US PATENT SUBCLASS 423 / 519.2
.~.~ Sulfite

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

Internet Version by PATENTEC © 1999      Terms of Use


423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

511  DF  SULFUR OR COMPOUND THEREOF {4}
512.1  DF  .~ Oxygen containing {11}
519.2.~.~ Sulfite {1}
520  DF  .~.~.~> Bisulfate

DEFINITION

Classification: 423/519.2

Sulfite:

(under subclass 512.1) Products and processes wherein the compound is a sulfite; i.e., includes a (SO3[end subscrpt][supscrpt]2-[end supscrpt]) radical.