Gel composition

Details Gel composition Gel composition

2011-07-05

2011-07-05

Seidleck, James (Department: 1765)

Drug, bio-affecting and body treating compositions

Designated organic nonactive ingredient containing other...

C514S769000

Reexamination Certificate

active

07973085

ABSTRACT:
A gel composition having the formula R1O-[(AO)k(EO)m(AO)n]-R2comprises (a) 0.1 to 60 mass % of a block-type alkylene oxide derivative, (b) an oil, and (c) 0.1 to 10 mass % of water. AO represents a C3-C4oxyalkylene group; EO represents an oxyethylene group; k and n represent average addition mole numbers of the oxyalkylene group and m represents average addition mole number of the oxyethylene group, 1≦m≦70 and 1≦k+n≦70. The oxyethylene group is 20 to 80 mass % with respect to the sum of the oxyalkylene group (AO) and the oxyethylene group. R1and R2may be identical to or different from one another and are each a C1-C4hydrocarbon group or a hydrogen atom. The composition has a continuous phase comprising the oil; and the viscosity of the composition at 25° C. is 500 mPa·s or more.

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