C23C 22/365
Containing also zinc and nickel cations
Official title: {containing also zinc and nickel cations}
C23C22/365 (Containing also zinc and nickel cations) appears on 46 US grants and 38 published applications in this corpus.
Search patents in C23C- Granted patents
- 46
- Published applications
- 38
- Assignees
- 23
- Inventors
- 124
- Latest grant
- 21 Jan 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 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 3 |
| 2003 | 5 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 4 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 4 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 2 | 2 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 1 | 3 |
| 2019 | 0 | 1 |
| 2020 | 1 | 3 |
| 2021 | 1 | 1 |
| 2022 | 3 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Alternative composition and alternative method for effectively phosphating metal surfaces21 Jan 2025US 12,203,173 B2Chemetall GmbH
- Method for nickel-free phosphating metal surfaces9 May 2023US 11,643,731 B2Chemetall GmbH
- Method for specifically adjusting the electrical conductivity of conversion coatings8 Nov 2022US 11,492,707 B2Chemetall GmbH
- Method for zinc phosphating metal components in series so as to form layers1 Nov 2022US 11,486,044 B2Henkel AG & Co. KGaA
- Method for zinc phosphating metal components in series in a sludge-free manner so as to form layers25 Oct 2022US 11,479,865 B2Henkel AG & Co. KGaA
- Environment-friendly water-based treatment agent for improving phosphatability of high-strength steel26 Feb 2026US 2026/0055511 A1Baoshan Iron & Steel Co., Ltd.
- Multi-stage treatment for activated zinc phosphating of metallic components20 Nov 2025US 2025/0354269 A1Henkel AG & Co. KGaA
- Alternative composition and alternative method for effectively phosphating metal surfaces21 Apr 2022US 2022/0119957 A1Chemetall GmbH
- Process for selective phosphating of a composite metal construction4 Mar 2021US 2021/0062346 A1
- Improved method for nickel-free phosphating metal surfaces25 Jun 2020US 2020/0199758 A1Chemetall GmbH
Most cited
By later US patents
- Process for treating steel-, zinc- and aluminum-based metals using a two-step coating system23US 6,733,896 B2Henkel Corporation · 2004
- Zinc phosphate conversion coating and process19US 5,261,973 AHenkel Corporation · 1993
- Phosphate-treated steel plate18US 6,509,099 B1NKK Corporation · 2003
- Protective coating processes for zinc coated steel13US 5,082,511 AHenkel Corporation · 1992
- Acid aqueous phosphatic solution and process using same for phosphating metal surfaces13US 5,714,047 ANovamax ITB s.r.l. · 1998