Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1989-03-09
1990-10-02
Willis, Prince E.
Compositions
Water-softening or purifying or scale-inhibiting agents
252 891, 25217421, 562471, C07C 5971, C11D 106
Patent
active
049605364
ABSTRACT:
The invention relates to novel carboxyalkylated derivatives of alkyl and alkenyl catechol ethoxylates and to their use as surface active agents. The novel carboxyalkylated derivatives are especially useful as self-sequestering surfactants in detergent compositions.
REFERENCES:
patent: 4194565 (1980-03-01), Kalfoglou
patent: 4242215 (1980-12-01), Smid et al.
patent: 4855075 (1989-08-01), Casciani
Borovian Joseph J.
Honor Robert S.
Sandoz Ltd.
Sharkin Gerald D.
Willis Prince E.
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