B01J 20/3425
Of sorbents or filter aids comprising organic materials
Official title: {of sorbents or filter aids comprising organic materials}
B01J20/3425 (Of sorbents or filter aids comprising organic materials) appears on 359 US grants and 490 published applications in this corpus.
Search patents in B01J- Granted patents
- 359
- Published applications
- 490
- Assignees
- 328
- Inventors
- 1,285
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 9 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 2 |
| 2003 | 1 | 5 |
| 2004 | 3 | 3 |
| 2005 | 0 | 1 |
| 2006 | 3 | 11 |
| 2007 | 4 | 6 |
| 2008 | 2 | 7 |
| 2009 | 3 | 8 |
| 2010 | 4 | 10 |
| 2011 | 2 | 9 |
| 2012 | 6 | 10 |
| 2013 | 11 | 14 |
| 2014 | 8 | 17 |
| 2015 | 9 | 26 |
| 2016 | 12 | 19 |
| 2017 | 20 | 30 |
| 2018 | 25 | 23 |
| 2019 | 24 | 30 |
| 2020 | 14 | 31 |
| 2021 | 24 | 29 |
| 2022 | 26 | 32 |
| 2023 | 28 | 33 |
| 2024 | 20 | 49 |
| 2025 | 26 | 51 |
| 2026 | 15 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for concentrating CO2 from air and dilute CO2 streams using MOF based physisorbents28 Jul 2026US 12,691,432 B2King Abdullah University of Science and Technology
- Support-free adsorbents for CO2 capture from air28 Jul 2026US 12,691,433 B2Lawrence Livermore National Security, LLC
- Hybrid ultramicroporous materials for water capture and release21 Jul 2026US 12,685,996 B2University of Limerick
- Method for recycling water absorbent resin16 Jun 2026US 12,654,151 B2Nippon Shokubai Co., Ltd.
- Membrane comprising biopolymers and carbon nanomaterials for removing heavy metals in polluted waters2 Jun 2026US 12,643,088 B2Universidad TéCnica Federico Santa MaríA
- Amine compound, amine composition, carbon dioxide absorbent, method for recovering carbon dioxide, and carbon dioxide separation and recovery device8 Oct 2026US 2026/0307005 A1Mitsubishi Gas Chemical Company, Inc.
- Amino acid based carbon dioxide capture catalyzed with three-dimensional graphene8 Oct 2026US 2026/0307044 A1University of Wyoming
- Process for using modified dtpa-associated organosilica media for producing individually separated high purity rare earth elements8 Oct 2026US 2026/0308717 A1Wayne State University
- Water-absorbent resin particles and production method therefor, absorbent body, and absorbent article17 Sep 2026US 2026/0273507 A1Sumitomo Seika Chemicals Co., Ltd.
- Method for preparing glucosyl stevioside using mother liquor sugar, separating and purifying glucosyl stevioside and recovering glucose10 Sep 2026US 2026/0265801 A1Dongtai Haorui Biotechnology Co., Ltd.
Most cited
By later US patents
- Magnetic particles for use in separations333US 4,554,088 AAdvanced Magnetics, Inc. · 1985
- Magnetic particles for use in separations245US 4,672,040 AAdvanced Magnetics, Inc. · 1987
- Regenerable solid amine sorbent150US 5,876,488 AUnited Technologies Corporation · 1999
- Regenerable supported amine-polyol sorbent97US 5,376,614 AUnited Technologies Corporation · 1994
- Method of covalently binding biologically active organic substances to polymeric substances90US 4,415,665 APharmacia Fine Chemicals AB · 1983