C11D 1/521
Carboxylic amides , where r1, r2 and r3 are alkyl or alkenyl
Official title: {Carboxylic amides (R1-CO-NR2R3), where R1, R2 and R3 are alkyl or alkenyl groups}
C11D1/521 (Carboxylic amides , where r1, r2 and r3 are alkyl or alkenyl) appears on 127 US grants and 65 published applications in this corpus.
Search patents in C11D- Granted patents
- 127
- Published applications
- 65
- Assignees
- 41
- Inventors
- 239
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 8 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 2 |
| 2003 | 9 | 5 |
| 2004 | 2 | 3 |
| 2005 | 2 | 4 |
| 2006 | 1 | 2 |
| 2007 | 1 | 3 |
| 2008 | 2 | 4 |
| 2009 | 1 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 2 |
| 2012 | 2 | 3 |
| 2013 | 1 | 2 |
| 2014 | 3 | 5 |
| 2015 | 4 | 5 |
| 2016 | 2 | 1 |
| 2017 | 3 | 6 |
| 2018 | 2 | 5 |
| 2019 | 2 | 4 |
| 2020 | 4 | 0 |
| 2021 | 2 | 2 |
| 2022 | 0 | 0 |
| 2023 | 3 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Alkyl amides for enhanced food soil removal and asphalt dissolution31 Dec 2024US 12,180,439 B2Ecolab USA Inc.
- Alkyl amides for enhanced food soil removal and asphalt dissolution5 Dec 2023US 11,834,624 B2Ecolab USA Inc.
- Solvent application in bottle wash using amidine based formulas18 Apr 2023US 11,629,312 B2Ecolab USA Inc.
- Non-aqueous aerosol foam and methods of making thereof28 Feb 2023US 11,591,551 B2Illinois Tool Works Inc.
- Alkyl hydroxybutyrate cleaning composition and method of cleaning air intake valve deposits2 Mar 2021US 10,934,508 B2Valvoline Licensing and Intellectual Property LLC
- Dishwashing detergent composition15 May 2025US 2025/0154434 A1Reckitt Benckiser Finish B.V.
- Alkyl amides for enhanced food soil removal and asphalt dissolution15 Feb 2024US 2024/0052271 A1Ecolab USA Inc.
- Purging compound for resin processing machine26 Oct 2023US 2023/0340380 A1Asahi Kasei Kabushiki Kaisha
- Non-aqueous aerosol foam and methods of making thereof2 Sep 2021US 2021/0269752 A1Illinois Tool Works Inc.
- Solvent application in bottle wash using amidine based formulas15 Apr 2021US 2021/0108157 A1Ecolab USA Inc.
Most cited
By later US patents
- Mid-chain branched surfactants193US 6,020,303 AThe Procter & Gamble Company · 2000
- Mid-chain branched alkyl sulfate surfactants175US 6,060,443 AThe Procter & Gamble Company · 2000
- Detergent compositions containing selected mid-chain branched surfactants167US 6,326,348 B1The Procter & Gamble Company · 2001
- Mid-Chain branched Alkoxylated Sulfate Surfactants147US 6,008,181 AThe Procter & Gamble Company · 1999
- Liquid detergent composition containing alkyl sulfate and alkyl ethoxylated sulfate88US 4,316,824 AThe Procter & Gamble Company · 1982