US PATENT SUBCLASS 430 / 370
.~.~ Toning

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

357  DF  COLOR IMAGING PROCESS {11}
367  DF  .~ Chromatic image produced from achromatic reproduction image {3}
370.~.~ Toning

DEFINITION

Classification: 430/370

Toning:

(under subclass 367) Processes for producing the chromatic image by reacting a metal or metal salt achromatic image with an inorganic colorant.

SEE OR SEARCH THIS CLASS, SUBCLASS:

248, for toning a silver image formed by diffusion transfer.

367, for toning a metal image with an organic colorant.