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US 4,537,700 AGranted
Organic gels
AssigneeThe Dow Chemical Company
InventorRobert J. Purinton, Jr.
Life of this patent
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Abstract
Organic gels are described which comprise (a) a nonpolar, liquid, organic solvent and (b) a gelling amount of a mixture of (1) an alkyl oleyl phosphate and (2) an alkali metal aluminate. The gels have many uses, one of which is as a gelled pig for pipeline cleaning.
Claims12
An organic gel comprising:
- (a) a nonpolar, liquid, organic solvent, and (b) a gelling amount of a gelling agent mixture of (1) a phosphate ester component which is composed predominantly of an ethyl oleyl phosphate and (2) an alkali metal aluminate.
An organic gel comprising:
- (a) a non-polar, liquid, organic solvent, and (b) a gelling amount of a gelling agent mixture of (1) an alkali metal aluminate and (2) an ethyl oleyl phosphate prepared by first reacting a substantially equal molar mixture of a triethyl phosphate and phosphorous pentoxide and thereafter reacting the resulting reaction product with oleyl alcohol.
Dependencies are inferred from the claim text.