Deletion fluid for positive printing plates
US4351895A · kind A · utility
12Cited by
8References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 19, 1981 |
| Grant date | Sep 28, 1982 |
| Priority date | — |
| Expiry date | Oct 19, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/40
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A deletion fluid for positive working printing plates which is capable of removing unwanted, unexposed portions of a photosensitive coating on a substrate without detrimentally affecting the surface of said substrate. Said deletion fluid comprises an aqueous solution of a gum, an aliphatic alcohol, acetate or ether solvent, an amine desensitizing component and a thixotropic agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.