Patent · US Expired

Process for the decomposition of a complex of orthobenzoyl-benzoic acid, hydrogen fluoride and boron trifluoride

US4591460A · kind A · utility

1Cited by
4References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 19, 1984
Grant dateMay 27, 1986
Priority date
Expiry dateMar 19, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/584
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Process for the decomposition of complexes of orthobenzoyl-benzoic acid, hydrogen fluoride, and boron trifluoride in which the complex is subjected to the action of sulfuric acid in a concentration of at least about 96% by weight or to the action of an oleum, under atmospheric pressure or under a pressure lower than atmospheric pressure.

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