Polyethylene glycol conjugate drug, and preparation method therefor and use thereof
US11813334B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 11, 2020 |
| Grant date | Nov 14, 2023 |
| Priority date | — |
| Expiry date | Apr 20, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to the technical field of medicines, and relates to a polyethylene glycol conjugated drug, a preparation method therefor and the use thereof. In particular, the present invention relates to a polyethylene glycol conjugated drug as shown in formula I or a pharmaceutically acceptable salt thereof. The present invention also relates to a method for preparing the polyethylene glycol conjugated drug or the pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the polyethylene glycol conjugated drug or the pharmaceutically acceptable salt thereof, and the use thereof in the preparation of a drug.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.