Selective liquid phase oxidation of toluene to benzaldehyde

Details Selective liquid phase oxidation of toluene to benzaldehyde Selective liquid phase oxidation of toluene to benzaldehyde

2007-03-13

2007-03-13

Witherspoon, Sikarl A. (Department: 1621)

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

Organic compounds

Oxygen containing

C568S437000

Reexamination Certificate

active

11317750

ABSTRACT:
The present invention provides an improved process for the liquid phase oxidation of toluene to benzaldehyde with high selectivity and good activity in an organic acid medium using a catalyst system consisting of transition metal/metals and bromide as a promoter in the presence of lean oxygen.

REFERENCES:
patent: 6495726 (2002-12-01), Kantam et al.
Borgaonkar et al. Liquid Phase Oxidation of Toluene to Benzaldehyde by Air. Industrial Engineering and Chemical Product Research and Development, 1984, vol. 23, p. 455-458.

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