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:
Jul. 26, 2022
Filed:
Jun. 29, 2016
Nof Corporation, Tokyo, JP;
National University Corporation Hokkaido University, Sapporo, JP;
Kota Tange, Kawasaki, JP;
Yuta Nakai, Kawasaki, JP;
Hidetaka Akita, Sapporo, JP;
Hiroki Tanaka, Sapporo, JP;
Ayaka Watanabe, Sapporo, JP;
Naoya Miura, Sapporo, JP;
Hideyoshi Harashima, Sapporo, JP;
NOF CORPORATION, Tokyo, JP;
NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, Sapporo, JP;
Abstract
The present invention provides an O/W type emulsion having a volume median diameter of not more than 100 nm and containing a compound represented by the formula (1) wherein Xand Xare each independently X, Xor a 1,4-piperazinediyl group; s is 1 or 2,Ris an alkyl group having 1-6 carbon atoms,nand nare each independently 0 or 1,R, R, Rand Rare each independently an alkylene group having 1-6 carbon atoms,Yand Yare each independently an ester bond, or the like, andRand Rare each independently a liposoluble vitamin residue or the like.