Method for preparing high-purity polyethyleneglycol aldehyde derivatives
US8349969B2 · kind B2 · utility
2Cited by
8References
8Claims
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Key dates
| Filing date | May 19, 2009 |
| Grant date | Jan 8, 2013 |
| Priority date | — |
| Expiry date | Feb 26, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G65/338
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for preparing high-purity polyethyleneglycol-alkylenealdehydes and derivatives thereof is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.