Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1980-04-08
1981-08-04
Shine, W. J.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252477R, 2603464, B01J 2106, B01J 2322, B01J 3500
Patent
active
042821169
ABSTRACT:
A supported catalyst, containing vanadium and titanium and/or zirconium, obtained by applying a mixture of finely divided titanium dioxide and/or zirconium dioxide, and a solution or suspension of a vanadium compound, to an inert, non-porous, ring-shaped carrier having an external diameter of from 6 to 10 mm, a length of from 4 to 10 mm and a wall thickness of from 0.5 to 3 mm, the two end faces of the ring-shaped carrier being outwardly beveled at an angle such that the length of the outer cylindrical wall is at least 20% shorter than the length of the inner cylindrical wall.
REFERENCES:
patent: 3464930 (1969-09-01), Friedrichsen et al.
patent: 3565829 (1971-02-01), Friedrichsen et al.
patent: 4002653 (1977-01-01), Reuter et al.
patent: 4036783 (1977-07-01), Blechschmitt et al.
Blechschmitt Kurt
Reuter Peter
Wirth Friedrich
BASF - Aktiengesellschaft
Shine W. J.
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