C02F 3/344
For digestion of mineral oil
Official title: {for digestion of mineral oil}
C02F3/344 (For digestion of mineral oil) appears on 124 US grants and 92 published applications in this corpus.
Search patents in C02F- Granted patents
- 124
- Published applications
- 92
- Assignees
- 96
- Inventors
- 336
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 1 |
| 2002 | 7 | 2 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 6 |
| 2010 | 3 | 1 |
| 2011 | 1 | 4 |
| 2012 | 0 | 4 |
| 2013 | 1 | 4 |
| 2014 | 5 | 6 |
| 2015 | 6 | 8 |
| 2016 | 3 | 6 |
| 2017 | 4 | 1 |
| 2018 | 4 | 5 |
| 2019 | 3 | 3 |
| 2020 | 1 | 5 |
| 2021 | 5 | 6 |
| 2022 | 1 | 0 |
| 2023 | 4 | 8 |
| 2024 | 5 | 8 |
| 2025 | 1 | 6 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Genetically modified microorganisms that carry out the heterologous production of modified versions of the surfactant protein LV-ranaspumin-1(LV-RSN-1), the modified versions of said surfactant protein, the synthetic genes encoding said surfactant protein, the expression cassettes containing said synthetic genes, and the expression vectors containing said synthetic genes21 Apr 2026US 12,606,601 B2Petroleo Brasileiro S.A. - Petrobras
- Method for microbially enhanced oil recovery23 Sep 2025US 12,421,441 B1King Fahd University of Petroleum and Minerals
- Compositions and methods for cleaning contaminated solids and liquids10 Dec 2024US 12,162,054 B2
- Methods for the amelioration of oil toxicity and stimulation of bacterial oil degradation1 Oct 2024US 12,103,880 B2University of South Caroina
- Graphene-magnetite conductive skeleton electrode, preparation method and application thereof, and method for treating petrochemical wastewater17 Sep 2024US 12,091,340 B2Nankai University
- Process for the degradation of one or more hydrocarbons19 Feb 2026US 2026/0049014 A1Paqell B.V.
- Waste treatment system and method of converting waste into energy3 Jul 2025US 2025/0214879 A1Industrial Technology Research Institute
- Compositions, systems, and methods for processing recirculating aquaculture water15 May 2025US 2025/0154040 A1683107 Alberta Ltd.
- Nutrient supplemented carbonized aerogels1 May 2025US 2025/0136487 A1B. G. Negev Technologies and Applications Ltd.
- Compositions and Methods for Cleaning Contaminated Solids and Liquids20 Mar 2025US 2025/0091107 A1
Most cited
By later US patents
- Bioremediation of petroleum pollutants with alkane-utilizing bacteria39US 6,110,372 A2000
- Biodegradation of oil on water surfaces38US 3,959,127 AThe United States of America as represented by the Secretary of the Navy · 1976
- Ground contamination remediation process37US 5,279,740 AAT&T Bell Laboratories · 1994
- Degradation of petroleum hydrocarbons with organisms encapsulated in wax36US 5,807,724 A1998
- Use of microorganisms in combination with surface active agents to synergistically disperse oil slicks34US 4,146,470 AExxon Research & Engineering Co. · 1979