Process for metal cleaning

Details Process for metal cleaning Process for metal cleaning

1994-03-11

1995-08-22

Geist, Gary

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 41, C23G 102

Patent

active

054436516

ABSTRACT:
Aqueous compositions comprising certain amino acids such as polyaspartic acid or aspartic acid/glutamic acid copolymers when at least partially protonated at pH of 7 or below effectively clean ferrous metal surfaces by contacting said surfaces with said compositions.

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