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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.:

US 10052389 B1

PDFFull Text
Date of Patent:
Aug. 21, 2018

Filed:

Feb. 13, 2014

Polymeric system for release of an active agent

Applicant:

Agency for Science, Technology and Research, Singapore, SG;

Inventors:

Motoichi Kurisawa, Singapore, SG;

Ki Hyun Bae, Singapore, SG;

Fan Lee, Singapore, SG;

Assignee:

Agency for Science, Technology and Research, Singapore, SG;

Attorney:

Schwegman Lundberg & Woessner, P.A.

Primary Examiner:

Jennifer A Berrios

Int. Cl.
CPC ...
A61K 47/61 (2017.01); A61K 47/69 (2017.01); A61K 47/48 (2006.01); A61L 27/20 (2006.01); A61L 27/22 (2006.01); A61L 27/48 (2006.01); A61L 27/52 (2006.01); A61L 27/54 (2006.01); A61L 31/04 (2006.01); A61L 31/12 (2006.01); A61L 31/14 (2006.01); A61L 31/16 (2006.01); A61L 15/44 (2006.01); A61L 15/60 (2006.01); A61K 9/00 (2006.01); A61K 47/10 (2017.01); A61K 47/36 (2006.01); A61K 38/21 (2006.01); A61K 38/28 (2006.01); A61K 38/38 (2006.01); C08B 37/02 (2006.01); C08L 5/02 (2006.01); A61K 47/60 (2017.01);
U.S. Cl.
CPC ...
A61K 47/4823 (2013.01); A61K 9/0019 (2013.01); A61K 9/0024 (2013.01); A61K 38/21 (2013.01); A61K 38/212 (2013.01); A61K 38/28 (2013.01); A61K 38/385 (2013.01); A61K 47/10 (2013.01); A61K 47/36 (2013.01); A61K 47/60 (2017.08); A61K 47/61 (2017.08); A61K 47/6903 (2017.08); A61L 15/44 (2013.01); A61L 15/60 (2013.01); A61L 27/20 (2013.01); A61L 27/22 (2013.01); A61L 27/48 (2013.01); A61L 27/52 (2013.01); A61L 27/54 (2013.01); A61L 31/042 (2013.01); A61L 31/043 (2013.01); A61L 31/129 (2013.01); A61L 31/145 (2013.01); A61L 31/16 (2013.01); C08B 37/0021 (2013.01); C08L 5/02 (2013.01); A61L 2300/622 (2013.01); A61L 2400/06 (2013.01);
Abstract

The present disclosure relates to a polymeric system for release of an active agent, comprising a first polymeric phase containing the active agent, the first polymeric phase forming discrete regions of a set size range and being dispersed within a second polymeric phase comprising a cross-linked polymer-phenol conjugate for release of the active agent therein. The present disclosure further provides an injectable hydrogel comprising the disclosed polymeric system, a carrier for delivering a biologically active substance or a drug comprising the injectable hydrogel, and a method for producing the disclosed polymeric system.

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