B03D 1/014
Containing phosphorus
Official title: containing phosphorus
B03D1/014 (Containing phosphorus) appears on 134 US grants and 70 published applications in this corpus.
Search patents in B03D- Granted patents
- 134
- Published applications
- 70
- Assignees
- 82
- Inventors
- 282
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 3 |
| 2004 | 3 | 0 |
| 2005 | 2 | 4 |
| 2006 | 2 | 2 |
| 2007 | 1 | 3 |
| 2008 | 1 | 1 |
| 2009 | 2 | 3 |
| 2010 | 1 | 3 |
| 2011 | 1 | 2 |
| 2012 | 2 | 2 |
| 2013 | 2 | 4 |
| 2014 | 2 | 6 |
| 2015 | 1 | 5 |
| 2016 | 6 | 4 |
| 2017 | 2 | 1 |
| 2018 | 3 | 1 |
| 2019 | 4 | 1 |
| 2020 | 3 | 4 |
| 2021 | 1 | 2 |
| 2022 | 0 | 4 |
| 2023 | 6 | 3 |
| 2024 | 1 | 4 |
| 2025 | 5 | 2 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity8 Sep 2026US 12,729,140 B2Ecolab USA Inc.
- Compounds, methods, and systems for benefication of rare earth elements by flotation and gravity concentration10 Mar 2026US 12,569,861 B2Colorado School of Mines
- Application of selenium-containing organic compounds in copper sulfide flotation collectors4 Nov 2025US 12,458,984 B2Guangxi University
- Enhanced foam removal of total suspended solids and multiply charged cations from aqueous or aqueous/oil mixed phase via increased viscoelasticity30 Sep 2025US 12,428,318 B2Ecolab USA Inc.
- MySx/ZSH mixture as sulfidizing agent22 Jul 2025US 12,364,990 B2Nouryon Chemicals International B. V.
- Method For Treating Phosphate Ores Containing Heavy Metals By Reverse Flotation13 Aug 2026US 2026/0234747 A1Ocp SA
- Sulfur compositions for froth flotation of ores30 Jul 2026US 2026/0216736 A1Arkema Inc.
- Flotation reagent and application thereof, and method for synchronously recovering fluorite and rare earth from fluorite-type rare earth ores9 Jul 2026US 2026/0192308 A1IMUMR, Chinese Academy of Geological Sciences
- Collector composition for beneficiating carbonaceous phosphate ores19 Mar 2026US 2026/0077364 A1ArrMaz Products Inc.
- Enhanced foam removal of total suspended solids and multiply charged cations from aqueous or aqueous/oil mixed phase via increased viscoelasticity1 Jan 2026US 2026/0001783 A1Ecolab USA Inc.
Most cited
By later US patents
- Methods of increasing flotation rate43US 6,871,743 B2Mineral and Coal Technologies, Inc. · 2005
- Collector compositions for the froth flotation of mineral values41US 4,684,459 AThe Dow Chemical Company · 1987
- Decarbonation of tailings sludge to improve settling28US 4,414,117 ASuncor, Inc. · 1983
- Method of increasing flotation rate25US 6,799,682 B12004
- Froth flotation method24US 4,797,202 AThe Dow Chemical Company · 1989