Metal treatment – Process of modifying or maintaining internal physical... – Processes of coating utilizing a reactive composition which...
Patent
1992-04-06
1994-11-01
Silverberg, Sam
Metal treatment
Process of modifying or maintaining internal physical...
Processes of coating utilizing a reactive composition which...
148257, C23C 2282
Patent
active
053604920
ABSTRACT:
An aqueous pretreating composition for application to a metal surface, said composition having a pH of from about 3.4 to about 6, comprising at least about 0.01 percent by weight based the total weight of the composition of a substituted triazine compound selected from compounds having the structures: ##STR1## wherein R.sub.1 and R.sub.2 and, where applicable, R.sub.3 are the same or different and are selected from the group consisting of --OH, --SH, --NH.sub.2, .dbd.O, an allyloxy group having 3-8 carbon atoms and a carboxy alkyl group having 2-8 carbon atoms.
REFERENCES:
patent: 2898250 (1959-08-01), Pimbley
patent: 2976193 (1961-03-01), Pimbley
patent: 3043716 (1962-07-01), Baesse
patent: 5149382 (1992-09-01), Gray
PPG Industries Inc.
Silverberg Sam
Uhl William J.
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