C23C 22/57
Treatment of magnesium or alloys based thereon
C23C22/57 (Treatment of magnesium or alloys based thereon) appears on 38 US grants and 64 published applications in this corpus.
Search patents in C23C- Granted patents
- 38
- Published applications
- 64
- Assignees
- 42
- Inventors
- 121
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 2 |
| 2004 | 3 | 4 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 1 | 2 |
| 2012 | 2 | 5 |
| 2013 | 1 | 0 |
| 2014 | 3 | 3 |
| 2015 | 0 | 5 |
| 2016 | 2 | 1 |
| 2017 | 3 | 0 |
| 2018 | 3 | 9 |
| 2019 | 3 | 0 |
| 2020 | 2 | 3 |
| 2021 | 0 | 4 |
| 2022 | 0 | 5 |
| 2023 | 1 | 3 |
| 2024 | 3 | 5 |
| 2025 | 6 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Conversion coating application system including hydrogels and methods of using same5 Aug 2025US 12,378,674 B2Chemeon Surface Technology, LLC
- Conversion coating application system including hydrogels and methods of using same5 Aug 2025US 12,378,675 B2Chemeon Surface Technology, LLC
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- Super-hydrophobic manganese dioxide coating on metallic material surfaces20 May 2025US 12,305,291 B2East China Jiaotong University
- Systems and methods for treating a substrate7 May 2026US 2026/0124642 A1PPG Industries Ohio, Inc.
- Conversion coating application system including hydrogels and methods of using same23 Oct 2025US 2025/0327186 A1Chemeon Surface Technology, LLC
- Conversion coating application system including hydrogels and methods of using same23 Oct 2025US 2025/0327187 A1Chemeon Surface Technology, LLC
- Compositions, systems, and methods for treating a substrate15 May 2025US 2025/0154663 A1PPG Industries Ohio, Inc.
- Conversion coating application system including hydrogels and methods of using same3 Oct 2024US 2024/0327989 A1Chemeon Surface Technology, LLC
Most cited
By later US patents
- Composite of metal and resin and method for manufacturing same10US 8,703,272 B2Taisei Plas Co., Ltd. · 2014
- Composition and process for treating surfaces or light metals and their alloys7US 6,485,580 B1Henkel Corporation · 2002
- Process and solution for providing a conversion coating on a metallic surface I5US 6,773,516 B2Commonwealth Scientific and Industrial Research Organisation · 2004
- Method of anodizing of magnesium and magnesium alloys and producing conductive layers on an anodized surface5US 6,875,334 B2Alonim Holding Agricultural Cooperative Society Ltd. · 2005
- Halogen-free trivalent chromium conversion coating4US 7,989,078 B2United Technologies Corporation · 2011