Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879200 | Light-sensitive material containing silver halide, reducing agent, polymerizable compound, and a quaternary ammonium development accelerator | — | 1989-11-07 |
| 4830947 | Light-sensitive material containing silver halide, reducing agent and polymerizable compound | — | 1989-05-16 |