Purification of diphenyl phthalates

Details Purification of diphenyl phthalates Purification of diphenyl phthalates

1987-06-30

1988-08-23

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

C07C 6748

Patent

active

047662360

ABSTRACT:
Color properties of crude phenolic esters of aromatic dicarboxylic acids are improved by distilling the esters in the presence of a boron oxide compound.

REFERENCES:
patent: 3382271 (1968-05-01), McNemey
patent: 3705186 (1972-12-01), Naskar

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