Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8221831 | Materials for travelled surfaces | Michael Riehm, Amilcar Salumbo | 2012-07-17 |
| 5116967 | Method of manufacturing an adjustable-viscosity cationic starch | Wolfgang Fischer, Michael Huss, Reinhard Stober, Gert Roessler | 1992-05-26 |
| 5001191 | Process for dry cationization of polyvinyl alcohol | Reinhard Stober, Ellen Kohn | 1991-03-19 |
| 4940785 | Method of preparing cellulose ethers containing tertiary or quaternary nitrogen | Reinhard Stober, Michael Huss | 1990-07-10 |
| 4822851 | Process for the preparation of cationized polyvinyl alcohol | Reinhard Stober, Ellen Kohn | 1989-04-18 |