Patent · US Expired

Separation of chloropentafluoroethane from pentafluoroethane

US5585529A · kind A · utility

9Cited by

5References

10Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

David Richard Corbin · New Castle, US
Michael Diebold · Berlin, DE
Barry Asher Mahler · Glen Mills, US

Key dates

Filing date	Nov 28, 1995
Grant date	Dec 17, 1996
Priority date	—
Expiry date	Nov 28, 2015

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/582
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Separation of CClF.sub.2 CF.sub.3 from CHF.sub.2 CF.sub.3 is effectively achieved using either acidic inorganic molecular sieves, non-acidic silicate molecular sieves, or activated carbon.

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