US PATENT SUBCLASS 568 / 43
.~.~.~.~.~.~ Oxy or halogen containing


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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {4}
18  DF  .~ SULFUR CONTAINING {9}
38  DF  .~.~ Thioethers {5}
39  DF  .~.~.~ Oxygen containing {6}
41  DF  .~.~.~.~ Carbonyl containing (e.g., aldehyde containing, etc.) {1}
42  DF  .~.~.~.~.~ Ketone containing {1}
43.~.~.~.~.~.~ Oxy or halogen containing


DEFINITION

Classification: 568/43

(under subclass 42) Compounds which contain oxy or halogen.