Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1989-01-10
1990-04-10
Clingman, A. Lionel
Compositions
Water-softening or purifying or scale-inhibiting agents
252 95, 252 96, 252 98, 252 99, 252102, 2521861, 252549, C11D 350
Patent
active
049158660
ABSTRACT:
Described are schiff base reaction products of alkyl anthranilates having the structure: ##STR1## wherein R.sub.3 represents methyl or ethyl; helional having the structure: ##STR2## and aldehydes having the generic structure: ##STR3## wherein R represents a hydrocarbyl or hydroxy hydrocarbyl moiety including the aldehydes:
REFERENCES:
patent: 4322308 (1982-03-01), Hooper et al.
patent: 4775720 (1988-10-01), Mookherjee et al.
patent: 4839083 (1989-06-01), Mookherjee et al.
Calderone Nicholas
Mookherjee Braja D.
Sands Keith P.
Schreck Lisa
Trenkle Robert W.
Clingman A. Lionel
International Flavors & Fragrances Inc.
Liberman Arthur L.
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