Title: Alkaline cleaner for aluminum
Application Number: 86103274 Application Date: 1986.05.13
Publication Number: 1008347 Publication Date: 1987.02.04
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C23G1/22
Applicant(s) Name: Amchem Products, Inc. (US) 300 Brookside Avenue, A Address:
Inventor(s) Name: David Yeats Dollman;Stanley Lawrence Blaszczyk
Attorney & Agent: LUO YINGMING CHEN JIZHUANG
Abstract:
    A cleaning composition bath, concentrate for its preparation, and method of use of an aqueous alkaline cleaner comprising an ethylenediaminetetraacetic acid or nitrilotriacetic acid alkali metal salt, an inorganic alkali metal phosphate, a surfactant and optionally an aluminum sequestrant, other inorganic salts and an alkali metal hydroxide, if needed, to adjust the pH of the composition to at least 11.0.
Time: 4