C23C 2222/00
Aspects relating to chemical surface treatment of metallic material by reaction of
Official title: Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
C23C2222/00 (Aspects relating to chemical surface treatment of metallic material by reaction of) appears on 586 US grants and 718 published applications in this corpus.
Search patents in C23C- Granted patents
- 586
- Published applications
- 718
- Assignees
- 342
- Inventors
- 1,507
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 11 | 0 |
| 1995 | 15 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 12 | 0 |
| 2001 | 11 | 13 |
| 2002 | 22 | 12 |
| 2003 | 15 | 25 |
| 2004 | 22 | 32 |
| 2005 | 12 | 19 |
| 2006 | 15 | 35 |
| 2007 | 10 | 17 |
| 2008 | 4 | 21 |
| 2009 | 13 | 35 |
| 2010 | 13 | 38 |
| 2011 | 17 | 36 |
| 2012 | 19 | 26 |
| 2013 | 20 | 25 |
| 2014 | 20 | 33 |
| 2015 | 15 | 33 |
| 2016 | 32 | 36 |
| 2017 | 17 | 26 |
| 2018 | 22 | 26 |
| 2019 | 27 | 42 |
| 2020 | 25 | 43 |
| 2021 | 21 | 36 |
| 2022 | 25 | 21 |
| 2023 | 21 | 28 |
| 2024 | 28 | 31 |
| 2025 | 30 | 20 |
| 2026 | 9 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for coating zinc die-cast parts, multi-layered coating for the protection of zinc die-cast parts, and coated zinc die-cast part4 Aug 2026US 12,698,564 B2Fnt Co., Ltd.
- Passivation composition and method for depositing a chromium-comprising passivation layer on a zinc or zinc-nickel coated substrate7 Jul 2026US 12,674,236 B2Atotech Deutschland GmbH
- Chemical conversion treatment solution, chemical conversion treatment method in which same is used, and chemical conversion coating9 Jun 2026US 12,649,972 B2Dipsol Chemicals Co., Ltd.
- Chemical conversion coating agent, surface-treated metal and surface treatment method5 May 2026US 12,618,159 B2Nippon Paint Surf Chemicals Co., Ltd.
- 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
- Phosphonate-free, aqueous pickling compositions and their use27 Aug 2026US 2026/0250850 A1Chemetall GmbH
- Insulation coating film composition for grain-oriented electrical steel sheet, preparation method therefor, grain-oriented electrical steel sheet having an insulation coating film formed on surface thereof by using same, and manufacturing method therefor23 Jul 2026US 2026/0209120 A1Posco
- Composition for forming insulating film on electrical steel sheet, electrical steel sheet, and method for manufacturing electrical steel sheet23 Jul 2026US 2026/0209946 A1Posco
- Chemical conversion agent23 Jul 2026US 2026/0209948 A1Nihon Parkerizing Co., Ltd.
- Composition for treating surface of ternary hot-dip galvanized steel sheet having excelent corrosion resistance and environmental stability, ternary hot-dip galvanized steel sheet that is surface-treated using same, and method for manufacturing same18 Jun 2026US 2026/0168073 A1Noroo Coil Coatings Co., Ltd.
Most cited
By later US patents
- Steel sheet with enhanced corrosion resistance having a silane treated silicate coating80US 5,108,793 AArmco Steel Corporation · 1992
- Method of preventing corrosion of metals using silanes78US 5,750,197 AUniversity of Cincinnati · 1998
- Silane-based, coating compositions, coated articles obtained therefrom and methods of using same75US 6,432,191 B12002
- Composition of organofluorine-functional silanes and/or siloxanes, process for preparing it and its use64US 6,361,871 B1Degussa AG · 2002
- Metallic coated steel having a siloxane film providing temporary corrosion protection and method therefor60US 5,292,549 AArmco Inc. · 1994