C09K 2208/32
Anticorrosion additives
C09K2208/32 (Anticorrosion additives) appears on 673 US grants and 982 published applications in this corpus.
Search patents in C09K- Granted patents
- 673
- Published applications
- 982
- Assignees
- 226
- Inventors
- 1,518
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 3 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 4 |
| 2006 | 1 | 7 |
| 2007 | 4 | 5 |
| 2008 | 1 | 6 |
| 2009 | 3 | 4 |
| 2010 | 3 | 5 |
| 2011 | 7 | 10 |
| 2012 | 3 | 16 |
| 2013 | 6 | 21 |
| 2014 | 8 | 32 |
| 2015 | 13 | 51 |
| 2016 | 24 | 86 |
| 2017 | 34 | 110 |
| 2018 | 61 | 95 |
| 2019 | 78 | 62 |
| 2020 | 63 | 98 |
| 2021 | 75 | 71 |
| 2022 | 73 | 46 |
| 2023 | 63 | 66 |
| 2024 | 64 | 67 |
| 2025 | 37 | 69 |
| 2026 | 35 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Corrosion inhibition compositions and methods of use in sour environments6 Oct 2026US 12,753,338 B2King Fahd University of Petroleum and Minerals
- Corrosion-inhibiting agents for reducing dissolved oxygen concentrations within upstream oilfield systems22 Sep 2026US 12,742,111 B2Finoric, LLC
- Wellbore treatment to remove damage and increase production1 Sep 2026US 12,723,490 B2Aegis Chemical Solutions, LLC
- Aqueous modified acid compositions and methods of using the same25 Aug 2026US 12,716,021 B2Dorf Ketal Chemicals Fze
- Succinic anhydride-derived polyesters as corrosion inhibitors25 Aug 2026US 12,716,028 B2Ecolab USA Inc.
- Composition and methods for inhibiting corrosion of metal during acidizing a wellbore in a subterranean formation for fracking24 Sep 2026US 2026/0286211 A1
- Bis-pyridinium compounds, materials including such, and uses thereof such as in corrosion resistance17 Sep 2026US 2026/0274796 A1Saudi Arabian Oil Company
- Method of inhibiting corrosion of metal piping in an oil/gas well3 Sep 2026US 2026/0258301 A1Imam Abdulrahman Bin Faisal University
- Corrosion inhibitor compositions and methods of use thereof27 Aug 2026US 2026/0250570 A1ChampionX LLC
- Method for single-stage treatment of siliceous subterranean formations13 Aug 2026US 2026/0234465 A1Schlumberger Technology Corporation
Most cited
By later US patents
- Delayed blending of additives in well treatment fluids165US 6,613,720 B1Schlumberger Technology Corporation · 2003
- Nanofluids and methods of use for drilling and completion fluids104US 8,822,386 B2Baker Hughes Incorporated · 2014
- Method of acidizing a subterranean formation with diverting foam or fluid78US 7,303,018 B2BJ Services Company · 2007
- Methods and systems utilizing a boron-containing corrosion inhibitor for protection of titanium surfaces55US 10,138,560 B2Halliburton Energy Services.Inc. · 2018
- Fluoride corrosion inhibition of metal surfaces53US 10,947,626 B2Halliburton Energy Services.Inc. · 2021