Patent · US Expired

Purification of pentafluoroethane

US5679876A · kind A · utility

4Cited by
5References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 10, 1996
Grant dateOct 21, 1997
Priority date
Expiry dateMay 10, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C17/395
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to the purification of pentafluoroethane (F125) containing chloropentafluoroethane (F115) by vapor-phase catalytic hydrogenolysis. A catalyst based on palladium deposited on aluminium trifluoride is employed.

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