US PATENT SUBCLASS 570 / 130
.~.~.~.~ Plural carbocyclic 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}
123  DF  .~.~ Fluorine containing {21}
124  DF  .~.~.~ Product {7}
130.~.~.~.~ Plural carbocyclic rings containing


DEFINITION

Classification: 570/130

Plural carbocyclic rings containing:

(under subclass 124) Compound which contains two or more carbocyclic rings.

SEE OR SEARCH CLASS

552, Organic Compounds,

653, for fluorinated derivatives of Vitamin D compounds, cholecalciferols, activated 7-dehyrocholesterols, dihydrotachysterols, 3-5 cyclovitamin D compounds, etc.