Stock material or miscellaneous articles – Composite – Of metal
Patent
1978-07-10
1979-06-05
Pianalto, Bernard D.
Stock material or miscellaneous articles
Composite
Of metal
C21D 100
Patent
active
041574222
ABSTRACT:
This invention relates to useful protective compositions, a method for protecting aluminum and aluminum alloy products against water staining, and a protected aluminum sheet. The method involves applying a continuous film of a protective composition to the surface of the aluminum product. The protective compositions useful for the invention are blends or reaction products of a polybasic acid and a partial ester of a polyol.
REFERENCES:
patent: 2767144 (1956-10-01), Gottshall et al.
Christ Nicholas
Ford, Jr. William R.
Koch George P.
Sturwold Robert J.
Utz Walter E.
Baracka G. A.
Emery Industries Inc.
Pianalto Bernard D.
Reynolds Metals Co.
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