US PATENT SUBCLASS 568 / 20
.~.~ Thiocarbonyl containing (e.g., thioketone containing, etc.)

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}
20.~.~ Thiocarbonyl containing (e.g., thioketone containing, etc.)

DEFINITION

Classification: 568/20

(under subclass 18) Compounds which contain a