Triarylphosphine oxide derivatives containing fluorine substituent and preparing method thereof
US6531633B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Jun 21, 2001 |
| Grant date | Mar 11, 2003 |
| Priority date | — |
| Expiry date | Jun 21, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/5325
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to fluorine-containing triarylphosphine oxide derivatives and preparing method thereof. Particularly, the present invention relates to both fluorine- and phosphine oxide-containing triarylphosphine oxide derivatives which can be utilized in preparing polyimides having excellent adhesion, fire retardancy and low dielectric constant as well as superior thermal stability and mechanical properties, and preparing method thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.