The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 20, 1998
Filed:
Jul. 22, 1996
Masakazu Yamaguchi, Ichikai-machi, JP;
Hiroyuki Ohsu, Ichikai-machi, JP;
Eiichi Nishizawa, Ichikai-machi, JP;
Mitsuru Sugiyama, Ichikai-machi, JP;
Koichi Nakamura, Tokyo, JP;
Yoshinori Takema, Ichikai-machi, JP;
Kao Corporation, Tokyo, JP;
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.