LITHOGRAPHIC PLATE
United States Patent 3440050
US Patent References:
Treatment of coatings
- - 2008733
Process and composition for producing aluminum surface conversion coatings
- - 3066055
Photographic plate
- - 3181461
Treatment of metal surfaces for the manufacture of lithographic plates
- - 3030210
Planographic printing plate and method for preparing same
- - 3160506
Treatment of coatings
- - 2008733
Process and composition for producing aluminum surface conversion coatings
- - 3066055
Photographic plate
- - 3181461
Treatment of metal surfaces for the manufacture of lithographic plates
- - 3030210
Planographic printing plate and method for preparing same
- - 3160506
Inventors:
Chu, Simon
Publication Date:
04/22/1969
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Export Citation:
Assignee:
POLYCHROME CORP
Primary Class:
Other Classes:
430/168, 430/276.100, 430/302, 430/155, 430/278.100, 205/201
International Classes:
B41N3/03; G03C1/94; B41N1/04
US Patent References:
| 3169065 | Method of making resist and deep etch lithographic printing plates with ferric ammonium compound sensitized plates |