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.:
Date of Patent:
Dec. 23, 2025
Filed:
Apr. 05, 2024
Applicant:
Celanese Eva Performance Polymers Llc, Irving, TX (US);
Inventor:
Christian Schneider, Hattersheim am Main, DE;
Assignee:
Celanese EVA Performance Polymers LLC, Irving, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/50 (2006.01); A61K 38/39 (2006.01); A61K 38/48 (2006.01);
U.S. Cl.
CPC ...
A61K 9/5073 (2013.01); A61K 9/5026 (2013.01); A61K 9/5031 (2013.01); A61K 38/39 (2013.01); A61K 38/4873 (2013.01); C12Y 304/22004 (2013.01);
Abstract
An implantable device for delivery of a macromolecular drug compound is provided. The device comprises a core having an outer surface and a membrane layer positioned adjacent to the outer surface of the core. The core comprises a core polymer matrix within which is dispersed a drug compound having a molecular weight of about 5 kDa or more, the polymer matrix containing a hydrophobic polymer. The membrane polymer matrix includes from about 70 wt. % to about 99 wt. % of an ethylene vinyl acetate copolymer.