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Class Information
Number: 75/643
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 > Copper(cu) > Reduction > Treating matte or sulfide
Description: Process in which a Copper (Cu) matte or sulfide is treated to produce Copper.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6843827 |
Method of smelting copper sulfide concentrate |
Jan. 18, 2005 |
| 6416565 |
Method for smelting copper sulfide concentrate |
Jul. 9, 2002 |
| 6231641 |
Enhanced phase interaction at the interface of molten slag and blister copper, and an apparatus for promoting same |
May. 15, 2001 |
| 6210463 |
Process and apparatus for the continuous refining of blister copper |
Apr. 3, 2001 |
| 6042632 |
Method of moderating temperature peaks in and/or increasing throughput of a continuous, top-blown copper converting furnace |
Mar. 28, 2000 |
| RE36598 |
Apparatus and process for the production of fire-refined blister copper |
Mar. 7, 2000 |
| 5888270 |
Copper converting |
Mar. 30, 1999 |
| 5607495 |
Oxygen smelting of copper or nickel sulfides |
Mar. 4, 1997 |
| 5574956 |
Method and apparatus for treatment sulphidic concentrates |
Nov. 12, 1996 |
| 5458672 |
Combustion of sulfur released from sulfur bearing materials |
Oct. 17, 1995 |
| 5435833 |
Process to convert non-ferrous metal such as copper or nickel by oxygen enrichment |
Jul. 25, 1995 |
| 5380353 |
Copper smelting apparatus |
Jan. 10, 1995 |
| 5374298 |
Copper smelting process |
Dec. 20, 1994 |
| 5180423 |
Converter and method for top blowing nonferrous metal |
Jan. 19, 1993 |
| 5180422 |
Copper smelting process |
Jan. 19, 1993 |
| 5074910 |
Process for recovering precious metals from sulfide ores |
Dec. 24, 1991 |
| 4895595 |
Direct smelting process for non-ferrous metal sulfide ores |
Jan. 23, 1990 |
| 4830667 |
Pyrometallurgical copper refining |
May. 16, 1989 |
| 4814004 |
Non-ferrous metal recovery |
Mar. 21, 1989 |
| 4707185 |
Method of treating the slag from a copper converter |
Nov. 17, 1987 |
| 4645186 |
Apparatus for processing sulphide concentrates and sulphide ores into raw material |
Feb. 24, 1987 |
| 4615729 |
Flash smelting process |
Oct. 7, 1986 |
| 4614541 |
Method of continuous metallurgical processing of copper-lead matte |
Sep. 30, 1986 |
| 4614542 |
Method of operating a copper converter |
Sep. 30, 1986 |
| RE32234 |
Non-ferrous metal treatment |
Aug. 26, 1986 |
| 4608083 |
Method for recovering the valuable metal content of contaminated copper raw material |
Aug. 26, 1986 |
| 4599108 |
Method for processing sulphide concentrates and sulphide ores into raw material |
Jul. 8, 1986 |
| 4544141 |
Process and apparatus for continuous converting of copper and non-ferrous mattes |
Oct. 1, 1985 |
| 4528033 |
Method for producing blister copper |
Jul. 9, 1985 |
| 4504309 |
Process and apparatus for continuous converting of copper and non-ferrous mattes |
Mar. 12, 1985 |
| 4451291 |
Method and apparatus for converting matte, particularly high-grade matte |
May. 29, 1984 |
| 4415356 |
Process for autogenous oxygen smelting of sulfide materials containing base metals |
Nov. 15, 1983 |
| 4396181 |
Converter for refining liquid metal |
Aug. 2, 1983 |
| 4388110 |
Method for recovering the metal content of complex sulphidic metal raw materials |
Jun. 14, 1983 |
| 4362561 |
Method for the smelting of material such as ore concentrates |
Dec. 7, 1982 |
| 4356030 |
Safe disposal of metal values in slag |
Oct. 26, 1982 |
| 4337086 |
Method for decreasing metal losses in nonferrous smelting operations |
Jun. 29, 1982 |
| 4334918 |
Method of recovering non-ferrous metals from their sulphide ores |
Jun. 15, 1982 |
| 4315774 |
Method of safely injecting oxygen reactive materials into a submerged oxygen gas stream |
Feb. 16, 1982 |
| 4308058 |
Process for the oxidation of molten low-iron metal matte to produce raw metal |
Dec. 29, 1981 |
| 4300949 |
Method for treating sulfide raw materials |
Nov. 17, 1981 |
| 4243411 |
Reduction of metal sulfides |
Jan. 6, 1981 |
| 4238228 |
Non-ferrous metal treatment |
Dec. 9, 1980 |
| 4236700 |
Device for suspension smelting of finely-divided _oxide and/or sulfide ores and concentrates |
Dec. 2, 1980 |
| 4211556 |
Reverberatory smelting of non-ferrous metal sulfide ores |
Jul. 8, 1980 |
| 4171216 |
Process for refining non-ferrous matte |
Oct. 16, 1979 |
| 4162915 |
Process for treating lead-copper-sulphur charges |
Jul. 31, 1979 |
| 4140521 |
Method of continuously converting metallurgical melts |
Feb. 20, 1979 |
| 4072507 |
Production of blister copper in a rotary furnace from calcined copper-iron concentrates |
Feb. 7, 1978 |
| 4036636 |
Pyrometallurgical process for smelting nickel and nickel-copper concentrates including slag treatment |
Jul. 19, 1977 |
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