Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4683326 | Solvent-free crystallization of pentaerythritol tetrakis-[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate] and the novel alpha-crystalline form thereof | Ivan Orban | 1987-07-28 |
| 4288560 | Process for foaming plastics | Rudolf Kirchmayr, Hugo Illy | 1981-09-08 |