Hyaluronic acid derivative and pharmaceutical composition thereof
US8759322B2 · kind B2 · utility
6Cited by
2References
30Claims
0Family size
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Inventors
Key dates
| Filing date | Nov 5, 2009 |
| Grant date | Jun 24, 2014 |
| Priority date | — |
| Expiry date | Oct 17, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2305/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a hydrophobic group-introduced hyaluronic acid derivative comprising at least one repeating unit represented by the formula (I):wherein R1, R2, R3, R4, Z, n, Ra, Y, and X1 are as defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.