US PATENT SUBCLASS 428 / 505
.~.~.~.~ Urea or modified urea-aldehyde

Current as of: June, 1999
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428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

411.1  DF  COMPOSITE (NONSTRUCTURAL LAMINATE) {25}
500  DF  .~ Of addition polymer from unsaturated monomers {6}
501  DF  .~.~ Next to an aldehyde or ketone condensation product {3}
504  DF  .~.~.~ Amide-aldehyde {1}
505.~.~.~.~ Urea or modified urea-aldehyde

DEFINITION

Classification: 428/505

(under subclass 504) Product wherein the amide is urea or a modification thereof, (e.g., butylated urea, etc.).