US PATENT SUBCLASS 522 / 901
DARK STORAGE STABILIZER

Current as of: June, 1999
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522 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

901DARK STORAGE STABILIZER

DEFINITION

Classification: 522/901

DARK STORAGE STABILIZER:

Subject matter involving the use of a material that protects in the dark a photoreactable composition from chemical change.