Sugar chain-containing polymer, and sugar chain-containing polymer complex
US9617543B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | May 27, 2014 |
| Grant date | Apr 11, 2017 |
| Priority date | — |
| Expiry date | May 27, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12N2320/32
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A sugar chain-containing polymer that enables targeting to the lesion area of liver fibrosis and is useful for imaging, diagnosis and therapy of liver fibrosis; and a sugar chain-containing polymer complex comprising the polymer as a carrier for an anionic substance useful fix therapy and the like; are provided. The polymer is a sugar chain-containing polymer which is a cationic polymer comprising an amine, which polymer comprises N-acetylglucosamine bound thereto. The polymer preferably has a disulfide bond. The polymer preferably has a structure in which polyethyleneimine is linked via a disulfide bond.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.