B01D 15/40
Using supercritical fluid as mobile phase or eluent
Official title: using supercritical fluid as mobile phase or eluent
B01D15/40 (Using supercritical fluid as mobile phase or eluent) appears on 206 US grants and 249 published applications in this corpus.
Search patents in B01D- Granted patents
- 206
- Published applications
- 249
- Assignees
- 95
- Inventors
- 366
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 5 | 6 |
| 2003 | 8 | 4 |
| 2004 | 2 | 4 |
| 2005 | 0 | 0 |
| 2006 | 3 | 4 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 1 | 4 |
| 2011 | 4 | 6 |
| 2012 | 9 | 4 |
| 2013 | 1 | 5 |
| 2014 | 2 | 10 |
| 2015 | 2 | 28 |
| 2016 | 9 | 17 |
| 2017 | 12 | 15 |
| 2018 | 12 | 30 |
| 2019 | 19 | 25 |
| 2020 | 21 | 25 |
| 2021 | 19 | 18 |
| 2022 | 17 | 10 |
| 2023 | 12 | 5 |
| 2024 | 12 | 12 |
| 2025 | 9 | 5 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Production of cannabidiol from hemp using subcritical liquid carbon dioxide7 Jul 2026US 12,673,911 B2Bridge Farm Bioscience Limited
- Process for the repeated irradiation of a radium target9 Jun 2026US 12,651,677 B2TerraPower Isotopes, LLC
- Method, system and/or apparatus for use of liquid or fluid carbon dioxide in extraction and/or solubilising source material and binding and/or elution with a molecularly imprinted polymer26 May 2026US 12,636,595 B2amaea Limited
- Method for separation of methionine sulfoxide diastereomers26 May 2026US 12,637,420 B2Caltech
- Chromatographic columns and separation devices comprising a superficially porous material; and use thereof for supercritical fluid chromatography and other chromatography28 Apr 2026US 12,611,617 B2Waters Technologies Corporation
- Amine separation method5 Mar 2026US 2026/0062375 A1Daicel Corporation
- High-pressure fluid chromatography system using interior-to-exterior column pressure equalization26 Feb 2026US 2026/0055937 A1Supercritical Fluid Technologies, Inc.
- Systems and methods for two-dimensional chromatography22 Jan 2026US 2026/0023053 A1
- Gas-liquid separator and sample collection method using same15 Jan 2026US 2026/0014572 A1Jasco Corporation
- Stationary phase for chromatography27 Nov 2025US 2025/0360491 A1Daicel Corporation
Most cited
By later US patents
- Continuous process and apparatus for chromatographic separation of a mixture of at least three constituents into three purified effluents using two solvents55US 5,093,004 AInstitut Francais du Petrole · 1992
- Continuous process and device for the chromatographic separation of a mixture of at least three constituents into three purified effluents by means of a single solvent at two different temperatures and/or at two different pressures55US 5,114,590 AInstitut Francais du Petrole · 1992
- Fractionation process for mixtures by elution chromatography with liquid in supercritical state and installation for its operation50US 4,478,720 ASociete Nationale Elf Aquitaine · 1984
- Pump apparatus for transferring a liquified gas used in a recycle chromatograph46US 5,180,487 ANihon Bunko Kogyo Kabushiki Kaisha · 1993
- Automated sample concentrator for trace components45US 4,500,432 AHewlett-Packard Company · 1985