C11D 1/528
Carboxylic amides , where at least one of the chains r1, r2
Official title: {Carboxylic amides (R1-CO-NR2R3), where at least one of the chains R1, R2 or R3 is interrupted by a functional group, e.g. a -NH-, -NR-, -CO-, or -CON- group (ethers C11D1/526)}
C11D1/528 (Carboxylic amides , where at least one of the chains r1, r2) appears on 156 US grants and 63 published applications in this corpus.
Search patents in C11D- Granted patents
- 156
- Published applications
- 63
- Assignees
- 69
- Inventors
- 350
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 15 | 0 |
| 1999 | 12 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 2 |
| 2002 | 11 | 5 |
| 2003 | 9 | 3 |
| 2004 | 6 | 3 |
| 2005 | 2 | 3 |
| 2006 | 0 | 4 |
| 2007 | 2 | 6 |
| 2008 | 6 | 6 |
| 2009 | 2 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 2 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 4 |
| 2018 | 0 | 1 |
| 2019 | 4 | 4 |
| 2020 | 2 | 1 |
| 2021 | 2 | 3 |
| 2022 | 2 | 3 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Blends of N-acyl alaninates and other N-acyl amino acid surfactants and derivatives thereof22 Sep 2026US 12,742,134 B2The Procter & Gamble Company
- Multi-surfactant system electrostatically coupled to a cellulose nanocrystal comprising a cetrimonium chloride/fatty acid surfactant mixture6 Jan 2026US 12,516,268 B2The Penn State Research Foundation
- Single chamber water-soluble refill dose article enclosing a concentrated cleanser composition and kits having same4 Feb 2025US 12,215,298 B2Hayden Products LLC
- 2-in-1 sanitizing and rinse aid compositions employing amine based surfactants in machine warewashing28 Jan 2025US 12,209,228 B2Ecolab USA Inc.
- Water-soluble refill dose article enclosing a concentrated cleanser composition and kits having same18 Jun 2024US 12,011,492 B2Hayden Products LLC
- Etching composition and use thereof23 Jul 2026US 2026/0209640 A1Ningbo Anji Microelectronics Technology Co.
- Multi-Surfactant Systems16 Jul 2026US 2026/0201272 A1The Penn State Research Foundation
- Cationic Surfactants with Improved pH Stability and Their Use29 Jan 2026US 2026/0028552 A1Locus Solutions Ipco, LLC
- Organic Ricinoleate Salts As Deodorizing Agents3 Apr 2025US 2025/0107986 A1Colonial Chemical Inc.
- 2-in-1 sanitizing and rinse aid compositions employing amine based surfactants in machine warewashing4 Jan 2024US 2024/0002750 A1Ecolab USA Inc.
Most cited
By later US patents
- Dentifrice compositions111US 5,603,920 AThe Proctor & Gamble Company · 1997
- Detergent compositions containing amine and specially selected perfumes95US 5,929,022 AThe Procter & Gamble Company · 1999
- Thickened, highly aqueous liquid detergent compositions58US 6,221,825 B1The Procter & Gamble Company · 2001
- Fabric softener composition56US 4,661,267 AThe Procter & Gamble Company · 1987
- Aqueous, gel laundry detergent composition40US 6,506,716 B1The Procter & Gamble Company · 2003