C04B 41/5353
Wet etching
Official title: {Wet etching, e.g. with etchants dissolved in organic solvents}
C04B41/5353 (Wet etching) appears on 165 US grants and 95 published applications in this corpus.
Search patents in C04B- Granted patents
- 165
- Published applications
- 95
- Assignees
- 116
- Inventors
- 368
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 8 | 0 |
| 1992 | 0 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 0 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 3 |
| 2002 | 2 | 0 |
| 2003 | 3 | 5 |
| 2004 | 4 | 1 |
| 2005 | 2 | 2 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 2 | 3 |
| 2010 | 3 | 0 |
| 2011 | 2 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 2 |
| 2014 | 3 | 5 |
| 2015 | 2 | 6 |
| 2016 | 5 | 1 |
| 2017 | 1 | 3 |
| 2018 | 3 | 3 |
| 2019 | 4 | 8 |
| 2020 | 7 | 8 |
| 2021 | 4 | 6 |
| 2022 | 7 | 3 |
| 2023 | 1 | 4 |
| 2024 | 7 | 5 |
| 2025 | 6 | 12 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for controlling subcritical fracturing via chemical complexation reactions at the crack tip4 Aug 2026US 12,698,443 B1National Technology & Engineering Solutions of Sandia, LLC
- Methods to remove an EBC from a substrate and to repair a coated component5 May 2026US 12,617,735 B2General Electric Company
- Methods to remove an EBC from a substrate and to repair a coated component21 Apr 2026US 12,606,498 B2General Electric Company
- Monolithic substrate support having porous features and methods of forming the same14 Apr 2026US 12,600,682 B2APPLIED Materials.Inc.
- Sliding member and method of manufacturing sliding member17 Mar 2026US 12,577,178 B2KYOCERA Corporation
- Precipitation of cryolite in the max/mxene etching process - recovery of flouorine and reduction of wastewater10 Sep 2026US 2026/0265072 A1Drexel University
- Superabrasive compact surface treatments, coatings, reclaiming techniques, and related devices, methods, and systems6 Aug 2026US 2026/0225964 A1US Synthetic Corporation
- Producing a ceramic component16 Jul 2026US 2026/0202799 A1Rolex SA
- Machined Preform from Flow Path Direction with Overwrap and Method21 May 2026US 2026/0139594 A1Rtx Corporation
- Ceramic substrate, ceramic circuit board, semiconductor device, method for producing slurry, and method for applying release agent1 Jan 2026US 2026/0001819 A1Niterra Materials Co., Ltd.
Most cited
By later US patents
- Ceramic composite material and porous ceramic material77US 5,981,415 AUbe Industries, Ltd. · 1999
- Process for producing calcium phosphate ceramics having porous surface67US 5,017,518 AAsahi Kogaku Kogyo Kabushiki Kaisha · 1991
- Anisotropic metal oxide etch57US 5,238,529 ATexas Instruments Incorporated · 1993
- Method of polishing a semiconductor substrate during production of a semiconductor device46US 5,728,308 ASony Corporation · 1998
- Soluble surfactant additives for ammonium fluoride/hydrofluoric acid oxide etchant solutions40US 4,517,106 AAllied Corporation · 1985