EP 0649398 A1 19950426 - SEPARATION OF TETRAFLUOROETHANE ISOMERS.
Title (en)
SEPARATION OF TETRAFLUOROETHANE ISOMERS.
Title (de)
TRENNUNG VON TETRAFLUORETHAN-ISOMEREN.
Title (fr)
SEPARATION D'ISOMERES DE TETRAFLUOROETHANE.
Publication
Application
Priority
- BR 9207152 A 19920717
- CA 2140292 A 19920717
- US 9205851 W 19920717
Abstract (en)
[origin: WO9402440A1] Separation of CF3CH2F and CHF2CHF2 from a mixture thereof is effectively achieved using either inorganic molecular sieves having suitable intermediate electronegativities (compared to Zeolite Na-X) or activated carbon.
IPC 1-7
IPC 8 full level
B01J 20/18 (2006.01); C07C 17/23 (2006.01); C07C 17/389 (2006.01); C07C 19/08 (2006.01)
CPC (source: EP)
C07C 17/389 (2013.01)
Citation (search report)
See references of WO 9402440A1
Designated contracting state (EPC)
DE ES FR GB IT NL
DOCDB simple family (publication)
WO 9402440 A1 19940203; AU 2377892 A 19940214; AU 663515 B2 19951012; BR 9207152 A 19951212; CA 2140292 A1 19940203; CN 1088903 A 19940706; EP 0649398 A1 19950426; JP H07508994 A 19951005; ZA 935163 B 19950116
DOCDB simple family (application)
US 9205851 W 19920717; AU 2377892 A 19920717; BR 9207152 A 19920717; CA 2140292 A 19920717; CN 93108891 A 19930717; EP 92916561 A 19920717; JP 50397694 A 19920717; ZA 935163 A 19930716