US PATENT SUBCLASS 428 / 64.7
.~.~.~ Polycarbonate containing


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

64.1  DF  CIRCULAR SHEET OR CIRCULAR BLANK {8}
64.2  DF  .~ Recording medium or carrier {5}
64.4  DF  .~.~ Optical recording medium or carrier {5}
64.7.~.~.~ Polycarbonate containing


DEFINITION

Classification: 428/64.7

Polycarbonate containing:

(under subclass 64.4) Subject matter wherein the recording medium or carrier contains linear polyesters containing plural carbonic acid ester groups.