Patent · US Expired

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 dateJul 18, 1980
Grant dateNov 23, 1982
Priority date
Expiry dateJul 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.