B01J 20/345
Using a particular desorbing compound or mixture
Official title: {using a particular desorbing compound or mixture (elution or regeneration of stationary phases in liquid chromatography B01D15/08)}
B01J20/345 (Using a particular desorbing compound or mixture) appears on 715 US grants and 929 published applications in this corpus.
Search patents in B01J- Granted patents
- 715
- Published applications
- 929
- Assignees
- 608
- Inventors
- 2,523
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 9 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 15 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 10 | 0 |
| 1999 | 13 | 0 |
| 2000 | 12 | 0 |
| 2001 | 9 | 8 |
| 2002 | 10 | 11 |
| 2003 | 12 | 24 |
| 2004 | 10 | 19 |
| 2005 | 7 | 13 |
| 2006 | 7 | 25 |
| 2007 | 10 | 16 |
| 2008 | 13 | 26 |
| 2009 | 7 | 23 |
| 2010 | 17 | 36 |
| 2011 | 18 | 28 |
| 2012 | 19 | 27 |
| 2013 | 25 | 20 |
| 2014 | 14 | 36 |
| 2015 | 20 | 35 |
| 2016 | 21 | 30 |
| 2017 | 25 | 44 |
| 2018 | 44 | 49 |
| 2019 | 35 | 44 |
| 2020 | 32 | 57 |
| 2021 | 31 | 44 |
| 2022 | 32 | 50 |
| 2023 | 33 | 55 |
| 2024 | 38 | 84 |
| 2025 | 50 | 66 |
| 2026 | 28 | 59 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High throughput moving panel direct air capture system6 Oct 2026US 12,752,238 B2Zero Carbon Systems, Inc.
- Volatile organic compound condensing system and method for enhancing drying efficiency of filter using condensation heat of VOC22 Sep 2026US 12,741,266 B2EMSOLUTION CO., Ltd.
- Chelator based eluents for solid phase extraction of phosphorylated compounds8 Sep 2026US 12,730,040 B2Waters Technologies Corporation
- Process for controlled adsorption and desorption of phosphate from liquids using phosphate-selective proteins1 Sep 2026US 12,722,987 B2Marquette University
- Nanoporous pure silica zeolites25 Aug 2026US 12,714,980 B2University of Puerto Rico
- Processes for sorbent regeneration8 Oct 2026US 2026/0306995 A1Shell USA, Inc.
- Amine compound, amine composition, carbon dioxide absorbent, method for recovering carbon dioxide, and carbon dioxide separation and recovery device8 Oct 2026US 2026/0307005 A1Mitsubishi Gas Chemical Company, Inc.
- Sorbent for lithium extraction from brines8 Oct 2026US 2026/0307042 A1International Battery Metals, Ltd.
- Selective hydrodechlorination of liquid and gas streams from plastics pyrolysis processes8 Oct 2026US 2026/0308088 A1BASF SE
- Process for using modified dtpa-associated organosilica media for producing individually separated high purity rare earth elements8 Oct 2026US 2026/0308717 A1Wayne State University
Most cited
By later US patents
- Process for removing mercury from a gas or a liquid by absorption on a copper sulfide containing solid mass253US 4,094,777 AInstitut Francais du Petrole · 1978
- Magnetic particles for use in separations245US 4,672,040 AAdvanced Magnetics, Inc. · 1987
- Regenerable solid amine sorbent150US 5,876,488 AUnited Technologies Corporation · 1999
- Regeneration of adsorbents138US 4,784,672 AAir Products and Chemicals, Inc. · 1988
- Process for removing carbon dioxide regeneratively from gas streams122US 5,520,894 ANederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO · 1996