C10G 73/025
By filtration
Official title: {by filtration}
C10G73/025 (By filtration) appears on 14 US grants and 5 published applications in this corpus.
Search patents in C10G- Granted patents
- 14
- Published applications
- 5
- Assignees
- 10
- Inventors
- 44
- Latest grant
- 11 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wax and lube base stock products using shape selective membrane separation11 Mar 2025US 12,247,174 B2Exxon Mobil Technology and Engineering Company
- Solvent dewaxing with solvents near miscibility limit14 Dec 2021US 11,198,827 B2ExxonMobil Research and Engineering Company
- Method for haze mitigation and filterability improvement for base stocks12 Mar 2013US 8,394,256 B2ExxonMobil Research and Engineering Company
- Petroleum-wax separation15 Feb 2000US 6,024,862 AAdvanced Refining Technologies LLC
- Petroleum-wax separation29 Dec 1998US 5,853,564 AAdvanced Refining Technologies LLC
- Method for dewaxing extract oil and rubber oil29 Jan 2026US 2026/0028542 A1China University of Petroleum (East China)
- Wax And Lube Base Stock Products Using Shape Selective Membrane Separation6 Jul 2023US 2023/0212468 A1ExxonMobil Technology and Engineering Company
- Solvent dewaxing with solvents near miscibility limit20 Aug 2020US 2020/0263099 A1ExxonMobil Research and Engineering Company
- Process of lost wax micro casting with recycling of exhausted wax21 Mar 2019US 2019/0084034 A1Europea Microfusioni Aerospaziali S.P.A.
- Method for haze mitigation and filterability improvement base stocks14 Apr 2011US 2011/0083995 A1ExxonMobil Research and Engineering Company
Most cited
By later US patents
- Petroleum-wax separation20US 5,474,668 AAdvanced Refining Technologies LLC · 1995
- Solvent recovery from foots oil using modified regenerated cellulose membranes19US 4,368,112 AExxon Research & Engineering Co. · 1983
- Petroleum-wax separation19US 5,620,588 A1997
- Process for petroleum - wax separation at or above room temperature15US 5,196,116 ADiversified Petroleum Recovery, Inc. · 1993
- Process for removing haze from dewaxed hydrocarbon oil mixture boiling in the lubricating oil range (OP-3379)7US 4,820,400 AExxon Research & Engineering Co. · 1989