A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 31/557 (2006.01)
Patent
CA 2133435
ABSTRACT An external skin treatment agent composition containing an active ingredient comprising 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 a cation, R2 is a substitutable C1 to C10 straight chain or branched alkyl group or substitutable C1 to C10 straight chain or branched alkenyl group or alkinyl group, R3 is a straight chain alkyl group of C1 to C5, and R4 and R5 are independently a hydroxyl group or formula: Image (where, R6 is a C1 to C5 straight chain or branched alkyl group)) and a carrier.
Hanajima Nobuaki
Hata Takehisa
Hazato Atsuo
Kimura Sumihisa
Koyama Tamotsu
Mcfadden Fincham
Teijin Limited
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