Alkali metal cleaner with zinc phosphate anti-corrosion system

Details Alkali metal cleaner with zinc phosphate anti-corrosion system Alkali metal cleaner with zinc phosphate anti-corrosion system

1995-08-02

1998-01-27

Hertzog, Ardith

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

For cleaning a specific substrate or removing a specific...

510255, 510258, 510261, 510265, 510266, 510271, 510421, 510423, 510433, 510434, 510435, 510437, 510476, 510492, 510500, 510508, 510510, 510512, C11D 716, C11D 306, C11D 310, C11D 712

Patent

active

057122369

ABSTRACT:
A metal cleaning composition useful in an aqueous solution comprises an alkali metal salt and a corrosion inhibitor. The corrosion inhibitor is provided in the form of zinc phosphate compounds such as zinc orthophosphate.

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commonly assigned allowed Ser. No. 08/311,253, issuing as U.S. 5,614,027 on Mar. 25, 1997, Sep. 23, 1994.
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