Polyethylene glycol derivative and preparation method thereof
US11168180B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Nov 6, 2018 |
| Grant date | Nov 9, 2021 |
| Priority date | — |
| Expiry date | Nov 6, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G65/3344
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a polyethylene glycol derivative and a preparation method thereof. A preparation process of a polyethylene glycol derivative, according to the present invention, may provide a novel polyethylene glycol derivative which can be utilized in various ways as a drug linker, and is appropriate and effective for mass production and is advantageous in reproducible mass production of high-quality products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.