US PATENT SUBCLASS 430 / 107
.~.~.~.~ Dry powder

Current as of: June, 1999
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430 /   HD   RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF

31  DF  ELECTRIC OR MAGNETIC IMAGERY, E.G., XEROGRAPHY, ELECTROGRAPHY, MAGNETOGRAPHY, ETC., PROCESS, COMPOSITION, OR PRODUCT {18}
97  DF  .~ Post imaging process, finishing, or perfecting composition or product {12}
104  DF  .~.~ Finishing or perfecting composition or product {1}
105  DF  .~.~.~ Developing composition or product {4}
107.~.~.~.~ Dry powder {4}
108  DF  .~.~.~.~.~> Identified carrier
109  DF  .~.~.~.~.~> Identified toner
110  DF  .~.~.~.~.~> Identified adjuvant, i.e., charge control agent, etc.
111  DF  .~.~.~.~.~> Identified structure, i.e., size, shape of carrier or toner particle, etc.

DEFINITION

Classification: 430/107

Dry powder:

(under subclass 105) Subject matter wherein the composition or product is in a dry powder form.

SEE OR SEARCH THIS CLASS, SUBCLASS:

106.6, for a dry powder developer which contains a magnetic active component or iron.