B01D 15/325
Reversed phase
Official title: {Reversed phase}
B01D15/325 (Reversed phase) appears on 474 US grants and 697 published applications in this corpus.
Search patents in B01D- Granted patents
- 474
- Published applications
- 697
- Assignees
- 398
- Inventors
- 1,685
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 5 |
| 2002 | 12 | 8 |
| 2003 | 16 | 17 |
| 2004 | 9 | 32 |
| 2005 | 9 | 25 |
| 2006 | 14 | 16 |
| 2007 | 4 | 16 |
| 2008 | 8 | 22 |
| 2009 | 5 | 21 |
| 2010 | 14 | 17 |
| 2011 | 9 | 21 |
| 2012 | 16 | 19 |
| 2013 | 11 | 16 |
| 2014 | 12 | 28 |
| 2015 | 9 | 31 |
| 2016 | 24 | 34 |
| 2017 | 13 | 36 |
| 2018 | 21 | 27 |
| 2019 | 26 | 45 |
| 2020 | 30 | 34 |
| 2021 | 24 | 47 |
| 2022 | 23 | 45 |
| 2023 | 21 | 48 |
| 2024 | 29 | 35 |
| 2025 | 28 | 27 |
| 2026 | 14 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tetraazadodecane based chelating agents for separation of rare earth elements and method therefor6 Oct 2026US 12,752,219 B2Ustav Organicke Chemie A Biochemie Av Cr, V. V. I.
- Isolation and analysis of terpenes6 Oct 2026US 12,754,110 B2Orange Photonics, Inc.
- Channeled fibers in separation of biologically active nanoparticles22 Sep 2026US 12,741,234 B2Clemson University Research Foundation
- Methods for RNA analysis8 Sep 2026US 12,729,395 B2CureVac Manufacturing GmbH
- Method of analysis of polynucleotides by restricted access reversed phase chromatography19 May 2026US 12,629,660 B2Waters Technologies Corporation
- Modular multiplatform system for mrna drug production8 Oct 2026US 2026/0306407 A1BioNTech SE
- Chromatography column packing material, chromatography column, method for producing chromatography column, chromatography analysis apparatus, and analysis method17 Sep 2026US 2026/0273435 A1AQAS Corporation
- Novel materials and methods for refining processes17 Sep 2026US 2026/0273436 A1Lihme Protein Solutions ApS
- Methods of reducing the enzymatic hydrolysis activity rate in a composition obtained from a purification platform17 Sep 2026US 2026/0274889 A1Genentech, Inc.
- Purification of soluble complement receptor and variants thereof10 Sep 2026US 2026/0265294 A1CSL Innovation Pty Ltd
Most cited
By later US patents
- High-temperature characterization of polymers181US 6,260,407 B1Symyx Technologies, Inc. · 2001
- Antibody purification154US 5,429,746 ASmith Kline Beecham Corporation · 1995
- Composite materials comprising supported porous gels116US 7,316,919 B2Nysa Membrane Technologies · 2008
- Multimodal chromatographic separation media and process for using same87US 5,316,680 ACornell Research Foundation, Inc. · 1994
- Method of weak partitioning chromatography87US 8,067,182 B2Wyeth · 2011