Method for making aluminum alloy lithographic plates or Al/Ca lithographic alloy
US4360401A · kind A · utility
7Cited by
2References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 18, 1980 |
| Grant date | Nov 23, 1982 |
| Priority date | — |
| Expiry date | Jul 18, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C21/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of making a lithographic plate by etching in an alkaline bath a sheet of an alloy of aluminium and 0.1% to 4.5% calcium. The alloy preferably contains up to 2.0% magnesium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.