Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Nitrogen containing other than solely as a nitrogen in an...
Reexamination Certificate
2006-08-08
2006-08-08
Padmanabhan, Sreeni (Department: 1617)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Nitrogen containing other than solely as a nitrogen in an...
C424S401000, C424S070100, C564S123000, C564S152000
Reexamination Certificate
active
07087646
ABSTRACT:
The present invention relates to a composition for external application, a humectant and a skin barrier function reinforcing agent, each containing a diamide derivative represented by the following formula (1):(wherein, R1aand R1bare the same or different and each represents a C1-23hydrocarbon group, R2aand R2bare the same or different and each represents a divalent C1-6hydrocarbon group, R3s are the same or different and each represents a divalent C2-6hydrocarbon group and n stands for 1 to 100).The composition for external application, humectant and skin barrier function reinforcing agent basically improve the water retaining ability and barrier functions of the horny layer, are excellent in miscibility and mixing stability and can be prepared efficiently at a low cost.
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Patent Abstracts of Japan, JP 55-033448, Mar. 8, 1980.
Hoshino Masahide
Katayama Yasushi
Nishizawa Yoshinori
Saito Hiroaki
Sugai Yoshiya
Kao Corporation
Padmanabhan Sreeni
Yu Gina C.
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