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Oxalic acid treatment of foil
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Document Number
US Patent 3893872
Issued Date
July 8, 1975
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Inventors
Eiland; Ehrlich M.
(Lower Burrell, PA)
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Abstract
Treatment of as-rolled foil, first with oxalic acid and thereafter with heating.
Patent Report
Tags:
oxalic
acid
treatment
foil
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Description:
Amusing 0%
Clever 0%
Complex 0%
Efficient 0%
Historic 0%
Important 0%
Innovative 0%
Interesting 0%
Practical 0%
Simple 0%
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Number of Claims:
4
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Owner
Aluminum Company of America
(Pittsburgh, PA)
Published
July 8, 1975
Application Number
05/317,106
Filed
December 21, 1972
US Classification
148/252
Int'l Classification
C23C 22/02 (20060101)
Examiner
Herbert, Jr.; Thomas J.
Assistant Examiner
Hess; Bruce H.
Attorney/Law Firm
Hatcher; Abram W.
Taylor; John P.
USPTO Field of Search
148/6.14A 148/6.27 117/48 117/148 117/47H
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