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:
Feb. 10, 1998
Filed:
Feb. 20, 1996
Applicant:
Inventors:
Sadaki Takada, Yokohama, JP;
Toshihiko Nakane, Yokohama, JP;
Tsuyoshi Tsuchiya, Tokyo, JP;
Yutaka Nishida, Inagi, JP;
Assignees:
Shiseido Co., Ltd., Tokyo, JP;
The Nisshin Oil Mills, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V / ;
U.S. Cl.
CPC ...
252589 ; 424 59 ; 424 60 ;
Abstract
An ultraviolet light absorbent comprising an ester mixture derived from esterification of pentaerythritol or trimethylolpropane and a saturated branched-chain fatty acid with a carbon number of 8-18 and ortho- or paramethoxycinnamic acid in a specific ratio. The ultraviolet light absorbent with prescribed ultraviolet light absorbing power has a moderate viscosity and can be handled and worked without inconvenience and/or difficulty.