Description
Class C22B : PRODUCTION OR REFINING OF METALS
Subclass 1/08: Preliminary treatment of ores or scrap Roasting processes (C22B 1/16 takes precedence) Chloridising roasting
C22B 1/08
Sub-Class
Stats
- 18 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- 10 Total Patent Owners
- 95 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11938527 | Process for the purification of waste materials or industrial by-products comprising chlorine | Sep 04, 18 | Mar 26, 24 | amaTEQ Holding GmbH |
| 11850641 | Process for the purification of waste materials or industrial by-products comprising chlorine | Sep 04, 18 | Dec 26, 23 | amaTEQ Holding GmbH |
| 11447845 | Method for enriching precious metals from printed circuit board incineration ash from molten pool by circulating chlorination | Dec 21, 18 | Sep 20, 22 | Beijing University of Technology |
| 10640847 | Recovery of rare earths from concentrates containing fluorine | Jul 21, 16 | May 05, 20 | Hazen Research Inc. |
| 10486983 | Vanadium recovery method | Mar 09, 18 | Nov 26, 19 | Worcester Polytechnic Institute |
| 10326155 | Method of electrolytically assisted carbochlorination | Sep 11, 15 | Jun 18, 19 | Not available |
| 10066275 | Arc furnace smeltering system and method | May 11, 15 | Sep 04, 18 | Not available |
| 9803261 | Method for improving quality of titanium-containing feedstock | Mar 06, 14 | Oct 31, 17 | TOHO TITANIUM CO., LTD. |
| 9786940 | Chlorination of processing residues as a variable load for grid scale electrical load following and storage | Jan 18, 16 | Oct 10, 17 | Not available |
| 9194022 | Upgrading of precious metals concentrates and residues | Jun 17, 11 | Nov 24, 15 | Rustenburg Platinum Mines Limited |
| 9169534 | Recovery of base metals from sulphide ores and concentrates | Jul 23, 13 | Oct 27, 15 | VALE S.A. |
| 9163297 | Method for the integration of carbochlorination into a staged reforming operation as an alternative to direct residue oxidation for the recovery of valuable metals | Aug 07, 13 | Oct 20, 15 | BLUE SKIES RESEARCH, INC. |
| 8961649 | System and method for extracting base metal values from oxide ores | Aug 26, 08 | Feb 24, 15 | VALE CANADA LIMITED |
| 8945489 | Metal recovery process | Jan 15, 10 | Feb 03, 15 | Minex Technologies Limited |
| 7972412 | Process for recovering platinum group metals from ores and concentrates | Apr 19, 10 | Jul 05, 11 | Ressources Minieres Pro-OR Inc. |
| 5332559 | Biooxidation process for recovery of metal values from sulphur-containing ore materials | Jun 03, 92 | Jul 26, 94 | NEWMONT MININGCORPORATION |
| 5306327 | Modified native starch base binder for pelletizing mineral material | May 19, 92 | Apr 26, 94 | RANTEC CORPORATION |
| RE30488 | Method for preparing dry collected fume for use in metallurgical furnaces | May 05, 78 | Jan 20, 81 | BETHLEHEM STEEL CORPORATION |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2023/0295,765 | SUSTAINABLE METHOD FOR RECYCLING SMELTING WORKS DUSTS AND SLUDGES TO PRODUCE IRON-CONTAINING, HEAVY-METAL-DEPLETED RECLAIMED MATERIALS WITH RECOVERY OF LEAD AND ZINC | Feb 25, 21 | Sep 21, 23 | ThyssenKrupp Steel Europe AG |
| 2018/0371,577 | ARC FURNACE SMELTERING SYSTEM & METHOD | Sep 01, 18 | Dec 27, 18 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 34 Months (last 2 years Issuances)
- 34 Months (last 5 years Issuances)