C10G 2300/203
Naphthenic acids, tan
Official title: Naphthenic acids, TAN
C10G2300/203 (Naphthenic acids, tan) appears on 133 US grants and 185 published applications in this corpus.
Search patents in C10G- Granted patents
- 133
- Published applications
- 185
- Assignees
- 87
- Inventors
- 395
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 28 |
| 2006 | 0 | 4 |
| 2007 | 0 | 5 |
| 2008 | 1 | 3 |
| 2009 | 8 | 14 |
| 2010 | 13 | 8 |
| 2011 | 8 | 12 |
| 2012 | 10 | 15 |
| 2013 | 9 | 15 |
| 2014 | 11 | 10 |
| 2015 | 12 | 9 |
| 2016 | 9 | 6 |
| 2017 | 8 | 4 |
| 2018 | 4 | 12 |
| 2019 | 8 | 7 |
| 2020 | 8 | 6 |
| 2021 | 3 | 4 |
| 2022 | 6 | 5 |
| 2023 | 4 | 6 |
| 2024 | 4 | 3 |
| 2025 | 2 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Refinery crude distillation unit corrosion inhibitor10 Mar 2026US 12,570,907 B2Saudi Arabian Oil Company
- Quantitating corrosive naphthenic acids in crude oil10 Feb 2026US 12,546,760 B2Phillips 66 Company
- Method for removing oxygenated compounds from a Fischer-Tropsch oil having a high carbon number24 Jun 2025US 12,338,401 B2Inner Mongolia Yitai Coal-based New Materials Research Institute Co., Ltd.
- Low sulfur fuel oil bunker composition and process for producing the same20 May 2025US 12,305,128 B2Neste Oyj
- Method and apparatus for recovering absorbing agents in acid gas treatment1 Oct 2024US 12,102,958 B2Ineos Americas, LLC
- Fuel oil composition25 Jun 2026US 2026/0176540 A1Uop LLC
- Refinery crude distillation unit corrosion inhibitor7 May 2026US 2026/0125604 A1Saudi Arabian Oil Company
- Process for synergistic co-conversion of used oils to value added products14 Aug 2025US 2025/0257272 A1Indian Oil Corporation Limited
- Refinery crude distillation unit corrosion inhibitor5 Jun 2025US 2025/0179373 A1Saudi Arabian Oil Company
- Method and apparatus for recovering absorbing agents in acid gas treatment29 May 2025US 2025/0170519 A1Ineos Americas, LLC
Most cited
By later US patents
- Fuel compositions113US 8,987,537 B1Shell Oil Company · 2015
- Modified thermal processing of heavy hydrocarbon feedstocks87US 7,572,362 B2Ivanhoe Energy, Inc. · 2009
- Process for converting triglycerides to hydrocarbons75US 7,550,634 B2ConocoPhillips Company · 2009
- Fuel compositions and methods for making same73US 8,999,011 B2ExxonMobil Research and Engineering Company · 2015
- Method for making marine bunker fuels67US 9,109,176 B2ExxonMobil Research and Engineering Company · 2015