EP0048909A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Process for the anodic oxidation of aluminium, and its use as a carrier material for printing plates
Assignee: CNA Holdings LLC
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Filing: 1981-09-18
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Granted: —
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Expires: 2001-09-18
Abstract
Abstract 1. A process for the production of printing plates using a support material in the form of sheets, foils or strips, comprising aluminum or aluminum alloys, the support material being subjected to an anodic oxidation treatment in a aqueous electrolyte which contains at least one polybasic organic acid, if appropriate after a preceding mechanical, chemical and/or electrochemical roughening treatment, wherein the polybasic organic acid has at least five acid fonctions and comprises a water-soluble polymeric or carboxylic acid or polyvinyl sulfonic acid.
Inventors
- 👤 Thomas N. Gillich
- 👤 John E. Walls
- 👤 Stanley F. Wanat
- 👤 William J. Rozell
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 16:16
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/04; C25D11/12; B; B41; B41N; B41N3/00; B41N3/03; B41N3/034; C25D11/06; H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/08; H01G4/10
Claims Analysis
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References Cited (Backward Citations)
US4022670A
Cited
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