US PATENT SUBCLASS 528 / 170
.~.~ Imide-containing reactant

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}
170.~.~ Imide-containing reactant

DEFINITION

Classification: 528/170

(under subclass 86) Subject matter wherein a polymer is derived (1) from a phenol, phenol ether, or inorganic phenolate containing at least one imide group, or (2) from a phenol, phenol ether, or inorganic phenolate and an imide-containing reactant.

(1) Note. An imide for purposes of this subclass is a compound having the general formula, as shown below, wherein X is one or more. [figure]