C23C 22/24
Containing hexavalent chromium compounds
Official title: containing hexavalent chromium compounds
C23C22/24 (Containing hexavalent chromium compounds) appears on 204 US grants and 155 published applications in this corpus.
Search patents in C23C- Granted patents
- 204
- Published applications
- 155
- Assignees
- 127
- Inventors
- 562
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 9 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 4 |
| 2003 | 2 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 4 |
| 2006 | 2 | 1 |
| 2007 | 1 | 4 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 0 | 8 |
| 2014 | 1 | 7 |
| 2015 | 2 | 8 |
| 2016 | 2 | 7 |
| 2017 | 4 | 9 |
| 2018 | 6 | 10 |
| 2019 | 7 | 5 |
| 2020 | 3 | 7 |
| 2021 | 3 | 17 |
| 2022 | 12 | 23 |
| 2023 | 5 | 6 |
| 2024 | 11 | 7 |
| 2025 | 17 | 11 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Manufacturing method for tinplate6 Oct 2026US 12,752,324 B2Institute of Research of Iron and Steel, Jiangsu Province/Sha-Steel, Co. Ltd (Cn)
- Grain-oriented electrical steel sheet and manufacturing method therefor25 Aug 2026US 12,716,134 B2Nippon Steel Corporation
- Electrolytic copper foil proof against tear or wrinkle defects, electrode comprising same, secondary battery comprising same, and manufacturing method therefor17 Mar 2026US 12,580,199 B2SK Nexilis Co., Ltd.
- Grain-oriented electrical steel sheet and method for manufacturing the same17 Feb 2026US 12,553,136 B2Nippon Steel Corporation
- Grain-oriented electrical steel sheet17 Feb 2026US 12,555,709 B2Nippon Steel Corporation
- Method of producing electrical steel sheet with insulating coating16 Jul 2026US 2026/0204463 A1Jfe Steel Corporation
- Chromium-plated component and production method for same9 Jul 2026US 2026/0193805 A1Jcu Corporation
- Maskless touch up tool for surface coatings21 May 2026US 2026/0139352 A1Blue Origin, LLC
- Powder mitigation and exhaust management for thin film deposition21 May 2026US 2026/0139375 A1Nfinite Nanotechnology Inc.
- Surface-treated copper foil with heat resistance, and copper clad laminate and printed wiring board including the same27 Nov 2025US 2025/0365863 A1Lotte Energy Materials Corporation
Most cited
By later US patents
- Coated metal sheet for dry cell positive electrode can and positive electrode can formed of such metal sheet36US 5,527,641 ANisshin Steel Co., Ltd. · 1996
- Process for fabricating multilayer circuit boards34US 4,775,444 AMacDermid, Incorporated · 1988
- Corrosion resistant, coated metal laminate, its preparation and coating materials33US 4,719,038 ANippon Paint Co., Ltd. · 1988
- Coated steel sheet and method for manufacturing the same32US 6,610,422 B1NKK Corporation · 2003
- Surface treatment method of a copper foil for printed circuits31US 5,456,817 ANikko Gould Foil Co., Ltd. · 1995