US PATENT SUBCLASS 514 / 509
.~.~ (O=)N(=O)-O-C containing (e.g., nitrate ester, etc.)

Current as of: June, 1999
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514 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

1  DF  DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29}
506  DF  .~ Ester DOAI {10}
509.~.~ (O=)N(=O)-O-C containing (e.g., nitrate ester, etc.)

DEFINITION

Classification: 514/509

(O=)N(=O)-O-C containing (e.g., nitrate ester, etc.):

(under subclass 506) Subject matter wherein the ester contains the group (O=)N(=O)-O-C.

(1) Note. This subclass contains for example: [figure] [caption], etc.