C22B 15/0019
Chloridizing roasting
Official title: {Chloridizing roasting (segregation C22B15/0023)}
C22B15/0019 (Chloridizing roasting) appears on 7 US grants and 5 published applications in this corpus.
Search patents in C22B- Granted patents
- 7
- Published applications
- 5
- Assignees
- 7
- Inventors
- 16
- Latest grant
- 25 Jun 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 1 | 1 |
| 2013 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for chlorinating resources containing recoverable metals25 Jun 2013US 8,470,271 B2Salt Extraction Aktiebolag
- Processing copper sulfide ores5 Mar 2013US 8,388,726 B2
- Process of recovery of base metals from oxide ores8 May 2012US 8,173,086 B2Vale S.A.
- Microwave enhancement of the segregation roast9 Jun 2009US 7,544,227 B2Cato Research Corporation
- Method for recovering the valuable metal content of contaminated copper raw material26 Aug 1986US 4,608,083 ABoliden Aktiebolag
- Processing copper sulfide ores25 Oct 2012US 2012/0266723 A1University of Education
- Process of recovery of base metals from oxide ores16 Jun 2011US 2011/0142736 A1Vale S.A.
- Process for chlorinating resources containing recoverable metals10 Mar 2011US 2011/0058997 A1Salt Extraction Aktiebolag
- Method of treating metalliferrous materials3 Mar 2011US 2011/0052481 A1CVMR Corporation
- Microwave enhancement of the segregation roast19 May 2005US 2005/0103157 A1Cato Research Corporation
Most cited
By later US patents
- Method for separating metal constituents from ocean floor nodules46US 4,042,664 ADeepsea Ventures, Inc. · 1977
- Method for separating metal constituents from ocean floor nodules7US 3,950,486 ADeepsea Ventures, Inc. · 1976
- Method for recovering the valuable metal content of contaminated copper raw material3US 4,608,083 ABoliden Aktiebolag · 1986
- Process of recovery of base metals from oxide ores2US 8,173,086 B2Vale S.A. · 2012
- Microwave enhancement of the segregation roast1US 7,544,227 B2Cato Research Corporation · 2009