Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2008-01-15
2008-01-15
McNeil, Jennifer C. (Department: 1775)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S426000, C428S446000, C428S697000, C428S913000, C428S701000
Reexamination Certificate
active
07318968
ABSTRACT:
A method for forming an elevated temperature durable coating on a surface of a substrate includes applying an aqueous slurry comprising lithium silicate, sodium silicate, potassium silicate, zirconia powder, a fibrous agent, and a magnetic powder to a surface of a substrate in one or more layers of substantially uniform thickness to form a coating. A substantially controlled humidity environment is maintained during application of the aqueous slurry and the coating is ambient dried for a period. A drying agent is applied to the coating and formation of a dry crust is prevented on the coating during ambient drying. After the period, the coating is heat cured.
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European Search Report issued for EP 03 25 6846.1, dated Jul. 11, 2005.
Null Steven J.
Willis John
Fulbright & Jaworski LLP
McNeil Jennifer C.
Northrop Grumman Corporation
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