B01D 15/203
Equilibration or regeneration
Official title: {Equilibration or regeneration}
B01D15/203 (Equilibration or regeneration) appears on 198 US grants and 335 published applications in this corpus.
Search patents in B01D- Granted patents
- 198
- Published applications
- 335
- Assignees
- 227
- Inventors
- 866
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 3 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 3 | 3 |
| 2007 | 2 | 1 |
| 2008 | 0 | 4 |
| 2009 | 0 | 2 |
| 2010 | 2 | 7 |
| 2011 | 1 | 6 |
| 2012 | 1 | 6 |
| 2013 | 4 | 6 |
| 2014 | 3 | 7 |
| 2015 | 5 | 17 |
| 2016 | 5 | 12 |
| 2017 | 9 | 14 |
| 2018 | 14 | 15 |
| 2019 | 13 | 17 |
| 2020 | 13 | 24 |
| 2021 | 15 | 22 |
| 2022 | 16 | 28 |
| 2023 | 12 | 34 |
| 2024 | 14 | 37 |
| 2025 | 30 | 29 |
| 2026 | 13 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Purification process for lipid-membrane-enclosed complex assemblages8 Sep 2026US 12,729,220 B2Sartorius Bia Separations
- System and method for capturing carbon dioxide from a humidity adjusted air stream1 Sep 2026US 12,722,118 B2
- Continuous ion exchange processes for separating rare earth elements16 Jun 2026US 12,655,499 B2
- Process for the deprotection of oligonucleotides5 May 2026US 12,616,921 B2Hoffmann-La Roche Inc.
- Metal-organic frameworks for selective ion extraction5 May 2026US 12,616,955 B2Schlumberger Technology Corporation
- Process for using modified dtpa-associated organosilica media for producing individually separated high purity rare earth elements8 Oct 2026US 2026/0308717 A1Wayne State University
- Continuous Chromatography System24 Sep 2026US 2026/0284551 A1The Johns Hopkins University
- Analysis system, control method thereof, and recording medium24 Sep 2026US 2026/0287563 A1Shimadzu Corporation
- Process and system for dehydrating a product stream in ethanol production10 Sep 2026US 2026/0263961 A1Whitefox Technologies Limited
- Systems and methods for metal recovery using rotating packed beds10 Sep 2026US 2026/0263964 A1Case Western Reserve University
Most cited
By later US patents
- High performance liquid chromatography method and apparatus189US 5,795,469 ACohesive Technologies, Inc. · 1998
- High performance liquid chromatography method and apparatus180US 5,968,367 ACohesive Technologies, Inc. · 1999
- Molecular separation column and use thereof58US 4,512,897 AAMF Incorporated · 1985
- Method and apparatus for liquid chromatography under elevated pressure40US 4,073,725 AHitachi, Ltd. · 1978
- High performance liquid chromatography injection system for the simultaneous concentration and analysis of trace components38US 5,462,660 AThe United States of America as represented by the Secretary of Agriculture · 1995