Preparation of hydrophilic lithographic printing masters
US4081572A · kind A · utility
63Cited by
8References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 16, 1977 |
| Grant date | Mar 28, 1978 |
| Priority date | — |
| Expiry date | Feb 16, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Hydrophilic printing masters are provided comprising coating a self-supporting master substrate with a hydrophilic polymer containing carboxylic acid functionality and selectively converting this polymer in image configuration to a hydrophobic condition by heat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.