Process and composition

Details Process and composition Process and composition

1993-08-18

1994-11-08

Lone, Werren B.

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

Organic compounds

Carbonate esters

558266, 568727, C07C 6804

Patent

active

053629000

ABSTRACT:
A method comprising purifying impure bisphenol-A by fractional melt crystallization in a falling film dynamic crystallizer.

REFERENCES:
patent: Re32241 (1986-09-01), Saxer
patent: 3621664 (1971-11-01), Saxer
patent: 4013702 (1977-03-01), Cartier et al.
patent: 4113974 (1978-09-01), Mark
patent: 4217298 (1980-08-01), Shikata et al.
patent: 4354046 (1982-10-01), Ladewig et al.
patent: 4927973 (1990-05-01), Dong et al.
patent: 5243093 (1991-04-01), Kissinger et al.

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