Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5718821 | Copolymers of ethylenically unsaturated carboxylic acid esters with polyoxyalkylene ethers of lower, unsaturated alcohols as flow-improving agents for paraffin containing oils | Matthias Krull, Sigmar-Peter von Halasz, Werner Reimann, Juliane Balzer | 1998-02-17 |
| 4238892 | Apparatus for cleaning containers | — | 1980-12-16 |