Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1986-07-23
1988-03-08
Lone, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
252 8555, 252356, 252357, 560 88, C07C 6934, C07C 6980
Patent
active
047300795
ABSTRACT:
Quaternary oxalkylated polycondensates are described; these are prepared by esterifying, with polycondensation, an oxalkylated primary fatty amine with a diol and with a dicarboxylic acid, and oxalkylating the resulting reaction product in the presence of a carboxylic acid. These polycondensates are used as demulsifiers for breaking crude oil emulsion and as corrosion inhibitors in plants for the recovery and treatment of natural gas and crude oil.
REFERENCES:
patent: 3816378 (1974-06-01), Schmadel
patent: 4026941 (1977-05-01), Login et al.
patent: 4606916 (1986-08-01), Hofinger et al.
Bohm Roland
Bose Willibald
Hille Martin
Hofinger Manfred
Clarke Vera C.
Hoechst Aktiengesellschaft
Lone Werren B.
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