Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870000 | Color photograhic recording material containing a coupler which releases a photographically active compound | Peter Bergthaller, Dirk Hubner | 1989-09-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870000 | Color photograhic recording material containing a coupler which releases a photographically active compound | Peter Bergthaller, Dirk Hubner | 1989-09-26 |