C10G 19/08
Recovery of used refining agents
C10G19/08 (Recovery of used refining agents) appears on 76 US grants and 54 published applications in this corpus.
Search patents in C10G- Granted patents
- 76
- Published applications
- 54
- Assignees
- 37
- Inventors
- 171
- Latest grant
- 13 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 5 |
| 2004 | 1 | 1 |
| 2005 | 2 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 4 |
| 2011 | 3 | 3 |
| 2012 | 2 | 2 |
| 2013 | 3 | 2 |
| 2014 | 4 | 9 |
| 2015 | 4 | 3 |
| 2016 | 3 | 3 |
| 2017 | 1 | 3 |
| 2018 | 2 | 6 |
| 2019 | 5 | 1 |
| 2020 | 3 | 2 |
| 2021 | 4 | 3 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and process for controlling a sulfur extraction from a hydrocarbon stream13 Feb 2024US 11,898,103 B2Uop LLC
- Process for reducing the amount of carbon disulphide (CS2) in a hydrocarbon feed12 Apr 2022US 11,299,681 B2Reliance Industries Limited
- Conversion of MEROX process by-products to useful products in an integrated refinery process1 Mar 2022US 11,261,386 B2Saudi Arabian Oil Company
- Regeneration method for liquefied petroleum gas sweetening caustic12 Oct 2021US 11,142,716 B2PetroChina Company Limited
- Process to remove olefins from light hydrocarbon stream by mercaptanization followed by MEROX removal of mercaptans from the separated stream6 Apr 2021US 10,968,400 B2Saudi Arabian Oil Company
- A method for purification of liquefied waste plastics using recycled aqueous stream15 Jan 2026US 2026/0015548 A1Neste Oyj
- Systems and process for controlling a sulfur extraction from a hydrocarbon stream4 May 2023US 2023/0138459 A1Uop LLC
- Conversion of merox process by-products to useful products in an integrated refinery process25 Nov 2021US 2021/0363437 A1Saudi Arabian Oil Company
- Process for reducing the amount of carbon disulphide (cs 2) in a hydrocarbon feed16 Sep 2021US 2021/0284918 A1Reliance Industries Limited
- Process to remove olefins from light hydrocarbon stream by mercaptanization followed by merox removal of mercaptans from the separated stream4 Feb 2021US 2021/0032547 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Combined desulfurization and hydroconversion with alkali metal hydroxides70US 4,003,823 AExxon Research & Engineering Co. · 1977
- Continuous in-situ process for upgrading heavy oil using aqueous base51US 5,635,056 AExxon Research & Engineering Co. · 1997
- Systems and methods for conditioning synthetic crude oil49US 9,162,944 B2Agilyx Corporation · 2015
- Treatment of mercaptan-containing streams utilizing nitrogen based promoters47US 4,753,722 AMerichem Company · 1988
- Treatment of spent caustic refinery effluents43US 7,214,290 B2GEI Liquid Solutions LLC. · 2007