(2,3,4,5,6-pentafluorobenzoyl) diphenyl ether compound, and fluorine-containing aryl ether ketone polymer
US6172181A · kind A · utility
3Cited by
0References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1999 |
| Grant date | Jan 9, 2001 |
| Priority date | — |
| Expiry date | Jul 16, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C49/84
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A (2,3,4,5,6-pentafluorobenzoyl)diphenyl ether compound represented by the formula (I): ##STR1## wherein R stands for a hydroxyl group or a group represented by ##STR2## ether ketone polymer represented by the formula (II): ##STR3## wherein n stands for a degree of polymerization, m is an integer of 0 or 1, and R.sup.1 stands for a group represented by the formula (III): ##STR4## wherein p is an integer 0 or 1 and R.sup.2 stands for ##STR5##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.