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US 5,631,313 AGranted
Suspending medium for particulate material
AssigneePhillips Petroleum Company
InventorsMarshall D. Bishop, John E. Hostettler
Life of this patent
Estimating the term…
Abstract
A new stable liquid suspension of a non soluble particulate material, and a method of preparation of same are provided. Such compositions comprise at least one oil, one oil soluble resin and a non oil soluble particulate material mixed together In the appropriate quantities and conditions.
Claims20
A composition comprising an isoparaffin oil, an oil-soluble resin, and a particulate material wherein:
- said isoparrafin oil is present in said composition in the range of from 40 to 95 weight percent and is selected from the group consisting of C.sub.13 isoparaffin oils, C.sub.14 isoparaffin oils, and combinations of two or more thereof;
- said oil-soluble resin is selected from the group consisting of styrene-isoprene copolymers, hydrogenated styrene-isoprene block copolymers, styrene ethylene/propylene block copolymers, styrene isobutylene copolymers, styrene-butadiene copolymers, polybutylene, polystyrene, polyethylene-propylene copolymers, and combinations of two or more thereof;
- and
- said particulate material is selected from the group consisting of lime, sodium bicarbonate, sodium carbonate, molybdenum disulfide, sodium hydroxide, graphite, zinc, tin, quebracho, lignin, lignite, caustisized lignite, lignosulfonate, chrome lignosulfonate, naphthalenesulfonate, unintahite (gilsonite), polyvinyl alcohol, and combinations of two or more thereof.
1 more element
A stable liquid suspension composition comprising:
- (a) from 40 to 95 weight percent of an isoparaffin oil selected from the group consisting of C.sub.13 isoparaffin oils, C.sub.14 isoparaffin oils, and combinations of two or more thereof;
- (b) from 0.2 to 10 weight percent of an oil soluble resin;
- and
- (c) from 3 to 60 weight percent of a particulate material
- wherein:
- said oil-soluble resin is selected from the group consisting of styrene-isoprene copolymers, hydrogenated styrene-isoprene block copolymers, styrene ethylene/propylene block copolymers, styrene isobutylene copolymers, styrene-butadiene copolymers, polybutylene, polystyrene, polyethylene-propylene copolymers, and combinations of two or more thereof;
- and
- said particulate material is selected from the group consisting of lime, sodium bicarbonate, sodium carbonate, molybdenum disulfide, sodium hydroxide, graphite, zinc, tin, quebracho, lignin, lignite, caustisized lignite, lignosulfonate, chrome lignosulfonate, naphthalenesulfonate, unintahite (gilsonite), polyvinyl alcohol, and combinations of two or more thereof.
5 more elements
A stable liquid suspension consisting essentially of:
- (a) from 40 to 95 weight percent of a C.sub.13 -C.sub.14 isoparaffin oil,
- (b) from 0.2 to 10 Weight percent of a hydrogenated styrene-isoprene copolymer and;
- (c) from 3 to 60 weight percent of a particulate material selected from the group consisting of sulfonated asphalts, sulfomethylated tannin, tin, quebracho, lime, and combinations of two or more thereof.
A stable liquid suspension consisting essentially of
- (a) from 55 to 60 weight percent of a C.sub.13 -C.sub.14 isoparaffin oil,
- (b) from 1.8 to 55 weight percent of a hydrogenated styrene-isoprene copolymer and;
- (c) from 37 to 45 weight percent of a particulate material selected from the group consisting of sulfonated asphalts, sulfomethylated tannin, tin, quebracho, lime, and combinations of two or more thereof.
Dependencies are inferred from the claim text.