C02F 2101/106
Selenium compounds
Official title: {Selenium compounds}
C02F2101/106 (Selenium compounds) appears on 176 US grants and 304 published applications in this corpus.
Search patents in C02F- Granted patents
- 176
- Published applications
- 304
- Assignees
- 175
- Inventors
- 630
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 2 | 8 |
| 2011 | 4 | 15 |
| 2012 | 4 | 15 |
| 2013 | 5 | 14 |
| 2014 | 4 | 19 |
| 2015 | 9 | 24 |
| 2016 | 10 | 33 |
| 2017 | 9 | 26 |
| 2018 | 20 | 20 |
| 2019 | 19 | 30 |
| 2020 | 16 | 19 |
| 2021 | 17 | 14 |
| 2022 | 15 | 18 |
| 2023 | 11 | 10 |
| 2024 | 8 | 10 |
| 2025 | 6 | 9 |
| 2026 | 4 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Anoxic bioreactor treatment followed by pH adjusted peroxide/iron treatment for enhanced, efficient selenium removal in wastewaters25 Aug 2026US 12,715,802 B2Evoqua Water Technologies LLC
- Production of silicate solutions and their uses19 May 2026US 12,630,433 B2Total Alchemy Solutions, LLC
- Systems and methods for biological transformation, concentration, and recovery of selenium from wastewater14 Apr 2026US 12,600,654 B2Arizona Board of Regents on behalf of Arizona State University
- Water purifier filter and water purifier comprising same31 Mar 2026US 12,590,015 B2LG Electronics Inc.
- Metal-organic frameworks for the removal of multiple liquid phase compounds and methods for using and making same2 Dec 2025US 12,486,182 B2Electric Power Research Institute, Inc.
- Process for treatment of mine contact water17 Sep 2026US 2026/0274726 A2Teck Resources Limited
- Water desalination systems6 Aug 2026US 2026/0225934 A1Badwater Alchemy Technologies Inc.
- Uv water purification system and methods16 Jul 2026US 2026/0200764 A1The Regents of the University of California
- Uv water purification system and methods14 May 2026US 2026/0132056 A1The Regents of the University of California
- Polyamine phosphorus dendrimer materials for metal sequestration30 Apr 2026US 2026/0115683 A1Research Triangle Institute
Most cited
By later US patents
- Method for removing arsenic or selenium from an aqueous solution containing a substantial background of another contaminant60US 4,935,146 AAluminum Company of America · 1990
- Process for the removal of selenium from aqueous systems48US 4,405,464 AKerr-McGee Nuclear Corporation · 1983
- Method of selenium removal48US 6,183,644 B2Weber State University · 2001
- Removal of selenium from water by complexation with polymeric dithiocarbamates46US 5,510,040 ANalco Chemical Company · 1996
- Method for recovering and separating metals from waste streams35US 6,274,045 B12001