US PATENT SUBCLASS 525 / 902
CORE-SHELL

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

902CORE-SHELL

DEFINITION

Classification: 525/902

CORE-SHELL:

Subject matter under Class 525 involving a core-shell copolymer.