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:
Jul. 14, 2026
Filed:
Jun. 28, 2022
Applicant:
Foresee Pharmaceuticals Co., Ltd., Taipei, TW;
Inventors:
Yuhua Li, Newark, DE (US);
Andrew J. Guarino, Newark, DE (US);
Assignee:
FORESEE PHARMACEUTICALS CO., LTD., Taipei, TW;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 38/09 (2006.01); A61K 9/00 (2006.01); A61K 9/107 (2006.01); A61K 47/22 (2006.01); A61K 47/34 (2017.01);
U.S. Cl.
CPC ...
A61K 38/09 (2013.01); A61K 9/0019 (2013.01); A61K 9/107 (2013.01); A61K 47/22 (2013.01); A61K 47/34 (2013.01);
Abstract
The present application provides a method for the manufacture of a viscous liquid suspension or emulsion for controlled release drug delivery, where the composition comprises: a lactate-based polymer having a weight average molecular weight between 5,000 and 50,000 dalton; a biocompatible solvent; and a bioactive substance or a salt thereof. The method involves weighing, mixing, dissolving the raw materials, filtering the product, and degassing the product to produce a uniform formulation that can be accurately filled in a single ready to use syringe.