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U.S. Department of Energy
Office of Scientific and Technical Information

Compositions and processes for breaking petroleum emulsions

Patent ·
OSTI ID:6177990
This application relates to improvements in demulsifying compositions and demulsifying processes in which the demulsifying compositions are derivatives of the demulsifier compositions described. The composition comprises a substantially water insoluble, at least partially oil soluble, product formed by the reaction of the following: (1) a polyoxyalkylene alcohol; (2) a diglycidyl ether of a bis-phenol compound; and (3) polyoxyalkylene groups being selected from the group consisting of oxyethylene, oxpropylene, and both oxyethylene group to the alkyl phenolformaldehyde polycondensate is in the range of about 1:5 to 15:1, respectively. (9 claims)
Assignee:
Nalco Chemical Co.
Patent Number(s):
US 3383325
OSTI ID:
6177990
Country of Publication:
United States
Language:
English