C11D 1/24
Containing ester or ether groups directly attached to the nucleus
Official title: containing ester or ether groups directly attached to the nucleus
C11D1/24 (Containing ester or ether groups directly attached to the nucleus) appears on 182 US grants and 139 published applications in this corpus.
Search patents in C11D- Granted patents
- 182
- Published applications
- 139
- Assignees
- 72
- Inventors
- 345
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 15 | 0 |
| 1983 | 18 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 5 |
| 2003 | 3 | 5 |
| 2004 | 5 | 7 |
| 2005 | 6 | 6 |
| 2006 | 6 | 4 |
| 2007 | 6 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 2 | 4 |
| 2012 | 2 | 2 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 2 | 5 |
| 2017 | 5 | 4 |
| 2018 | 4 | 35 |
| 2019 | 6 | 17 |
| 2020 | 6 | 10 |
| 2021 | 9 | 3 |
| 2022 | 7 | 6 |
| 2023 | 5 | 3 |
| 2024 | 1 | 5 |
| 2025 | 3 | 5 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chemical product comprising an anionic surfactant, chelant, and enzyme, and process for cleaning nanofiltration and reverse osmosis membranes7 Apr 2026US 12,595,436 B2Petroleo Brasileiro S.A. - Petrobras
- Post chemical mechanical planarization (CMP) cleaner comprising an organic acid/anionic surfactant mixture24 Feb 2026US 12,559,699 B2Versum Materials US, LLC
- Cleaning compositions and methods of use27 Jan 2026US 12,534,690 B2Ecolab USA Inc.
- Solidifying liquid anionic surfactants15 Jul 2025US 12,359,147 B2Ecolab USA Inc.
- Pressed manual dish detergent18 Feb 2025US 12,227,717 B2Ecolab USA Inc.
- Solidifying liquid anionic surfactants25 Sep 2025US 2025/0297196 A1Ecolab USA Inc.
- Pigment unit dose detergent19 Jun 2025US 2025/0197784 A1Henkel AG & Co. KGaA
- Detergent composition27 Mar 2025US 2025/0101341 A1Conopco, Inc., d/b/a UNILEVER
- Wash-Active Compounds20 Mar 2025US 2025/0091987 A1
- Water-soluble unit dose articles comprising water-soluble fibrous structures and particles23 Jan 2025US 2025/0027014 A1The Procter & Gamble Company
Most cited
By later US patents
- Stable cleaning agents of hypochlorite bleach and detergent78US 4,071,463 AThe Dow Chemical Company · 1978
- Liquid hard surface detergent compositions containing amphoteric detergent surfactant and specific anionic surfactant63US 5,362,422 AThe Procter & Gamble Company · 1994
- Lavatory cleansing and sanitizing blocks containing a halogen release bleach and a mineral oil stabilizer47US 5,205,955 AKiwi Brands, Inc. · 1993
- Lavatory cleansing and sanitizing blocks containing a halogen release bleach and a silicone oil stabilizer47US 5,336,427 AKiwi Brands, Inc. · 1994
- Hard surface cleaning compositions and method of removing stains45US 6,936,579 B2Reckitt Benckiser N.V. · 2005