Patent · US Active

Joint cavity injection preparation and use thereof

US11376274B2 · kind B2 · utility

0Cited by

1References

12Claims

0Family size

Assignees

Inventors

Peixue Ling · Jinan, CN
Fei Liu · Nanjing, CN
Huarong SHAO · Jinan, CN
Lei Chen · Singapore, SG
Zhiyun Zhang · Amherst, US
Xiaoyuan Zhang · Beijing, CN
Qixin CHEN · Beijing, CN
Guanying Han · Jinan, CN
Yanling Cheng · Okabena, US
Jianqiang Zhang · Kunshan, CN
Daizhou ZHANG · Jinan, CN

Key dates

Filing date	May 21, 2019
Grant date	Jul 5, 2022
Priority date	—
Expiry date	May 21, 2039

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P19/02
WIPO fieldPharmaceuticals
WIPO sectorChemistry

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.

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