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filingDate 2020-10-19-04:00^^<http://www.w3.org/2001/XMLSchema#date>
grantDate 2022-11-29-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationDate 2022-11-29-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber CN-112225912-B
titleOfInvention Degradable medical hydrogel
abstract The invention discloses a medical hydrogel, which is formed by in-situ cross-linking of aldehyde group-terminated star-shaped multi-arm polyethylene glycol and polyamino compounds, the aldehyde group and star-shaped multi-arm polyethylene glycol are separated by Ester linkage, the number of arms of the aldehyde-terminated star-shaped multi-arm polyethylene glycol is 2-8, and the molecular weight of a single arm is 1000-5000Da. The present invention selects the aldehyde group-terminated star-shaped multi-arm polyethylene glycol connected by ester bonds between the aldehyde group and the star-shaped multi-arm polyethylene glycol, and the star-shaped multi-arm polyethylene glycol has a specific number of arms and a molecular weight range, to obtain short-term degradable hydrogels.
priorityDate 2020-10-19-04:00^^<http://www.w3.org/2001/XMLSchema#date>
type http://data.epo.org/linked-data/def/patent/Publication

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Total number of triples: 45.