Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4594075 | Process for spray-drying readily water-soluble dyes and fluorescent brighteners | — | 1986-06-10 |
| 4326982 | Process for the manufacture of fine-crystalline fluorescent brighteners of the bis-triazinylaminostilbene series in the .beta.-crystal form | Konrad Neumann | 1982-04-27 |
| 4295851 | Process for the production of negligibly dusty preparation | Konrad Neumann, Friedrich Resch | 1981-10-20 |