C23F 11/145
Amides
Official title: {Amides; N-substituted amides}
C23F11/145 (Amides) appears on 117 US grants and 99 published applications in this corpus.
Search patents in C23F- Granted patents
- 117
- Published applications
- 99
- Assignees
- 84
- Inventors
- 285
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 3 |
| 2006 | 1 | 0 |
| 2007 | 1 | 3 |
| 2008 | 4 | 2 |
| 2009 | 2 | 6 |
| 2010 | 0 | 1 |
| 2011 | 0 | 3 |
| 2012 | 1 | 4 |
| 2013 | 1 | 5 |
| 2014 | 4 | 2 |
| 2015 | 2 | 2 |
| 2016 | 2 | 2 |
| 2017 | 1 | 10 |
| 2018 | 4 | 3 |
| 2019 | 2 | 5 |
| 2020 | 3 | 4 |
| 2021 | 6 | 7 |
| 2022 | 4 | 1 |
| 2023 | 6 | 11 |
| 2024 | 2 | 6 |
| 2025 | 1 | 11 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Succinic anhydride-derived polyesters as corrosion inhibitors25 Aug 2026US 12,716,028 B2Ecolab USA Inc.
- Hydrocarbon functionalized polyamines for corrosion inhibition4 Aug 2026US 12,698,256 B2Ecolab USA Inc.
- Method for improving efficiency of heat transmission by steam21 Apr 2026US 12,607,421 B2Kurita Water Industries Ltd.
- Alkyl lactone-derived corrosion inhibitors6 Jan 2026US 12,516,237 B2
- Corrosion inhibitor for mitigating alkaline carbonate stress corrosion cracking12 Aug 2025US 12,385,143 B2Ecolab USA Inc.
- Methods and systems for determining non-triazole corrosion inhibitor concentration in industrial water systems1 Oct 2026US 2026/0298825 A1Chemtreat, Inc.
- Treatments for controlling liquid and vapor phase corrosion with film-forming compounds25 Jun 2026US 2026/0176770 A1Chemtreat, Inc.
- Treatment compositions including asphaltenic oil14 May 2026US 2026/0132328 A1ChampionX LLC
- Corrosion inhibitor composition and method for inhibiting corrosion in geothermal well system30 Apr 2026US 2026/0117115 A1Chemtreat, Inc.
- Non-triazole yellow metal corrosion inhibitor compositions and methods of treatment11 Dec 2025US 2025/0376770 A1Chemtreat, Inc.
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
- Corrosion inhibitors38US 5,300,235 AExxon Chemical Patents Inc. · 1994
- Process for corrosion inhibition of ferrous metals35US 4,971,724 AMonsanto Company · 1990