US PATENT SUBCLASS 430 / 931
ANTI-ULTRAVIOLET FADING

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

931ANTI-ULTRAVIOLET FADING

DEFINITION

Classification: 430/931

ANTI-ULTRAVIOLET FADING:

Art collection involving the prevention of discoloration of the product or composition.

SEE OR SEARCH THIS CLASS, SUBCLASS:

512, for radiation sensitive product having a layer for filtering ultraviolet radiation.