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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 11672757 B1

PDFFull Text
Date of Patent:
Jun. 13, 2023

Filed:

Jun. 28, 2018

Hot melt extrusion for pharmaceutical vaginal film products

Applicant:

University of Pittsburgh-of the Commonwealth System of Higher Education, Pittsburgh, PA (US);

Inventors:

Lisa Cencia Rohan, Pittsburgh, PA (US);

Galit Regev, Pittsburgh, PA (US);

Assignee:

UNIVERSITY OF PITTSBURGH-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION, Pittsburgh, PA (US);

Attorney:

Meunier Carlin & Curfman LLC

Primary Examiner:

Robert A Wax

Assistant Examiner:

Olga V Tcherkasskaya

Int. Cl.
CPC ...
A61K 9/00 (2006.01); A61P 31/04 (2006.01); A61K 9/70 (2006.01); A61K 31/4164 (2006.01); A61K 31/505 (2006.01); A61K 31/567 (2006.01); A61K 35/747 (2015.01); A61K 38/16 (2006.01); A61K 47/10 (2017.01); A61K 47/38 (2006.01);
U.S. Cl.
CPC ...
A61K 9/0036 (2013.01); A61K 9/7007 (2013.01); A61K 31/4164 (2013.01); A61K 31/505 (2013.01); A61K 31/567 (2013.01); A61K 35/747 (2013.01); A61K 38/16 (2013.01); A61K 47/10 (2013.01); A61K 47/38 (2013.01); A61P 31/04 (2018.01);
Abstract

Hot melt extrusion is disclosed as a process for forming vaginal drug delivery films. The methods involve extruding a composition comprising one or more active pharmaceutical ingredients and one or more polymer carriers at an elevated temperature through a die to thereby provide the film. Films prepared by hot melt extrusion are also described.

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Rohan, Lisa. (2023). Hot melt extrusion for pharmaceutical vaginal film products (U.S. Patent No. 11672757). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11672757

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