C23C 22/362
Containing also zinc cations
Official title: {containing also zinc cations}
C23C22/362 (Containing also zinc cations) appears on 70 US grants and 38 published applications in this corpus.
Search patents in C23C- Granted patents
- 70
- Published applications
- 38
- Assignees
- 30
- Inventors
- 165
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 3 |
| 2011 | 1 | 5 |
| 2012 | 0 | 1 |
| 2013 | 3 | 4 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 3 | 1 |
| 2018 | 0 | 3 |
| 2019 | 0 | 2 |
| 2020 | 1 | 2 |
| 2021 | 1 | 2 |
| 2022 | 3 | 2 |
| 2023 | 0 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aqueous dispersion for activating a metal surface and method for the phosphating thereof21 Jan 2025US 12,203,172 B2Henkel AG & Co. KGaA
- 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
- Method for nickel-free phosphating metal surfaces21 Sep 2021US 11,124,880 B2Chemetall GmbH
- 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
- Multi-stage treatment for activated zinc phosphatizing of metallic components with zinc surfaces15 Aug 2024US 2024/0271289 A1Henkel AG & Co. KGaA
- One-stage process for zinc phosphating13 Jul 2023US 2023/0220559 A1Henkel AG & Co. KGaA
- Resource-saving method for zinc phosphating of a metal surface8 Jun 2023US 2023/0175138 A1Henkel AG & Co. KGaA
Most cited
By later US patents
- Phosphate coating composition and method of applying a zinc-nickel phosphate coating43US 4,793,867 AChemfil Corporation · 1988
- Zinc phosphate coating compositions containing oxime accelerators34US 5,588,989 APPG Industries, Inc. · 1996
- Coating compositions and method for the treatment of metal surfaces28US 4,470,853 ACoral Chemical Company · 1984
- Zinc phosphate coating process19US 4,865,653 AHenkel Corporation · 1989
- Phosphate coating composition and method of applying a zinc-nickel-manganese phosphate coating18US 5,238,506 AChemfil Corporation · 1993