US PATENT SUBCLASS 204 / 508
.~.~.~.~ Bath contains shading or coloring agent, metal oxide, free metal, or free carbon

Current as of: June, 1999
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204 /   HD   CHEMISTRY: ELECTRICAL AND WAVE ENERGY

*  DD  PROCESSES AND PRODUCTS {7}
450  DF  .~ Electrophoresis or electro-osmosis processes and electrolyte compositions therefor when not provided for elsewhere {14}
471  DF  .~.~ Coating or forming of object {13}
489  DF  .~.~.~ Using bath having designated chemical composition (DCC) {5}
508.~.~.~.~ Bath contains shading or coloring agent, metal oxide, free metal, or free carbon

DEFINITION

Classification: 204/508

Bath contains shading or coloring agent, metal oxide, free metal, or free carbon:

(under subclass 489) Process in which the bath used for coating contains a metal oxide, free metal, free carbon, or a white, black, or colored material which imparts a shade or color to the bath or resultant coating (e.g., pigment, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

496, for an anodic electrophoretic or electro-osmotic coating process using a bath containing a shading or coloring agent.

503, for a cathodic electrophoretic or electro-osmotic coating process using a bath containing a shading or coloring agent and an epoxy or epoxide.