B01J 20/282
Porous sorbents
Official title: Porous sorbents (ion exchange B01J39/00 - B01J41/00)
B01J20/282 (Porous sorbents) appears on 944 US grants and 1,150 published applications in this corpus.
Search patents in B01J- Granted patents
- 944
- Published applications
- 1,150
- Assignees
- 637
- Inventors
- 2,603
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 12 | 0 |
| 1990 | 10 | 0 |
| 1991 | 14 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 13 | 0 |
| 1995 | 11 | 0 |
| 1996 | 8 | 0 |
| 1997 | 13 | 0 |
| 1998 | 16 | 0 |
| 1999 | 17 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 6 |
| 2002 | 17 | 26 |
| 2003 | 23 | 33 |
| 2004 | 31 | 41 |
| 2005 | 9 | 54 |
| 2006 | 16 | 61 |
| 2007 | 29 | 41 |
| 2008 | 28 | 46 |
| 2009 | 13 | 63 |
| 2010 | 34 | 73 |
| 2011 | 24 | 39 |
| 2012 | 26 | 36 |
| 2013 | 26 | 43 |
| 2014 | 36 | 52 |
| 2015 | 38 | 44 |
| 2016 | 41 | 36 |
| 2017 | 27 | 37 |
| 2018 | 30 | 49 |
| 2019 | 38 | 64 |
| 2020 | 47 | 51 |
| 2021 | 40 | 60 |
| 2022 | 32 | 41 |
| 2023 | 33 | 49 |
| 2024 | 38 | 50 |
| 2025 | 39 | 37 |
| 2026 | 20 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Column comprising particles6 Oct 2026US 12,752,220 B2Agilent Technologies, Inc.
- 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
- Method for manufacturing and increasing the yield of a medical strontium-82/rubidium-82 generator4 Aug 2026US 12,700,519 B2Naogen Pharma
- Adsorbent particles, method for producing adsorbent particles, base material particles, filling column, and method for recovering rare earth element2 Jun 2026US 12,643,089 B2
- Novel materials and methods for refining processes17 Sep 2026US 2026/0273436 A1Lihme Protein Solutions ApS
- Superficially porous organic polymer particles10 Sep 2026US 2026/0264046 A1Waters Technologies Corporation
- Kappa light chain-binding convection matrix3 Sep 2026US 2026/0258092 A1Cytiva BioProcess R&D AB
- Monolithic microporous substrate for chromatographic beds27 Aug 2026US 2026/0249270 A1
- Micro-separator including 3d ordered nanoshell structure of ceramic-polymer composite for gas chromatography, method for fabricating the same and method for separating gas mixture using the same30 Jul 2026US 2026/0216698 A1Korea Advanced Institute of Science and Technology
Most cited
By later US patents
- Selective recognition of solutes in chromatographic media by artificially created affinity206US 5,916,445 ABio-Rad Laboratories, Inc. · 1999
- Calcium phosphate microcarriers and microspheres198US 6,210,715 B1CaP Biotechnology, Inc. · 2001
- High performance liquid chromatography method and apparatus193US 5,919,368 ACohesive Technologies, Inc. · 1999
- High performance liquid chromatography method and apparatus165US 5,772,874 ACohesive Technologies, Inc. · 1998
- Column with macroporous polymer media132US 5,334,310 ACornell Research Foundation, Inc. · 1994