US PATENT SUBCLASS 205 / 203
.~.~.~.~ Sealing


Current as of: June, 1999
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205 /   HD   ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS

80  DF  ELECTROLYTIC COATING (PROCESS, COMPOSITION AND METHOD OF PREPARING COMPOSITION) {42}
198  DF  .~ Forming nonelectrolytic coating after forming nonmetal electrolytic coating {1}
199  DF  .~.~ Electrolytic coating is oxygen-containing (e.g., chromate, silicate, oxide formed by anodizing, etc.) {2}
201  DF  .~.~.~ Predominantly aluminum substrate {2}
203.~.~.~.~ Sealing {1}
204  DF  .~.~.~.~.~> Sealing agent includes organic constituent


DEFINITION

Classification: 205/203

Sealing:

(under subclass 201) Subject matter wherein the oxide-containing coating on the aluminum substrate is sealed by the incorporation of material into the oxide-containing coating by a nonelectrolytic coating process.

(1) Note. Sealing by subjecting the substrate to an aqueous environment at an elevated temperature is included herein.