Compositions – Leather or fur treating
Patent
1981-01-02
1984-02-28
Guynn, Herbert B.
Compositions
Leather or fur treating
166274, 166275, E21B 4322
Patent
active
044340621
ABSTRACT:
Liquid crystals are used in place of microemulsions in a process for chemically enhanced oil recovery. The liquid crystals compositions contain ethoxylated surfactants having appropriately balanced hydrophilic-lipophilic properties. These compositions result in a faster and greater recovery of crude oil as compared to microemulsions.
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patent: 4090969 (1978-05-01), Koch et al.
M. H. Akstinat, Dissertation TU Clausthal, Oct. 26, 1978, pp. 113-117, 133-137 and 168-169.
W. J. Benton, R. Hwan, C. A. Miller and T. Fort, Jr., 3rd ERDA Symposium on Enhanced Oil Recovery, Tulsa, Aug., 1977, pp. A-9/1 to A-9/7.
Griffin, Article in Journal of the Society of Cosmetic Chemists, vol. 1, 1949, pp. 311-315; 325 and 326.
Hwan et al., Proceedings of ERDA Symposium on Enhanced Oil Recovery, Tulsa, OK, Sep. 1976, preprint B-4.
Huang Helen
Huang John
Oswald Alexis A.
Valint, Jr. Paul
Exxon Research and Engineering Co.
Guynn Herbert B.
Naylor Henry E.
Takemoto James H.
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