US PATENT SUBCLASS 568 / 37-- .~.~.~ Carbonyl or oxy containing (e.g., ketone containing, etc.)

US PATENT SUBCLASS 568 / 37
.~.~.~ Carbonyl or oxy containing (e.g., ketone containing, etc.)

568 /	HD	ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*	DD	ORGANIC COMPOUNDS (Class 532, Subclass 1) {4}
18	DF	.~ SULFUR CONTAINING {9}
27	DF	.~.~ Oxygen bonded directly to sulfur (e.g., sulfoxides, etc.) {3}
37		.~.~.~ Carbonyl or oxy containing (e.g., ketone containing, etc.)

Classification: 568/37

(under subclass 27) Compounds which contain a