Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1975-02-10
1977-06-14
Wyman, Daniel E.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
252358, 2604299, 260439R, 260448A, 260583P, C07C 9302, B01D 1704, C07C 8720
Patent
active
040297080
ABSTRACT:
Linear surfactant polymers, useful in waterflooding processes and as emulsion breakers, can be prepared by reacting various amines, such as hexamethylene diamine, with monofunctional pendant groups, such as propylene oxide, and then further reacting the substituted amines with a difunctional reactant, such as epichlorohydrin, to produce the polymer. The polymers may be combined with certain water-soluble metal salts to improve their efficiency as emulsion breakers and as coagulants.
REFERENCES:
patent: 2552530 (1951-05-01), Groote
patent: 2697118 (1954-12-01), Lundsted et al.
patent: 3855158 (1974-12-01), Petrovich et al.
Gabel Robert K.
Seitz Paul L.
Doll John J.
Miller Robert A.
Nalco Chemical Company
Premo John G.
Sufrin Barry W.
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