Compositions – Reductive bleachant – deoxidant – reductant – or generative – Deoxidant or oxygen scavenging
Patent
1996-07-22
1998-01-20
Rotman, Alan L.
Compositions
Reductive bleachant, deoxidant, reductant, or generative
Deoxidant or oxygen scavenging
514646, 564443, A61K 750, C07C21100
Patent
active
057098166
ABSTRACT:
Singlet oxygen quenchers containing as an active component a compound represented by the following formula or (2): ##STR1## wherein each of R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.10 and n are as described herein, and external compositions containing these compounds are provided for the prevention and treatment of various forms of damage to living bodies caused by singlet oxygen, and are thus quite useful as antiinflammation agents, anti-aging agents, agents preventing darkening of the skin, agents preventing protein denaturation, inhibitors against formation of sunburn cells, agents preventing lipid peroxidation, agents preventing DNA damage, and particularly in the fields of medicines and cosmetics as external compositions for the skin.
REFERENCES:
Vartanyan et al. CA No. 215414, vol. 92, 1980.
Earle et al. CA No. 231102, vol. 113, 1990.
Whetsel et al., Anal.Chem., 32, 730, 1960.
Smirnowa Zh. Vses.Khim.O'va im.D.I.Mendeleeva, 8, 235-236, 1963.
Malinowskii Zh.Obshch.Khim., 27, 1591, 1957.
Kuroki et al. Kogyo Kagaku, Zasshi, 59, 626-628, 1956.
Nakamura Koichi
Nishizawa Eiichi
Ohsu Hiroyuki
Sugiyama Mitsuru
Takema Yoshinori
Kao Corporation
Rotman Alan L.
Smith Lyman H.
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