Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1988-03-04
1989-06-13
Clingman, A. Lionel
Compositions
Water-softening or purifying or scale-inhibiting agents
252 99, 252102, 2521861, 252549, 512 81, 512 19, 512 20, 512 23, 512 25, C11D 350
Patent
active
048390836
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: 4774225 (1987-09-01), Giraudi
patent: 4775720 (1988-10-01), Mookherjee et al.
Calderone Nicholas
Mookherjee Braja D.
Sands Keith P.
Schreck Lisa
Trenkle Robert W.
Clingman A. Lionel
International Flavors & Fragrances Inc.
Le Hoa Van
Liberman Arthur L.
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