Sulfur based metal cleaners

Cleaning and liquid contact with solids – Processes – For metallic – siliceous – or calcareous basework – including...

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Details

134 2, 252142, 252146, 252151, 252156, 252395, 252396, C11D 706

Patent

active

044591586

ABSTRACT:
A novel composition and process are provided for cleaning metallic steel surfaces. The aqueous cleaning composition comprises effective amounts of a metal hydroxide, a water soluble surfactant and at least one sulfur containing compound selected from the group consisting of a thioalkanoic compound or a dithiobis (alkanoic) compound. A thioalkanoic compound represented by:

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patent: 3094490 (1963-06-01), Gardner et al.
patent: 3494947 (1970-02-01), Schutze et al.
patent: 3518098 (1970-06-01), Ford et al.
patent: 3741909 (1973-06-01), Yamane et al.

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