B01D 2257/306
Organic sulfur compounds
Official title: Organic sulfur compounds, e.g. mercaptans
B01D2257/306 (Organic sulfur compounds) appears on 450 US grants and 590 published applications in this corpus.
Search patents in B01D- Granted patents
- 450
- Published applications
- 590
- Assignees
- 310
- Inventors
- 1,299
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 4 | 5 |
| 2003 | 4 | 7 |
| 2004 | 4 | 9 |
| 2005 | 2 | 12 |
| 2006 | 3 | 11 |
| 2007 | 11 | 17 |
| 2008 | 6 | 15 |
| 2009 | 10 | 16 |
| 2010 | 19 | 32 |
| 2011 | 8 | 31 |
| 2012 | 20 | 24 |
| 2013 | 27 | 28 |
| 2014 | 17 | 34 |
| 2015 | 21 | 23 |
| 2016 | 21 | 43 |
| 2017 | 29 | 37 |
| 2018 | 30 | 54 |
| 2019 | 47 | 42 |
| 2020 | 33 | 18 |
| 2021 | 21 | 28 |
| 2022 | 24 | 23 |
| 2023 | 16 | 19 |
| 2024 | 16 | 24 |
| 2025 | 15 | 20 |
| 2026 | 9 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adsorbent bed with increased hydrothermal stability6 Oct 2026US 12,752,233 B2BASF SE
- Processes and systems for upgrading a hydrocarbon25 Aug 2026US 12,716,038 B2ExxonMobil Chemical Patents Inc.
- Microorganism deodorizing device and deodorization treatment system18 Aug 2026US 12,708,873 B2Miraie Corporation
- Adsorbent bed for mercaptan removal with increased hydrothermal stability28 Jul 2026US 12,691,404 B2BASF SE
- Formulations and methods to remove non-acidic sulfur compounds from gas streams26 May 2026US 12,637,627 B2Baker Hughes Oilfield Operations LLC
- Filter system for the removal of volatile organosulfur compounds (voscs) from indoor air8 Oct 2026US 2026/0306980 A1Air Tech Group, SLU
- Cleaning of co2 containing feed gases24 Sep 2026US 2026/0285689 A1Topsoe A/S
- Cleaning of co2 containing feed gases24 Sep 2026US 2026/0285690 A1Topsoe A/S
- Process for removing sulfur containing compounds from gas containing at least one sulfur containing compound10 Sep 2026US 2026/0264009 A1Sulzer Management AG
- Catalyst-Sorbent Hybrid Process for Organic Sulfur Removal27 Aug 2026US 2026/0249267 A1TDA Research, Inc.
Most cited
By later US patents
- Process for purifying a gas by adsorption of the impurities on several active carbons147US 6,402,813 B2L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2002
- Hydrogen sulfide scavenging process105US 5,462,721 ACrescent Holdings Limited · 1995
- Composite adsorbent and process for producing same104US 5,231,063 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1993
- Method for scavenging sulfides90US 5,688,478 ACrescent Holdings Limited · 1997
- Regeneration of hydrogen sulfide scavengers85US 5,980,845 A1999