US PATENT SUBCLASS 430 / 509
.~.~ Sensitive layers differ in speed

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}
502  DF  .~ Two or more radiation-sensitive layers containing other than that characterized by the composition of a single sensitive layer {3}
509.~.~ Sensitive layers differ in speed

DEFINITION

Classification: 430/509

Sensitive layers differ in speed:

(under subclass 502) Products wherein the sensitive layers differ in sensitivity to radiation.