C23C 22/03
Containing phosphorus compounds
Official title: containing phosphorus compounds
C23C22/03 (Containing phosphorus compounds) appears on 57 US grants and 49 published applications in this corpus.
Search patents in C23C- Granted patents
- 57
- Published applications
- 49
- Assignees
- 51
- Inventors
- 184
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 6 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 1 | 4 |
| 2011 | 1 | 2 |
| 2012 | 2 | 0 |
| 2013 | 2 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 3 |
| 2016 | 2 | 1 |
| 2017 | 2 | 0 |
| 2018 | 1 | 4 |
| 2019 | 1 | 2 |
| 2020 | 3 | 3 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 3 |
| 2024 | 3 | 4 |
| 2025 | 1 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steel sheet with excellent phosphatability and manufacturing method therefor6 Oct 2026US 12,753,458 B2Posco
- Pretreatment method of aluminum alloy coil20 Jan 2026US 12,529,146 B2Shanghai Mingjie Chem-Technologies Co., Ltd.
- Sanitary equipment part and method of producing the same7 Jan 2025US 12,188,132 B2Toto Ltd.
- Coated aluminum material for joining and aluminum resin composite material6 Aug 2024US 12,053,952 B2Nippon Light Metal Company, Ltd.
- Non-oriented electrical steel sheet and method for manufacturing same9 Jul 2024US 12,033,776 B2Nippon Steel Corporation
- Fire retardant material30 Jul 2026US 2026/0217892 A1King Fahd University of Petroleum and Minerals
- Method of pre-treating metallic substrates5 Feb 2026US 2026/0035802 A1Chemetall GmbH
- Metal member, metal-resin composite body, and method for producing metal member22 May 2025US 2025/0161980 A1Mitsui Chemicals, Inc.
- Surface-treated cutting blades demonstrating extended blade edge retention and decreased friction, and methods of reducing deposition of a contaminant on a surface of a metal cutting blade1 May 2025US 2025/0135670 A1
- Sanitary equipment part and method of producing the same6 Mar 2025US 2025/0075332 A1Toto Ltd.
Most cited
By later US patents
- Method of providing corrosion protection75US 5,853,797 ALucent Technologies Inc. · 1998
- Alcohol-based precursor solutions for producing metal phosphate materials and coating50US 6,036,762 A2000
- Deposition of discrete nanoparticles on an implant surface35US 7,771,774 B2Biomet 3l, LLC · 2010
- Phosphate coated iron powder and method for the manufacturing thereof22US 6,348,265 B1Höganäs AB · 2002
- Solvent recovery method17US 4,289,586 AFinishing Equipment, Inc. · 1981