US PATENT SUBCLASS 430 / 147
.~.~ Negative image prepared


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

141  DF  DIAZO REPRODUCTION, PROCESS, COMPOSITION, OR PRODUCT {7}
146  DF  .~ Diazo-type process, i.e., producing dye image by reacting the diazo or the imaged reaction product of the diazo {5}
147.~.~ Negative image prepared


DEFINITION

Classification: 430/147

Negative image prepared:

(under subclass 146) Processes wherein the image is formed in portions of the medium subject to electromagnetic radiation or in direct proportion to the amount of electromagnetic radiation received.