Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Norman V. Filbert0
Date of Patent
March 22, 2011
0Patent Application Number
121281360
Date Filed
May 28, 2008
0Patent Primary Examiner
Patent 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.
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