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:
Apr. 20, 2010
Filed:
Apr. 02, 2007
Applicants:
Yasunobu Tanaka, San Diego, CA (US);
Gang Zhao, Vista, CA (US);
Lei Yu, Carlsbad, CA (US);
Inventors:
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N 61/10 (2006.01); A01N 43/04 (2006.01); C08F 10/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Polymers comprising a polyethylenimine having a molecular weight less than 600 Daltons, a biodegradable group, and a relatively hydrophobic group that are useful for the delivery of bioactive agents to cells.