C23C 22/42
Containing also phosphates
Official title: containing also phosphates
C23C22/42 (Containing also phosphates) appears on 79 US grants and 80 published applications in this corpus.
Search patents in C23C- Granted patents
- 79
- Published applications
- 80
- Assignees
- 63
- Inventors
- 287
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 5 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 2 | 0 |
| 2008 | 1 | 4 |
| 2009 | 1 | 1 |
| 2010 | 2 | 4 |
| 2011 | 2 | 1 |
| 2012 | 1 | 5 |
| 2013 | 0 | 3 |
| 2014 | 4 | 1 |
| 2015 | 1 | 6 |
| 2016 | 3 | 0 |
| 2017 | 1 | 5 |
| 2018 | 4 | 5 |
| 2019 | 2 | 4 |
| 2020 | 6 | 4 |
| 2021 | 3 | 3 |
| 2022 | 2 | 3 |
| 2023 | 4 | 1 |
| 2024 | 1 | 11 |
| 2025 | 2 | 1 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Grain-oriented electrical steel sheet and method for forming insulating coating16 Jun 2026US 12,655,502 B2Nippon Steel Corporation
- Grain-oriented electrical steel sheet and method for forming insulating coating16 Jun 2026US 12,655,503 B2Nippon Steel Corporation
- Grain-oriented electrical steel sheet17 Feb 2026US 12,555,709 B2Nippon Steel Corporation
- Passivation composition based on mixtures of phosphoric and phosphonic acids30 Sep 2025US 12,428,733 B2Henkel AG & Co. KGaA
- Surface treatment solution composition containing trivalent chromium and inorganic compound, and method for manufacturing hot dip galvanized steel sheet surface-treated using same11 Feb 2025US 12,221,702 B2Posco
- Grain-oriented electrical steel sheet and insulating coating forming method10 Sep 2026US 2026/0265882 A1Nippon Steel Corporation
- Coating material, oriented silicon steel sheet having coating formed from coating material, and manufacturing method therefor3 Sep 2026US 2026/0258252 A1Baoshan Iron & Steel Co., Ltd.
- Grain-oriented electrical steel sheet and method for forming insulating coating20 Aug 2026US 2026/0242905 A1Nippon Steel Corporation
- Grain-oriented electrical steel sheet and method for forming intermediate layer and insulating coating included in grain-oriented electrical steel sheet6 Aug 2026US 2026/0226574 A1Nippon Steel Corporation
- Non-oriented electrical steel sheet9 Jul 2026US 2026/0193478 A1Nippon Steel Corporation
Most cited
By later US patents
- Chromium-free surface treatment44US 4,264,378 AOxy Metal Industries Corporation · 1981
- Zinc phosphate coating compositions containing oxime accelerators34US 5,588,989 APPG Industries, Inc. · 1996
- Phosphatization of steel surfaces and metal-coated surfaces26US 4,233,088 AInternational Lead Zinc Research Organization, Inc. · 1980
- Treating solution and treating method for forming protective coating films on metals23US 6,096,140 ANihon Hyomen Kagaku Kabushiki Kaisha · 2000
- Metallic sliding material19US 5,879,816 ANihon Parkerizing Co., Ltd. · 1999