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:
Apr. 17, 2012
Filed:
Oct. 04, 2007
Yoshimasa Miura, Yokohama, JP;
Masayuki Shirao, Yokohama, JP;
Takashi Ohmori, Yokohama, JP;
Takuya Saiwaki, Yokohama, JP;
Yoshimasa Miura, Yokohama, JP;
Masayuki Shirao, Yokohama, JP;
Takashi Ohmori, Yokohama, JP;
Takuya Saiwaki, Yokohama, JP;
Shiseido Company, Ltd., Tokyo, JP;
Abstract
A first step of measuring a change over time in the spectral transmission spectrum of a measurement sample by its exposure to the light of a light source including an ultraviolet radiation for a preset light exposure time, a second step of performing a correction according to the change over time in the spectral transmission spectrum of the measurement sample based on the result of the measurement obtained by the first step, and a third step of calculating the final in vitro predicted SPF of the measurement sample using the result of the correction obtained by the second step are included.