Patent · US Expired

Alloy for lithographic sheet

US7789978B2 · kind B2 · utility

3Cited by
2References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 11, 2002
Grant dateSep 7, 2010
Priority date
Expiry dateAug 17, 2025

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41N1/083
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

There is disclosed an Al alloy suitable for processing into a lithographic sheet, the alloy having a composition in wt %: Fe up to 0.4; Si up to 0.25; Ti up to 0.05; Cu up to 0.05; Zr up to 0.005; Cr up to 0.03; Ni up to 0.006; V up to 0.03; Zn up to 0.008 to 0.15; Mg up to 0.30; Mn up to 1.5. Unavoidable impurities up to 0.05 wt % total Al balance. The alloy allows production of the required surface for lithographic sheet over a wide range of process conditions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.