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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 12678400 B1

PDFFull Text
Date of Patent:
Jul. 14, 2026

Filed:

Dec. 06, 2022

Implantable devices for drug delivery with reduced burst release

Applicant:

Titan Pharmaceuticals, Inc., South San Francisco, CA (US);

Inventors:

Rajesh A. Patel, South San Francisco, CA (US);

Sunil Sreedharan, South San Francisco, CA (US);

Sunil R. Bhonsle, South San Francisco, CA (US);

Assignee:

ReacX Pharmaceuticals, Inc., South San Francisco, CA (US);

Attorney:

Lowenstein Sandler LLP

Primary Examiner:

Abigail Vanhorn

Int. Cl.
CPC ...
A61K 9/00 (2006.01); A61K 9/14 (2006.01); A61K 9/48 (2006.01); A61K 31/197 (2006.01); A61K 31/4045 (2006.01); A61K 31/4458 (2006.01); A61K 31/485 (2006.01); A61K 31/506 (2006.01); A61K 38/26 (2006.01); A61P 25/16 (2006.01); B29C 48/06 (2019.01); B29C 48/21 (2019.01); B29K 1/00 (2006.01); B29K 23/00 (2006.01); B29K 105/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
A61K 9/0024 (2013.01); A61K 9/4808 (2013.01); A61K 9/4816 (2013.01); A61K 9/4833 (2013.01); A61K 31/197 (2013.01); A61K 31/4045 (2013.01); A61K 31/4458 (2013.01); A61K 31/485 (2013.01); A61K 31/506 (2013.01); A61K 38/26 (2013.01); B29C 48/06 (2019.02); B29C 48/21 (2019.02); B29K 2001/08 (2013.01); B29K 2023/083 (2013.01); B29K 2105/0035 (2013.01); B29K 2995/006 (2013.01); B29L 2031/753 (2013.01);
Abstract

The invention provides implantable drug delivery devices comprising a core comprising a polymer (or polymer blend) and one or more drugs or pharmaceutical substances, and an outer shell comprising a polymer (or polymer blend) and one or more porogen materials. The invention reduces burst release of drug. Pharmaceuticals such as triiodothyronine (T3) or ropinirole can be delivered by the devices.

Find Patent Forward Citations

Patel, Rajesh. (2026). Implantable devices for drug delivery with reduced burst release (U.S. Patent No. 12678400). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12678400

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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