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. 05, 2010
Filed:
Dec. 20, 2005
Akira Hachiya, Cincinnati, OH (US);
Tsutomu Fujimura, Haga-gun, JP;
Akira Hachiya, Cincinnati, OH (US);
Tsutomu Fujimura, Haga-gun, JP;
Kao Corporation, Tokyo, JP;
Abstract
The invention provides a human photoaged skin model and an animal model which are useful for evaluating cosmetics and similar products in terms of their anti-aging or rejuvenating effect, as well as a method for producing such a skin model and such an animal model. The method of producing the human photoaged skin model is characterized in that a transplanted skin area of an immunodeficient non-human animal which has undergone transplantation of human skin is irradiated with UV-B light of 80-100 mJ/cmfor consecutive 4 to 8 weeks, and the irradiated area is left to take its own course for at least 3 weeks. A human photoaged skin model and an animal model produced through this method are also disclosed.