US PATENT SUBCLASS 514 / 182
.~.~ Oxygen single bonded to a ring carbon of the cyclopentanohydrophenanthrene ring system

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}
169  DF  .~ Cyclopentanohydrophenanthrene ring system DOAI {5}
182.~.~ Oxygen single bonded to a ring carbon of the cyclopentanohydrophenanthrene ring system

DEFINITION

Classification: 514/182

Oxygen singly bonded to a ring carbon of the cyclopentanohydrophenanthrene ring system:

(under subclass 169) Subject matter wherein a nuclear carbon of the cyclopentanohydrophenanthrene nucleus is bonded to an oxygen through a single bond [figure] [caption]Cholestrol.