Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5030244 | Preparation of granules of dyes, optical whiteners or photoactivators from an aqueous suspension of naphthalene sulfonic acid-formaldehyde condensate dispersant | Konrad Neumann, Wolfgang Rehmann, Horst Olaf Brücker | 1991-07-09 |