Bifunctional phenylene ether oligomer, its derivatives, its use and process for the production thereof
US7247682B2 · kind B2 · utility
4Cited by
2References
18Claims
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Key dates
| Filing date | Apr 21, 2005 |
| Grant date | Jul 24, 2007 |
| Priority date | — |
| Expiry date | Oct 20, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31511
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A bifunctional phenylene ether oligomer of the formula (1), obtained by oxidation polymerization of a bivalent phenol of the formula (2) and a monovalent phenol of the formula (3), and Y—O— is represented by the formula (3),
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.