B01D 15/1894
Liquid-liquid chromatography
Official title: {Liquid-liquid chromatography, e.g. centrifugal partition chromatography or extraction chromatography}
B01D15/1894 (Liquid-liquid chromatography) appears on 66 US grants and 82 published applications in this corpus.
Search patents in B01D- Granted patents
- 66
- Published applications
- 82
- Assignees
- 65
- Inventors
- 184
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 3 | 3 |
| 2006 | 0 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 11 |
| 2011 | 4 | 3 |
| 2012 | 5 | 4 |
| 2013 | 7 | 4 |
| 2014 | 1 | 3 |
| 2015 | 4 | 0 |
| 2016 | 2 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 6 |
| 2020 | 1 | 1 |
| 2021 | 2 | 4 |
| 2022 | 2 | 5 |
| 2023 | 2 | 9 |
| 2024 | 4 | 5 |
| 2025 | 1 | 8 |
| 2026 | 9 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Copper-64 compositions and purification processes for the preparation of novel copper-64 compositions15 Sep 2026US 12,735,327 B2Curium US LLC
- Continuous liquid-liquid chromatographic separation of chemical species using multiple liquid phases and related systems and articles18 Aug 2026US 12,708,864 B2Zaiput Flow Technologies LLC
- Mixing disk assembly for use on centrifugal platform4 Aug 2026US 12,697,565 B2Feng Chia University
- Atmospheric water harvesting device and method28 Jul 2026US 12,691,406 B2Ahbstra Engineering Ltd
- Process for selective adsorption and recovery of lithium from natural and synthetic brines19 May 2026US 12,630,436 B2ILiAD IP COMPANY, LLC
- Method for the separation of phosphorus stereoisomers of remdesivir using liquid-liquid chromatography8 Oct 2026US 2026/0306968 A1Rotachrom TechnolóGiai Zrt.
- Methods of separating lignin deconstruction feedstocks using centrifugal partition chromatography30 Jul 2026US 2026/0216619 A1Wisconsin Alumni Research Foundation
- Method and device for simulated moving bed extraction by lithium adsorption11 Jun 2026US 2026/0158416 A1Ifp Energies Nouvelles
- Copper-64 compositions and purification processes for the preparation of novel copper-64 compositions4 Dec 2025US 2025/0368528 A1Curium US LLC
- Systems and methods for separation of chemical species, such as cannabinoids, using multiple liquid phases27 Nov 2025US 2025/0361219 A1Zaiput Flow Technologies LLC
Most cited
By later US patents
- Device for continuous contacting of fluids and solids77US 4,764,276 AAdvanced Separation Technologies Incorporated · 1988
- Process for continuous contacting of fluids and solids53US 4,808,317 AAdvanced Separation Technologies Incorporated · 1989
- Advanced separation device and method51US 4,522,726 AProgress Equities Incorporated · 1985
- Apparatus for distribution separation processes48US 4,208,284 A1980
- Device for continuous contacting of liquids and solids38US 5,069,883 AProgress Water Technologies Corp. · 1991