US PATENT SUBCLASS 552 / 550
.~.~.~.~ Halogen, nitrogen, or sulfur containing (e.g., glycocholic acids, taurocholic acids, etc.)


Current as of: June, 1999
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552 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, subclass 1) {11}
502  DF  .~ Cyclopentanohydrophenanthrene ring system containing {21}
548  DF  .~.~ Carbon bonded directly at the 17 beta-position of the cyclopentanohydrophenanthrene ring system is a member of an acyclic chain of five uninterrupted carbons (e.g., choladienes, cholanic acids, etc.) stocks, yeast, molds, etc.) {3}
549  DF  .~.~.~ Oxygen bonded directly at the 12-position (e.g., cholic acids, desoxycholic acids, dehydrocholic acids, etc.) {1}
550.~.~.~.~ Halogen, nitrogen, or sulfur containing (e.g., glycocholic acids, taurocholic acids, etc.)


DEFINITION

Classification: 552/550

(under subclass 549) Compounds which contain halogen, nitrogen or sulfur.