C23F 11/143
Salts of amines
Official title: {Salts of amines}
C23F11/143 (Salts of amines) appears on 78 US grants and 62 published applications in this corpus.
Search patents in C23F- Granted patents
- 78
- Published applications
- 62
- Assignees
- 55
- Inventors
- 198
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 2 |
| 2006 | 1 | 5 |
| 2007 | 3 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 4 |
| 2010 | 3 | 2 |
| 2011 | 0 | 4 |
| 2012 | 2 | 2 |
| 2013 | 4 | 5 |
| 2014 | 3 | 0 |
| 2015 | 6 | 6 |
| 2016 | 2 | 3 |
| 2017 | 2 | 2 |
| 2018 | 2 | 2 |
| 2019 | 3 | 0 |
| 2020 | 1 | 4 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 3 |
| 2024 | 1 | 3 |
| 2025 | 2 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Corrosion inhibitor for mitigating alkaline carbonate stress corrosion cracking12 Aug 2025US 12,385,143 B2Ecolab USA Inc.
- Polyamine-polyesters as corrosion inhibition4 Mar 2025US 12,241,011 B2Ecolab USA Inc.
- Formulation for corrosion inhibition20 Feb 2024US 11,905,604 B2Hindustan Petroleum Corporation Limited
- Oleyl propylenediamine-based corrosion inhibitors19 Dec 2023US 11,846,029 B2Ecolab USA Inc.
- Quaternary ammonium salts for corrosion inhibition25 Apr 2023US 11,634,623 B2Hindustan Petroleum Corporation Limited
- Polyamine-polyesters as corrosion inhibition11 Jun 2026US 2026/0159756 A1Ecolab USA Inc.
- Stray current corrosion inhibitor28 May 2026US 2026/0146335 A1ChampionX LLC
- Corrosion inhibitor for mitigating alkaline carbonate stress corrosion cracking23 Oct 2025US 2025/0327190 A1Ecolab USA Inc.
- Corrosion-inhibiting additives and methods of making and use thereof14 Aug 2025US 2025/0257274 A1Ecolab USA Inc.
- Anticorrosive compositions and methods with supramolecular structures28 Mar 2024US 2024/0102176 A1Bps Just Energy Technology, LLC
Most cited
By later US patents
- Control of fine particulate flowback in subterranean wells335US 5,853,048 AHalliburton Energy Services, Inc. · 1998
- Control of fine particulate flowback in subterranean wells260US 5,775,425 AHalliburton Energy Services, Inc. · 1998
- Control of fine particulate flowback in subterranean wells215US 5,871,049 AHalliburton Energy Services.Inc. · 1999
- Fluoride corrosion inhibition of metal surfaces53US 10,947,626 B2Halliburton Energy Services.Inc. · 2021
- Aqueous water-soluble soap lubricant concentrates and aqueous lubricants containing same51US 4,274,973 ADiversey, Inc. · 1981