B09C 1/025
Using an oil as solvent or extracting agent
Official title: {using an oil as solvent or extracting agent}
B09C1/025 (Using an oil as solvent or extracting agent) appears on 30 US grants and 13 published applications in this corpus.
Search patents in B09C- Granted patents
- 30
- Published applications
- 13
- Assignees
- 23
- Inventors
- 66
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 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 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 4 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 2 | 2 |
| 2023 | 1 | 0 |
| 2024 | 2 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Detection and extraction of NAPL contaminates14 Apr 2026US 12,601,344 B2NAPL Solutions, LLC
- Zero-valent metal suspension in non-aqueous phase for water remediation1 Oct 2024US 12,103,057 B2Tersus Environmental LLC
- Solid waste treatment system and method3 Sep 2024US 12,076,767 B2GFL Environmental Services Inc.
- Solid waste treatment system and method3 Jan 2023US 11,541,438 B2Cleanearth Technologies Inc.
- Zero-valent metal suspension in non-aqueous phase for water remediation8 Nov 2022US 11,491,522 B2Tersus Environmental LLC
- Detection and extraction of napl contaminates1 May 2025US 2025/0137451 A1NAPL Solutions, LLC
- Zero-valent metal suspension in non-aqueous phase for water remediation8 Dec 2022US 2022/0388047 A1Tersus Environmental LLC
- Solid waste treatment system and method24 Nov 2022US 2022/0371064 A1Cleanearth Technologies Inc.
- Zero-valent metal suspension in non-aqueous phase for water remediation20 Aug 2020US 2020/0261953 A1Tersus Environmental LLC
- Solid waste treatment system and method16 Jul 2020US 2020/0222953 A1Cleanearth Technologies Inc.
Most cited
By later US patents
- Solvent soaps and methods employing same152US 5,723,423 AUnion Oil Company of California, dba UNOCAL · 1998
- Method for cleaning an oil-coated substrate55US 5,634,984 AUnion Oil Company of California · 1997
- Separation of oils from solids47US 5,234,577 AUnion Oil Company of California · 1993
- Separation of oils from solids45US 5,156,686 AUnion Oil Company of California · 1992
- Method for cleaning an oil-coated substrate38US 5,788,781 AUnion Oil Company of California · 1998