Compositions – Preservative agents – Anti-corrosion
Patent
1987-11-12
1989-12-05
Barr, Josephine
Compositions
Preservative agents
Anti-corrosion
252344, 252358, B01D 1700, B01D 1904
Patent
active
048851108
ABSTRACT:
Branched polyoxyalkylene copolyesters are described which are prepared by esterifying an oxyalkylated primary fatty amine and an at least trihydric oxyalkylated alkanol or an oxyalkylated polyamine using a dicarboxylic acid or a dicarboxylic anhydride with polycondensation. The novel branched polyoxyalkylene copolyesters are used as demulsifiers for breaking crude oil emulsions.
REFERENCES:
patent: 3009884 (1961-11-01), Monson et al.
Bohm Roland
Bose Willibald
Hille Martin
Hofinger Manfred
Staiss Friedrich
Barr Josephine
Hoechst Aktiengesellschaft
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