US PATENT SUBCLASS 525 / 907
POLYCARBODIIMIDE

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

907POLYCARBODIIMIDE

DEFINITION

Classification: 525/907

POLYCARBODIIMIDE:

Subject matter under Class 525 involving a polycarbodiimide polymer.