Patent · US Expired

Method for obtaining a purified hydrofluoroalkane, purified hydrofluoroalkane, use of same and method for analysing same

US7077960B2 · kind B2 · utility

4Cited by
12References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 7, 2001
Grant dateJul 18, 2006
Priority date
Expiry dateApr 1, 2021

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/124
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Process for the production of a hydrofluoroalkane, according to which hydrofluoroalkane comprising organic impurities is subjected to at least two distillations.

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