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:
Jan. 06, 2009
Filed:
Jan. 08, 2004
Yasuhiko Onishi, Seto-shi, Aichi 489-0842, JP;
Yasuhiko Onishi, Seto-shi, Aichi 489-0842, JP;
Other;
Abstract
A cationic graft-copolymer for a non-viral gene delivery vector comprising a unit derived from a cationic derivative of a water-soluble linear polymers having a hydroxyl groups, namely, a cationic polysaccharide of the following formula (1) [C6H7O2(OH)3-a (OX)a]x H2O (1) and the cationic derivative of polyvinylalcohol of the following formula (2) or the cationic derivative of the partial hydrolyzed polyvinylalcohol of the following formula (3) [CH2 CH(OH)1-b (OX)b]n (2) [CH2CH(OH)1-b-c (OX)b (OAc)c]n (3) and a unit derived from a polymerizable olefin compound of the following formula (4) R4R6∥-C—C—(4)∥R5 R7(a, x, b, n, c, Ac, X, R4, R5, R6, and R7 are defined in claim-); a process for preparing the same and a transfection reagent made therefrom.