US PATENT SUBCLASS 568 / 481
.~.~.~.~.~.~.~.~ Selenium or tellurium 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}
420  DF  .~.~ Aldehydes {8}
448  DF  .~.~.~ Acyclic {4}
449  DF  .~.~.~.~ Processes {14}
470  DF  .~.~.~.~.~ Oxidation of organic compound utilizing gaseous oxygen {2}
475  DF  .~.~.~.~.~.~ Acyclic hydrocarbon reactant {2}
476  DF  .~.~.~.~.~.~.~ Carbon to carbon unsaturation in the reactant and in the aldehyde prepared {4}
481.~.~.~.~.~.~.~.~ Selenium or tellurium containing material utilized

DEFINITION

Classification: 568/481

(under subclass 476) Processes wherein the compound is prepared by utilizing a material containing selenium or tellurium in any way, e.g., as a reactant, catalyst, solvent, etc.