C23C 22/68
Using aqueous solutions with ph between 6 and 8
Official title: using aqueous solutions with pH between 6 and 8
C23C22/68 (Using aqueous solutions with ph between 6 and 8) appears on 283 US grants and 287 published applications in this corpus.
Search patents in C23C- Granted patents
- 283
- Published applications
- 287
- Assignees
- 235
- Inventors
- 867
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 12 | 0 |
| 2001 | 15 | 5 |
| 2002 | 12 | 6 |
| 2003 | 7 | 13 |
| 2004 | 8 | 9 |
| 2005 | 5 | 13 |
| 2006 | 3 | 17 |
| 2007 | 4 | 6 |
| 2008 | 2 | 8 |
| 2009 | 4 | 12 |
| 2010 | 5 | 8 |
| 2011 | 6 | 15 |
| 2012 | 10 | 12 |
| 2013 | 6 | 9 |
| 2014 | 6 | 10 |
| 2015 | 8 | 15 |
| 2016 | 6 | 18 |
| 2017 | 4 | 7 |
| 2018 | 7 | 17 |
| 2019 | 12 | 14 |
| 2020 | 12 | 17 |
| 2021 | 9 | 9 |
| 2022 | 13 | 9 |
| 2023 | 2 | 13 |
| 2024 | 9 | 9 |
| 2025 | 8 | 8 |
| 2026 | 0 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Coating with strong adhesion for medical magnesium alloys and preparation thereof23 Dec 2025US 12,502,461 B2Suzhou Innotech Medical Technology Co., Ltd.
- Metal sheet treatment method and metal sheet treated with this method20 May 2025US 12,305,286 B2ArcelorMittal
- Coating agent for forming grain-oriented electrical steel sheet coating and method for manufacturing grain-oriented electrical steel sheet20 May 2025US 12,305,288 B2Nippon Steel Corporation
- Post-plating treatment method for one-step brass-electroplated steel wire29 Apr 2025US 12,286,723 B2Jiangsu Xingda Steel Tyre Cord Co., Ltd.
- Method for Passivating a Metal Surface, Particularly an Aluminum Surface24 Sep 2026US 2026/0287283 A1Mahle International GmbH
- Metal sheet with zinc hydroxysulfate/zinc sulfate-based protection layer17 Sep 2026US 2026/0275562 A1
- Surface-treated aluminum sheet, resin-coated surface- treated aluminum sheet, and molded body27 Aug 2026US 2026/0249592 A1
- Rust Prevention Method For Steel Material30 Jul 2026US 2026/0218387 A1JDC Corporation
- Unique colored resistant to corrosion metal23 Jul 2026US 2026/0209952 A1Novet Group Ltd
Most cited
By later US patents
- Reactor surface passivation through chemical deactivation137US 7,118,779 B2ASM America, Inc. · 2006
- Biocompatible titanium implant130US 5,855,612 AOhta Company Limited · 1999
- Reactor surface passivation through chemical deactivation92US 7,799,135 B2ASM America, Inc. · 2010
- Method of preventing corrosion of metals using silanes78US 5,750,197 AUniversity of Cincinnati · 1998
- Metallic coated steel having a siloxane film providing temporary corrosion protection and method therefor60US 5,292,549 AArmco Inc. · 1994