A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 31/557 (2006.01)
Patent
CA 2133334
ABSTRACT An external skin treatment agent composition containing an active ingredient comprising of a prostacyclin, and/or its optical isomer, having the formula (I): Image (I) (wherein, R1 is a hydrogen atom, a straight chain or branched alkyl group of C1 to C10, or one equivalent of cations, R2 is Image or a substitutable C3 to C10 cycloalkyl group, where R21 is a substitutable C1 to C10 straight chain or branched alkyl group or substitutable C2 to C10 straight chain or branched alkenyl group or alkynyl group, and R3 and R4 are independently a hydroxyl group or formula Image (wherein, R5 is a C1 to C5 straight chain or branched alkyl group)) and a carrier.
Hanajima Nobuaki
Hazato Atsuo
Koyama Tamotsu
Makino Yuji
Takeda Toshiaki
Mcfadden Fincham
Teijin Limited
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