B01D 15/42
Characterised by the development mode
Official title: characterised by the development mode, e.g. by displacement or by elution
B01D15/42 (Characterised by the development mode) appears on 420 US grants and 691 published applications in this corpus.
Search patents in B01D- Granted patents
- 420
- Published applications
- 691
- Assignees
- 442
- Inventors
- 1,676
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 10 | 7 |
| 2003 | 4 | 10 |
| 2004 | 8 | 5 |
| 2005 | 5 | 11 |
| 2006 | 5 | 11 |
| 2007 | 8 | 13 |
| 2008 | 4 | 10 |
| 2009 | 3 | 7 |
| 2010 | 4 | 11 |
| 2011 | 7 | 11 |
| 2012 | 4 | 15 |
| 2013 | 5 | 15 |
| 2014 | 10 | 24 |
| 2015 | 14 | 35 |
| 2016 | 17 | 43 |
| 2017 | 27 | 50 |
| 2018 | 23 | 34 |
| 2019 | 29 | 37 |
| 2020 | 31 | 31 |
| 2021 | 26 | 41 |
| 2022 | 23 | 56 |
| 2023 | 23 | 51 |
| 2024 | 31 | 48 |
| 2025 | 31 | 62 |
| 2026 | 27 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Chelator based eluents for solid phase extraction of phosphorylated compounds8 Sep 2026US 12,730,040 B2Waters Technologies Corporation
- Biological material extraction carrier and biological material extraction method25 Aug 2026US 12,716,063 B2Seiko Epson Corporation
- Method for efficiently extracting and separating high-purity tetrodotoxin from pufferfish viscera18 Aug 2026US 12,709,618 B2Zhongyang Biotechnology (Shanghai) Co., LTD.
- Kit for detecting drug in sample and detection method thereof18 Aug 2026US 12,710,405 B1Calibra Scientific, Inc.
- Method of producing and refining carrier-free lutetium-177 using chromatography11 Aug 2026US 12,703,897 B2Korea Atomic Energy Research Institute
- 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
- Biological Material Purification Method, Magnetic Stand, And Biological Material Purification Device24 Sep 2026US 2026/0284552 A1Seiko Epson Corporation
- Analysis system, control method thereof, and recording medium24 Sep 2026US 2026/0287563 A1Shimadzu Corporation
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
- Thermally responsive polymer monoliths77US 5,929,214 ACornell Research Foundation, Inc. · 1999
- 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