Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1980-05-05
1981-12-01
Albrecht, Dennis L.
Compositions
Water-softening or purifying or scale-inhibiting agents
252 99, 252135, 252358, 568624, 568625, C07C 4102, C07C 4310, C11D 1722, C11D 3075
Patent
active
043035442
ABSTRACT:
A compound of the formula ##STR1## wherein R is alkyl of 8-22 carbon atoms in the alkyl chain or hydroxyalkyl of 2-22 carbon atoms; and R' and R" each independently is hydrogen or C.sub.1 -C.sub.20 -alkyl provided that R' and R" are not simultaneously hydrogen, and R' and R" in total have 8-20 carbon atoms;
and
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patent: 3637869 (1972-01-01), Seizinger
patent: 3706714 (1972-12-01), Lloyd et al.
patent: 3748276 (1973-07-01), Schmolka
patent: 3829505 (1974-08-01), Herold
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patent: 4094797 (1978-06-01), Newkirk et al.
Schoenfeldt, Surface Active Ethylene Oxide Adducts, Pergamon Press, Oxford, 1969, pp. 659 et seq.
Kosswig Kurt
Wienhoefer Ekkehard
Albrecht Dennis L.
Chemische Werke Huels A.G.
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