B01D 53/1456
Removing acid components
Official title: {Removing acid components}
B01D53/1456 (Removing acid components) appears on 2,904 US grants and 3,822 published applications in this corpus.
Search patents in B01D- Granted patents
- 2,904
- Published applications
- 3,822
- Assignees
- 1,270
- Inventors
- 6,512
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 11 | 0 |
| 1978 | 27 | 0 |
| 1979 | 13 | 0 |
| 1980 | 20 | 0 |
| 1981 | 22 | 0 |
| 1982 | 16 | 0 |
| 1983 | 30 | 0 |
| 1984 | 29 | 0 |
| 1985 | 38 | 0 |
| 1986 | 12 | 0 |
| 1987 | 13 | 0 |
| 1988 | 17 | 0 |
| 1989 | 25 | 0 |
| 1990 | 11 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 14 | 0 |
| 1998 | 17 | 0 |
| 1999 | 19 | 0 |
| 2000 | 22 | 0 |
| 2001 | 24 | 4 |
| 2002 | 17 | 19 |
| 2003 | 31 | 21 |
| 2004 | 21 | 37 |
| 2005 | 15 | 25 |
| 2006 | 16 | 38 |
| 2007 | 16 | 40 |
| 2008 | 19 | 54 |
| 2009 | 26 | 79 |
| 2010 | 49 | 130 |
| 2011 | 56 | 158 |
| 2012 | 64 | 193 |
| 2013 | 141 | 215 |
| 2014 | 149 | 215 |
| 2015 | 120 | 191 |
| 2016 | 152 | 180 |
| 2017 | 156 | 175 |
| 2018 | 169 | 196 |
| 2019 | 170 | 203 |
| 2020 | 177 | 189 |
| 2021 | 157 | 182 |
| 2022 | 173 | 177 |
| 2023 | 157 | 245 |
| 2024 | 159 | 301 |
| 2025 | 152 | 325 |
| 2026 | 110 | 230 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- CO2 recovery system and CO2 recovery method6 Oct 2026US 12,752,235 B2Mitsubishi Heavy Industries, Ltd.
- Gas-liquid contactor with packing for capturing carbon dioxide6 Oct 2026US 12,752,251 B2Carbon Engineering ULC
- Method and apparatus for producing carbonate salts22 Sep 2026US 12,741,880 B2Nanomist Technologies Co., Ltd.
- Manufacturing method of chemical adsorbent for removing harmful gases, and apparatus thereof15 Sep 2026US 12,734,501 B2GTScien Co., Ltd.
- Recovery of recycle content CO2 from pyrolysis flue gas15 Sep 2026US 12,735,644 B2ExxonMobil Product Solutions Company
- Method of extraction of a gaseous or vapor component from compressed air8 Oct 2026US 2026/0306997 A1Consiglio Nazionale Delle Ricerche
- Method for producing a deacidified fluid stream, apparatus for deacidifying a fluid stream and use of heat pumps for deacidifying a fluid stream8 Oct 2026US 2026/0306998 A1BASF SE
- Process and apparatus for separating carbon dioxide from a flue gas stream8 Oct 2026US 2026/0306999 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Absorbent for Capturing Carbon Dioxide8 Oct 2026US 2026/0307000 A1Panasia Co., Ltd.
- Catalytic reactor and system for purification of carbon dioxide streams and methods of using the same8 Oct 2026US 2026/0307007 A1Oxy Low Carbon Ventures, LLC
Most cited
By later US patents
- Process and amine-solvent absorbent for removing acidic gases from gaseous mixtures169US 4,112,051 AExxon Research & Engineering Co. · 1978
- Process for removing carbon dioxide containing acidic gases from gaseous mixtures using aqueous amine scrubbing solutions165US 4,112,052 AExxon Research & Engineering Co. · 1978
- Methods and configurations for acid gas enrichment156US 7,635,408 B2Fluor Technologies Corporation · 2009
- Process for removing carbon dioxide containing acidic gases from gaseous mixtures using a basic salt activated with a hindered amine135US 4,112,050 AExxon Research & Engineering Co. · 1978
- Method for removing carbon dioxide from exhaust gases133US 5,832,712 AKvaerner ASA · 1998