US PATENT SUBCLASS 536 / 117
.~.~.~ Phosphorus containing


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}
115  DF  .~.~ Esters {4}
117.~.~.~ Phosphorus containing


DEFINITION

Classification: 536/117

(under subclass 115) Compounds which include phosphorus.