US PATENT SUBCLASS 528 / 165
.~.~.~ Aldehyde or derivative is sole coreactant

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}
129  DF  .~.~ With aldehyde or derivative {18}
165.~.~.~ Aldehyde or derivative is sole coreactant

DEFINITION

Classification: 528/165

(under subclass 129) Subject matter wherein the sole reactants are a phenol or inorganic phenolate and an aldehyde or derivative.

SEE OR SEARCH THIS CLASS, SUBCLASS:

155, for a polymer from two or more phenolic reactants and at least one aldehyde or derivative.

156, for a polymer from a single phenolic reactant and two or more aldehydes or derivatives.