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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 11612563 B1

PDFFull Text
Date of Patent:
Mar. 28, 2023

Filed:

Jul. 17, 2018

Pharmaceutical composition

Applicants:

Medincell, Jacou, FR;

Christophe Roberge, Jacou, FR;

Anthony Rech, Jacou, FR;

Jean-manuel Cros, Jacou, FR;

Inventors:

Christophe Roberge, Jacou, FR;

Anthony Rech, Jacou, FR;

Jean-Manuel Cros, Jacou, FR;

Myriam Abbassi, Jacou, FR;

Adolfo López-Noriega, Jacou, FR;

Lea Pebrel, Jacou, FR;

Audrey Petit, Jacou, FR;

Juliette Serindoux, Jacou, FR;

Assignees:

MEDINCELL, Jacou, FR;

Other;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Yih-Horng Shiao

Int. Cl.
CPC ...
A61K 9/00 (2006.01); A61K 31/445 (2006.01); A61K 31/519 (2006.01); A61K 31/5415 (2006.01); A61K 31/7048 (2006.01); A61K 38/12 (2006.01); A61K 47/34 (2017.01); C08G 63/664 (2006.01); A61K 31/167 (2006.01); A61K 9/20 (2006.01);
U.S. Cl.
CPC ...
A61K 9/0024 (2013.01); A61K 9/0019 (2013.01); A61K 9/0029 (2013.01); A61K 9/204 (2013.01); A61K 9/2031 (2013.01); A61K 31/167 (2013.01); A61K 31/445 (2013.01); A61K 31/519 (2013.01); A61K 31/5415 (2013.01); A61K 31/7048 (2013.01); A61K 38/12 (2013.01); A61K 47/34 (2013.01); C08G 63/664 (2013.01);
Abstract

The present invention provides a biodegradable drug delivery composition comprising a mixture of at least two block copolymers taken among triblock and diblock copolymers comprising: (a) a biodegradable triblock copolymer having the formula: A-B-Awherein A is a polyester and B is polyethylene glycol and v and x are from 1 to 3,000 and w is from 3 to 300 and v=x or v≠x; (b) a biodegradable diblock copolymer having the formula: C-Awherein A is a polyester and C is an end-capped polyethylene glycol and y and z are the number of repeat units with y=2 to 250 and z=1 to 3,000; wherein the weight ratio between (a) and (b) is 1:19 to 5:1; and for at least one of the copolymers according to (a) or (b) A is poly(ε-caprolactone-co-lactide); and (c) at least one pharmaceutically active ingredient.

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