US PATENT SUBCLASS 423 / 519
.~.~ Bisulfite

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.~.~ Bisulfite

DEFINITION

Classification: 423/519

(under subclass 512.1) Products or processes wherein the compound contains the bisulfite or acid sulfite radical (HSO3[supscrpt]-[end supscrpt]).