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:
Oct. 28, 2025
Filed:
Aug. 05, 2019
Applicant:
Sinotherapeutics Inc., Shanghai, CN;
Inventors:
Hongzhen Yu, Shanghai, CN;
Ziqiang Li, Shanghai, CN;
Jiansheng Wan, Shanghai, CN;
Xiaoxi Sheng, Shanghai, CN;
Assignees:
Sinotherapeutics Inc., Shanghai, CN;
Andorra Pharmaceuticals, LLC, Ocala, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/675 (2006.01); A61K 9/00 (2006.01); A61K 9/08 (2006.01); A61K 9/19 (2006.01); A61K 47/02 (2006.01); A61K 47/10 (2017.01); A61K 47/26 (2006.01);
U.S. Cl.
CPC ...
A61K 31/675 (2013.01); A61K 9/0019 (2013.01); A61K 9/08 (2013.01); A61K 9/19 (2013.01); A61K 47/02 (2013.01); A61K 47/10 (2013.01); A61K 47/26 (2013.01);
Abstract
Provided are a hydration method for a lyophilized cyclophosphamide composition and a composition and preparation prepared thereby. The hydration method comprises: (a) providing an aqueous solution comprising cyclophosphamide and an optional pharmaceutically acceptable excipient; (b) freeze-drying the solution to obtain a lyophilized composition; and (c) hydrating the lyophilized composition by using liquid water to obtain the product.