US PATENT SUBCLASS 521 / 905
HYDROPHILIC OR HYDROPHOBIC CELLULAR PRODUCT


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

905HYDROPHILIC OR HYDROPHOBIC CELLULAR PRODUCT


DEFINITION

Classification: 521/905

HYDROPHILIC OR HYDROPHOBIC CELLULAR PRODUCT:

Subject matter involving a cellular polymer which has a specific affinity for or aversion to water, i.e., possessing hydrophilic or hydrophobic properties.