Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309316 | Process for the production of washing powders of stabilized or enhanced appearance which contain fluorescent whitening agents | Burkhart Lange, Suresh C. Agarwal, Werner Fringeli | 1982-01-05 |