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.

Date of Patent:
Nov. 27, 2012

Filed:

Apr. 04, 2008
Applicants:

Yu-kyoung OH, Seoul, KR;

Hyun-gu Kang, Pohang, KR;

Ji-seok Kim, Pohang, KR;

Jiang GE, Pohang, KR;

Ki-su Kim, Pohang, KR;

Ki-tae Park, Jeongju, KR;

Su-eun Han, Yongin, KR;

Ga-yong Shim, Yongin, KR;

Ii-hwan Cho, Ansan, KR;

Sei-kwang Hahn, Pohang, KR;

Inventors:

Yu-Kyoung Oh, Seoul, KR;

Hyun-Gu Kang, Pohang, KR;

Ji-Seok Kim, Pohang, KR;

Jiang Ge, Pohang, KR;

Ki-Su Kim, Pohang, KR;

Ki-Tae Park, Jeongju, KR;

Su-Eun Han, Yongin, KR;

Ga-Yong Shim, Yongin, KR;

Ii-Hwan Cho, Ansan, KR;

Sei-Kwang Hahn, Pohang, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B 37/00 (2006.01); C08G 63/48 (2006.01); C08G 63/91 (2006.01); A61K 48/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a delivery system for nucleic acid using a cationic polymer conjugate, and more specifically relates to a delivery system for nucleic acid comprising a cationic polymer conjugate prepared by conjugating hyaluronic acid or its derivative and polyethyleneimine, and a composition of delivering a nucleic acid into mammalian cell comprising a complex of the nucleic acid and a cationic polymer conjugate with electrostatic binding.


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