Alkoxylated alkylphenol-formaldehyde-diamine polymer

Details Alkoxylated alkylphenol-formaldehyde-diamine polymer Alkoxylated alkylphenol-formaldehyde-diamine polymer

2006-01-10

2006-01-10

Truong, Duc (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C528S142000, C528S145000

Reexamination Certificate

active

06984710

ABSTRACT:
An alkoxylated alkylphenol-formaldehyde-diamine polymer prepared by alkoxylating an alkylphenol-formaldehyde-diamine polymer and use of the alkoxylated alkylphenol-formaldehyde-diamine polymer to resolve water-in-oil emulsions, especially emulsions of water in crude oil.

REFERENCES:
N. Zaki, A. M. Al-Sabagh, “De-emulsifiers for water-in-crude oil-emulsions”, Carl Hanser Verlag, München, Tenside Surf. Det., pp. 12-17, 1997.

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