Diphenol and process for producing the same
US6872858B2 · kind B2 · utility
3Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2002 |
| Grant date | Mar 29, 2005 |
| Priority date | — |
| Expiry date | Feb 7, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention provides a diphenol represented by the general formula (I) wherein X is a divalent cyclic hydrocarbon group selected from 1-cyclohexene-1,4-ylene group, 1,4-cyclohexylene group and p-phenylene group, R is an alkyl group of 1-4 carbon atoms, n is 0 or an integer of 1-3 when X is 1-cyclohexene-1,4-ylene group and an integer of 1-3 when X is 1,4-cyclohexylene group or p-phenylene group. The invention further provides a process for the production of the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.