US PATENT SUBCLASS 430 / 512
.~.~ Filters ultraviolet radiation

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}
512.~.~ Filters ultraviolet radiation

DEFINITION

Classification: 430/512

Filters ultraviolet radiation:

(under subclass 510) Subject matter containing a layer which selectively blocks the passage of radiation in the ultraviolet portion of the spectrum.