US PATENT SUBCLASS 252 / 186.4
.~.~.~ Oxygen heterocycle

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

Internet Version by PATENTEC © 1999      Terms of Use


252 /   HD   COMPOSITIONS

186.1  DF  OXIDATIVE BLEACHANT, OXIDANT CONTAINING, OR GENERATIVE {9}
186.38  DF  .~ Contains activator admixed with inorganic peroxide {2}
186.39  DF  .~.~ Contains heterocyclic compound {1}
186.4.~.~.~ Oxygen heterocycle

DEFINITION

Classification: 252/186.4

Oxygen heterocycle:

(under subclass 186.39) Composition which contains an oxygen heterocycle, e.g., a composition comprised of sodium perborate and beta-propiolactone, etc.