C23G 1/20
Other heavy metals
C23G1/20 (Other heavy metals) appears on 167 US grants and 155 published applications in this corpus.
Search patents in C23G- Granted patents
- 167
- Published applications
- 155
- Assignees
- 106
- Inventors
- 437
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 5 |
| 2002 | 7 | 3 |
| 2003 | 6 | 7 |
| 2004 | 4 | 7 |
| 2005 | 2 | 4 |
| 2006 | 2 | 5 |
| 2007 | 2 | 6 |
| 2008 | 4 | 15 |
| 2009 | 2 | 10 |
| 2010 | 3 | 7 |
| 2011 | 12 | 6 |
| 2012 | 4 | 4 |
| 2013 | 2 | 6 |
| 2014 | 3 | 4 |
| 2015 | 6 | 10 |
| 2016 | 8 | 10 |
| 2017 | 2 | 3 |
| 2018 | 2 | 6 |
| 2019 | 3 | 3 |
| 2020 | 4 | 4 |
| 2021 | 3 | 4 |
| 2022 | 3 | 3 |
| 2023 | 3 | 3 |
| 2024 | 1 | 9 |
| 2025 | 3 | 8 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for surface treatment by selective removal of a bonding primer on a titanium or titanium alloy substrate6 Oct 2026US 12,753,483 B2Safran Aircraft Engines
- Preparation for pre-treating surfaces by chemically converting oxide layers of titanium or titanium alloys24 Mar 2026US 12,584,228 B2Airbus Operations GmbH
- Die-casting metal part-polymer resin composite and method for preparing same23 Dec 2025US 12,503,789 B2Plastal SPA
- Composite copper components17 Jun 2025US 12,336,116 B2Namics Corporation
- Method for the cleaning and/or anti-corrosion pretreatment of a plurality of components comprising zinc-coated (ZM) steel25 Feb 2025US 12,234,561 B2Henkel AG & Co. KGaA
- Device and method for treating the surface of an optical element of a lithography system in an atomic layer depositon process or an atomic layer etching process25 Jun 2026US 2026/0177936 A1Carl Zeiss SMT GmbH
- Composition, method of treating metal-containing layer, and method of manufacturing semiconductor device4 Jun 2026US 2026/0152687 A1Samsung Electronics Co., Ltd.
- Composition, method of treating metal-containing layer by using the same, and method of manufacturing semiconductor device by using the same9 Apr 2026US 2026/0098346 A1Samsung Electronics Co., Ltd.
- Coating system removal method27 Nov 2025US 2025/0361809 A1ROLLS-ROYCE plc
- Composition, its use and a process for cleaning substrates comprising cobalt and copper2 Oct 2025US 2025/0305152 A1BASF SE
Most cited
By later US patents
- Cleaning compositions for removing etching residue and method of using150US 5,334,332 AEKC Technology, Inc. · 1994
- Post clean treatment composition comprising an organic acid and hydroxylamine137US 5,981,454 AEKC Technology, Inc. · 1999
- Stripping compositions comprising hydroxylamine and alkanolamine89US 5,279,771 AEKC Technology, Inc. · 1994
- Post clean treatment85US 6,156,661 AEKC Technology, Inc. · 2000
- Stabilized alkaline compositions for cleaning microelectronic substrates73US 6,599,370 B2Mallinckrodt Inc. · 2003