Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5321134 | Water-soluble phthalocyanine dyes, processes for their preparation and their use | Werner Russ, Wilhelm Muhlig | 1994-06-14 |
| 5302708 | Water-soluble phthalocyanine dyes | Werner Russ, Hartmut Springer, Marcus Banfer | 1994-04-12 |