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:
Nov. 26, 2013
Filed:
Sep. 04, 2006
Applicants:
Kazunori Kataoka, Tokyo, JP;
Yuichi Yamasaki, Tokyo, JP;
Seiji Takae, Tokyo, JP;
Inventors:
Assignee:
The University of Tokyo, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N 15/85 (2006.01);
U.S. Cl.
CPC ...
Abstract
It is an object of the present invention to provide a polyion complex used as a non-viral gene vector, which achieves sufficiently high gene expression efficiency to a target cell. The polyion complex of the present invention comprises a block copolymer formed by binding polyethylene glycol to polycation via a disulfide group and a nucleic acid.