Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4500446 | Mixed unsaturated monocarboxylic acid esters of 2,2,6,6-tetramethyl-4-piperidinol and of its ammonium carboxylate as stabilizer against UV in polymeric materials | Julius Durmis, Alojz Balogh, Milan Karvas, Jan Masek, Pavol Caucik +1 more | 1985-02-19 |