Resources Contact Us Home
Browse by Category: Main > Material Science
Class Information
Number: 75/547
Name: Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures > Processes > Producing or treating free metal > At 300 degrees c or greater (e.g., pyrometallurgy, etc.) > Iron(fe) > Melting iron(fe) or treating molten iron > Injecting gas or nonmetalliferous liquid which gasifies into, onto, or through premelted iron(fe) or slag layer thereon > And adding solid agent, slag, or flux to premelted iron(fe) or slag layer thereon > Gas compound containing oxygen (e.g., carbon monoxide, carbon dioxide, water, etc.)
Description: Process wherein the injected gas is a compound containing Oxygen (e.g., Carbon monoxide, Carbon dioxide, Water, etc.).

Patents under this class:

Patent Number Title Of Patent Date Issued
5749939 Melting of NI laterite in making NI alloyed iron or steel May. 12, 1998
5139569 Process for the production of alloy steel grades using treatment gas consisting of CO.sub.2 Aug. 18, 1992
4891063 Process for stirring steel in a ladle with the aid of carbon dioxide Jan. 2, 1990
4762555 Process for the production of nodular cast iron Aug. 9, 1988
4561637 Process and apparatus for heating a steel bath charged with scrap Dec. 31, 1985
4490172 Method of melting and refining steel and other ferrous alloys Dec. 25, 1984
4469511 Removing phosphorus from iron Sep. 4, 1984
4214899 Method for the addition of a reactive metal to a molten metal bath Jul. 29, 1980

  Recently Added Patents
Biological information monitoring system
Communication apparatus, and method and program for controlling same
Method of producing probabilities of being a template shape
Integrated disk driving module including a stepping motor integrally formed with a base unit
Processes for producing polyunsaturated fatty acids in transgenic organisms
Providing a multi-tenant knowledge network
Luggage wheel housing with wheel
  Randomly Featured Patents
Process for producing structured protective and insulating layers
Wellhead slip and seal assembly
Landfill material
Single-ended CMOS sense amplifier
Dual tension strap retractor
Charging mask for electrophotography
Data center with free-space optical communications
Motor drive apparatus capable of accurately estimating demagnetization of permanent magnet motor
MOSFET modeling for IC design accurate for high frequencies
Heating element, fluid heating device, inkjet printhead, and print cartridge having the same and method of making the same