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. 02, 2025
Filed:
Mar. 08, 2023
Overseas Pharmaceuticals, Ltd., Guangzhou, CN;
Xiaoguang Wen, Guangzhou, CN;
Xiaofeng Huang, Guangzhou, CN;
Dachuan Zhao, Guangzhou, CN;
Jun Fan, Guangzhou, CN;
Chenliang Zhang, Guangzhou, CN;
Peipei Wang, Guangzhou, CN;
Min Li, Guangzhou, CN;
OVERSEAS PHARMACEUTICALS, LTD., Guangzhou, CN;
Abstract
An ibuprofen controlled-release tablet and a method for preparing same are provided. The controlled-release tablet is composed of a drug-containing immediate-release layer and a drug-containing sustained-release layer, wherein a mass of ibuprofen in the drug-containing sustained-release layer is greater than a mass of ibuprofen in the drug-containing immediate-release layer, and a ratio of the mass of the ibuprofen in the drug-containing sustained-release layer to the mass of the ibuprofen in the drug-containing immediate-release layer is ≤7. The tablet of the present disclosure has an effective analgesic effect for 24 h after administration.