PFPEs having at least an alkylether end group and respective preparation process
US6982173B2 · kind B2 · utility
12Cited by
7References
4Claims
0Family size
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Key dates
| Filing date | Jun 26, 2002 |
| Grant date | Jan 3, 2006 |
| Priority date | — |
| Expiry date | Sep 5, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/206664
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Perfluoropolyethers having structural formulaR1O—(CF2O)n—(CF2CF2O)mR2 (I)wherein:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.