Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929533 | Process for producing presensitized diazo resin lithographic printing plate using 1-methoxy-2-propanol as coating solvent | Hiroshi Misu | 1990-05-29 |
| 4917988 | Process for producing photosensitive negative working diazo resin lithographic plate using admixture of at least three solvents | Shigeo Koizumi, Nobuyuki Kita | 1990-04-17 |