Melt polymer synthesis of poly ether phosphine oxides
US6040416A · kind A · utility
32Cited by
7References
17Claims
0Family size
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Key dates
| Filing date | Feb 18, 1999 |
| Grant date | Mar 21, 2000 |
| Priority date | — |
| Expiry date | Feb 18, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G65/4093
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A melt polymerization method for producing poly(arylene ethers phosphine oxide)s suited to optical applications comprising reacting a trimethyl silyl derivative of bisphenol and an activated aromatic dihalide, wherein either reactant is a phosphine oxide, is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.