B01J 20/28014
Characterised by their form
Official title: {characterised by their form}
B01J20/28014 (Characterised by their form) appears on 4,977 US grants and 6,437 published applications in this corpus.
Search patents in B01J- Granted patents
- 4,977
- Published applications
- 6,437
- Assignees
- 2,700
- Inventors
- 13,810
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 13 | 0 |
| 1978 | 15 | 0 |
| 1979 | 16 | 0 |
| 1980 | 8 | 0 |
| 1981 | 9 | 0 |
| 1982 | 22 | 0 |
| 1983 | 18 | 0 |
| 1984 | 13 | 0 |
| 1985 | 15 | 0 |
| 1986 | 11 | 0 |
| 1987 | 34 | 0 |
| 1988 | 25 | 0 |
| 1989 | 25 | 0 |
| 1990 | 31 | 0 |
| 1991 | 41 | 0 |
| 1992 | 44 | 0 |
| 1993 | 42 | 0 |
| 1994 | 46 | 0 |
| 1995 | 47 | 0 |
| 1996 | 50 | 0 |
| 1997 | 57 | 0 |
| 1998 | 56 | 0 |
| 1999 | 71 | 0 |
| 2000 | 59 | 0 |
| 2001 | 78 | 34 |
| 2002 | 84 | 141 |
| 2003 | 99 | 165 |
| 2004 | 105 | 158 |
| 2005 | 76 | 190 |
| 2006 | 92 | 176 |
| 2007 | 92 | 130 |
| 2008 | 74 | 160 |
| 2009 | 82 | 176 |
| 2010 | 93 | 205 |
| 2011 | 95 | 193 |
| 2012 | 126 | 191 |
| 2013 | 137 | 202 |
| 2014 | 171 | 230 |
| 2015 | 155 | 287 |
| 2016 | 183 | 263 |
| 2017 | 194 | 288 |
| 2018 | 207 | 343 |
| 2019 | 240 | 384 |
| 2020 | 257 | 367 |
| 2021 | 276 | 369 |
| 2022 | 248 | 408 |
| 2023 | 277 | 379 |
| 2024 | 254 | 375 |
| 2025 | 302 | 361 |
| 2026 | 200 | 262 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 20/28016Particle form1,628
- B01J 20/28033Membrane, sheet, cloth, pad, lamellar or mat1,289
- B01J 20/28042Shaped bodies1,097
- B01J 20/2803Sorbents comprising a binder935
- B01J 20/28023Fibres or filaments622
- B01J 20/28026Particles within, immobilised, dispersed, entrapped in or on a matrix518
- B01J 20/28047Gels394
- B01J 20/28052Several layers of identical or different sorbents stacked in a housing369
Recent patents
- High throughput moving panel direct air capture system6 Oct 2026US 12,752,238 B2Zero Carbon Systems, 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.
- Silica-based nanoparticles for PFAS remediation6 Oct 2026US 12,752,323 B2Regents of the University of Minnesota
- Continuous polymerization reactor for super absorbent polymer and continuous polymerization reaction system6 Oct 2026US 12,753,249 B2LG Chem.Ltd.
- Polysiloxane, method for its production and deodorant comprising it8 Oct 2026US 2026/0306689 A1Sagami Chemical Research Institute
- Synthesis of layered material from eggshell waste8 Oct 2026US 2026/0307041 A1Yildiz Teknik Universitesi
- Sorbent for lithium extraction from brines8 Oct 2026US 2026/0307042 A1International Battery Metals, Ltd.
- Modified Metal-Organic Framework (MOF) Compositions, Process of Making and Process of Use Thereof8 Oct 2026US 2026/0307047 A1NuMat Technologies, Inc.
- The method of obtaining polyacrylamide hydrogels through continuous frontal polymerization8 Oct 2026US 2026/0307050 A1Green Evolution Technologies, Inc.
Most cited
By later US patents
- Affinity matrices of modified polysaccharide supports427US 5,059,654 ACuno Incorporated · 1991
- Plasma concentrate apparatus and method289US 6,905,612 B2Hanuman LLC · 2005
- Desiccant entrained polymer287US 5,911,937 ACapitol Specialty Plastics, Inc. · 1999
- Device for removal of contaminants from fluid streams235US 5,750,026 ACorning Incorporated · 1998
- Mosaic microcolumns, slabs, and separation media for electrophoresis and chromatography219US 5,135,627 ASoane Technologies, Inc. · 1992