C02F 2101/325
Emulsions
Official title: {Emulsions}
C02F2101/325 (Emulsions) appears on 192 US grants and 269 published applications in this corpus.
Search patents in C02F- Granted patents
- 192
- Published applications
- 269
- Assignees
- 183
- Inventors
- 568
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 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 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 4 |
| 2005 | 5 | 6 |
| 2006 | 1 | 9 |
| 2007 | 4 | 10 |
| 2008 | 6 | 9 |
| 2009 | 9 | 8 |
| 2010 | 6 | 8 |
| 2011 | 6 | 15 |
| 2012 | 9 | 13 |
| 2013 | 6 | 12 |
| 2014 | 4 | 22 |
| 2015 | 8 | 13 |
| 2016 | 10 | 19 |
| 2017 | 12 | 12 |
| 2018 | 18 | 14 |
| 2019 | 14 | 14 |
| 2020 | 10 | 13 |
| 2021 | 16 | 15 |
| 2022 | 10 | 11 |
| 2023 | 6 | 17 |
| 2024 | 7 | 7 |
| 2025 | 9 | 6 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method to treat and minimize sludge from biorefineries30 Jun 2026US 12,668,519 B2Baker Hughes Oilfield Operations LLC
- Accelerated settlement of flocs after electrocoagulation/electrochemical process using ballasted flocculation7 Apr 2026US 12,595,194 B2Evoqua Water Technologies LLC
- Method for refinery wastewater treatment, a system and uses thereof7 Apr 2026US 12,595,195 B2Indian Oil Corporation Limited
- Zero liquid discharge water management system31 Mar 2026US 12,590,017 B2Saudi Arabian Oil Company
- Compositions and related kits and methods for water treatment10 Mar 2026US 12,569,782 B2InnoTech Alberta Inc.
- 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
- Method for plasma treatment of a mixture of at least two liquid phases for the separation of the two liquid phases of the mixture13 Aug 2026US 2026/0234035 A1
- Countercurrent-cocurrent dissolved air flotation process system16 Jul 2026US 2026/0200762 A1Guangdong Ocean University
- Accelerated settlement of flocs after electrocoagulation/electrochemical process using ballasted flocculation2 Jul 2026US 2026/0184610 A1Evoqua Water Technologies LLC
- Compositions and related kits and methods for water treatment18 Jun 2026US 2026/0166450 A1InnoTech Alberta Inc.
Most cited
By later US patents
- Method of removing dispersed oil from an oil in water emulsion employing aerated solutions within a coalescing media53US 5,656,173 ANational Tank Company · 1997
- Reconditioning and reuse of chilled water for poultry and food processing51US 5,173,190 A1992
- Water treatment and steam generation system for enhanced oil recovery and a method using same49US 10,357,726 B2Great Ocean Ltd. · 2019
- Transiently-operated desalination systems with heat recovery and associated methods30US 9,266,748 B1Gradiant Corporation · 2016
- Industrial waste water reclamation process28US 5,207,921 A1993