C23C 22/184
Containing also nickel cations
Official title: {containing also nickel cations}
C23C22/184 (Containing also nickel cations) appears on 39 US grants and 21 published applications in this corpus.
Search patents in C23C- Granted patents
- 39
- Published applications
- 21
- Assignees
- 21
- Inventors
- 110
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 6 | 2 |
| 2004 | 3 | 4 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 4 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing a flat steel product having a protective zinc-based metal layer and a phosphating layer produced on a surface of the protective metal layer and flat steel product of this type19 May 2026US 12,630,929 B2ThyssenKrupp Steel Europe AG
- Method for applying a conversion coating with an aquous pickling composition comprising an aminophosphonic acid and a polymer24 Mar 2026US 12,584,229 B2Chemetall GmbH
- Alternative composition and alternative method for effectively phosphating metal surfaces21 Jan 2025US 12,203,173 B2Chemetall GmbH
- Alkaline molybdenum cation and phosphonate-containing cleaning composition6 Dec 2022US 11,518,960 B2PPG Industries Ohio, Inc.
- Method for applying a phosphate covering and use of metal parts thus phospated24 Apr 2007US 7,208,053 B2Chemetall GmbH
- Phosphonate-free, aqueous pickling compositions and their use27 Aug 2026US 2026/0250850 A1Chemetall GmbH
- Aqueous Pickling Compositions and Their Use10 Aug 2023US 2023/0250537 A1Chemetall GmbH
- Aqueous Pickling Compositions and Their Use13 Jul 2023US 2023/0220560 A1Chemetall GmbH
- Phosphonate-Free, Aqueous Pickling Compositions and Their Use8 Jun 2023US 2023/0175142 A1Chemetall GmbH
- Method for Producing a Flat Steel Product Having a Protective Zinc-Based Metal Layer and a Phosphating Layer Produced on a Surface of the Protective Metal Layer and Flat Steel Product of This Type5 Jan 2023US 2023/0002877 A1ThyssenKrupp Steel Europe AG
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
- Zinc phosphate conversion coating and process19US 5,261,973 AHenkel Corporation · 1993
- Phosphate coating composition and method of applying a zinc-nickel-manganese phosphate coating18US 5,238,506 AChemfil Corporation · 1993
- Post-passivation of a phosphatized metal surface15US 6,645,316 B1Henkel Kommanditgesellschaft auf Aktien · 2003