Patent · US Expired

Process for the production of high purity and ultrapure bisphenol-A

US5648561A · kind A · utility

14Cited by
43References
25Claims
0Family size

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Inventors

Key dates

Filing dateOct 11, 1995
Grant dateJul 15, 1997
Priority date
Expiry dateOct 11, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/52
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

High purity and ultrapure bisphenol A is prepared in a novel process.

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