Process for preparing lithographic printing plate bases
US4339315A · kind A · utility
3Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1981 |
| Grant date | Jul 13, 1982 |
| Priority date | — |
| Expiry date | Mar 6, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12993
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
There is disclosed a process for preparing lithographic printing plate bases, which comprises electrolytically etching a sheet made of aluminum or an aluminum alloy in an aqueous electrolytic solution containing hydrochloric acid and citric or malic acid at a bath temperature of 10.degree. to 40.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.