US PATENT SUBCLASS 528 / 219
.~.~ Phenolic reactant contains two or more phenolic -OH groups, or two or more inorganic phenolate groups, or mixtures thereof

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {23}
86  DF  .~ FROM PHENOL, PHENOL ETHER, OR INORGANIC PHENOLATE {15}
219.~.~ Phenolic reactant contains two or more phenolic -OH groups, or two or more inorganic phenolate groups, or mixtures thereof

DEFINITION

Classification: 528/219

(under subclass 86) Subject matter wherein a phenol, phenol ether, or inorganic phenolate contains two or more phenolic hydroxyl groups, or is an inorganic phenolate thereof, or contains at least one phenolic hydroxyl group and at least one inorganic phenolate group.