C23G 1/24
Cleaning or pickling metallic material with solutions or molten salts: with neutral
Official title: with neutral solutions
C23G1/24 (Cleaning or pickling metallic material with solutions or molten salts: with neutral) appears on 200 US grants and 123 published applications in this corpus.
Search patents in C23G- Granted patents
- 200
- Published applications
- 123
- Assignees
- 159
- Inventors
- 506
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 10 | 0 |
| 1996 | 13 | 0 |
| 1997 | 8 | 0 |
| 1998 | 16 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 4 |
| 2002 | 4 | 3 |
| 2003 | 5 | 6 |
| 2004 | 3 | 3 |
| 2005 | 4 | 6 |
| 2006 | 2 | 4 |
| 2007 | 3 | 6 |
| 2008 | 3 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 7 |
| 2011 | 0 | 4 |
| 2012 | 2 | 5 |
| 2013 | 3 | 4 |
| 2014 | 5 | 2 |
| 2015 | 2 | 7 |
| 2016 | 6 | 9 |
| 2017 | 2 | 6 |
| 2018 | 6 | 8 |
| 2019 | 3 | 5 |
| 2020 | 4 | 1 |
| 2021 | 7 | 5 |
| 2022 | 2 | 4 |
| 2023 | 2 | 10 |
| 2024 | 1 | 6 |
| 2025 | 2 | 1 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing electrical steel sheet7 Apr 2026US 12,595,525 B2Nippon Steel Corporation
- Method for applying a conversion coating with an aquous pickling composition comprising an aminophosphonic acid and a polymer24 Mar 2026US 12,584,229 B2Chemetall GmbH
- Purification of metallic objects in the presence of a liquid and layer silicate(s)27 Jan 2026US 12,534,813 B2Atotech Deutschland GmbH
- Method for removing metal compound21 Oct 2025US 12,448,567 B2Resonac Corporation
- Method of treating or maintaining an apparatus15 Apr 2025US 12,275,891 B2Pig Sweep, LLC
- Phosphonate-free, aqueous pickling compositions and their use27 Aug 2026US 2026/0250850 A1Chemetall GmbH
- Azeotropic and non-azeotropic hydrofluoro olefin formulations and uses18 Jun 2026US 2026/0167900 A1Illinois Tool Works Inc.
- Systems and methods for treating a metal substrate26 Feb 2026US 2026/0055512 A1PRC-DeSoto International, Inc.
- Method of pre-treating metallic substrates5 Feb 2026US 2026/0035802 A1Chemetall GmbH
- Method for Treating and Protecting Equipment Using Nanoparticle Compositions31 Jul 2025US 2025/0243399 A1Pig Sweep, LLC
Most cited
By later US patents
- Methods for pre-cleaning conductive interconnect structures113US 9,460,959 B1APPLIED Materials.Inc. · 2016
- Aqueous degreaser compositions containing an organic solvent and a solubilizing coupler85US 5,080,822 ABuckeye International, Inc. · 1992
- Process for vessel decontamination72US 5,356,482 AServ-Tech, Inc. · 1994
- Cleaning of hard surfaces69US 4,082,683 ALever Brothers Company · 1978
- Method to decrease iron sulfide deposits in pipe lines69US 6,866,048 B22005