B01D 11/0492
Applications, solvents used
Official title: {Applications, solvents used}
B01D11/0492 (Applications, solvents used) appears on 625 US grants and 859 published applications in this corpus.
Search patents in B01D- Granted patents
- 625
- Published applications
- 859
- Assignees
- 547
- Inventors
- 2,088
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 7 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 6 |
| 2004 | 3 | 8 |
| 2005 | 1 | 5 |
| 2006 | 4 | 13 |
| 2007 | 4 | 8 |
| 2008 | 4 | 11 |
| 2009 | 6 | 13 |
| 2010 | 5 | 20 |
| 2011 | 8 | 23 |
| 2012 | 14 | 29 |
| 2013 | 26 | 33 |
| 2014 | 17 | 22 |
| 2015 | 27 | 26 |
| 2016 | 19 | 38 |
| 2017 | 29 | 37 |
| 2018 | 36 | 41 |
| 2019 | 50 | 66 |
| 2020 | 47 | 62 |
| 2021 | 37 | 69 |
| 2022 | 42 | 90 |
| 2023 | 55 | 68 |
| 2024 | 41 | 59 |
| 2025 | 43 | 72 |
| 2026 | 37 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Surface molecularly imprinted magnetic nanometer material of salvianolic acid A, preparation method therefor and use thereof1 Sep 2026US 12,722,142 B2Zhejiang Chinese Medical University
- Extraction of guayule resin28 Jul 2026US 12,691,391 B2Bridgestone Corporation
- Method of extracting carbonic acid, aliphatic acids, esters and alcohols from an aqueous medium21 Jul 2026US 12,686,694 B2Evonik Operations GmbH
- Methods for separation and recovery of rare earth elements from aqueous solutions using diglycolamide derivatives30 Jun 2026US 12,668,857 B2Battelle Energy Alliance, LLC
- Method for obtaining oleocanthal type secoiridoids and for producing respective pharmaceutical preparations23 Jun 2026US 12,661,382 B2Omphax SA
- A process for purifying a pyrolysis oil1 Oct 2026US 2026/0297440 A1Base SE
- Extraction column with alternating spillway sections3 Sep 2026US 2026/0257148 A1Ifp Energies Nouvelles
- Aromatic and polar compounds removal in lube feedstocks by counter current liquid-liquid extraction using dihydrolevoglucosenone as a solvent3 Sep 2026US 2026/0258308 A1ExxonMobil Technology and Engineering Company
- Automated group separations of complex mixtures with gel filtration pipette tips27 Aug 2026US 2026/0249210 A1Dpx Technologies, Inc.
- Removal and destruction of perfluoroalkyl and polyfluoroalkyl substances from contaminated water20 Aug 2026US 2026/0242247 A1Evoqua Water Technologies LLC
Most cited
By later US patents
- Microfabricated differential extraction device and method417US 5,932,100 AUniversity of Washington · 1999
- Microfabricated devices and methods251US 6,454,945 B1University of Washington · 2002
- Supercritical fluid extraction80US 5,356,538 AIdaho Research Foundation, Inc. · 1994
- Extraction of metals using supercritical fluid and chelate forming legand71US 5,730,874 AIdaho Research Foundation, Inc. · 1998
- Methods and devices for the separation of radioactive rare earth metal isotopes from their alkaline earth metal precursors59US 5,225,173 AIdaho Research Foundation, Inc. · 1993