C02F 2305/04
Surfactants, used as part of a formulation or alone
C02F2305/04 (Surfactants, used as part of a formulation or alone) appears on 297 US grants and 506 published applications in this corpus.
Search patents in C02F- Granted patents
- 297
- Published applications
- 506
- Assignees
- 297
- Inventors
- 1,057
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 6 |
| 2004 | 3 | 6 |
| 2005 | 1 | 9 |
| 2006 | 4 | 9 |
| 2007 | 7 | 14 |
| 2008 | 4 | 11 |
| 2009 | 7 | 12 |
| 2010 | 8 | 13 |
| 2011 | 12 | 25 |
| 2012 | 6 | 15 |
| 2013 | 10 | 23 |
| 2014 | 10 | 14 |
| 2015 | 11 | 22 |
| 2016 | 11 | 33 |
| 2017 | 22 | 20 |
| 2018 | 15 | 13 |
| 2019 | 19 | 29 |
| 2020 | 18 | 24 |
| 2021 | 25 | 35 |
| 2022 | 13 | 33 |
| 2023 | 20 | 40 |
| 2024 | 19 | 37 |
| 2025 | 26 | 33 |
| 2026 | 11 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity8 Sep 2026US 12,729,140 B2Ecolab USA Inc.
- Formulations and processes for treating water from impacted sources25 Aug 2026US 12,714,991 B2Brown University
- Dewatering method and system18 Aug 2026US 12,709,562 B2Weir Minerals Australia Ltd.
- Methods for biological processing of hydrocarbon-containing substances and system for realization thereof28 Jul 2026US 12,692,444 B2CarbonadeUSA, Corp.
- Application of surfmers to mitigate fouling in olefins plants5 May 2026US 12,618,017 B2Sabic Global Technologies B.V.
- Complexated biomolecules for use in contaminated soil or groundwater cleanup8 Oct 2026US 2026/0308334 A1BlueHalo, LLC
- Mil-125-nh2 metal organic framework nanocomposite membrane for treating oily wastewater and a method of preparation thereof10 Sep 2026US 2026/0264025 A1King Fahd University of Petroleum and Minerals
- Content-filling system and sterilizing method27 Aug 2026US 2026/0250116 A1Dai Nippon Printing Co.Ltd.
- Improved biocide compositions13 Aug 2026US 2026/0231947 A1Solugen, Inc.
- Coagulant compositions and methods of use6 Aug 2026US 2026/0225932 A1Locus Solutions Ipco, LLC
Most cited
By later US patents
- Modified polysaccharides47US 7,727,945 B2Akzo Nobel N. V. · 2010
- Process to manufacture stabilized alkali or alkaline earth metal hypobromite and uses thereof in water treatment to control microbial fouling46US 5,942,126 ANalco Chemical Company · 1999
- Enzymatic decontamination38US 8,080,404 B1The United States of America as represented by the Secretary of the Army · 2011
- Treatment of a waste stream through production and utilization of oxyhydrogen gas36US 7,160,472 B2Xogen Technologies Inc. · 2007
- Quick inverting liquid flocculant32US 6,485,651 B1Ondeo Nalco Company · 2002