C23G 1/04
Using inhibitors
Official title: using inhibitors
C23G1/04 (Using inhibitors) appears on 195 US grants and 118 published applications in this corpus.
Search patents in C23G- Granted patents
- 195
- Published applications
- 118
- Assignees
- 89
- Inventors
- 308
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 11 | 0 |
| 1981 | 6 | 0 |
| 1982 | 18 | 0 |
| 1983 | 9 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 1 |
| 2002 | 8 | 1 |
| 2003 | 4 | 4 |
| 2004 | 1 | 0 |
| 2005 | 2 | 8 |
| 2006 | 1 | 6 |
| 2007 | 0 | 5 |
| 2008 | 1 | 0 |
| 2009 | 2 | 3 |
| 2010 | 3 | 3 |
| 2011 | 4 | 7 |
| 2012 | 2 | 3 |
| 2013 | 4 | 3 |
| 2014 | 7 | 0 |
| 2015 | 0 | 7 |
| 2016 | 4 | 5 |
| 2017 | 2 | 4 |
| 2018 | 2 | 8 |
| 2019 | 4 | 10 |
| 2020 | 1 | 10 |
| 2021 | 8 | 4 |
| 2022 | 7 | 5 |
| 2023 | 8 | 9 |
| 2024 | 4 | 4 |
| 2025 | 6 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- Use of percitric acid in oil- and gas-field operations9 Sep 2025US 12,410,357 B2Secure Specialty Chemicals Corp.
- Etchant12 Aug 2025US 12,384,967 B2Dongwoo Fine-Chem Co., Ltd.
- Oxidized iron surface scale remover30 Jul 2026US 2026/0218086 A1W. M. Barr & Company
- Oxidized iron surface scale remover30 Jul 2026US 2026/0218389 A1W. M. Barr & Company
- Composition, method of treating metal-containing film by using the composition, and method of preparing semiconductor device by using the composition5 Mar 2026US 2026/0062613 A1Samsung Electronics Co., Ltd.
- Systems and methods for treating a metal substrate26 Feb 2026US 2026/0055512 A1PRC-DeSoto International, Inc.
- Neutralizing instrument reprocessing2 Oct 2025US 2025/0304881 A1Ecolab USA Inc.
Most cited
By later US patents
- Composition and method for removing sulfide-containing scale from metal surfaces72US 4,220,550 AThe Dow Chemical Company · 1980
- 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
- Corrosion inhibitors for cleaning solutions43US 4,637,899 ADowell Schlumberger Incorporated · 1987
- Inhibitor-containing acid cleaning compositions and processes38US 4,541,945 AAmchem Products, Inc. · 1985