Diphenol and process for producing the same

Details Diphenol and process for producing the same Diphenol and process for producing the same

2005-03-29

2005-03-29

Shippen, Michael L. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C568S721000

Reexamination Certificate

active

06872858

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.

REFERENCES:
patent: 3408407 (1968-10-01), Cotter et al.
patent: 3461098 (1969-08-01), Apel et al.
patent: 5366843 (1994-11-01), Jeffries, III
patent: 01168632 (1989-07-01), None

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