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. 07, 2011
Filed:
May. 28, 2008
Applicants:
Taro Ehara, Odawara, JP;
Kyu Yamaguchi, Tokyo, JP;
Inventors:
Taro Ehara, Odawara, JP;
Kyu Yamaguchi, Tokyo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H 13/02 (2006.01); C07H 13/06 (2006.01); C07H 13/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a pigment dispersant having excellent pigment dispersibility thus allowing a larger amount of pigments to be blended in various cosmetics, and capability of imparting good sense of use, make-up lasting, odor, and stability over time to the cosmetic. A trehalose fatty acid ester composition prepared by esterifying trehalose with a fatty acid having 8 to 22 carbon atoms, which has a hydroxyl value of 20 to 500, and the total amount of a diester, a triester, a tetraester and a pentaester in the trehalose fatty acid esters of 10 to 100% by area; and a cosmetic including the trehalose fatty acid ester composition.