C23F 11/147
Containing a nitrogen-to-oxygen bond
Official title: {containing a nitrogen-to-oxygen bond}
C23F11/147 (Containing a nitrogen-to-oxygen bond) appears on 35 US grants and 23 published applications in this corpus.
Search patents in C23F- Granted patents
- 35
- Published applications
- 23
- Assignees
- 24
- Inventors
- 70
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 2 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 3 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Corrosion inhibitor composition for use in the oil and gas industry21 Jul 2026US 12,686,819 B2Imam Abdulrahman Bin Faisal University
- Corrosion inhibition method for inorganic acidic media26 Dec 2023US 11,851,598 B2King Fahd University of Petroleum and Minerals
- Inhibitors of metal corrosion17 Oct 2023US 11,788,192 B2Arkema France
- Polyurea treatment method for metallic corrosion protection12 Sep 2023US 11,753,590 B2King Fahd University of Petroleum and Minerals
- Inhibition of metal corrosion in aqueous media using a polyurea formulation5 Jul 2022US 11,377,595 B2King Fahd University of Petroleum and Minerals
- Method of inhibiting corrosion of metal piping in an oil/gas well3 Sep 2026US 2026/0258301 A1Imam Abdulrahman Bin Faisal University
- Self healing plasma electroytic oxidation coating30 Apr 2026US 2026/0117394 A1Hamilton Sundstrand Corporation
- Corrosion inhibitor composition for use in the oil and gas industry4 Apr 2024US 2024/0110096 A1Imam Abdulrahman Bin Faisal University
- Polyurea treatment method for metallic corrosion protection15 Sep 2022US 2022/0290051 A1King Fahd University of Petroleum and Minerals
- Corrosion inhibition method for inorganic acidic media8 Sep 2022US 2022/0282157 A1King Fahd University of Petroleum and Minerals
Most cited
By later US patents
- Boiler water treatment43US 4,067,690 AChemed Corporation · 1978
- Aqueous agricultural compositions exhibiting reduced irritation and corrosion28US 5,118,444 AWitco Corporation · 1992
- Hydrogenation of nitroalkanes to hydroxylamines25US 5,288,907 AW. R. Grace & Co.-Conn. · 1994
- Composition and method for scavenging oxygen24US 5,176,849 AW. R. Grace & Co.-Conn. · 1993
- Oximes as oxygen scavengers22US 4,487,745 ADrew Chemical Corporation · 1984