Self-cleaning catalytic coating

Details Self-cleaning catalytic coating Self-cleaning catalytic coating

1978-06-13

1979-12-25

Dees, Carl

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252455Z, 252471, 252477R, 126 19R, 428450, B01J 2906, A21B 100

Patent

active

041804821

ABSTRACT:
A coating formed on a surface of an article, which is heated during use as typified by a cooking device, to accomplish catalytic oxidation decomposition of oil and grease spattered thereon. The coating is fundamentally a porous matrix layer of an inorganic binder having a matte surface and comprises, in the form of uniformly dispersed particles, an oxidation catalyst and a nondiscoloring material, for example a ferrite, which has the effect of concealing a change in color of the oxidation catalyst resulting from its catalytic action. Preferably the coating comprises additionally a solid acid catalyst such as a zeolite as a decomposition-inducing catalyst in order to acquire an improved catalytic self-cleaning ability at relatively low temperatures such as 200.degree.-300.degree. C.

REFERENCES:
patent: 3266477 (1966-08-01), Stiles
patent: 3547098 (1970-12-01), Lee
patent: 3587556 (1971-06-01), Moreland
patent: 3988514 (1976-10-01), Denny et al.

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