US PATENT SUBCLASS 44 / 458
.~.~ Nitrogen or sulfur containing (e.g., carbon disulfide, etc.)

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

Internet Version by PATENTEC © 1999      Terms of Use


44 /   HD   FUEL AND RELATED COMPOSITIONS

300  DF  LIQUID FUELS (EXCLUDING FUELS THAT ARE EXCLUSIVELY MIXTURES OF LIQUID HYDROCARBONS) {31}
457  DF  .~ Inorganic component (e.g., carbon dioxide, etc.) {1}
458.~.~ Nitrogen or sulfur containing (e.g., carbon disulfide, etc.)

DEFINITION

Classification: 44/458

Nitrogen or sulfur containing (e.g., carbon disulfide, etc.):

(under subclass 457) Compositions wherein the inorganic ingredient contains nitrogen or sulfur.

(1) Note. Examples of ingredients provided for herein are ammonia, sodium nitrate, hydrazine, and hydrogen persulfides.