Thermally reversible water in oil in water emulsions

Details Thermally reversible water in oil in water emulsions Thermally reversible water in oil in water emulsions

2006-02-07

2006-02-07

Egwim, Kelechi C. (Department: 1713)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C428S913000, C514S938000, C514S939000, C514S941000, C525S090000

Reexamination Certificate

active

06995209

ABSTRACT:
A thermally reversible water in oil in water (W/O/W) emulsion including a thermally reversible viscosifying polymer in the continuous aqueous phase of the emulsion. The thermally reversible viscosifying polymer of the W/O/W emulsion includes a block copolymer having at least a first polyoxyalkylene block having a hydrophobic region and a hydrophilic region effective to form micelles in solution in response to a change in temperature, and at least a second block comprising a poly(vinylcarboxylic acid).

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