Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1998-01-26
2000-11-07
Gupta, Yogendra
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510167, 510178, 510219, 510243, 510245, 510264, 510499, 510502, 510505, C11D 330
Patent
active
061437069
ABSTRACT:
A surface treatment composition containing a complexing agent as a metal deposition preventive in a liquid medium, in which the complexing agent is an ethylenediaminephenol derivative of the following general formula (1) or its salt: ##STR1## wherein X.sub.1 and X.sub.2 are hydroxyl groups; Y.sub.1 to Y.sub.8 are respectively independently a hydrogen atom, a hydroxyl group, a halogen atom, a carboxyl group, a phosphonic acid group, a sulfonic acid group, a carbonyl group, a nitro group, a nitroso group, an amino group, an imino group, a nitrilo group, a nitrile group, a thiocyanate group, a hydroxyamino group, a hydroxyimino group, or an alkyl or alkoxy group which may have a substituent, provided that at least one of Y.sub.1 to Y.sub.8 is not a hydrogen atom; Z.sub.1 to Z.sub.4 are respectively independently a hydrogen atom, a carboxyl group or a sulfonic acid group; and R.sub.1 to R.sub.4 are respectively independently a hydrogen atom or an alkyl group which may have a substituent.
REFERENCES:
patent: 4666528 (1987-05-01), Arrington et al.
patent: 4721532 (1988-01-01), Kuhn et al.
patent: 5183573 (1993-02-01), Kreh et al.
patent: 5466389 (1995-11-01), Ilardi et al.
Gupta Yogendra
Mitsubishi Chemical Corporation
Mruk Brian P.
LandOfFree
Surface treatment composition and method for treating surface of does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Surface treatment composition and method for treating surface of, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Surface treatment composition and method for treating surface of will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1641055