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:
May. 30, 2023
Filed:
Aug. 28, 2019
Applicant:
Beijing Showby Pharmaceutical Co., Ltd., Beijing, CN;
Inventor:
Zejun Gao, Beijing, CN;
Assignee:
BEIJING SHOWBY PHARMACEUTICAL CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 15/00 (2006.01); A61K 31/282 (2006.01);
U.S. Cl.
CPC ...
C07F 15/0093 (2013.01); A61K 31/282 (2013.01); C07B 2200/13 (2013.01);
Abstract
Provided is 2-(4-diethylamino)butylmalonic acid-(1R,2R)-(−)-1,2-cyclohexanediamine platinum(II) phosphate having high solubility, low hygroscopicity, and high stability and being suitable for preparing into various antitumor drug preparations. Also provided is a preparation method for amorphous 2-(4-diethylamino)butylmalonic acid-(1R,2R-)-1,2-cyclohexanediamine platinum(II) phosphate. The method is simple to operate and is suitable for industrial implementation.