C23C 22/47
Containing also phosphates
Official title: containing also phosphates
C23C22/47 (Containing also phosphates) appears on 21 US grants and 29 published applications in this corpus.
Search patents in C23C- Granted patents
- 21
- Published applications
- 29
- Assignees
- 22
- Inventors
- 84
- Latest grant
- 9 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 3 |
| 2004 | 1 | 0 |
| 2005 | 2 | 3 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 2 | 3 |
| 2011 | 3 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Corrosion-resistant trivalent-chromium chemical conversion coating and solution for trivalent-chromium chemical treatment9 May 2023US 11,643,732 B2Dipsol Chemicals Co., Ltd.
- Solution composition containing trivalent chromium for surface treatment of steel sheet, galvanized steel sheet surface—treated with same, and method for manufacturing galvanized25 Apr 2023US 11,634,818 B2Posco
- Insulating coating for electrical steel sheet17 May 2022US 11,332,831 B2Nippon Steel Corporation
- Water-based lubricating coating agent for metal material, surface-treated metal material, and method for forming lubricating coating for metal material1 Sep 2020US 10,760,029 B2Nihon Parkerizing Co., Ltd.
- Surface treatment method and coating method for steel material, and method for producing machine component5 Sep 2017US 9,752,225 B2Cotec Corporation
- Environment-friendly water-based treatment agent for improving phosphatability of high-strength steel26 Feb 2026US 2026/0055511 A1Baoshan Iron & Steel Co., Ltd.
- Anticorrosion treatment solution and uses22 Jun 2023US 2023/0193472 A1Centre National De La Recherche Scientifique
- Solution composition containing trivalent chromium for surface treatment of steel sheet, galvanized steel sheet surface-treated with same, and method for manufacturing galvanized steel sheet17 Sep 2020US 2020/0291527 A1Posco
- Water-based lubricating coating agent for metal material, surface-treated metal material, and method for forming lubricating coating for metal material8 Nov 2018US 2018/0320101 A1Nihon Parkerizing Co., Ltd.
- Insulating coating for electrical steel sheet7 Jun 2018US 2018/0155840 A1Nippon Steel & Sumitomo Metal Corporation
Most cited
By later US patents
- Metal surface refinement using dense alumina-based media35US 4,818,333 ARem Chemicals, Inc. · 1989
- Solution and process for the chemical conversion of metal substrates9US 4,474,626 ARoquette Freres · 1984
- Composition and process for treating tinplate9US 5,498,300 AHenkel Corporation · 1996
- Processing solution for forming hexavalent chromium free and corrosion resistant conversion film on zinc or zinc alloy plating layers, hexavalent chromium free and corrosion resistant conversion film and method for forming the same8US 6,719,852 B2Dipsol Chemicals Co., Ltd. · 2004
- Metal coloring process and solutions therefor7US 6,899,956 B2Birchwood Laboratories, Inc. · 2005