Patent · US Expired

Process for the continuous production of high purity bisphenol A

US5545764A · kind A · utility

11Cited by

2References

2Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Klaus Berg · Krefeld, DE
Claus Wulff · Krefeld, DE
Georg Malamet · Krefeld, DE
Alfred Eitel · Dormagen, DE
Kurt P. Meurer · Leverkusen, DE
Tony van Osselaer · Krefeld, DE
J urgen Hinz · Brasschaat, BE

Key dates

Filing date	Mar 1, 1995
Grant date	Aug 13, 1996
Priority date	—
Expiry date	Mar 1, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C37/685
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention provides a process for the production of high purity bisphenol A by special in-process-crystallisation of bisphenol A/phenol adduct crystallisates.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.