Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1977-02-28
1979-08-07
Shine, W. J.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252477R, 427 34, 427214, B01J 2104, B01J 2340, B01J 3502
Patent
active
041637364
ABSTRACT:
This invention describes an article which may be used at high temperatures under non-oxidizing or reducing conditions. The article comprises a core made from a refractory compound, a sheath of a platinum group metal or of an alloy based on at least obe metal of the platinum group enclosing the core and a barrier layer of magnesia intermediate the core and the sheath.
REFERENCES:
patent: 3565830 (1971-02-01), Keith et al.
patent: 3736109 (1973-05-01), Darling et al.
Acres Gary J. K.
Darling Alan S.
Johnson Matthey & Co., Limited
Shine W. J.
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