Schiff base reaction products of aldehydes and alkyl anthranilat

Details Schiff base reaction products of aldehydes and alkyl anthranilat Schiff base reaction products of aldehydes and alkyl anthranilat

1987-10-29

1988-10-04

Lieberman, Paul

Compositions

Water-softening or purifying or scale-inhibiting agents

252 86, 252 95, 549330, 560 19, 560 35, 560 48, C11D 350

Patent

active

047757205

ABSTRACT:
Described are schiff base reaction products of alkyl anthranilates having the structure: ##STR1## wherein R.sub.3 represents methyl or ethyl and aldehydes of the generic structure: ##STR2## wherein R represents unsaturated hydrocarbyl and alkoxy hydrocarbyl moieties or mixtures of aldehydes having the structures: ##STR3## wherein R.sub.1 and R.sub.2 are different alkoxy hydrocarbyl moieties and hydrocarbyl moieties including the aldehydes:

REFERENCES:
patent: 4135050 (1979-01-01), Hess et al.
patent: 4252981 (1981-02-01), Marquis et al.
patent: 4429859 (1984-02-01), Steiner et al.
patent: 4479900 (1984-10-01), Luo
patent: 4606838 (1986-08-01), Burns
patent: 4620867 (1986-11-01), Luo

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