C09K 23/08
Sulfation or sulfonation products of fats, oils, waxes, or higher fatty acids
Official title: Sulfation or sulfonation products of fats, oils, waxes, or higher fatty acids or esters thereof with monovalent alcohols
C09K23/08 (Sulfation or sulfonation products of fats, oils, waxes, or higher fatty acids) appears on 26 US grants and 11 published applications in this corpus.
Search patents in C09K- Granted patents
- 26
- Published applications
- 11
- Assignees
- 22
- Inventors
- 97
- Latest grant
- 26 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Surfactant composition for foaming sand26 Nov 2024US 12,152,189 B2Nof Corporation
- Treatment of subterranean formations28 May 2024US 11,993,747 B1Saudi Arabian Oil Company
- Unsaturated fatty alcohol derivatives from natural oil metathesis19 Sep 2023US 11,760,889 B2Stepan Company
- Blast mitigation foam concentrates and foams made therefrom24 Nov 2020US 10,843,154 B1National Technology & Engineering Solutions of Sandia, LLC
- Unsaturated fatty alcohol derivatives from natural oil metathesis18 Aug 2020US 10,745,347 B2Stepan Company
- Use of surfactant formulations comprising long-chain alcohols in aqueous polyurethane dispersions28 Dec 2023US 2023/0416497 A1Evonik Operations GmbH
- Systems and methods for stabilizing emulsions28 Jul 2022US 2022/0235292 A1Dropworks, Inc.
- Surfactant composition for foaming sand21 Jul 2022US 2022/0228067 A1Nof Corporation
- Use of surfactant formulations comprising long-chain alcohols in aqueous polyurethane dispersions30 Dec 2021US 2021/0403673 A1Evonik Operations GmbH
- Unsaturated fatty alcohol derivatives from natural oil metathesis5 Nov 2020US 2020/0347245 A1Stepan Company
Most cited
By later US patents
- Water-based foaming composition-method for making same72US 6,172,010 B2Institut Francais du Petrole · 2001
- Cosurfactant blends for oil recovery surfactant system11US 4,258,789 APhillips Petroleum Company · 1981
- Polyfluorinated quaternary ammonium salts8US 4,000,175 AProduits Chimiques Ugine Kuhlmann · 1976
- Carbamates of beta-hydroxyethylsulfoxides8US 4,511,730 AStandard Oil Company (Indiana) · 1985
- Microemulsion for the decontamination of articles contaminated with chemical warfare agents8US 5,612,300 A1997