US PATENT SUBCLASS 430 / 220
.~.~.~.~ Identified light absorbing, whitening, brightening, or reflecting agent other than nominal Ti02

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

199  DF  TRANSFER PROCEDURE BETWEEN IMAGE AND IMAGE LAYER, IMAGE RECEIVING LAYERS, OR ELEMENT CONTAINING AN IMAGE RECEIVING LAYER OR AN INGREDIENT FOR FORMING AN IMAGE RECEIVING LAYER {3}
202  DF  .~ Diffusion transfer process, element, or identified image receiving layers therefor {8}
211  DF  .~.~ Element or identified image receiving layers for dye image formation {1}
212  DF  .~.~.~ Element containing silver salt sensitizer or either element or image receiving layer for use therewith {8}
220.~.~.~.~ Identified light absorbing, whitening, brightening, or reflecting agent other than nominal Ti02 {1}
221  DF  .~.~.~.~.~> pH sensitive

DEFINITION

Classification: 430/220

Identified light absorbing, whitening, brightening, or reflecting agent other than nominal TiO[supscrpt]2[end supscrpt]:

(under subclass 212) Subject matter containing an identified

ingredient which functions to absorb, filter, or reflect radiation and includes whiteners or brighteners and precursors thereof other than nominal TiO[supscrpt]2[end supscrpt].