US PATENT SUBCLASS 585 / 933
.~.~ N-containing

Current as of: June, 1999
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585 /   HD   CHEMISTRY OF HYDROCARBON COMPOUNDS

*  DD  SPECIAL CHEMICAL CONSIDERATIONS {9}
930  DF  .~ Process including synthesis of nonhydrocarbon intermediate {5}
933.~.~ N-containing

DEFINITION

Classification: 585/933

N-containing:

(under subclass 930) Subject matter wherein the intermediate contains nitrogen.