US PATENT SUBCLASS 536 / 109
.~.~.~.~ Phosphorus or sulfur 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}
102  DF  .~.~ Starch or derivative {6}
107  DF  .~.~.~ Esters {3}
109.~.~.~.~ Phosphorus or sulfur containing

DEFINITION

Classification: 536/109

(under subclass 107) Compounds which include phosphorus or sulfer.