Process for preparing carboxylic anhydride using improved cataly

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

502350, 549245, 549248, 549253, 549258, C07D30789, C07D49304

Patent

active

045829128

ABSTRACT:
In accordance with the process of this invention, an improved catalyst for molecular oxidation of a hydrocarbon to form the corresponding carboxylic anhydrides is prepared by the steps of (a) forming a catalyst precursor by depositing on titanium dioxide solids in the anatase form at least a monolayer amount of at least one source of vanadium oxide, (b) calcining the thus-formed catalyst precursor under conditions sufficient to convert the vanadium oxide source into the oxide form, (c) depositing upon the calcined catalyst precursor a catalytically effective amount of at least one vanadium oxide source which is convertible into vanadium oxide upon heating and at least one metal oxide source selected from the group consisting of oxides of Sb, Ga, Ge, In, Tl, Pb, Se, Te, P and Bi, which is convertible into the corresponding metal oxide upon heating and which is reactive with V.sub.2 O.sub.5, and (d) calcining the vanadium and reactive metal containing catalyst solids under conditions sufficient to form the corresponding vanadium oxide and reactive metal oxides.

REFERENCES:
patent: 3464930 (1969-09-01), Friedrichsen
patent: 3509179 (1970-04-01), Friedrichsen
patent: 3565829 (1971-02-01), Friedrichsen
patent: 3721683 (1973-03-01), Yokoyama
patent: 3862960 (1975-01-01), Cheavens
patent: 3870655 (1975-03-01), Nanba
patent: 3894971 (1975-07-01), Reater et al.
patent: 3909457 (1975-09-01), Friedrichsen
patent: 3926846 (1975-12-01), Ono
patent: 4012338 (1977-03-01), Urwin
patent: 4052418 (1977-10-01), Sureah et al.
patent: 4075231 (1978-02-01), Dolhyj et al.
patent: 4076731 (1978-02-01), Dolhyj et al.
patent: 4096094 (1978-06-01), Blechschmitt et al.
patent: 4282116 (1981-08-01), Reuter et al.
patent: 4305843 (1981-12-01), Krabetz et al.
patent: 4316821 (1982-02-01), Bruckman
patent: 4356112 (1982-10-01), Nakanishi et al.
patent: 4392986 (1983-07-01), Yang et al.
patent: 4397768 (1983-08-01), Felice
patent: 4435521 (1984-03-01), Yang et al.
A. W. Adamson, Physical Chemistry of Surfaces, 3rd Ed., p. 250 (John Wiley & Sons, NY) (1976).
S. Matsuda et al., Applied Catalysis, 8 (1983), 149-165.
M. S. Wainwright et al., Canadian Journal of Chemical Engineering, 55, 557-564 (Oct. 1977).
A. J. Van Hengstum et al., Applied Catalysis, vol. 8, 369-382 (1983).
M. Gasior et al., Applied Catalysis, vol. 10, 87-100 (1984).
G. C. Bond et al., Faraday Discussions of the Chemical Society, vol. 72, 235-246 (1981).
G. C. Bond et al., Journal of Catalysis, vol. 77, 309-322 (1982).
R. J. H. Clark, "The Chemistry of Titanium and Vanadium", p. 267, (Elsevier Publishing Co., 1968).
F. Roozeboom et al., J. Phys. Chem., vol. 84, p. 2783 (1980).
H. Brunaur, P. Emmett and E. Teller, J. of Amer. Chem. Soc., vol. 60, p. 309 (1938).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Process for preparing carboxylic anhydride using improved cataly 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 preparing carboxylic anhydride using improved cataly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing carboxylic anhydride using improved cataly will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1439642

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.