C10G 25/006
Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents
Official title: {of waste oils, e.g. PCB's containing oils}
C10G25/006 (Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents) appears on 22 US grants and 18 published applications in this corpus.
Search patents in C10G- Granted patents
- 22
- Published applications
- 18
- Assignees
- 24
- Inventors
- 84
- Latest grant
- 22 Apr 2025
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 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 2 | 2 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 3 |
| 2021 | 1 | 0 |
| 2022 | 2 | 3 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nanocomposites and related methods22 Apr 2025US 12,281,017 B2Northwestern University
- Oleophilic hydrophobic magnetic porous materials11 Mar 2025US 12,246,968 B2Northwestern University
- Free fatty acid separation and recovery using resin24 Oct 2023US 11,795,403 B2The Board of Trustees of the University of Illinois
- Removing aromatic compounds from a hydrocarbon fluid27 Dec 2022US 11,535,810 B2Castrol Limited
- Desulfurization and sulfur tolerant hydrogenation processes of hydrocarbon feedstocks22 Feb 2022US 11,254,880 B2Advanced Energy Materials, LLC
- Production of sustainable high-quality oils of white mineral oil purity through treatment of re-refined base oils3 Sep 2026US 2026/0258306 A1HollyFrontier LSP Brand Strategies LLC
- Methods and systems for co-feeding plastic waste-oil blends into a refinery reactor23 Jul 2026US 2026/0208128 A1Braskem S/A
- Adsorbent composition with improved filtration behavior20 Nov 2025US 2025/0354070 A1Clariant International Ltd.
- Method for recycling waste engine oil12 Dec 2024US 2024/0409821 A1PurePath (Chongqing) Petroleum Engineering Co., LTD.
- Removal of organic chlorides from renewable feedstocks12 Sep 2024US 2024/0301320 A1
Most cited
By later US patents
- Apparatus for continually upgrading transformer dielectric liquid46US 4,437,082 AWestinghouse Electric Corp. · 1984
- Removal of carcinogenic hydrocarbons from used lubricating oil using activated carbon22US 4,977,871 AExxon Chemical Patents Inc. · 1990
- Removal of polyhalogenated biphenyls from organic liquids20US 4,526,677 ARockwell International Corporation · 1985
- Electrical inductive apparatus18US 4,124,834 AWestinghouse Electric Corp. · 1978
- Process for treating contaminated transformer oil15US 4,498,992 APetro-Williams Service Company · 1985