B01J 20/0229
Compounds of fe
Official title: {Compounds of Fe}
B01J20/0229 (Compounds of fe) appears on 418 US grants and 524 published applications in this corpus.
Search patents in B01J- Granted patents
- 418
- Published applications
- 524
- Assignees
- 361
- Inventors
- 1,344
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 4 |
| 2002 | 9 | 7 |
| 2003 | 4 | 11 |
| 2004 | 9 | 13 |
| 2005 | 4 | 16 |
| 2006 | 7 | 19 |
| 2007 | 7 | 17 |
| 2008 | 15 | 20 |
| 2009 | 10 | 22 |
| 2010 | 14 | 39 |
| 2011 | 26 | 34 |
| 2012 | 18 | 22 |
| 2013 | 20 | 33 |
| 2014 | 21 | 32 |
| 2015 | 23 | 14 |
| 2016 | 18 | 31 |
| 2017 | 14 | 21 |
| 2018 | 13 | 22 |
| 2019 | 19 | 20 |
| 2020 | 16 | 19 |
| 2021 | 17 | 29 |
| 2022 | 16 | 21 |
| 2023 | 12 | 24 |
| 2024 | 20 | 13 |
| 2025 | 15 | 16 |
| 2026 | 10 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Surface molecularly imprinted magnetic nanometer material of salvianolic acid A, preparation method therefor and use thereof1 Sep 2026US 12,722,142 B2Zhejiang Chinese Medical University
- Treatment method for indigo-containing wastewater by combined adsorption and regeneration process30 Jun 2026US 12,668,512 B2The Hong Kong Research Institute of Textiles and Apparel Limited
- Environmental control device and a method of removing chemical species from an enclosed space23 Jun 2026US 12,661,635 B1
- Oxygen absorber tablet16 Jun 2026US 12,653,205 B2
- Granulated adsorbent and process of producing the same2 Jun 2026US 12,643,090 B2FUSO Corporation
- Functionalized porous material and related methods6 Aug 2026US 2026/0225072 A1Battelle Savannah River Alliance, LLC
- A Method of Preparing Carbon Particles30 Jul 2026US 2026/0216688 A1Agency for Science, Technology and Research
- Fixed bed desalination reactor19 Feb 2026US 2026/0049017 A1Badwater Alchemy Technologies Inc.
- Composite particles and their use in the selective capture and release of carbon dioxide with use of dielectric heating5 Feb 2026US 2026/0034534 A1
- Magnetic nanoparticles for removal of particulate waste29 Jan 2026US 2026/0027547 A1The Texas A&M University System
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
- System and method for sequestration and separation of mercury in combustion exhaust gas aqueous scrubber systems182US 7,722,843 B12010
- Product/process/application for removal of mercury from liquid hydrocarbon155US 5,336,835 ACalgon Carbon Corporation · 1994
- Binding assays employing magnetic particles152US 4,628,037 AAdvanced Magnetics, Inc. · 1986