Polyethylene glycol conjugate medicament, preparation method therefor and use thereof
US11793881B2 · kind B2 · utility
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22Claims
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Assignee
Inventors
Key dates
| Filing date | Nov 18, 2020 |
| Grant date | Oct 24, 2023 |
| Priority date | — |
| Expiry date | Nov 18, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G83/004
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a polyethylene glycol conjugate medicament, a preparation method therefor and use thereof, and in particular relates to a polyethylene glycol conjugate medicament represented by formula (I) or a pharmaceutically acceptable salt thereof. The present invention also relates to a method for preparing the polyethylene glycol conjugate medicament or a pharmaceutically acceptable salt thereof, and an intermediate of the same, a pharmaceutical composition comprising the polyethylene glycol conjugate medicament or a pharmaceutically acceptable salt thereof, and use thereof in preparing a medicament.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.