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. 17, 2016
Filed:
Feb. 21, 2013
Applicant:
Yasuhiko Onishi, Seto, JP;
Inventor:
Yasuhiko Onishi, Seto, JP;
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/337 (2006.01); A61K 38/13 (2006.01); A61K 47/36 (2006.01); A61K 47/32 (2006.01); A61K 47/48 (2006.01);
U.S. Cl.
CPC ...
A61K 47/36 (2013.01); A61K 31/337 (2013.01); A61K 38/13 (2013.01); A61K 47/32 (2013.01); A61K 47/4823 (2013.01);
Abstract
A cationic graft-copolymer for a drug delivery system comprising a unit derived from a having a hydroxyl groups, namely, a cationic polysaccharide of the following formula (1) (CHO(OH)(OX))HO (1) and a unit derived from a polymerizable olefin compound of the following formula (2) (a, x, X, R, R, R, and Rare defined in claim-); a process for preparing the same and a transfection reagent made therefrom.