B01D 15/426
Specific type of solvent
Official title: {Specific type of solvent}
B01D15/426 (Specific type of solvent) appears on 208 US grants and 346 published applications in this corpus.
Search patents in B01D- Granted patents
- 208
- Published applications
- 346
- Assignees
- 259
- Inventors
- 949
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 5 | 4 |
| 2003 | 0 | 4 |
| 2004 | 4 | 1 |
| 2005 | 2 | 5 |
| 2006 | 3 | 8 |
| 2007 | 5 | 5 |
| 2008 | 2 | 5 |
| 2009 | 1 | 3 |
| 2010 | 3 | 7 |
| 2011 | 2 | 5 |
| 2012 | 3 | 6 |
| 2013 | 4 | 7 |
| 2014 | 6 | 11 |
| 2015 | 4 | 14 |
| 2016 | 8 | 22 |
| 2017 | 12 | 30 |
| 2018 | 12 | 21 |
| 2019 | 17 | 15 |
| 2020 | 15 | 12 |
| 2021 | 12 | 23 |
| 2022 | 9 | 35 |
| 2023 | 13 | 27 |
| 2024 | 16 | 24 |
| 2025 | 18 | 31 |
| 2026 | 15 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chelator based eluents for solid phase extraction of phosphorylated compounds8 Sep 2026US 12,730,040 B2Waters Technologies Corporation
- Method for efficiently extracting and separating high-purity tetrodotoxin from pufferfish viscera18 Aug 2026US 12,709,618 B2Zhongyang Biotechnology (Shanghai) Co., LTD.
- Method of producing and refining carrier-free lutetium-177 using chromatography11 Aug 2026US 12,703,897 B2Korea Atomic Energy Research Institute
- Continuous ion exchange processes for separating rare earth elements16 Jun 2026US 12,655,499 B2
- 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 the separation of phosphorus stereoisomers of remdesivir using liquid-liquid chromatography8 Oct 2026US 2026/0306968 A1Rotachrom TechnolóGiai Zrt.
- Process for preparing extracellular vesicles1 Oct 2026US 2026/0295460 A1Lonza Sales AG
- Process of affinity chromatography1 Oct 2026US 2026/0295463 A1Kashiv Biosciences, LLC
- Process for recovery of lithium from brine3 Sep 2026US 2026/0257931 A1Aquatech International Corporation
- Prussian-blue analogue (pba) ion-chromatography-based method for selective separation of rubidium from brine3 Sep 2026US 2026/0257932 A1Technion Research & Development Foundation Limited
Most cited
By later US patents
- Method of preparing delta-9-tetrahydrocannabinol43US 6,730,519 B2The University of Mississippi · 2004
- Method to reduce plasma cholesterol42US 4,775,483 ACanadian Patents and Development Limited · 1988
- Process for the isolation, recovery and purification of non-polar extractives36US 6,495,140 B1Her Majesty in Right of Canada as Represented by the Minister of Agriculture and Agri-Food Canada · 2002
- Chromatographic method of purifying cyclitols26US 5,096,594 A1992
- Method for chromatographically recovering scandium and yttrium25US 5,045,209 AWestinghouse Electric Corp. · 1991