US PATENT SUBCLASS 427 / 255.21
.~.~ Base includes inorganic metal containing compound

Current as of: June, 1999
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427 /   HD   COATING PROCESSES

248.1  DF  COATING BY VAPOR, GAS, OR SMOKE {9}
255.11  DF  .~ Base includes an inorganic compound containing silicon or metal (e.g., glass, ceramic, brick, etc.) {7}
255.21.~.~ Base includes inorganic metal containing compound {1}
255.22  DF  .~.~.~> Iron compound containing base (e.g., ferric oxide, etc.)

DEFINITION

Classification: 427/255.21

Base includes inorganic metal compound:

(under subclass 255.11) Process wherein the base contains an inorganic metal compound.

SEE OR SEARCH CLASS

260, Chemistry of Carbon Compounds, the class definition for the definition of an "organic compound." All compounds not encompassed by this definition are considered inorganic.