C22B 17/06
Refining
C22B17/06 (Refining) appears on 9 US grants and 3 published applications in this corpus.
Search patents in C22B- Granted patents
- 9
- Published applications
- 3
- Assignees
- 6
- Inventors
- 11
- Latest grant
- 23 Aug 2005
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 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 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for enhanced purification of high-purity metals23 Aug 2005US 6,932,852 B2Dowa Mining Co., Ltd.
- Apparatus for enhanced purification of high-purity metals19 Oct 2004US 6,805,833 B2Dowa Mining Co., Ltd.
- Extraction of impurities from structures containing mercury, cadmium, zinc, or tellurium, and impurities4 Feb 2003US 6,514,457 B1Raytheon Company
- Method of forming stoichiometric II-VI compounds of high purity27 Mar 1990US 4,911,905 ATexas Instruments Incorporated
- Solids refining apparatus19 Jan 1988US 4,720,373 AResearch Corporation
- Method and apparatus for enhanced purification of high-purity metals6 May 2004US 2004/0083854 A1Dowa Mining Co., Ltd.
- Apparatus for enhanced purification of high-purity metals14 Aug 2003US 2003/0150293 A1Dowa Mining Co., Ltd.
- Method and apparatus for enhanced purification of high-purity metals7 Aug 2003US 2003/0145683 A1Dowa Mining Co., Ltd.
Most cited
By later US patents
- Method of forming stoichiometric II-VI compounds of high purity10US 4,911,905 ATexas Instruments Incorporated · 1990
- Apparatus for enhanced purification of high-purity metals8US 6,805,833 B2Dowa Mining Co., Ltd. · 2004
- Solids refining process3US 4,584,054 AResearch Corporation · 1986
- Method and apparatus of refining crude cadmium2US 4,077,799 APreussag Aktiengesellschaft Metall · 1978
- Purification of Cd and Te by zone refining2US 4,690,725 ACominco Ltd. · 1987