C10G 2300/207
Acid gases
Official title: Acid gases, e.g. H2S, COS, SO2, HCN
C10G2300/207 (Acid gases) appears on 555 US grants and 712 published applications in this corpus.
Search patents in C10G- Granted patents
- 555
- Published applications
- 712
- Assignees
- 234
- Inventors
- 1,178
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 9 |
| 2004 | 4 | 7 |
| 2005 | 3 | 7 |
| 2006 | 2 | 14 |
| 2007 | 7 | 12 |
| 2008 | 4 | 18 |
| 2009 | 6 | 31 |
| 2010 | 13 | 35 |
| 2011 | 16 | 50 |
| 2012 | 42 | 50 |
| 2013 | 35 | 31 |
| 2014 | 41 | 20 |
| 2015 | 23 | 16 |
| 2016 | 23 | 8 |
| 2017 | 23 | 32 |
| 2018 | 20 | 58 |
| 2019 | 32 | 70 |
| 2020 | 56 | 66 |
| 2021 | 45 | 36 |
| 2022 | 48 | 47 |
| 2023 | 31 | 27 |
| 2024 | 28 | 28 |
| 2025 | 29 | 22 |
| 2026 | 12 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Processes and systems for upgrading a hydrocarbon25 Aug 2026US 12,716,038 B2ExxonMobil Chemical Patents Inc.
- Use of melamine cyanurate nanoparticles and silica nanoparticles for H2S scavenging23 Jun 2026US 12,661,615 B2Nissan Chemical America Corporation
- Use of amine modified nanoparticles for H2S scavenging2 Jun 2026US 12,643,802 B2Nissan Chemical America Corporation
- Method for upgrading bio-based material and upgraded material26 May 2026US 12,637,623 B2Neste Oyj
- Removal of hydrogen sulfide and/or mercaptans from oil or oil derivatives and treatment compositions for accomplishing the same12 May 2026US 12,624,297 B1Ripcord Energy Solutions, LLC
- Hydrogen sulfide scavengers17 Sep 2026US 2026/0275199 A1Ecolab USA Inc.
- Plant and process for producing renewable hydrocarbons with reduced co2-footprint and improved hydrogen integration17 Sep 2026US 2026/0275208 A1Topsoe A/S
- Improved method for converting a feedstock containing a biomass fraction for the production of hydrocarbons by means of fischer-tropsch synthesis10 Sep 2026US 2026/0265612 A1Avril
- Method for upgrading bio-based material and upgraded material10 Sep 2026US 2026/0265614 A1Neste Oyj
- Treatment compositions and methods of using same for remediating mercaptans and sulfur compounds in hydrocarbon liquids16 Jul 2026US 2026/0201257 A1Gaps Technology, LLC.
Most cited
By later US patents
- Composition and method for sweetening hydrocarbons161US 4,978,512 AQuaker Chemical Corporation · 1990
- Method of treating sour gas and liquid hydrocarbon160US 5,674,377 ANalco/Exxon Energy Chemicals, L. P. · 1997
- Scavengers for use in reducing sulfide impurities90US 6,267,938 B1Stanchem, Inc. · 2001
- Modified thermal processing of heavy hydrocarbon feedstocks87US 7,572,362 B2Ivanhoe Energy, Inc. · 2009
- Process for the manufacture of carbon disulphide73US 7,763,227 B2Shell Oil Company · 2010