US PATENT SUBCLASS 570 / 188
.~.~.~.~ Plural rings containing


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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
101  DF  .~ HALOGEN CONTAINING {21}
181  DF  .~.~ Product {3}
186  DF  .~.~.~ Alicyclic ring containing {2}
188.~.~.~.~ Plural rings containing


DEFINITION

Classification: 570/188

Plural rings containing:

(under subclass 186) Compound which contains two or more alicyclic rings.