Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1996-01-16
1998-03-03
Geist, Gary
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568722, 568723, C07C 3912, C07C 3916, C07C 3768
Patent
active
057236895
ABSTRACT:
A method for recovering substantially pure p,p-bisarylols from a mixture comprising the same by subjecting the mixture to vacuum distillation and melt crystallization in the absence of an adduct crystallization and the generation of a reaction recycle stream.
REFERENCES:
patent: 3394089 (1968-07-01), McNutt et al.
patent: 5302774 (1994-04-01), Berg
patent: 5475152 (1995-12-01), Kissinger et al.
"Bisphenol A",Encyclopedia of Chemical Processing and Design, 1977, pp. 406-430.
Kirk-Othmer, Encyclopedia of Chemical Technology, Fourth Edition, vol. 7, pp. 723-729, 1993.
Oyevaar Martin Herke
Pressman Eric James
Shafer Sheldon Jay
Wetzel Joseph Richard
Geist Gary
General Electric Company
Pittman William H.
Puttlitz, Jr. Karl J.
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