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. 12, 2026
Filed:
Sep. 26, 2022
Nof Corporation, Tokyo, JP;
National University Corporation Chiba University, Chiba, JP;
Kota Tange, Kawasaki, JP;
Hiroki Yoshioka, Kawasaki, JP;
Yuta Nakai, Kawasaki, JP;
Hidetaka Akita, Chiba, JP;
Yu Sakurai, Chiba, JP;
Hiroki Tanaka, Chiba, JP;
Shoya Fujita, Chiba, JP;
NOF CORPORATION, Tokyo, JP;
NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY, Chiba, JP;
Abstract
The present invention provides a lipid nanoparticle used for delivering a nucleic acid to a brain tissue, including an ionic lipid represented by the formula (1), phospholipid, cholesterol, and a dimyristoylglycerol PEG with a number average molecular weight of PEG chain of 4,000 to 6,000, wherein an amount of the dimyristoylglycerol PEG is 1 to 6 mol % with respect to the total of the ionic lipid represented by the formula (1), the phospholipid, and the cholesterol (the symbols in the formula (1) are as defined in the specification)