C02F 2303/08
Corrosion inhibition
C02F2303/08 (Corrosion inhibition) appears on 444 US grants and 721 published applications in this corpus.
Search patents in C02F- Granted patents
- 444
- Published applications
- 721
- Assignees
- 326
- Inventors
- 1,367
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 3 |
| 2002 | 4 | 6 |
| 2003 | 7 | 17 |
| 2004 | 8 | 16 |
| 2005 | 8 | 28 |
| 2006 | 16 | 18 |
| 2007 | 8 | 22 |
| 2008 | 7 | 21 |
| 2009 | 9 | 25 |
| 2010 | 16 | 27 |
| 2011 | 25 | 36 |
| 2012 | 18 | 30 |
| 2013 | 13 | 27 |
| 2014 | 20 | 34 |
| 2015 | 21 | 32 |
| 2016 | 20 | 38 |
| 2017 | 21 | 36 |
| 2018 | 16 | 30 |
| 2019 | 24 | 32 |
| 2020 | 28 | 30 |
| 2021 | 22 | 39 |
| 2022 | 27 | 33 |
| 2023 | 23 | 40 |
| 2024 | 21 | 35 |
| 2025 | 17 | 29 |
| 2026 | 12 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aqueous formulation of oil-soluble corrosion inhibitor, and preparation method and regeneration method thereof22 Sep 2026US 12,742,119 B2PetroChina Company Limited
- Succinic anhydride-derived polyesters as corrosion inhibitors25 Aug 2026US 12,716,028 B2Ecolab USA Inc.
- Method of inhibiting corrosion of a metal in an industrial water system21 Jul 2026US 12,686,929 B2Ecolab USA Inc.
- Methods and compositions to reduce azoles and AOX corrosion inhibitors9 Jun 2026US 12,649,675 B2Bl Technologies, Inc.
- Use of a chlorine dioxide precursor for controlling ion metabolism of bacteria in cooling water systems5 May 2026US 12,617,701 B2Ecolab USA Inc.
- Anti-Fouling System1 Oct 2026US 2026/0296606 A1
- Method of Inhibiting Corrosion of a Metal in an Industrial Water System1 Oct 2026US 2026/0297758 A1Ecolab USA Inc.
- Integrated Method and Apparatus for Treatment of Produced Water24 Sep 2026US 2026/0285725 A1Tetra Technologies, Inc.
- Integrated Method and Apparatus for Treatment of Produced Water24 Sep 2026US 2026/0285726 A1Tetra Technologies, Inc.
- Neutralisation reactor and method of operating thereof23 Jul 2026US 2026/0209055 A1Yara International Asa
Most cited
By later US patents
- Monitoring and dosage control of tagged polymers in cooling water systems97US 5,171,450 ANalco Chemical Company · 1992
- Performance-based control system87US 5,855,791 AAshland Chemical Company · 1999
- Method and apparatus for treating water in a cooling system80US 5,145,585 A1992
- Methods of simultaneously cleaning and disinfecting industrial water systems66US 6,840,251 B2Nalco Company · 2005
- Process for remediating biofouling in water systems with virulent bacteriophage49US 8,241,498 B2Phage Biocontrol Research, LLC · 2012