Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4227880 | Process for the production of dustfree granules of dyes and optical brighteners | Hanspeter Baumann, Urs Buchel | 1980-10-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4227880 | Process for the production of dustfree granules of dyes and optical brighteners | Hanspeter Baumann, Urs Buchel | 1980-10-14 |