C23C 22/60
Using alkaline aqueous solutions with ph greater than 8
Official title: using alkaline aqueous solutions with pH greater than 8
C23C22/60 (Using alkaline aqueous solutions with ph greater than 8) appears on 393 US grants and 368 published applications in this corpus.
Search patents in C23C- Granted patents
- 393
- Published applications
- 368
- Assignees
- 313
- Inventors
- 1,079
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 17 | 0 |
| 1996 | 12 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 3 |
| 2002 | 10 | 6 |
| 2003 | 10 | 16 |
| 2004 | 6 | 9 |
| 2005 | 5 | 13 |
| 2006 | 2 | 14 |
| 2007 | 5 | 4 |
| 2008 | 1 | 10 |
| 2009 | 3 | 9 |
| 2010 | 8 | 9 |
| 2011 | 5 | 12 |
| 2012 | 9 | 9 |
| 2013 | 2 | 16 |
| 2014 | 3 | 12 |
| 2015 | 16 | 26 |
| 2016 | 9 | 30 |
| 2017 | 16 | 19 |
| 2018 | 18 | 25 |
| 2019 | 16 | 18 |
| 2020 | 10 | 21 |
| 2021 | 14 | 20 |
| 2022 | 10 | 14 |
| 2023 | 10 | 23 |
| 2024 | 18 | 10 |
| 2025 | 16 | 11 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Continuous coil pretreatment process6 Oct 2026US 12,753,515 B2Arconic Technologies LLC
- Method for producing hardened steel components with a conditioned zinc anti-corrosive layer31 Mar 2026US 12,590,346 B2voestalpine Stahl GmbH
- Preparation for pre-treating surfaces by chemically converting oxide layers of titanium or titanium alloys24 Mar 2026US 12,584,228 B2Airbus Operations GmbH
- Coating with strong adhesion for medical magnesium alloys and preparation thereof23 Dec 2025US 12,502,461 B2Suzhou Innotech Medical Technology Co., Ltd.
- Rust-proofing treatment method, and rust-proofing-treated article23 Dec 2025US 12,503,771 B2NOF Metal Coatings Asia Pacific Co., Ltd.
- Continuous coil pretreatment process8 Oct 2026US 2026/0308766 A1Arconic Technologies LLC
- 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
- Resin-coated aluminum seamless can, resin-coated aluminum sheet, and drawn and ironed can16 Jul 2026US 2026/0201565 A1Toyo Kohan Co.Ltd
- Method for manufacturing a surface-modified substrate using liquid metal and a surface-modified substrate manufactured by the method for manufacturing the same18 Jun 2026US 2026/0168103 A1University-Industry Cooperation Group of Kyung Hee University
Most cited
By later US patents
- Biocompatible titanium implant130US 5,855,612 AOhta Company Limited · 1999
- Generation of compact alumina passivation layers on aluminum plasma equipment components108US 9,903,020 B2APPLIED Materials.Inc. · 2018
- Conditioned semiconductor system parts107US 9,885,117 B2APPLIED Materials.Inc. · 2018
- Method of bonding copper and resin81US 4,642,161 AHitachi, Ltd. · 1987
- Process for treating copper surface74US 4,902,551 AHitachi Chemical Company, Ltd. · 1990