C10G 17/10
Recovery of used refining agents
C10G17/10 (Recovery of used refining agents) appears on 11 US grants and 11 published applications in this corpus.
Search patents in C10G- Granted patents
- 11
- Published applications
- 11
- Assignees
- 8
- Inventors
- 28
- Latest grant
- 29 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 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 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 4 |
| 2020 | 2 | 2 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for removing metals in petroleum oil using an organophosphorus compound and microwaves29 Aug 2023US 11,739,273 B2GreeNovel Inc.
- Non-solvent crude oil heavy oil stream de-asphalting process22 Feb 2022US 11,254,879 B2Saudi Arabian Oil Company
- On-board separation of oxygenates from fuels9 Nov 2021US 11,168,275 B2Battelle Memorial Institute
- Non-solvent crude oil heavy oil stream de-asphalting process23 Mar 2021US 10,954,454 B2Saudi Arabian Oil Company
- Non-solvent asphaltene removal from crude oil using solid heteropoly compounds13 Oct 2020US 10,800,979 B2Saudi Arabian Oil Company
- Process for removing metals in petroleum oil using an organophosphorus compound and microwaves3 Feb 2022US 2022/0033715 A1GreeNovel Inc.
- Non-Solvent Crude Oil Heavy Oil Stream De-Asphalting Process27 May 2021US 2021/0155857 A1Saudi Arabian Oil Company
- On-board separation of oxygenates from fuels23 Apr 2020US 2020/0123462 A1Battelle Memorial Institute
- Non-solvent crude oil heavy oil stream de-asphalting process2 Apr 2020US 2020/0102507 A1Saudi Arabian Oil Company
- Treatment Process for Polluted Oil Sludge3 Oct 2019US 2019/0300795 A1
Most cited
By later US patents
- Process for the regeneration of spent sulfuric acid20US 4,376,107 A1983
- Two-step heterocyclic nitrogen extraction from petroleum oils11US 4,960,507 AShell Oil Company · 1990
- Treating oily wastes5US 5,347,069 AChevron Research and Technology Company · 1994
- Non-solvent asphaltene removal from crude oil using solid heteropoly compounds2US 10,308,880 B2Saudi Arabian Oil Company · 2019