US PATENT SUBCLASS 523 / 147
.~.~.~.~ With or derived from organic hydroxyl group containing material containing eight or more carbon atoms

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
1  DF  .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF {71}
139  DF  .~.~ Composition related to metal foundry molding or metallurgical furnace or process of preparing {6}
145  DF  .~.~.~ Phenolic or amine or ketone condensate with aldehyde {2}
147.~.~.~.~ With or derived from organic hydroxyl group containing material containing eight or more carbon atoms

DEFINITION

Classification: 523/147

With or derived from organic hydroxy group containing material containing eight or more carbon atoms:

(under subclass 145) Subject matter wherein the composition contains or reacts with an organic hydroxyl group containing material having more than seven carbon atoms.

(1) Note. A composition for foundry molds wherein the resin binder is the reaction product or phenol, formaldehyde, and sucrose would be classified herein.