B01D 2251/61
Phosphates
B01D2251/61 (Phosphates) appears on 35 US grants and 47 published applications in this corpus.
Search patents in B01D- Granted patents
- 35
- Published applications
- 47
- Assignees
- 33
- Inventors
- 136
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 0 | 0 |
| 2008 | 2 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 8 |
| 2018 | 1 | 4 |
| 2019 | 6 | 6 |
| 2020 | 5 | 5 |
| 2021 | 3 | 2 |
| 2022 | 5 | 3 |
| 2023 | 2 | 3 |
| 2024 | 0 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for capturing silicon at low hourly space velocity12 Aug 2025US 12,384,974 B2Ifp Energies Nouvelles
- Acid gas scrubbing methods featuring amine phase separation for hydrogen sulfide capture10 Jun 2025US 12,325,004 B2ExxonMobil Technology and Engineering Company
- System for the chemical decontamination of corrosive gases12 Dec 2023US 11,839,850 B2Prevor International
- Exhaust gas cleanup and recovery system CO2 capture and sequestration with commercial byproducts28 Mar 2023US 11,612,858 B2Global Carbon Emissions Solutions, LLC
- Method for ammonium-enhanced flue gas desulfurization by using red mud slurry27 Dec 2022US 11,535,572 B2Kunming University of Science and Technology
- Production of nitrogen, potassium, sulfur nutrient through de-carbonization and utilization of calcium sulfate3 Sep 2026US 2026/0257974 A1Sabic Agri-Nutrients Company
- Acid Gas Scrubbing Methods Featuring Amine Phase Separation for Hydrogen Sulfide Capture6 Nov 2025US 2025/0339809 A1ExxonMobil Technology and Engineering Company
- Sulfuric acid production with mineral carbon sequestration9 May 2024US 2024/0149240 A1The Regents of the University of California
- Method for capturing silicon at low hourly space velocity22 Feb 2024US 2024/0059981 A1Ifp Energies Nouvelles
- System for the chemical decontamination of corrosive gases16 Nov 2023US 2023/0364556 A1Prevor International
Most cited
By later US patents
- Deodorants, deodorant sheets, filter sheets and functional papers as well as filtering mediums for exhaust gas20US 5,310,548 AAsahi Kogaku Kogyo Kabushiki Kaisha · 1994
- Deodorants, deodorant sheets, filter sheets and functional papers as well as filtering mediums for exhaust gas15US 5,567,231 AAsahi Kogaku Kogyo Kabushiki Kaisha · 1996
- Air pollution control13US 7,407,602 B2Solucorp Industries, Ltd. · 2008
- Deodorants and gas filters therefor10US 5,545,240 AAsahi Kogaku Kogyo Kabushiki Kaisha · 1996
- Air pollution control10US 7,771,683 B2Solucorp Industries, Ltd. · 2010