US PATENT SUBCLASS 75 / 559
.~.~.~.~.~.~ Gas compound containing Oxygen (e.g., Carbon monoxide, Carbon dioxide, Water, etc.)

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

Internet Version by PATENTEC © 1999      Terms of Use


75 /   HD   SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWDER COMPOSITIONS, AND LOOSE METAL PARTICULATE MIXTURES

330  DF  PROCESSES {9}
392  DF  .~ Producing or treating free metal {10}
414  DF  .~.~ At 300 degrees C or greater (e.g., pyrometallurgy, etc.) {7}
433  DF  .~.~.~ Iron(Fe) {18}
507  DF  .~.~.~.~ Melting Iron(Fe) or treating molten Iron {12}
528  DF  .~.~.~.~.~ Injecting gas or nonmetalliferous liquid which gasifies into, onto, or through premelted Iron(Fe) or slag layer thereon {5}
559.~.~.~.~.~.~ Gas compound containing Oxygen (e.g., Carbon monoxide, Carbon dioxide, Water, etc.)

DEFINITION

Classification: 75/559

Gas compound containing Oxygen (e.g., Carbon monoxide, Carbon dioxide, Water, etc.):

(under subclass 528) Process wherein the injected gas is a compound containing Oxygen (e.g., Carbon monoxide, Carbon dioxide, Water, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

540, or 548, for processes using gaseous compositions containing Oxygen gas such as air or Oxygen gas enriched gas compositions.