US PATENT SUBCLASS 205 / 319
.~.~ Chromium-containing coating (e.g., chromate, etc.)

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}
316  DF  .~ Forming nonmetal coating {8}
319.~.~ Chromium-containing coating (e.g., chromate, etc.)

DEFINITION

Classification: 205/319

Chromium-containing coating (e.g., chromate, etc.):

(under subclass 316) Subject matter wherein the nonmetal containing coating comprises chromium as an essential constituent thereof.