Protective coatings and coating compositions
AssigneeShellBond LLC
InventorNorman V. Filbert
Life of this patent
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Abstract
A protective coating on a metal surface comprises a particulate material produced by a method including heating an animal skeletal material to a temperature of at least 1000° C. for a time sufficient to convert at least part of the calcium carbonate in the skeletal material to calcium oxide and produce a calcined product; and then contacting at least part of the calcined product with water to produce the particulate material containing calcium hydrate.
Claims7
A protective coating composition for metallic surfaces, the coating composition comprising a film-forming binder system having dispersed therein, as a corrosion-inhibiting agent and/or an anti-oxidant, a particulate material produced by a method including:
- (a) heating an animal skeletal material to a temperature of at least 1000° C. to convert at least part of the calcium carbonate in the skeletal material to calcium oxide and produce a calcined product;
- and
- (b) contacting at least part of said calcined product with water to produce the particulate material containing calcium hydrate.
Dependencies are inferred from the claim text.