C09K 23/36
Esters of polycarboxylic acids
C09K23/36 (Esters of polycarboxylic acids) appears on 21 US grants and 17 published applications in this corpus.
Search patents in C09K- Granted patents
- 21
- Published applications
- 17
- Assignees
- 26
- Inventors
- 98
- Latest grant
- 11 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 4 |
| 2023 | 1 | 2 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Porous polyurethane for consolidation of material in subterranean formations26 Mar 2024US 11,939,517 B2Saudi Arabian Oil Company
- Thickened organic liquid compositions with polymeric rheology modifiers20 Jun 2023US 11,678,661 B2Nouryon Chemicals International B. V.
- Hydrocarbon-containing carboxylic acid, hydrocarbon-containing sulfonic acid, hydrocarbon-containing sulfuric acid ester or salt thereof, and surfactant14 Dec 2021US 11,198,670 B2Daikin Industries, Ltd.
- Device for receiving fluid24 Mar 2020US 10,597,628 B2Blacktrace Holdings Limited
- Emulsifier and emulsion stabilizer comprising crosslinked polyester elastomer30 Jul 2026US 2026/0218054 A1
- Composition and method for abating fouling by low-density inorganic, organic and inorganic-organic hybrid foulants in hydrocarbon processes10 Apr 2025US 2025/0115811 A1Ecolab USA Inc.
- Porous polyurethane for consolidation of material in subterranean formations6 Jun 2024US 2024/0182773 A1Saudi Arabian Oil Company
- Alkylphenol-free reactive nonionic surfactant, process to obtain the alkylphenol-free reactive nonionic surfactant, latexes obtained by emulsion polymerization, water-based coating composition with high water resistance, and use of water-based coating composition27 Jul 2023US 2023/0235231 A1Oxiteno S.A. Industria E Comercio
- Stable, liquid emulsifiers on the basis of citrate esters and their use30 Mar 2023US 2023/0101832 A1Symrise AG
Most cited
By later US patents
- Surfactant copolymers based on methylidene malonate58US 6,750,298 B1Virsol · 2004
- Hydrated polyglycerol ester composition32US 3,936,391 AThe Drackett Company · 1976
- Microemulsion20US 6,140,375 ATaisho Pharmaceutical Co., Ltd. · 2000
- Soapless shave composition18US 4,046,874 AMead Johnson & Company · 1977
- Water-in-oil emulsifiers for slow release fertilizers using tertiary alkanol amines16US 5,512,079 AThe Lubrizol Corporation · 1996