Organic compounds -- part of the class 532-570 series – Organic compounds – Halocarbonate esters
Patent
1986-07-28
1988-08-30
Hollrah, Glennon H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Halocarbonate esters
544338, 544388, 558266, 558267, 560 22, 560 27, 564156, C07C12504
Patent
active
047678771
ABSTRACT:
Bisamide and bisurethane bisphenols and bishaloformates are prepared by the reaction of amines with dicarboxylic acid halides or bisphenol bishaloformates. They are useful as intermediates for the preparation of cyclic heterocarbonates, which may in turn be converted to linear copolycarbonates.
REFERENCES:
patent: 3903160 (1975-09-01), Dexter et al.
patent: 4564705 (1986-01-01), Frazer et al.
Foldi et al., J. Poly. Sci., 56, 1-9 (1962).
Brunelle Daniel J.
Shannon Thomas G.
Davis Jr. James C.
General Electric Company
Hollrah Glennon H.
Magee Jr. James
Pittman William H.
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