US PATENT SUBCLASS 423 / 575
.~.~.~.~.~ Utilizing organic solvent or absorbent

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}
567.1  DF  .~ Elemental sulfur {5}
571  DF  .~.~ Reacting a sulfide {3}
573.1  DF  .~.~.~ Hydrogen sulfide {4}
574.1  DF  .~.~.~.~ With sulfur dioxide {3}
575.~.~.~.~.~ Utilizing organic solvent or absorbent

DEFINITION

Classification: 423/575

(under subclass 574.1) Processes including the step of utilizing an organic compound as a solvent or abosorbent.

(1) Note. See (1) Note in subclass 226 for the structural requirements of an organic material.