Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1999-06-21
2000-12-26
Gupta, Yogendra
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510209, 510210, 510211, 510206, 510207, 510421, 510434, 510201, 510375, 134 38, C09D 904, C11D 904
Patent
active
061659576
ABSTRACT:
A method of preparing an environmentally safe composition free of chlorinated solvents which is non-flammable, fully biodegradable, and low odor and the use of such composition for the removal of various coatings from metal substrates. The composition comprises a water-based mixture of one or more high boiling, high flash aromatic solvents (benzyl alcohol, benzyl ether, 1-phenoxy-2-propanol), a peroxide generating agent (hydrogen peroxide), and a hydroxycarboxylic acid (glycolic acid). It can be prepared as a liquid and used as such for immersion/dipping operations or as a thick paste "cling-type" material when optimal application requires a thin film. These can be applied by spraying or brushing.
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Gupta Yogendra
Napier International Technologies Inc.
Webb Gregory E.
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