US PATENT SUBCLASS 528 / 212
.~.~ Phenolic reactant contains a single phenolic -OH group or a single inorganic phenolate 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}
212.~.~ Phenolic reactant contains a single phenolic -OH group or a single inorganic phenolate thereof {2}
214  DF  .~.~.~> Polymerizing in the presence of a specified material other than a reactant and other than Group IA or Group IIA material as sole metal atom {2}
218  DF  .~.~.~> Two or more phenolic reactants each of which contains a single -OH group or inorganic phenolate group, or with a compound containing a single ether oxygen atom bonded to two discrete aryl rings

DEFINITION

Classification: 528/212

(under subclass 86) Subject matter wherein a phenol, phenol ether, or inorganic phenolate reactant contains only one phenolic hydroxyl or one inorganic phenolate group.

(1) Note. A compound having a single phenolic hydroxyl or inorganic phenolate group may, for purposes of this subclass, contain one or more phenolic ether groups, e.g., [figure] [caption], etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

219, for a sole phenolic reactant having two or more phenolic hydroxyl or inorganic phenolate groups.