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. 31, 2023
Filed:
Jan. 08, 2021
Changzhou No.4 Pharmaceutical Factory Co. Ltd, Changzhou, CN;
Beijing Do-pharma Tech Co. Ltd, Beijing, CN;
Xinhua Fan, Changzhou, CN;
Yanyuan Zhang, Beijing, CN;
Yun He, Changzhou, CN;
Pengfei Li, Beijing, CN;
Xiang Zhang, Changzhou, CN;
Longhao Wu, Beijing, CN;
Peng Peng, Changzhou, CN;
Sujing Zhuang, Changzhou, CN;
Li Xiao, Beijing, CN;
Yongrui Tu, Changzhou, CN;
CHANGZHOU NO.4 PHARMACEUTICAL FACTORY CO. LTD, Changzhou, CN;
BEIJING DO-PHARMA TECH CO. LTD, Beijing, CN;
Abstract
The present invention provides a method for improving the stability of pramipexole or its salt preparation, and further provides a pramipexole hydrochloride oral liquid with excellent stability and oral absorption effect. The pramipexole hydrochloride oral liquid of the present invention is prepared through a simple process, and shows bioequivalence with the tablet containing pramipexole hydrochloride. The invention perfectly realizes multi-dose administration of pramipexole hydrochloride and improves the compliance and accessibility of medication for patients.