C23G 1/061
Nitrogen-containing compounds
Official title: {nitrogen-containing compounds}
C23G1/061 (Nitrogen-containing compounds) appears on 35 US grants and 43 published applications in this corpus.
Search patents in C23G- Granted patents
- 35
- Published applications
- 43
- Assignees
- 28
- Inventors
- 100
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 5 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 0 | 2 |
| 2007 | 0 | 3 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 3 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 3 |
| 2016 | 1 | 3 |
| 2017 | 1 | 1 |
| 2018 | 2 | 3 |
| 2019 | 0 | 3 |
| 2020 | 0 | 2 |
| 2021 | 3 | 2 |
| 2022 | 0 | 1 |
| 2023 | 2 | 2 |
| 2024 | 2 | 2 |
| 2025 | 1 | 2 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of chemically cleaning pipework systems12 May 2026US 12,624,459 B2
- Metal sulfide scale dissolver for oilfield application10 Mar 2026US 12,571,110 B2Halliburton Energy Services.Inc.
- Turbine deposit cleaner10 Mar 2026US 12,571,328 B2Ecolab USA Inc.
- Cleaning solution and methods of cleaning a turbine engine7 Jan 2025US 12,187,986 B2General Electric Company
- Metal cleaning compositions comprising furoate esters and uses therefor21 May 2024US 11,987,892 B2North American Products Group, LLC
- Oxidized iron surface scale remover30 Jul 2026US 2026/0218086 A1W. M. Barr & Company
- Systems and methods for treating a metal substrate26 Feb 2026US 2026/0055512 A1PRC-DeSoto International, Inc.
- Cleaning solution and methods of cleaning a turbine engine3 Apr 2025US 2025/0109356 A1General Electric Company
- Metal Sulfide Scale Dissolver For Oilfield Application6 Mar 2025US 2025/0075338 A1Halliburton Energy Services.Inc.
- Azole compounds as corrosion inhibitors12 Sep 2024US 2024/0301563 A1PRC-DeSoto International, Inc.
Most cited
By later US patents
- Substrate-cleaning method and substrate-cleaning solution49US 6,423,148 B1NEC Corporation · 2002
- Oxidizing aqueous cleaner for the removal of post-etch residues47US 7,922,824 B2Advanced Technology Materials, Inc. · 2011
- Post etch cleaning composition and process for dual damascene system30US 6,417,112 B1EKC Technology, Inc. · 2002
- Composition for cleaning chemical mechanical planarization apparatus28US 6,498,131 B1EKC Technology, Inc. · 2002
- Cleaning solution and methods of cleaning a turbine engine26US 9,926,517 B2General Electric Company · 2018