US PATENT SUBCLASS 585 / 669
.~.~ Using halogen-containing catalyst


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}
664  DF  .~ By double-bond-shift isomerization {6}
669.~.~ Using halogen-containing catalyst


DEFINITION

Classification: 585/669

Using halogen-containing catalyst:

(under subclass 664) Subject matter wherein the reaction employs a catalyst containing fluorine, chlorine, bromine, or iodine in elemental or combined form.