Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5183872 | Process for the peparation of finely divided, water-swellable polysaccharide graft polymers | Klaus Heidel | 1993-02-02 |
| 4425266 | Use of N-oxalkylated derivatives of aniline as a polymer-dissolving component in floor cleaners | Rudolf Beck | 1984-01-10 |