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Class Information
Number: 75/628
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.) > Nonferrous > Nickel(ni)
Description: Process in which Nickel (Ni) is produced or a metal that contains over 50 percent by weight Nickel is treated.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6921497 |
Composition of matter tailoring: system I |
Jul. 26, 2005 |
| 6193941 |
Process for producing a metallurgical raw material from oil containing heavy metals |
Feb. 27, 2001 |
| 6068677 |
Method for processing waste or waste fractions, in particular car shredder light fractions |
May. 30, 2000 |
| 5993511 |
Process of preparing nickel cermet |
Nov. 30, 1999 |
| 5437705 |
Device and process for the recovery of cadmium and nickel |
Aug. 1, 1995 |
| 5346563 |
Method for removing sulfur from superalloy articles to improve their oxidation resistance |
Sep. 13, 1994 |
| 5344510 |
Method for removing sulfur from superalloy articles to improve their oxidation resistance |
Sep. 6, 1994 |
| 5336294 |
Removal of contaminants from molten metals |
Aug. 9, 1994 |
| 5261944 |
Nickel cermet, and process for preparing it |
Nov. 16, 1993 |
| 5196048 |
Process for preparing a vanadium-nickel-chromium master alloy |
Mar. 23, 1993 |
| 5190577 |
Replacement of argon with carbon dioxide in a reactor containing molten metal for the purpose of refining molten metal |
Mar. 2, 1993 |
| 5174812 |
Separation and recovery of nickel and cobalt in ammoniacal systems |
Dec. 29, 1992 |
| 5147619 |
Nickel recovery using a fluidized bed process |
Sep. 15, 1992 |
| 5102449 |
Inclusion decanting process for nickel-based superalloys and other metallic materials |
Apr. 7, 1992 |
| 4895201 |
Oxidation resistant superalloys containing low sulfur levels |
Jan. 23, 1990 |
| 4828814 |
Process for purification of solid material |
May. 9, 1989 |
| 4718939 |
Recycling superalloy scrap by vapor phase zinc embrittlement |
Jan. 12, 1988 |
| 4717419 |
Method for treating iron-bearing slags containing precious metals, particularly slags created in the smelting process of copper and nickel |
Jan. 5, 1988 |
| 4708738 |
Method for refining very small heats of molten metal |
Nov. 24, 1987 |
| 4657586 |
Submerged combustion in molten materials |
Apr. 14, 1987 |
| 4657585 |
Method for separating cobalt, nickel and the like from alloys |
Apr. 14, 1987 |
| 4652307 |
Refining and/or alloying of a 3 percent to 6 percent carbon iron, cobalt, or nickel on a molten silver surface at temperatures 1000.degree. C .degree. C. producing an iron cobalt or nickel p |
Mar. 24, 1987 |
| 4466826 |
Process for recovering metal values from alloy scraps |
Aug. 21, 1984 |
| 4456479 |
Vacuum purification of liquid metals |
Jun. 26, 1984 |
| 4435211 |
Process of blowing high-oxygen gases into a molten bath which contains non-ferrous metals |
Mar. 6, 1984 |
| 4431443 |
Methods of vacuum arc melting |
Feb. 14, 1984 |
| 4401463 |
Process for the recovery of metals from the scrap from nickel-cadmium electric storage batteries |
Aug. 30, 1983 |
| 4389247 |
Metal recovery process |
Jun. 21, 1983 |
| 4336064 |
Method of improving the performance of submerged oxygen injectors |
Jun. 22, 1982 |
| 4334976 |
Upgrading of residual oil |
Jun. 15, 1982 |
| 4290801 |
Method and installation for the cooling of reduced material such as fine grained ore |
Sep. 22, 1981 |
| 4234336 |
Method of charging a crucible |
Nov. 18, 1980 |
| 4165979 |
Flash smelting in confined space |
Aug. 28, 1979 |
| 4138249 |
Process for recovering valuable metals from superalloy scrap |
Feb. 6, 1979 |
| 4113469 |
Refining molten metal |
Sep. 12, 1978 |
| 4094666 |
Method for refining molten iron and steels |
Jun. 13, 1978 |
| 4078951 |
Method of improving fatigue life of cast nickel based superalloys and composition |
Mar. 14, 1978 |
| 4049470 |
Refining nickel base superalloys |
Sep. 20, 1977 |
| 4045215 |
Method of refining mattes containing nickel |
Aug. 30, 1977 |
| 4029495 |
Process for recovering a heavy metal catalyst component from a spent catalyst |
Jun. 14, 1977 |
| 4021233 |
Metallurgical process |
May. 3, 1977 |
| 3990888 |
Decarburization of a metal melt |
Nov. 9, 1976 |
| 3938989 |
Arsenic removal from nickel matte |
Feb. 17, 1976 |
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