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:
Jun. 06, 1989
Filed:
Apr. 01, 1987
Applicant:
Inventors:
Hajime Hotta, Yatabe, JP;
Michiyo Akasaka, Matsudo, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424 59 ; 424D / ; 424 60 ; 424 63 ; 424 64 ; 424 69 ; 514844 ; 514845 ; 514937 ;
Abstract
A novel long wave UV ray absorber comprising a dibenzoylmethane derivative effectively shuts out UV-A which causes a harmful action on skin. The absorber is insoluble in water, organic solvents, oily substances, sebum and the like, so that percutaneous absorption does hardly take place and the absorber is scarcely removed by water or sweat, thus keeping a high efficacy.