C23F 1/32
Alkaline compositions
Official title: Alkaline compositions (C23F1/42 takes precedence)
C23F1/32 (Alkaline compositions) appears on 317 US grants and 375 published applications in this corpus.
Search patents in C23F- Granted patents
- 317
- Published applications
- 375
- Assignees
- 255
- Inventors
- 892
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 11 | 6 |
| 2003 | 5 | 4 |
| 2004 | 5 | 9 |
| 2005 | 4 | 8 |
| 2006 | 8 | 15 |
| 2007 | 2 | 7 |
| 2008 | 3 | 13 |
| 2009 | 6 | 9 |
| 2010 | 6 | 6 |
| 2011 | 6 | 11 |
| 2012 | 6 | 10 |
| 2013 | 11 | 11 |
| 2014 | 7 | 12 |
| 2015 | 18 | 22 |
| 2016 | 11 | 31 |
| 2017 | 11 | 26 |
| 2018 | 16 | 15 |
| 2019 | 17 | 19 |
| 2020 | 14 | 17 |
| 2021 | 12 | 23 |
| 2022 | 16 | 31 |
| 2023 | 15 | 29 |
| 2024 | 26 | 15 |
| 2025 | 23 | 16 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing plasmonic-nanostructure spectrally selective solar absorber having high solar absorptance, low thermal emittance, and high thermal stability16 Jun 2026US 12,656,024 B2Northeastern University
- Method for treating transition metal semiconductor, and reducing agent-containing treatment liquid for transition metal oxide12 May 2026US 12,628,593 B2Tokuyama Corporation
- Etching solution and etching method for gold or gold alloy14 Apr 2026US 12,600,908 B2Kanto Kagaku Kabushiki Kaisha
- Composition and method for creating nanoscale surface geometry on an implantable device31 Mar 2026US 12,590,248 B2Tech Met, Inc.
- Treatment liquid for semiconductor with ruthenium27 Jan 2026US 12,538,727 B2Tokuyama Corporation
- Porous metal structures incorporating nanoparticles13 Aug 2026US 2026/0232876 A1Yissum Research Development Company of the Hebrew University of Jerusalem
- Composition and method for creating nanoscale surface geometry on an implantable device30 Jul 2026US 2026/0218048 A1Tech Met, Inc.
- Method for treating transition metal semiconductor, and reducing agent-containing treatment liquid for transition metal oxide23 Jul 2026US 2026/0215188 A1Tokuyama Corporation
- 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.
Most cited
By later US patents
- Etching of metallic composite articles159US 6,468,439 B1BMC Industries, Inc. · 2002
- Circuit manufacturing using etched tri-metal media125US 6,365,057 B1BMC Industries, Inc. · 2002
- Lamination of circuit sub-elements while assuring registration120US 6,409,930 B1BMC Industries, Inc. · 2002
- Method of etching back of tungsten layers on semiconductor wafers, and solution therefore110US 4,992,135 AMicron Technology, Inc. · 1991
- Generation of compact alumina passivation layers on aluminum plasma equipment components108US 9,903,020 B2APPLIED Materials.Inc. · 2018