US PATENT SUBCLASS 585 / 624
.~.~.~.~.~ With metal oxide or hydroxide extraneous agent

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

500  DF  UNSATURATED COMPOUND SYNTHESIS {14}
601  DF  .~ Diolefin product {4}
616  DF  .~.~ By dehydrogenation {3}
617  DF  .~.~.~ Using nonhydrocarbon acceptor {2}
621  DF  .~.~.~.~ Elemental O acceptor {2}
624.~.~.~.~.~ With metal oxide or hydroxide extraneous agent {2}
625  DF  .~.~.~.~.~.~> Ferrite
626  DF  .~.~.~.~.~.~> Oxide of As, Bi, or Sb

DEFINITION

Classification: 585/624

With metal oxide or hydroxide extraneous agent:

(under subclass 621) Subject matter wherein the process employs an extraneous agent, that is, a material which does not supply atoms to the final product or by-product, which contains metal in the form of an oxide or hydroxide.