B01D 15/122
Solid phase extraction
Official title: {Solid phase extraction}
B01D15/122 (Solid phase extraction) appears on 137 US grants and 180 published applications in this corpus.
Search patents in B01D- Granted patents
- 137
- Published applications
- 180
- Assignees
- 133
- Inventors
- 427
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 1 |
| 2003 | 0 | 4 |
| 2004 | 5 | 7 |
| 2005 | 0 | 14 |
| 2006 | 7 | 11 |
| 2007 | 7 | 9 |
| 2008 | 9 | 15 |
| 2009 | 4 | 13 |
| 2010 | 5 | 19 |
| 2011 | 5 | 12 |
| 2012 | 13 | 6 |
| 2013 | 11 | 12 |
| 2014 | 10 | 8 |
| 2015 | 5 | 3 |
| 2016 | 6 | 5 |
| 2017 | 5 | 5 |
| 2018 | 4 | 3 |
| 2019 | 3 | 4 |
| 2020 | 5 | 4 |
| 2021 | 1 | 6 |
| 2022 | 3 | 1 |
| 2023 | 3 | 4 |
| 2024 | 5 | 3 |
| 2025 | 1 | 6 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of purifying methyl fluoride by removing dimethyl ether26 May 2026US 12,636,633 B2South 8 Technologies, Inc.
- Methods for obtaining liquid from a solid phase24 Mar 2026US 12,582,924 B2Cambridge Enterprise Limited
- Method to produce an immunoglobulin preparation with improved yield10 Feb 2026US 12,545,703 B2Takeda Pharmaceutical Company Limited
- Zearalenone functionalized graphene surface molecularly imprinted material, preparation method therefor and use thereof7 Oct 2025US 12,434,223 B2Academy of National Food and Strategic Reserves Administration
- Solid phase extraction disk29 Oct 2024US 12,128,329 B1
- Method for purification of lipid nanoparticles13 Aug 2026US 2026/0233124 A1
- Method for Producing Purified Liquid Having Increased Purity of Separation Target Substance, and Purification Kit for Purifying Separation Target Substance25 Jun 2026US 2026/0177463 A1National Institute of Advanced Industrial Science and Technology
- Method of purifying methyl fluoride by removing dimethyl ether9 Apr 2026US 2026/0097387 A1South 8 Technologies, Inc.
- Methods for detecting surgical drain fluid exosomes and uses thereof8 May 2025US 2025/0146079 A1Washington University
- Nanomaterial-based adsorption processing and catalysis3 Apr 2025US 2025/0108362 A1Drexel University
Most cited
By later US patents
- Method for separating an analyte from a sample85US 7,914,994 B2Cepheid · 2011
- Method for separating an analyte from a sample80US 8,247,176 B2Cepheid · 2012
- Method for separating an analyte from a sample73US 8,592,157 B2Cepheid · 2013
- Modified resins for solid-phase extraction51US 5,071,565 AIowa State University Research Foundation, Inc. · 1991
- Liquid chromatography and apparatus for the same41US 4,070,284 AHitachi, Ltd. · 1978