Process for the separation of a mixture comprising at least...

Details Process for the separation of a mixture comprising at least... Process for the separation of a mixture comprising at least...

2006-07-11

2006-07-11

Price, Elvis O. (Department: 1621)

Drug, bio-affecting and body treating compositions

Inorganic active ingredient containing

Elemental fluorine or fluorine compound

C514S743000, C203S043000, C203S077000, C203S067000, C203S080000, C203S036000, C203S037000, C203S074000, C570S164000, C570S165000, C570S166000, C570S167000, C570S168000, C570S169000, C570S172000, C570S177000, C570S180000, C570S193000

Reexamination Certificate

active

07074434

ABSTRACT:
Process for the separation of a mixture comprising at least one hydrofluoroalkane and hydrogen fluoride, according to which a hydrofluoroalkane/hydrogen fluoride mixture is reacted with at least one chlorinated or chlorofluorinated precursor of the hydrofluoroalkane. Process for the preparation of a hydrofluoroalkane comprising such a separation, in combination with a catalytic reaction stage. Azeotropic compositions.

REFERENCES:
patent: 3381044 (1968-04-01), Wiedemann et al.
patent: 5276225 (1994-01-01), Berthe
patent: 5414165 (1995-05-01), Nappa et al.
patent: 5461177 (1995-10-01), Manzer et al.
patent: 5739406 (1998-04-01), Pennetreau et al.
patent: 6540882 (2003-04-01), Reif et al.
patent: 0 601 373 (1993-11-01), None
patent: 0 699 649 (1995-08-01), None
patent: WO 91/04955 (1991-04-01), None
patent: WO 97/05089 (1997-02-01), None
patent: WO 97/13719 (1997-04-01), None
patent: WO 97/15540 (1997-05-01), None
patent: WO 98/21171 (1998-05-01), None
patent: 9608481 (1997-07-01), None
Okamoto Shuichi, Pat. Abs. of Japan vol. 1998: No. 9, Abs. of JP 10-101593, Production of 1,1,1,3,3-Pentafluoropropane,: (Apr. 21, 1998).

Affiliated with

Also associated with

Rating

Process for the separation of a mixture comprising at least... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the separation of a mixture comprising at least..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the separation of a mixture comprising at least... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3541279