US PATENT SUBCLASS 536 / 18.1
.~.~.~ Polycyclo ring system (e.g., hellebrin, 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}
18.1.~.~.~ Polycyclo ring system (e.g., hellebrin, etc.)

DEFINITION

Classification: 536/18.1

Polycyclo ring system (e.g., hellebrin, etc.):

(under subclass 4.1) Compounds which contain a polycyclo ring system.