C23C 22/38
Containing also phosphates
Official title: containing also phosphates
C23C22/38 (Containing also phosphates) appears on 25 US grants and 5 published applications in this corpus.
Search patents in C23C- Granted patents
- 25
- Published applications
- 5
- Assignees
- 18
- Inventors
- 62
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cr(III) based dry-in-place coating composition for zinc coated steel6 Jan 2026US 12,516,418 B2Henkel AG & Co. KGaA
- Grain-oriented electrical steel sheet, method for manufacturing grain-oriented electrical steel sheet, and method for evaluating grain-oriented electrical steel sheet14 Oct 2025US 12,442,053 B2Jfe Steel Corporation
- Method for manufacturing a grain-oriented electrical steel sheet7 Feb 2023US 11,572,602 B2Jfe Steel Corporation
- Surface-treated steel sheet coated with chromate film for fuel tanks and method of fabricating the same20 May 2003US 6,565,671 B1Pohang Iron & Steel Co., Ltd.
- Water-based surface-treating agent for metallic material10 Sep 2002US 6,447,620 B1Henkel Corporation
- 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.
- Grain-oriented electrical steel sheet, method for manufacturing grain-oriented electrical steel sheet, and method for evaluating grain-oriented electrical steel sheet7 Dec 2023US 2023/0392223 A1Jfe Steel Corporation
- Cr(iii) based dry-in-place coating composition for zinc coated steel23 Nov 2023US 2023/0374665 A1Henkel AG & Co. KGaA
- Method for manufacturing a grain-oriented electrical steel sheet7 Oct 2021US 2021/0310096 A1Jfe Steel Corporation
- Grain-oriented electrical steel sheet, manufacturing method therefor, and method for predicting transformer noise property3 May 2018US 2018/0119244 A1Jfe Steel Corporation
Most cited
By later US patents
- Composition and process for chromating galvanized steel and like materials24US 5,091,023 AHenkel Corporation · 1992
- Metal surface treatment and aqueous solution therefor22US 5,246,507 AKao Corporation · 1993
- Conversion treatment method and composition for aluminum and aluminum alloys20US 5,451,271 AHenkel Corporation · 1995
- Chromate coating of zinc surfaces15US 4,749,418 ANihon Parkerizing Co., Ltd. · 1988
- Chromate treatment bath composition and process for application to metals13US 6,149,735 AHenkel Corporation · 2000