chlorine atoms and/or sulfochloride groups |
Helmut Schlecht, Rudi Widder |
1980-12-30 |
