C11D 7/264
Aldehydes
Official title: {Aldehydes; Ketones; Acetals or ketals}
C11D7/264 (Aldehydes) appears on 255 US grants and 192 published applications in this corpus.
Search patents in C11D- Granted patents
- 255
- Published applications
- 192
- Assignees
- 161
- Inventors
- 553
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 13 | 0 |
| 1996 | 8 | 0 |
| 1997 | 11 | 0 |
| 1998 | 13 | 0 |
| 1999 | 7 | 0 |
| 2000 | 17 | 0 |
| 2001 | 14 | 4 |
| 2002 | 12 | 19 |
| 2003 | 13 | 12 |
| 2004 | 11 | 17 |
| 2005 | 5 | 11 |
| 2006 | 6 | 13 |
| 2007 | 10 | 11 |
| 2008 | 5 | 5 |
| 2009 | 10 | 6 |
| 2010 | 5 | 7 |
| 2011 | 5 | 6 |
| 2012 | 4 | 5 |
| 2013 | 3 | 7 |
| 2014 | 8 | 5 |
| 2015 | 4 | 6 |
| 2016 | 3 | 2 |
| 2017 | 3 | 4 |
| 2018 | 2 | 3 |
| 2019 | 1 | 7 |
| 2020 | 3 | 5 |
| 2021 | 4 | 4 |
| 2022 | 3 | 10 |
| 2023 | 3 | 4 |
| 2024 | 2 | 6 |
| 2025 | 7 | 7 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composition for semiconductor processing and processing method10 Mar 2026US 12,570,933 B2Jsr Corporation
- Process solution composition for polymer treatment comprising a fluorine compound, a ketone solvent, and a polar aprotic solvent30 Dec 2025US 12,509,598 B2Dongwoo Fine-Chem Co., Ltd.
- Vapor cleaning of substrate surfaces11 Nov 2025US 12,467,147 B2Lam Research Corporation
- Thinner composition and method of processing surfaces of semiconductor substrates19 Aug 2025US 12,393,122 B2SK hynix Inc.
- Composition for cleaning and assessing cleanliness in real-time20 May 2025US 12,305,146 B2Medivators Inc.
- Cleaning composition and method of forming photoresist pattern using the same1 Oct 2026US 2026/0297468 A1Dongwoo Fine-Chem Co., Ltd.
- A fragrance composition23 Jul 2026US 2026/0209631 A1
- A blend of emollients18 Jun 2026US 2026/0165929 A1
- Kit for cleaning swimming pool walls made of plastic or composite plastic material14 May 2026US 2026/0132357 A1
- Cleaning composition2 Apr 2026US 2026/0092239 A1Dongwoo Fine-Chem Co., Ltd.
Most cited
By later US patents
- Stripping composition and method of using the same114US 4,617,251 AOlin Hunt Specialty Products Inc. · 1986
- Aqueous degreaser compositions containing an organic solvent and a solubilizing coupler85US 5,080,822 ABuckeye International, Inc. · 1992
- Photoresist stripping composition and method72US 4,395,348 AEKC Technology, Inc. · 1983
- Method and composition for removing sulfide-containing scale from metal surfaces70US 4,289,639 AThe Dow Chemical Company · 1981
- Cleaning system utilizing an organic cleaning solvent and a pressurized fluid solvent68US 6,755,871 B2R. R. Street & Company, Inc. · 2004