US PATENT SUBCLASS 568 / 351
.~.~.~.~.~ Nitrogen containing material utilized

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}
300  DF  .~ OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) {11}
303  DF  .~.~ Ketones {10}
338  DF  .~.~.~ Processes of preparing, purifying, or recovering alicyclic ring containing ketones {10}
343  DF  .~.~.~.~ Aldehyde or ketone reactant {10}
351.~.~.~.~.~ Nitrogen containing material utilized

DEFINITION

Classification: 568/351

(under subclass 343) Processes wherein the compound is prepared from an aldehyde or ketone utilizing a material containing nitrogen in any way, e.g., as a reactant, catalyst, solvent, etc.