B01J 20/28004
Sorbent size or size distribution
Official title: {Sorbent size or size distribution, e.g. particle size}
B01J20/28004 (Sorbent size or size distribution) appears on 2,319 US grants and 2,851 published applications in this corpus.
Search patents in B01J- Granted patents
- 2,319
- Published applications
- 2,851
- Assignees
- 1,518
- Inventors
- 7,105
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 10 | 0 |
| 1978 | 11 | 0 |
| 1979 | 13 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 11 | 0 |
| 1983 | 6 | 0 |
| 1984 | 11 | 0 |
| 1985 | 17 | 0 |
| 1986 | 8 | 0 |
| 1987 | 27 | 0 |
| 1988 | 15 | 0 |
| 1989 | 22 | 0 |
| 1990 | 22 | 0 |
| 1991 | 28 | 0 |
| 1992 | 37 | 0 |
| 1993 | 20 | 0 |
| 1994 | 28 | 0 |
| 1995 | 29 | 0 |
| 1996 | 29 | 0 |
| 1997 | 40 | 0 |
| 1998 | 35 | 0 |
| 1999 | 38 | 0 |
| 2000 | 32 | 0 |
| 2001 | 37 | 21 |
| 2002 | 41 | 55 |
| 2003 | 43 | 69 |
| 2004 | 35 | 56 |
| 2005 | 32 | 80 |
| 2006 | 33 | 73 |
| 2007 | 39 | 57 |
| 2008 | 34 | 75 |
| 2009 | 43 | 103 |
| 2010 | 53 | 121 |
| 2011 | 48 | 94 |
| 2012 | 64 | 89 |
| 2013 | 70 | 109 |
| 2014 | 66 | 105 |
| 2015 | 74 | 101 |
| 2016 | 70 | 96 |
| 2017 | 70 | 125 |
| 2018 | 90 | 176 |
| 2019 | 98 | 159 |
| 2020 | 121 | 158 |
| 2021 | 122 | 133 |
| 2022 | 86 | 172 |
| 2023 | 112 | 161 |
| 2024 | 100 | 170 |
| 2025 | 133 | 181 |
| 2026 | 91 | 112 |
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.
- M-xylene adsorbent and preparation method therefor6 Oct 2026US 12,752,253 B2China Petroleum & Chemical Corporation
- Preparation method of superabsorbent polymer6 Oct 2026US 12,752,255 B2LG Chem.Ltd.
- Silicon-aluminum-iron composite material, and preparation method therefor and use thereof29 Sep 2026US 12,746,526 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Granulated hierarchical material structure29 Sep 2026US 12,746,527 B2Metalmark Innovations, PBC
- Separation Matrix and a Method of Separating Antibodies1 Oct 2026US 2026/0295462 A1Cytiva BioProcess R&D AB
- Clarifying agents1 Oct 2026US 2026/0297475 A1PQ Corporation
- Novel materials and methods for refining processes17 Sep 2026US 2026/0273436 A1Lihme Protein Solutions ApS
- Structured powders for carbon dioxide capture17 Sep 2026US 2026/0273503 A1Anvil Capture Systems Inc.
- Absorbent composite materials, absorbent articles comprising absorbent composite materials, and methods of making thereof17 Sep 2026US 2026/0273506 A1Kimberly-Clark Worldwide, Inc.
Most cited
By later US patents
- Magnetic particles for use in separations333US 4,554,088 AAdvanced Magnetics, Inc. · 1985
- 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
- Fibrous structures containing immobilized particulate matter181US 5,486,410 AHoechst Celanese Corporation · 1996
- High performance liquid chromatography method and apparatus165US 5,772,874 ACohesive Technologies, Inc. · 1998