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EP0097318A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Aluminum sheet for offset lithographic printing

Assignee: Furukawa Aluminum Co Ltd
•
Filing: 1983-06-14
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Granted: —
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Expires: 2003-06-14
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Abstract

Abstract An aluminum sheet for offset lithographic printing essentially consists of 0.02 - 0.15 wt.% of Si, 0.1 - 1.0wt.% of Fe, not more than 0.003 wt.% of Cu as impurity, and the balance of Al and inevitable impurities.

Inventors

  • 👤 Motohiro Nabae
  • 👤 Mitsuya Miyamoto
  • 👤 Chozo Fujikura

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-05 22:47
CPC Classifications
B; B41; B41N; B41N1/00; B41N1/04; B41N1/08; B41N1/083

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 43 words
An aluminum sheet for offset lithographic printing, said plate consisting of a composition of 0.02 - 0.15 wt.% of Si, 0.1 - 1.0 wt.% of Fe, not more than 0.003 wt.% of Cu as impurity, and the balance of Al and inevitable impurities.
Claim 2
Dependent Claim 43 words
An aluminum sheet for offset lithographic printing, said plate consisting of a composition of 0.02 - 0.15 wt.% of Si, 0.1 - 1.0 wt.% of Fe, not more than 0.003 wt.% of Cu as impurity, and the balance of Al and inevitable impurities.
Claim 3
Dependent Claim 24 words
2 . The aluminum sheet, as recited in claim 1, wherein the content of Si is 0.03 to 0.14 wt.% of the total composition.
Claim 4
Dependent Claim 22 words
The aluminum sheet, as recited in claim 1, wherein the content of Fe is 0.2 to 0.8 wt.% of the total composition.
Claim 5
Dependent Claim 27 words
The aluminum sheet, as recited in claim 1, wherein the content of Cu contaminated as impurity of Al is 0.001 to 0.003 wt.% of the total composition.

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