C23C 22/80
With solutions containing titanium or zirconium compounds
Official title: with solutions containing titanium or zirconium compounds
C23C22/80 (With solutions containing titanium or zirconium compounds) appears on 52 US grants and 61 published applications in this corpus.
Search patents in C23C- Granted patents
- 52
- Published applications
- 61
- Assignees
- 44
- Inventors
- 194
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 2 | 4 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 3 |
| 2015 | 0 | 5 |
| 2016 | 5 | 1 |
| 2017 | 2 | 5 |
| 2018 | 2 | 6 |
| 2019 | 2 | 3 |
| 2020 | 4 | 4 |
| 2021 | 0 | 5 |
| 2022 | 4 | 3 |
| 2023 | 3 | 4 |
| 2024 | 3 | 6 |
| 2025 | 0 | 0 |
| 2026 | 1 | 3 |
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
- Component31 Dec 2024US 12,180,596 B2Aktiebolaget Skf
- Pretreatment agent and chemical conversion treatment agent23 Apr 2024US 11,965,247 B2Nihon Parkerizing Co., Ltd.
- Method for treating surfaces of aluminum containing substrates16 Apr 2024US 11,958,989 B2Chemetall GmbH
- Method for corrosion-protective and cleaning pretreatment of metallic components19 Sep 2023US 11,761,092 B2Henkel AG & Co. KGaA
- Method for Passivating a Metal Surface, Particularly an Aluminum Surface24 Sep 2026US 2026/0287283 A1Mahle International GmbH
- Environment-friendly water-based treatment agent for improving phosphatability of high-strength steel26 Feb 2026US 2026/0055511 A1Baoshan Iron & Steel Co., Ltd.
- Pretreated aluminum alloy tab stock19 Feb 2026US 2026/0048896 A1Novelis Inc.
- Systems and method for treating a substrate17 Oct 2024US 2024/0344230 A1PPG Industries Ohio, Inc.
- Pretreatment Agent and Chemical Conversion Treatment Agent4 Jul 2024US 2024/0218520 A1Nihon Parkerizing Co., Ltd.
Most cited
By later US patents
- Process for producing phosphate coatings30US 4,539,051 AParker Chemical Company · 1985
- Pretreatment compositions for metals24US 4,497,667 AAmchem Products, Inc. · 1985
- Method for treating metallic surfaces15US 6,572,983 B2Nippon Paint Co., Ltd. · 2003
- Method of preparing titanium-containing phosphate conditioner for metal surfaces13US 4,152,176 AR. O. Hull & Company, Inc. · 1979
- Composition and process for treating steel13US 4,486,241 AAmchem Products, Inc. · 1984