B01J 31/4069
Involving extraction with coordinating ionic liquids or supercritical fluids
Official title: {involving extraction with coordinating ionic liquids or supercritical fluids, e.g. CO2}
B01J31/4069 (Involving extraction with coordinating ionic liquids or supercritical fluids) appears on 11 US grants and 10 published applications in this corpus.
Search patents in B01J- Granted patents
- 11
- Published applications
- 10
- Assignees
- 11
- Inventors
- 42
- Latest grant
- 13 Mar 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 2 | 1 |
| 2016 | 1 | 3 |
| 2017 | 2 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Processes for removing entrained ionic liquid from a hydrocarbon phase13 Mar 2018US 9,914,679 B2Uop LLC
- Separation of conjunct polymer from volatile regenerant for ionic liquid regeneration3 Oct 2017US 9,776,877 B2Uop LLC
- Hydrochloric acid stripping process for ionic liquid regeneration process14 Feb 2017US 9,566,578 B2Uop LLC
- Process for regeneration of ionic liquid catalyst24 May 2016US 9,346,042 B2Shell Oil Company
- Regeneration of an ionic liquid catalyst using metal complexes24 Nov 2015US 9,192,928 B1Uop LLC
- Use of magnetic mesoporous poly(ionic liquid) interfacial catalyst in hydrogenation reaction and preparation of biodiesel15 Jun 2023US 2023/0182122 A1Qufu Normal University
- Hydrochloric acid stripping process for ionic liquid regeneration process16 Jun 2016US 2016/0167034 A1Uop LLC
- Separation of conjunct polymer from volatile regenerant for ionic liquid regeneration16 Jun 2016US 2016/0167038 A1Uop LLC
- Processes for removing entrained ionic liquid from a hydrocarbon phase16 Jun 2016US 2016/0168058 A1Uop LLC
- Process for regeneration of ionic liquid catalyst20 Aug 2015US 2015/0231624 A1China University of Petroleum
Most cited
By later US patents
- Regeneration of ionic liquid catalyst15US 7,737,067 B2Chevron U.S.A.Inc. · 2010
- Removal of ruthenium by-product by supercritical fluid processing7US 7,268,211 B2Boehringer Ingelheim International GmbH · 2007
- Recovery process3US 4,871,432 ABP Chemicals Limited · 1989
- Process for the purification and recovery of the contaminated solution of the catalyst produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether2US 5,047,377 AHoechst Aktiengesellschaft · 1991
- Resin-platinum complex and resin-supported platinum cluster catalyst2US 7,897,817 B2Inter-University Research Institute Corporation National Institutes of Natural Sciences · 2011