US PATENT SUBCLASS 585 / 5
.~.~.~.~ Additive(s) aromatic

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

1  DF  PRODUCT BLEND, E.G., COMPOSITION, ETC., OR BLENDING PROCESS PER SE {5}
2  DF  .~ With nonhydrocarbon additive {1}
3  DF  .~.~ O containing {1}
4  DF  .~.~.~ And N containing {1}
5.~.~.~.~ Additive(s) aromatic

DEFINITION

Classification: 585/5

Additive(s) aromatic:

(under subclass 4) Subject matter wherein the nitrogen and/or oxygen are present in a compound containing an aromatic moiety.