C11D 1/46
Esters of carboxylic acids with amino alcohols
Official title: Esters of carboxylic acids with amino alcohols; Esters of amino carboxylic acids with alcohols
C11D1/46 (Esters of carboxylic acids with amino alcohols) appears on 67 US grants and 55 published applications in this corpus.
Search patents in C11D- Granted patents
- 67
- Published applications
- 55
- Assignees
- 32
- Inventors
- 160
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 9 | 2 |
| 2003 | 3 | 1 |
| 2004 | 1 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 3 |
| 2016 | 2 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 2 | 3 |
| 2020 | 1 | 3 |
| 2021 | 2 | 8 |
| 2022 | 1 | 8 |
| 2023 | 6 | 9 |
| 2024 | 7 | 4 |
| 2025 | 4 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water-soluble cleaning agent sheet and preparation method and application method thereof5 May 2026US 12,618,020 B2Guangzhou Joyson Cleaning Products Co., Ltd.
- Epoxidized oil-based surfactant and compositions comprising the same31 Mar 2026US 12,588,676 B2Nouryon Chemicals International B. V.
- Fabric softening composition comprising esterquat, cationic acrylic polymer, and germicidal cationic surfactant18 Nov 2025US 12,473,514 B2Henkel AG & Co. KGaA
- Additive for cleaning SCR systems5 Aug 2025US 12,378,505 B2Tunap GmbH & Co. KG
- Personal cleansing composition comprising a mixture of two polyglycerol fatty acid esters and a sugar fatty acid ester15 Jul 2025US 12,359,146 B2Merry Plus Corporation
- Compositions, methods and uses28 Aug 2025US 2025/0270473 A1Innospec Limited
- Amino acid surfactants14 Aug 2025US 2025/0257029 A1AdvanSix Resins & Chemicals LLC
- Water-soluble cleaning agent sheet and preparation method and application method thereof8 May 2025US 2025/0145906 A1Guangzhou Joyson Cleaning Products Co., Ltd.
- Surfactants for cleaning products14 Nov 2024US 2024/0376412 A1AdvanSix Resins & Chemicals LLC
- Additive for cleaning scr systems7 Nov 2024US 2024/0368504 A1Tunap GmbH & Co. KG
Most cited
By later US patents
- Quaternary compounds, compositions containing them, and uses thereof83US 6,458,343 B1Goldschmidt Chemical Corporation · 2002
- Aqueous, gel laundry detergent composition40US 6,506,716 B1The Procter & Gamble Company · 2003
- Fabric softening bar compositions containing fabric softener and enduring perfume32US 5,500,137 AThe Procter & Gamble Company · 1996
- Concentrated fabric conditioning compositions31US 5,403,499 ALever Brothers Company, Division of Conopco, Inc. · 1995
- Concentrated liquid fabric softening composition30US 5,501,806 AColgate-Palmolive Company · 1996