US PATENT SUBCLASS 514 / 169
.~ Cyclopentanohydrophenanthrene ring system DOAI

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.~ Cyclopentanohydrophenanthrene ring system DOAI {5}
170  DF  .~.~> Plural Compounds containing cyclopentanohydrophenanthrene ring systems
171  DF  .~.~> With additional active ingredient
172  DF  .~.~> Hetero ring containing {4}
177  DF  .~.~> Oxygen double bonded to a ring carbon of the cyclopentanohydrophenanthrene ring system {1}
182  DF  .~.~> Oxygen single bonded to a ring carbon of the cyclopentanohydrophenanthrene ring system

DEFINITION

Classification: 514/169

Cyclopentanohydrophenanthrene ring system DOAI:

(under subclass 1) Subject matter wherein the organic active ingredient has the cyclopentanohydrophenanthrene nucleus, illustrated below, and may contain double bond between its members. [figure]

(1) Note. Included herein is lanolin as the active ingredient.