US PATENT SUBCLASS 568 / 922
.~.~.~.~.~ Heavy metal or aluminum containing compound 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}
700  DF  .~.~ Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) {10}
840  DF  .~.~.~ Acyclic {16}
913  DF  .~.~.~.~ Purification or recovery {8}
922.~.~.~.~.~ Heavy metal or aluminum containing compound utilized

DEFINITION

Classification: 568/922

Heavy metal or aluminum containing compound utilized:

(under subclass 913) Processes wherein a compound containing aluminum or a metal having a specific gravity greater than 4 is employed.