C23F 1/16
Acidic compositions
Official title: Acidic compositions (C23F1/42 takes precedence)
C23F1/16 (Acidic compositions) appears on 1,323 US grants and 1,442 published applications in this corpus.
Search patents in C23F- Granted patents
- 1,323
- Published applications
- 1,442
- Assignees
- 703
- Inventors
- 3,254
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 8 | 0 |
| 1978 | 9 | 0 |
| 1979 | 9 | 0 |
| 1980 | 11 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 13 | 0 |
| 1984 | 15 | 0 |
| 1985 | 11 | 0 |
| 1986 | 8 | 0 |
| 1987 | 5 | 0 |
| 1988 | 11 | 0 |
| 1989 | 13 | 0 |
| 1990 | 17 | 0 |
| 1991 | 7 | 0 |
| 1992 | 13 | 0 |
| 1993 | 16 | 0 |
| 1994 | 11 | 0 |
| 1995 | 13 | 0 |
| 1996 | 12 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 21 | 0 |
| 2000 | 19 | 0 |
| 2001 | 18 | 12 |
| 2002 | 43 | 45 |
| 2003 | 42 | 39 |
| 2004 | 33 | 50 |
| 2005 | 17 | 50 |
| 2006 | 31 | 41 |
| 2007 | 22 | 32 |
| 2008 | 23 | 38 |
| 2009 | 19 | 46 |
| 2010 | 23 | 48 |
| 2011 | 30 | 45 |
| 2012 | 36 | 49 |
| 2013 | 45 | 53 |
| 2014 | 37 | 55 |
| 2015 | 53 | 100 |
| 2016 | 54 | 78 |
| 2017 | 32 | 62 |
| 2018 | 56 | 74 |
| 2019 | 64 | 73 |
| 2020 | 53 | 79 |
| 2021 | 66 | 83 |
| 2022 | 57 | 73 |
| 2023 | 49 | 66 |
| 2024 | 60 | 56 |
| 2025 | 47 | 52 |
| 2026 | 30 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composition and method for treating substrate6 Oct 2026US 12,753,342 B2FUJIFILM Corporation
- Method for forming robust hydrophobic surfaces on steel workpiece6 Oct 2026US 12,753,490 B2Hong Kong Applied Science and Technology Research Institute Company Limited
- Continuous coil pretreatment process6 Oct 2026US 12,753,515 B2Arconic Technologies LLC
- Production method for etching liquid composition6 Oct 2026US 12,753,516 B2Kao Corporation
- Substrate processing apparatus and substrate processing method18 Aug 2026US 12,713,865 B2Tokyo Electron Limited
- Continuous coil pretreatment process8 Oct 2026US 2026/0308766 A1Arconic Technologies LLC
- Etchant composition, method of patterning metal layer and method of producing display device using the same1 Oct 2026US 2026/0297755 A1Dongwoo Fine-Chem Co., Ltd.
- Compositions for uniform etching of high aspect ratio structures10 Sep 2026US 2026/0265922 A1Entegris, Inc.
- Porous metal structures incorporating nanoparticles13 Aug 2026US 2026/0232876 A1Yissum Research Development Company of the Hebrew University of Jerusalem
- Superabrasive compact surface treatments, coatings, reclaiming techniques, and related devices, methods, and systems6 Aug 2026US 2026/0225964 A1US Synthetic Corporation
Most cited
By later US patents
- Method for manufacturing porous structure and method for forming pattern645US 6,565,763 B1Kabushiki Kaisha Toshiba · 2003
- Temperature resistant abrasive compact and method for making same436US 4,224,380 AGeneral Electric Company · 1980
- Golf club head with a face composed of a forged material388US 6,354,962 B1Callaway Golf Company · 2002
- Low temperature system and method for CVD copper removal383US 5,897,379 ASharp Kabushiki Kaisha · 1999
- Multiple material golf club head377US 6,491,592 B2Callaway Golf Company · 2002