Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350493 | Carrier composition for disperse dyes | — | 1982-09-21 |
| 4345073 | 7,7'-Diamino derivatives of 2,2'-spirodibenzopyranes | Andreas Oberlinner | 1982-08-17 |
| 4335259 | Quaternized polyamines | — | 1982-06-15 |
| 4316027 | 7,7'-Diamino derivatives of 2,2'-spirodibenzopyranes | Andreas Oberlinner | 1982-02-16 |