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:
Jul. 05, 2022
Filed:
May. 21, 2019
Shandong Academy of Pharmaceutical Sciences, Jinan, CN;
Shandong Freda Pharmaceutical Group Co., Ltd., Jinan, CN;
Peixue Ling, Jinan, CN;
Fei Liu, Jinan, CN;
Huarong Shao, Jinan, CN;
Lei Chen, Jinan, CN;
Zhiyun Zhang, Jinan, CN;
Xiaoyuan Zhang, Jinan, CN;
Qixin Chen, Jinan, CN;
Guanying Han, Jinan, CN;
Yanling Cheng, Jinan, CN;
Jianqiang Zhang, Jinan, CN;
Daizhou Zhang, Jinan, CN;
SHANDONG ACADEMY OF PHARMACEUTICAL SCIENCES, Jinan, CN;
SHANDONG FREDA PHARMACEUTICAL GROUP CO., LTD., Jinan, CN;
Abstract
A joint cavity injection preparation is provided. The active ingredient of the joint cavity injection preparation is deacetylated xanthan gum (XG). The deacetylated XG has a molecular weight of 500,000 to 20,000,000. The joint cavity injection preparation is prepared from deacetylated xanthan gum (XG), which has higher biocompatibility and safe wide-dosage range than existing joint cavity injection preparations prepared from XG.