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:
Sep. 08, 2020
Filed:
Dec. 28, 2015
Applicant:
Samyang Biopharmaceuticals Corporation, Seoul, KR;
Inventors:
Assignee:
SAMYANG BIOPHARMACEUTICALS CORPORATION, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 47/34 (2017.01); A61K 9/19 (2006.01); C08G 63/06 (2006.01); C08K 3/10 (2018.01); C08K 3/16 (2006.01); A61K 9/08 (2006.01); A61K 31/506 (2006.01); A61K 47/26 (2006.01); A61K 31/337 (2006.01); A61K 9/51 (2006.01); C08K 3/22 (2006.01);
U.S. Cl.
CPC ...
A61K 47/34 (2013.01); A61K 9/08 (2013.01); A61K 9/19 (2013.01); A61K 9/5146 (2013.01); A61K 9/5153 (2013.01); A61K 31/337 (2013.01); A61K 31/506 (2013.01); A61K 47/26 (2013.01); C08G 63/06 (2013.01); C08K 3/10 (2013.01); C08K 2003/162 (2013.01); C08K 2003/2206 (2013.01);
Abstract
The present invention relates to a polymer nanoparticle freeze-dried product, and a preparation method therefor, the polymer nanoparticle freeze-dried product being obtainable by treating, through a freeze-drying process comprising an annealing step, a polymer nanoparticle aqueous solution comprising an amphiphilic block copolymer, a polylactic acid derivative having a carboxyl terminal group, and a freeze-drying adjuvant, wherein the polymer nanoparticle freeze-dried product is reconstituted within five minutes upon reconstitution by means of an aqueous solvent under atmospheric pressure.