B03D 1/012
Containing sulfur
Official title: containing sulfur
B03D1/012 (Containing sulfur) appears on 373 US grants and 147 published applications in this corpus.
Search patents in B03D- Granted patents
- 373
- Published applications
- 147
- Assignees
- 173
- Inventors
- 678
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 12 | 0 |
| 1980 | 16 | 0 |
| 1981 | 15 | 0 |
| 1982 | 17 | 0 |
| 1983 | 10 | 0 |
| 1984 | 13 | 0 |
| 1985 | 30 | 0 |
| 1986 | 18 | 0 |
| 1987 | 18 | 0 |
| 1988 | 17 | 0 |
| 1989 | 19 | 0 |
| 1990 | 8 | 0 |
| 1991 | 15 | 0 |
| 1992 | 11 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 3 |
| 2004 | 4 | 5 |
| 2005 | 1 | 6 |
| 2006 | 7 | 3 |
| 2007 | 1 | 2 |
| 2008 | 1 | 4 |
| 2009 | 2 | 3 |
| 2010 | 2 | 5 |
| 2011 | 3 | 5 |
| 2012 | 3 | 3 |
| 2013 | 5 | 4 |
| 2014 | 4 | 7 |
| 2015 | 3 | 9 |
| 2016 | 9 | 9 |
| 2017 | 4 | 9 |
| 2018 | 9 | 9 |
| 2019 | 9 | 7 |
| 2020 | 10 | 8 |
| 2021 | 7 | 10 |
| 2022 | 1 | 4 |
| 2023 | 8 | 6 |
| 2024 | 4 | 8 |
| 2025 | 6 | 4 |
| 2026 | 4 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mining collectors6 Oct 2026US 12,752,286 B2
- Mining collectors15 Sep 2026US 12,734,529 B1
- Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity8 Sep 2026US 12,729,140 B2Ecolab USA Inc.
- Methods and compositions for processing sulfide ores21 Apr 2026US 12,605,719 B2Ecolab USA Inc.
- Sodium petroleum sulfonate collector for fluorite flotation and its preparation and application method18 Nov 2025US 12,472,512 B2Wuhan University of Technology
- Compositions for lithium beneficiation and methods of use20 Aug 2026US 2026/0241392 A1Ecolab USA Inc.
- 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.
- Method for flotation of argillaceous zinc oxide ore with full-size fractions16 Jul 2026US 2026/0199907 A1
- 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
Most cited
By later US patents
- Foaming surfactant compositions383US 4,565,647 AThe Procter & Gamble Company · 1986
- Light-duty liquid detergent and shampoo compositions72US 4,663,069 AThe Procter & Gamble Company · 1987
- Foaming surfactant compositions51US 4,599,188 AThe Procter & Gamble Company · 1986
- Foaming surfactant compositions50US 4,536,317 AThe Procter & Gamble Company · 1985
- Foaming surfactant compositions50US 4,536,318 AThe Procter & Gamble Company · 1985