Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1974-05-07
1977-01-25
Garvin, Patrick P.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252437, 252440, 252441, 252442, 252454, 252455R, 252457, 252461, 252462, 252463, 252471, 260668A, 260672R, 260672T, C07C 358, C07C 524
Patent
active
040050483
ABSTRACT:
Hydrocarbon catalytic reactions (including isomerization, cyclization, aromatization, disproportionation, alkylation, de-alkylation, reforming, hydrcracking) are effected over a catalyst comprising a crystalline solid solution of two or more irreducible compounds differing in the valency of their cations and/or their anions. The catalysts may be made by heating together the components of the crystalline solid solution or compounds thermally decomposable thereto. Some of the catalysts contain one or more additional acidic materials which act as co-catalysts, and are new compositions of matter.
REFERENCES:
patent: 3328478 (1967-06-01), Barclay et al.
patent: 3334962 (1967-08-01), Clearfield
patent: 3450789 (1969-06-01), Kehl
patent: 3649560 (1972-03-01), Croce et al.
patent: 3660480 (1972-05-01), Pregaglia et al.
Dowden Dennis Albert
Shannon Ian Robertson
Spencer Michael Staines
Garvin Patrick P.
Imperial Chemical Industries Limited
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