US PATENT SUBCLASS 585 / 408
.~.~ Nonhydrocarbon feed

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


585 /   HD   CHEMISTRY OF HYDROCARBON COMPOUNDS

400  DF  AROMATIC COMPOUND SYNTHESIS {15}
407  DF  .~ By ring formation from nonring moiety, e.g., aromatization, etc. {7}
408.~.~ Nonhydrocarbon feed {1}
409  DF  .~.~.~> Aromatic or carbonyl-containing reactant

DEFINITION

Classification: 585/408

Nonhydrocarbon feed:

(under subclass 407) Subject matter where the starting material contains at least one element other than carbon and hydrogen, e.g., chlorine, oxygen, etc.