B01D 2251/60
Inorganic bases or salts
B01D2251/60 (Inorganic bases or salts) appears on 1,253 US grants and 1,815 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,253
- Published applications
- 1,815
- Assignees
- 950
- Inventors
- 3,832
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 6 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 9 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 10 | 0 |
| 1998 | 13 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 13 | 4 |
| 2002 | 8 | 10 |
| 2003 | 8 | 10 |
| 2004 | 8 | 15 |
| 2005 | 7 | 18 |
| 2006 | 10 | 18 |
| 2007 | 9 | 12 |
| 2008 | 11 | 21 |
| 2009 | 9 | 37 |
| 2010 | 25 | 75 |
| 2011 | 23 | 69 |
| 2012 | 38 | 67 |
| 2013 | 38 | 69 |
| 2014 | 63 | 84 |
| 2015 | 68 | 86 |
| 2016 | 56 | 100 |
| 2017 | 74 | 100 |
| 2018 | 80 | 104 |
| 2019 | 83 | 96 |
| 2020 | 87 | 112 |
| 2021 | 94 | 88 |
| 2022 | 73 | 99 |
| 2023 | 82 | 127 |
| 2024 | 63 | 132 |
| 2025 | 91 | 163 |
| 2026 | 49 | 99 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydrated lime for carbon capture1 Sep 2026US 12,722,136 B1Lhoist North America, Inc.
- Chemical additives for direct air carbon capture25 Aug 2026US 12,714,966 B2Halliburton Energy Services.Inc.
- Processes and systems for upgrading a hydrocarbon25 Aug 2026US 12,716,038 B2ExxonMobil Chemical Patents Inc.
- Using carbon dioxide from a direct air capture system as a low global warming car and industrial refrigerant25 Aug 2026US 12,716,620 B2AirMyne, Inc.
- Steel mill offgas separation and purification18 Aug 2026US 12,708,874 B2Air Products and Chemicals, Inc.
- Filter system for the removal of volatile organosulfur compounds (voscs) from indoor air8 Oct 2026US 2026/0306980 A1Air Tech Group, SLU
- High-efficiency carbonation reaction system and method for capturing carbon dioxide from flue gas continuously1 Oct 2026US 2026/0295508 A1National Atomic Research Institute
- Air contactor24 Sep 2026US 2026/0284592 A1
- An integrated resource recovery and co-treatment system of desalination brine and flue gas via waste brine electrolysis and sustainable co2 mineralisation (from brine to newseawater)17 Sep 2026US 2026/0273466 A1Nanyang Technological University
- Direct air capture of carbon dioxide17 Sep 2026US 2026/0273467 A1Carbon Utility LLC
Most cited
By later US patents
- Self-adhesive vent filter and adsorbent assembly with a diffusion tube156US 5,417,743 AW. L. Gore & Associates, Inc. · 1995
- Production of carbonate-containing compositions from material comprising metal silicates111US 7,749,476 B2Calera Corporation · 2010
- Method and apparatus for removing mercury species from hot flue gas81US 6,960,329 B2Foster Wheeler Energy Corporation · 2005
- Pushable multi-fiber connector81US 9,383,539 B2Clearfield, Inc. · 2016
- Process for purifying exhaust gas using modified calcium hydroxide80US 5,618,508 AFTU GmbH Technische Entwicklung und Forschung Im Umweltschutz · 1997