METHOD FOR PURIFYING 1,1,1,3,3-PENTAFLUOROPROPANE

Title:

METHOD FOR PURIFYING 1,1,1,3,3-PENTAFLUOROPROPANE

Document Type and Number:

Japanese Patent JP2001097899

Kind Code:

A

Abstract:

To provide a method for purifying 1,1,1,3,3-pentafluoropropane (HFC-245fa) from a mixture containing HFC-245fa and hydrogen fluoride.

This method for purifying 1,1,1,3,3-pentafluoropropane comprises using at least one kind selected from 3-chloro-1,1,1,3-tetrafluoropropane, 1- chloro-1,1,3,3-tetrafluoropropane, 3,3-dichloro-1,1,1-trifluoropropane and 1,3- dichloro-1,1,3-trifluoropropane as an extractant.

More Like This:

JPWO2005088185	Gas for manufacturing equipment, gas supply containers, and electronic devices
JPS5470206	MANUFACTURE OF CHLOROPRENE

Inventors:

YOKOYAMA TAKAAKI
YANASE NOBUKAZU
SUZUKI YASUHIRO
OKAMOTO SHUICHI

Application Number:

JP28156199A

Publication Date:

April 10, 2001

Filing Date:

October 01, 1999

Export Citation:

Click for automatic bibliography generation Help

Assignee:

ASAHI GLASS CO LTD

International Classes:

C07C17/38; C07C19/08; (IPC1-7): C07C17/38; C07C19/08

Domestic Patent References:

JPH1017501A	1998-01-20
JPS49117408A	1974-11-09
JPH11158088A	1999-06-15
JPH0873385A	1996-03-19
JPH10101593A	1998-04-21
JPH11158089A	1999-06-15

Attorney, Agent or Firm:

Kenji Izumina (2 outside)

Previous Patent: METHOD FOR PRODUCING FLUORINATED BISPHENYL COMPOUND

Next Patent: METHOD FOR PRODUCING MIXTURE OF CYCLOALKANONE AND CYCLOALKANOL