US PATENT SUBCLASS 521 / 902
CELLULAR POLYMER CONTAINING AN ISOCYANURATE STRUCTURE


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

902CELLULAR POLYMER CONTAINING AN ISOCYANURATE STRUCTURE


DEFINITION

Classification: 521/902

CELLULAR POLYMER CONTAINING AN ISOCYANURATE STRUCTURE:

Subject matter involving cellular products containing the isocyanurate structure, i.e.,