US PATENT SUBCLASS 430 / 519
.~.~.~ Azo

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


430 /   HD   RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF

495.1  DF  RADIATION SENSITIVE PRODUCT {7}
510  DF  .~ Antihalation or filter layer containing {4}
517  DF  .~.~ Organic dye or pigment containing {5}
519.~.~.~ Azo

DEFINITION

Classification: 430/519

Azo:

(under subclass 517) Subject matter wherein the organic dye or pigment contains the -N=N- group bonded to two different carbon atoms, which atoms are in direct organic radicals not bonded together by other covalent bonds.