US PATENT SUBCLASS 536 / 6
.~.~.~.~ Oxygen containing six-membered hetero ring (e.g., oxathiane, etc.)

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1.11  DF  .~ Carbohydrates or derivatives {15}
4.1  DF  .~.~ O- or S- Glycosides {29}
5  DF  .~.~.~ Cyclopentanohydrophenanthrene ring system {2}
6.~.~.~.~ Oxygen containing six-membered hetero ring (e.g., oxathiane, etc.)

DEFINITION

Classification: 536/6

(under subclass 5) Compounds wherein a six- membered hetero-O-cyclic substituent is connected directly to a carbon atom of the cyclopentanohydrophenathrene nucleus.