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. 30, 2001
Filed:
Jan. 11, 1999
Yohei Hamano, Kanagawa, JP;
Akio Nasu, Kanagawa, JP;
Takashi Minami, Kanagawa, JP;
Takayuki Miyazaki, Kanagawa, JP;
Noriko Tomita, Kanagawa, JP;
Takashi Matsumoto, Kanagawa, JP;
Yoshikazu Soyama, Kanagawa, JP;
Kenzo Ito, Shizuoka, JP;
Hajime Matsuda, Kanagawa, JP;
Hideyuki Sumiyoshi, Shizuoka, JP;
Shiseido Co., Ltd., Tokyo, JP;
Abstract
A cholesterol ester clathrate comprising a cholesterol ester included in a hydroxyalkylated cyclodextrin; a hydrous composition comprising a hydroxyalkylated cyclodextrin, a cholesterol ester and water; a hydrous composition comprising a hydroxyalkylated cyclodextrin, a cholesterol ester, a hydrous stabilizer, and water; a hydrous composition comprising a hydroxyalkylated cyclodextrin, a cholesterol ester, a clay mineral, and water; cosmetics containing these hydrous compositions; and process for the preparation thereof. The clathrate exhibits an emulsifying effect in itself. Further, the hydrous compositions are excellent in water-holding capacity and are improved in hydration properties and separation stability at a high temperature.