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
905
HYDROPHILIC 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.
