Alkaline cleaner and process for reducing stain on aluminum surf

Details Alkaline cleaner and process for reducing stain on aluminum surf Alkaline cleaner and process for reducing stain on aluminum surf

1990-08-24

1992-05-05

Lieberman, Paul

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

106 1416, 106 1417, 134 2, 134 38, 252 86, 252173, 25217415, 25217416, 252180, 252390, 252401, 252542, 252DIG8, C11D 706, C11D 1700, C04B 902, C23D 1700

Patent

active

051104946

ABSTRACT:
An aqueous alkaline cleaner and a process are described for reducing the discoloration of aluminum surfaces treated with are aqueous alkaline cleaner compositions. The process comprises including in the aqueous cleaner composition, an effective amount of at least one heterocyclic compound. Enhanced mobility of the aluminum surfaces also can be obtained when the heterocyclic compound is a solid particulate compound which is mixed with an oil prior to addition to the aqueous alkaline cleaner. In a preferred embodiment, the heterocyclic compounds are soluble pyrroles, imidazoles, pyrazoles, thiazoles or triazoles.

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patent: 4457322 (1984-07-01), Rubin et al.
patent: 4599116 (1986-07-01), King et al.
patent: 4696763 (1987-09-01), Bentley et al.
patent: 4859351 (1989-08-01), Awod

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