US PATENT SUBCLASS 430 / 270.19
.~.~.~.~.~.~ And containing quencher or stabilizer


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

269  DF  IMAGING AFFECTING PHYSICAL PROPERTY OF RADIATION SENSITIVE MATERIAL, OR PRODUCING NONPLANAR OR PRINTING SURFACE - PROCESS, COMPOSITION, OR PRODUCT {17}
270.1  DF  .~ Radiation sensitive composition or product or process of making {5}
270.11  DF  .~.~ Optical recording nonstructural layered product having a radiation sensitive composition layer claimed or solely disclosed as optically reorderable and optically machine readable {2}
270.14  DF  .~.~.~ Having read-write layer of 100 per cent organic or organometallic composition or mixtures thereof {1}
270.15  DF  .~.~.~.~ Containing nonpolymeric chromophore {2}
270.18  DF  .~.~.~.~.~ Having methine linkage {2}
270.19.~.~.~.~.~.~ And containing quencher or stabilizer


DEFINITION

Classification: 430/270.19

And containing quencher or stabilizer:

(under subclass 270.18) Subject matter wherein, in addition to the non-polymeric chromophore, the radiation sensitive composition containing layer contains material which prevents fading or degradation thereof.