C23C 22/44
Containing also fluorides or complex fluorides
Official title: containing also fluorides or complex fluorides
C23C22/44 (Containing also fluorides or complex fluorides) appears on 114 US grants and 122 published applications in this corpus.
Search patents in C23C- Granted patents
- 114
- Published applications
- 122
- Assignees
- 72
- Inventors
- 366
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 3 |
| 2003 | 1 | 12 |
| 2004 | 5 | 5 |
| 2005 | 4 | 3 |
| 2006 | 3 | 4 |
| 2007 | 0 | 5 |
| 2008 | 1 | 2 |
| 2009 | 1 | 6 |
| 2010 | 3 | 3 |
| 2011 | 1 | 3 |
| 2012 | 3 | 1 |
| 2013 | 0 | 11 |
| 2014 | 6 | 3 |
| 2015 | 3 | 8 |
| 2016 | 5 | 6 |
| 2017 | 4 | 5 |
| 2018 | 9 | 4 |
| 2019 | 4 | 4 |
| 2020 | 4 | 4 |
| 2021 | 1 | 4 |
| 2022 | 3 | 3 |
| 2023 | 5 | 5 |
| 2024 | 5 | 8 |
| 2025 | 4 | 3 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chemical treatment liquid and method for chemical treatment of target metal material26 May 2026US 12,637,773 B2Dipsol Chemicals Co., Ltd.
- Surface-treated steel24 Feb 2026US 12,559,830 B2Nippon Steel Corporation
- Surface-treated steel sheet30 Dec 2025US 12,509,777 B2Nippon Steel Corporation
- Surface-treated steel sheet14 Oct 2025US 12,442,085 B2Nippon Steel Corporation
- Surface-treated steel sheet for organic resin coating and method of producing same, and organic resin coated steel sheet and method of producing same5 Aug 2025US 12,378,673 B2Jfe Steel Corporation
- Grain-oriented electrical steel sheet and method for forming intermediate layer and insulating coating included in grain-oriented electrical steel sheet6 Aug 2026US 2026/0226574 A1Nippon Steel Corporation
- Chemical conversion agent23 Jul 2026US 2026/0209948 A1Nihon Parkerizing Co., Ltd.
- Aluminum Material or Aluminum Alloy Material Provided With Coating Film, Method for Producing Same, and Aqueous Surface Treatment Agent16 Jul 2026US 2026/0201563 A1Nihon Parkerizing Co., Ltd.
- Corrosion-inhibiting coatings for metal mesh gaskets and metallic particles18 Jun 2026US 2026/0167830 A1The Patent Well LLC
- Systems and methods for treating a substrate7 May 2026US 2026/0124642 A1PPG Industries Ohio, Inc.
Most cited
By later US patents
- Composition and process for treating metals64US 5,449,415 AHenkel Corporation · 1995
- Chromium-free surface treatment44US 4,264,378 AOxy Metal Industries Corporation · 1981
- Zinc phosphate coating compositions containing oxime accelerators34US 5,588,989 APPG Industries, Inc. · 1996
- Process for treating aluminum cans30US 4,017,334 AOxy Metal Industries Corporation · 1977
- Surface treatment chemical and bath for aluminum and its alloy30US 4,992,115 ANippon Paint Co., Ltd. · 1991