US PATENT SUBCLASS 430 / 596
.~.~ Fogged direct positive

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

495.1  DF  RADIATION SENSITIVE PRODUCT {7}
564  DF  .~ Silver compound sensitizer containing {18}
596.~.~ Fogged direct positive {1}
597  DF  .~.~.~> Identified desensitizer or electron acceptor containing

DEFINITION

Classification: 430/596

Fogged direct positive:

(under subclass 564) Products which have been fogged by addition of a fogging agent or by overall exposure to radiation so that upon imagewise exposure to radiation the density of the fog is decreased by exposure thereby resulting in a positive image.