Patent · US Active

Controlled-release tablet of ibuprofen and method for preparing same

US12403097B2 · kind B2 · utility

0Cited by

1References

26Claims

0Family size

Assignee

OVERSEAS PHARMACEUTICALS, LTD. · CN

Inventors

Xiaoguang Wen · Taizhou City, CN
Xiaofeng Huang · Châtillon, FR
Dachuan Zhao · Weifang, CN
Jun Fan · Beijing, CN
Chenliang ZHANG · 流花街道, CN
Peipei Wang · Beijing, CN
Min Li · Taichung, TW

Key dates

Filing date	Mar 8, 2023
Grant date	Sep 2, 2025
Priority date	—
Expiry date	Mar 8, 2043

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P29/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.