US PATENT SUBCLASS 528 / 904
ISOCYANATE POLYMER HAVING STATED HYDROPHILIC OR HYDROPHOBIC PROPERTY

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

904ISOCYANATE POLYMER HAVING STATED HYDROPHILIC OR HYDROPHOBIC PROPERTY

DEFINITION

Classification: 528/904

Subject matter involving a polymer derived from at least one -N=C=X- containing reactant (X is a chalcogen atom) which has a specific affinity for or aversion to water, i.e., possessing hydrophilic or hydrophobic properties.