US PATENT SUBCLASS 423 / 296
.~.~.~ By reacting free hydrogen


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

276  DF  BORON OR COMPOUND THEREOF {5}
289  DF  .~ Binary compound (e.g., boride, etc.) {5}
294  DF  .~.~ Hydrogen containing {2}
296.~.~.~ By reacting free hydrogen


DEFINITION

Classification: 423/296

(under subclass 294) Processes which include the step of reacting elemental or uncombined hydrogen.