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:
Jul. 10, 2018

Filed:

Jul. 27, 2017
Applicant:

The Board of Regents of the University of Texas System, Austin, TX (US);

Inventors:

Jinming Gao, Plano, TX (US);

David Boothman, Dallas, TX (US);

Kejin Zhou, Dallas, TX (US);

Xiaonan Huang, Beijing, CN;

Yiguang Wang, Dallas, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 8/00 (2006.01); C08F 293/00 (2006.01); C07D 311/92 (2006.01); A61K 9/127 (2006.01); A61K 9/50 (2006.01); A61K 31/337 (2006.01); A61K 31/704 (2006.01); A61K 49/00 (2006.01); A61K 31/352 (2006.01); A61K 9/107 (2006.01); A61K 47/58 (2017.01); A61K 47/62 (2017.01); A61K 47/68 (2017.01); C08F 220/34 (2006.01);
U.S. Cl.
CPC ...
C08F 293/005 (2013.01); A61K 9/1075 (2013.01); A61K 9/1273 (2013.01); A61K 9/5031 (2013.01); A61K 31/337 (2013.01); A61K 31/352 (2013.01); A61K 31/704 (2013.01); A61K 47/58 (2017.08); A61K 47/62 (2017.08); A61K 47/6811 (2017.08); A61K 47/6845 (2017.08); A61K 49/0032 (2013.01); A61K 49/0054 (2013.01); A61K 49/0056 (2013.01); A61K 49/0082 (2013.01); C07D 311/92 (2013.01); A61K 49/005 (2013.01); C08F 220/34 (2013.01); C08F 2438/01 (2013.01);
Abstract

Provided herein are block copolymers comprising a hydrophilic polymer segment and a hydrophobic polymer segment, wherein the hydrophilic polymer segment comprises a polymer selected from the group consisting of: poly(ethylene oxide) (PEO), poly(methacrylate phosphatidyl choline) (MPC), and polyvinylpyrrolidone (PVP), wherein the hydrophobic polymer segment comprises wherein R' is —H or —CH, wherein R is —NRR, wherein Rand Rare alkyl groups, wherein Rand Rare the same or different, wherein Rand Rtogether have from 5 to 16 carbons, wherein Rand Rmay optionally join to form a ring, wherein n is 1 to about 10, and wherein x is about 20 to about 200 in total. Also provided are pH-sensitive micelle compositions for therapeutic and diagnostic applications.


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