Process for the manufacture of 1,1,1,2-tetrafluoroethane

Details Process for the manufacture of 1,1,1,2-tetrafluoroethane Process for the manufacture of 1,1,1,2-tetrafluoroethane

1991-03-20

1994-06-14

Siegel, Alan

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

570166, 570167, C07C 1708, C07C 1908

Patent

active

053211707

ABSTRACT:
A process is disclosed for producing HFC-134a which includes reacting certain tetrahaloethane starting materials (e.g., 2-chloro-1,1,1-trifluoroethane) with HF in the gaseous phase at an elevated temperature in the presence of certain supported metal catalysts containing effective amounts of zinc. A catalyst of metal fluoride on a fluorinated alumina support having an atomic ratio of F to Al of at least 2.7:1 and containing .beta.-aluminum fluoride, is employed.

REFERENCES:
patent: 1996115 (1935-04-01), Lazier
patent: 3178483 (1965-04-01), Christoph et al.
patent: 3178484 (1965-04-01), Christoph et al.
patent: 3591646 (1971-07-01), Vecchio et al.
patent: 3607955 (1971-09-01), Gardner
patent: 3728405 (1973-04-01), Thoroughgood
patent: 3793229 (1974-02-01), Groppelli et al.
patent: 4766259 (1988-08-01), Manzer et al.
patent: 4766260 (1988-08-01), Manzer et al.
patent: 4827055 (1989-05-01), Elsheikh
patent: 4861744 (1989-08-01), Sobolev
patent: 4967023 (1990-10-01), Carmello et al.
C. R. Acad. Sc. Paris, t. 271 (Jul. 6, 1970) Baumer, et al.
Inorg Chem., 5, pp. 1927-1933 D. B. Shinn, et al.
Journal of Catalysis, 33, pp. 39-46 H. J. Beitsma et al.
Anal. Chem., 29, p. 984 E. Staitzky et al.
Journal of Solid State Chemistry, 77 pp. 96-101 A. Le Bail et al.

Affiliated with

Also associated with

Rating

Process for the manufacture of 1,1,1,2-tetrafluoroethane 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 manufacture of 1,1,1,2-tetrafluoroethane, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the manufacture of 1,1,1,2-tetrafluoroethane will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1250514