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:
Dec. 20, 2022

Filed:

Jul. 21, 2020
Applicant:

Durect Corporation, Cupertino, CA (US);

Inventors:

Michael Sekar, Palo Alto, CA (US);

Felix Theeuwes, Los Altos Hills, CA (US);

Keith Edward Branham, Pelham, AL (US);

John W Gibson, Springville, AL (US);

James Matriano, Mountain View, CA (US);

Whitney Moro, Birmingham, AL (US);

John Tipton, Leeds, AL (US);

William Van Osdol, Mountain View, CA (US);

Su Il Yum, Los Altos, CA (US);

Assignee:

DURECT CORPORATION, Cupertino, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/352 (2006.01); A61K 31/706 (2006.01); A61K 31/785 (2006.01); A61K 38/26 (2006.01); A61K 38/27 (2006.01); A61K 47/54 (2017.01); A61K 9/16 (2006.01); A61K 9/19 (2006.01); A61K 9/00 (2006.01); A61K 47/59 (2017.01); A61K 38/28 (2006.01); A61K 38/31 (2006.01); A61K 39/395 (2006.01);
U.S. Cl.
CPC ...
A61K 47/54 (2017.08); A61K 9/0019 (2013.01); A61K 9/1647 (2013.01); A61K 9/19 (2013.01); A61K 31/352 (2013.01); A61K 31/706 (2013.01); A61K 31/785 (2013.01); A61K 38/26 (2013.01); A61K 38/27 (2013.01); A61K 38/28 (2013.01); A61K 38/31 (2013.01); A61K 39/39516 (2013.01); A61K 47/593 (2017.08);
Abstract

The present disclosure generally provides complexes including a pharmaceutically active agent and a functionalized polymer, wherein the functionalized polymer includes repeat units, the repeat units including ionizable repeat units having at least one ionizable side group and/or ionizable end group, a plurality of the at least one ionizable groups forming non-covalent bonds with the pharmaceutically active agent. Polymers which may be used to form such complexes as well as methods of making and using the complexes and related compositions are also provided.


Find Patent Forward Citations

Loading…