Nova Patents
AT319672T

Process for the purification of fluoromethyl hexafluoroisopropyl ether

Abstract

A process for the purification of hexafluoroisopropyl fluoromethyl ether which comprises contacting a crude composition comprising fluoromethyl hexafluoroisopropyl ether and at least one impurity into contact with an adsorbent having pores within a size range in which at least one impurity of the composition is removed raw and retrieve the free crude composition of this impurity.

Term

No projected expiry on record.

  1. Priority
  2. Filed
  3. Granted
  4. Today

17 members in 11 offices

This recordMember, by publication datePriority claim1 more office is in the list below

Priority claims1

Priority claims
DocumentOfficeKindDate
0031303United KingdomA

Members17

Family members, oldest first
DocumentOfficeKind
GB0031303D0United KingdomD0
CA2432595A1CanadaA1
WO0250004A1World Intellectual Property Organization (WIPO)A1
AU2229902AAustraliaA
BR0116753ABrazilA
EP1381585A1European Patent Office (EPO)A1
JP2004520309AJapanA
US2005261526A1United States of AmericaA1
EP1381585B1European Patent Office (EPO)B1
AT319672TThis recordAustriaT
ATE319672T1AustriaT1
US7019178B2United States of AmericaB2
DE60117690D1GermanyD1
ES2259008T3SpainT3
DE60117690T2GermanyT2
AU2002222299B2AustraliaB2
AU2002222299B9AustraliaB9