Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |