C01B 15/047
Of heavy metals
Official title: of heavy metals
C01B15/047 (Of heavy metals) appears on 43 US grants and 23 published applications in this corpus.
Search patents in C01B- Granted patents
- 43
- Published applications
- 23
- Assignees
- 41
- Inventors
- 78
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 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 | 2 | 1 |
| 2002 | 3 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 3 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 3 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems, apparatus and methods for separating actinium, radium, and thorium28 Apr 2026US 12,614,645 B2The University of British Columbia
- Systems, apparatus and methods for separating actinium, radium, and thorium24 Oct 2023US 11,798,700 B2The University of British Columbia
- Process for the formation of metal oxide nanoparticles coating of a solid substrate6 Nov 2018US 10,119,036 B2Nanyang Technological University
- Method for activating U3O8 with a view to converting same into hydrated UO423 Oct 2018US 10,106,409 B2Areva Nc
- Process for the synthesis of a mixed peroxide or hydroxo-peroxide of an actinyl and of at least one doubly, triply or quadruply charged metal cation, mixed peroxide or hydroxo-peroxide thus obtained and uses thereof17 Jul 2018US 10,026,510 B2Orano Cycle
- Uranium precipitation via ozone bubbling9 Oct 2025US 2025/0313467 A1University of Notre Dame du Lac
- Systems, apparatus and methods for separating actinium, radium, and thorium14 Dec 2023US 2023/0402200 A1The University of British Columbia
- Method of preparation of zinc-oxygen-based nanoparticles, zinc peroxide nanoparticles obtained by this method and their use5 Oct 2023US 2023/0312342 A1Nanoxo Sp. Z O.O.
- Mechanochemical oxidation method29 Jun 2023US 2023/0202843 A1University of Iowa Research Foundation
- Systems, apparatus and methods for separating actinium, radium, and thorium28 Jan 2021US 2021/0027905 A1Triumf, A Joint Venture of the Governors of the University of Alberta, the University of British
Most cited
By later US patents
- Plasma based trace metal removal apparatus and method81US 6,969,494 B2Continental Research & Engineering, LLC · 2005
- Plasma based trace metal removal apparatus and method37US 7,156,959 B2Continental Research & Engineering, LLC · 2007
- Plasma based trace metal removal apparatus37US 7,381,380 B2Continental Research & Engineering, LLC · 2008
- Method of preparing an implant body for implantation26US 5,152,993 AEllem Bioteknik AB · 1992
- Use of zinc peroxide as oxidant for explosives and pyrotechnical mixtures25US 4,363,679 ADynamit Nobel Aktiengesellschaft · 1982