US PATENT SUBCLASS 423 / 428
.~.~.~.~ By reacting sulfur containing compound


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

414  DF  CARBON OR COMPOUND THEREOF {3}
415.1  DF  .~ Oxygen containing {5}
419.1  DF  .~.~ Carbonate or bicarbonate {5}
421  DF  .~.~.~ Alkali metal containing (Li, Na, K, Rb, or Cs) {5}
428.~.~.~.~ By reacting sulfur containing compound


DEFINITION

Classification: 423/428

(under subclass 421) Processes which include the step of reacting a compound containing sulfur.