Linear dimers of bisphenols and method for making

Details Linear dimers of bisphenols and method for making Linear dimers of bisphenols and method for making

1978-09-18

1980-09-02

Helfin, Bernard

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

Organic compounds

Oxygen containing

568640, 568641, 568 33, 568 49, 252404, 252406, 252407, 528196, C07C 4100, C07C 4320

Patent

active

042208050

ABSTRACT:
Linear dimers of certain bisphenols are provided by heating together a monocapped bisphenol salt and a certain dihalogenated alkylene or alkarylene compound in the presence of an inert organic solvent. The linear bisphenol dimers are useful as anti-oxidants and intermediates for making polycarbonates, polyesters and block polymers.

REFERENCES:
patent: 2940852 (1960-06-01), Herrick et al.
patent: 3205198 (1965-09-01), Deanin et al.
patent: 3547881 (1970-12-01), Mueller et al.
patent: 3607947 (1971-09-01), Penfold
patent: 3897392 (1975-07-01), Haupt et al.
patent: 4042566 (1977-08-01), Murphy

Affiliated with

Also associated with

Rating

Linear dimers of bisphenols and method for making does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Linear dimers of bisphenols and method for making, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Linear dimers of bisphenols and method for making will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1709905