Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353972 | Light-sensitive photographic material comprising polymeric mordant layer | Gunter Helling, Kaspar Wingender, Wolfgang Himmelmann | 1982-10-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353972 | Light-sensitive photographic material comprising polymeric mordant layer | Gunter Helling, Kaspar Wingender, Wolfgang Himmelmann | 1982-10-12 |