Biodegradable sealant and use of a biodegradable sealant in manufacture of an agent for biological tissue adhesion or repair
US11154637B2 · kind B2 · utility
1Cited by
4References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2019 |
| Grant date | Oct 26, 2021 |
| Priority date | — |
| Expiry date | Nov 6, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L24/0042
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A biodegradable sealant includes: a polyethylene glycol derivative; a photoinitiator; and a solvent, wherein the content of the polyethylene glycol derivative is about 10-75 wt % in the biodegradable sealant. The polyethylene glycol derivative is obtained by a substitution reaction, and in the substitution reaction, the polyethylene glycol is modified with methacrylic anhydride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.