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:
Oct. 28, 1997
Filed:
Dec. 06, 1996
Yukihiro Ohashi, Utsunomiya, JP;
Taketoshi Fujimori, Ichikaimachi, JP;
Minoru Nagai, Ichikaimachi, JP;
Akira Kawamata, Utsunomiya, JP;
Yukihiro Yada, Kugetanishi, JP;
Kazuhiko Higuchi, Ichikaimachi, JP;
Genji Imokawa, Utsunomiya, JP;
Yoshinori Takema, Ichikaimachi, JP;
Yukiko Sakaino, Utsunomiya, JP;
Ayumi Ogawa, Motegimachi, JP;
Tsutomu Fujimura, Ichikaimachi, JP;
Kao Corporation, Tokyo, JP;
Abstract
A composition for external skin care comprising an amine derivative represented by the following formula (1), ##STR1## wherein R.sup.1 is a linear, branched, or cyclic saturated or unsaturated hydrocarbon group having 4-40 carbon atoms, and R.sup.2, R.sup.3, R.sup.4, R.sup.5, and R.sup.6 are individually a hydrogen atom or a hydrocarbon group having 1-10 carbon atoms, which may be substituted or unsubstituted by 1 or more hydroxy groups; or an acid addition salt thereof, in an amount from 0.0001 to less than 0.1% by weight; and a method of curing wrinkles and keratinization of the skin characterized by applying said amine derivative or its salt to the skin.