US PATENT SUBCLASS 428 / 473.5
.~ Of polyimide

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

411.1  DF  COMPOSITE (NONSTRUCTURAL LAMINATE) {25}
473.5.~ Of polyimide

DEFINITION

Classification: 428/473.5

Of polyimide:

(under subclass 411.1) Product in which a layer contains a polymer having an imide group, as illustrated below, in the polymer chain. [figure]