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:
Dec. 14, 2021
Filed:
Sep. 21, 2018
Shenzhen Sciencare Medical Industries Co. Ltd., Shenzhen, CN;
Shugui Yin, Shenzhen, CN;
Shiqiang Wang, Shenzhen, CN;
Shaowei Jia, Shenzhen, CN;
Tao Zhang, Shenzhen, CN;
Qingzhe Liu, Shenzhen, CN;
Shenzhen ScienCare Medical Industries Co. Ltd., Shenzhen, CN;
Abstract
The present invention relates to a technical field of pharmaceutical preparation, in particular to a preparation method of naltrexone implants, including the following steps: (1) dissolving naltrexone and polylactic acid in an organic solvent to form naltrexone microspheres, and drying; (2) placing the naltrexone microspheres in a heated tableting mold for tableting, and obtaining naltrexone implant tablets; (3) dissolving the polylactic acid in the organic solvent to obtain a coating solution, and placing the coating solution in a coating pool, and then immersing the naltrexone implant tablets in the coating solution, and drying in a suspended state.