C22B 34/1231
Treatment or purification of titanium containing products obtained by dry processes
Official title: {treatment or purification of titanium containing products obtained by dry processes, e.g. condensation}
C22B34/1231 (Treatment or purification of titanium containing products obtained by dry processes) appears on 31 US grants and 19 published applications in this corpus.
Search patents in C22B- Granted patents
- 31
- Published applications
- 19
- Assignees
- 18
- Inventors
- 78
- Latest grant
- 4 Jan 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 5 |
| 2013 | 0 | 0 |
| 2014 | 4 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for recovering transition metal tetrahalide and hydrocarbons from a waste stream4 Jan 2022US 11,213,765 B2Borealis AG
- Method for recovering transition metal tetrahalide and hydrocarbons from a waste stream6 Aug 2019US 10,369,491 B2Borealis AG
- Process for manufacturing aluminum from bauxite or its residue20 Feb 2018US 9,896,775 B2
- Treatment of titanium ores10 Nov 2015US 9,181,604 B2Chinuka Limited
- Titanium bearing material flow control in the manufacture of titanium tetrachloride using a combination of feedback and feed forward responses24 Jun 2014US 8,759,107 B2
- Method for recovering transition metal tetrahalide and hydrocarbons from a waste stream21 Nov 2019US 2019/0351346 A1Borealis AG
- Treatment of titanium ores8 Sep 2016US 2016/0258074 A1
- Treatment of titanium ores14 Jan 2016US 2016/0010232 A1Chinuka Limited
- Process for manufacturing aluminium from bauxite or its residue29 Jan 2015US 2015/0027902 A1
- Method for recovering transition metal tetrahalide and hydrocarbons from a waste stream13 Feb 2014US 2014/0042010 A1Borealis AG
Most cited
By later US patents
- Low cost titanium production44US 5,503,655 AOrbit Technologies, Inc. · 1996
- Selectively recovering metal chlorides from gaseous effluent16US 4,066,424 AE. I. Du Pont de Nemours and Company · 1978
- Process for making titanium dioxide12US 7,182,931 B2Tronox LLC · 2007
- Production of synthetic rutile10US 5,427,749 AWimmera Industrial Minerals Pty. Ltd. · 1995
- Process for increasing the yield in the manufacture of titanium dioxide by the chloride process9US 6,399,033 B1Kronos, Inc. · 2002