C09K 23/04
Sulfonates or sulfuric acid ester salts derived from polyhydric alcohols or amino
Official title: Sulfonates or sulfuric acid ester salts derived from polyhydric alcohols or amino alcohols or derivatives thereof (sulfated or sulfonated fatty oils C09K23/08)
C09K23/04 (Sulfonates or sulfuric acid ester salts derived from polyhydric alcohols or amino) appears on 29 US grants and 21 published applications in this corpus.
Search patents in C09K- Granted patents
- 29
- Published applications
- 21
- Assignees
- 33
- Inventors
- 131
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 2 |
| 2024 | 3 | 2 |
| 2025 | 0 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aqueous dispersions of paraffin inhibitors16 Jun 2026US 12,655,363 B2BASF SE
- Aqueous emulsifier package with anionic surfactant for fuel emulsion27 Jan 2026US 12,534,678 B2BASF SE
- Surfactant composition for foaming sand26 Nov 2024US 12,152,189 B2Nof Corporation
- Surfactant composition25 Jun 2024US 12,018,230 B2Kao Corporation
- Treatment of subterranean formations28 May 2024US 11,993,747 B1Saudi Arabian Oil Company
- Composite emulsifier and oil-based drilling fluid13 Aug 2026US 2026/0234461 A1China Petroleum & Chemical Corporation
- Surfactant composition, composition for emulsion polymerization, method of producing polymer emulsion, and polymer emulsion29 Jan 2026US 2026/0028459 A1Adeka Corporation
- Uses, methods and compositions17 Jul 2025US 2025/0230361 A1Innospec Active Chemicals LLC
- Reactive emulsifier-containing composition and method of storing reactive emulsifier19 Jun 2025US 2025/0197540 A1Adeka Corporation
- Emulsifying compositions comprising fatty acid or fatty ester reaction products of saccharide polymers formulated with mixed surfactants22 May 2025US 2025/0163327 A1Integrity Bio-Chemicals, LLC
Most cited
By later US patents
- Polymer-microemulsion complexes for the enhanced recovery of oil102US 4,353,806 AExxon Research & Engineering Co. · 1982
- Oil recovery process using polymer microemulsion complexes92US 4,360,061 AExxon Research & Engineering Co. · 1982
- Dispersants26US 6,197,877 B1Zeneca Limited · 2001
- Fluorinated sulfosuccinates16US 4,167,639 AHoechst Aktiengesellschaft · 1979
- Aqueous fortified rosin dispersions16US 4,199,369 AHercules Incorporated · 1980