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:
May. 18, 2021
Filed:
Nov. 13, 2018
Shin-etsu Chemical Co., Ltd., Tokyo, JP;
Koji Sakuta, Annaka, JP;
Takuya Abe, Annaka, JP;
SHIN-ETSU CHEMICAL CO., LTD., Tokyo, JP;
Abstract
The present invention provides a bicontinuous microemulsion composition, including: (A) polyglycerin group-containing organo(poly)siloxane shown by the general formula (1): wherein Rrepresents an alkyl group or a phenyl group, Rrepresents a group having a polyglycerin structure shown by the formula (2) or the formula (3), Rrepresents Ror R, 'a' is 0 to 6, 'b' is 0 to 4, a+b is 0 to 10, and at least one of Ris Rwhen “b” is 0: wherein Rrepresents an alkylene group or an aralkylene group, “c” is 0 to 10, and “d” is 2 to 6; (B) silicone oil having a viscosity of 20 mm/s or less at 25° C., volatile hydrocarbon oil, or ester oil; and (C) water. This provide a transparent bicontinuous microemulsion composition in which anionic or cationic surfactant, and water-soluble monovalent or polyvalent alcohol are unnecessary; and a cosmetic with excellent pleasantness of use.