US PATENT SUBCLASS 430 / 920
.~.~.~.~ Nitrogen in heterocyclic ring


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

*  DD  IMAGING AFFECTING PHYSICAL PROPERTY OR RADIATION SENSITIVE MATERIAL, OR PRODUCING NONPLANAR OR PRINTING SURFACE - PROCESS, COMPOSITION, OR PRODUCT {1}
*  DD  .~ Radiation sensitive composition or product or process of making {4}
913  DF  .~.~ Initiator containing {8}
919  DF  .~.~.~ Nitrogen compound containing {1}
920.~.~.~.~ Nitrogen in heterocyclic ring


DEFINITION

Classification: 430/920

Nitrogen in heterocyclic ring:

Art collection involving a free radical initiator compound containing nitrogen as a part of a heterocyclic ring.