B01J 20/3259
Comprising at least two different types of heteroatoms selected from nitrogen, oxygen
Official title: {comprising at least two different types of heteroatoms selected from nitrogen, oxygen or sulfur with at least one silicon atom}
B01J20/3259 (Comprising at least two different types of heteroatoms selected from nitrogen, oxygen) appears on 229 US grants and 157 published applications in this corpus.
Search patents in B01J- Granted patents
- 229
- Published applications
- 157
- Assignees
- 158
- Inventors
- 573
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 14 | 0 |
| 1991 | 8 | 0 |
| 1992 | 13 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 1 |
| 2002 | 4 | 4 |
| 2003 | 1 | 6 |
| 2004 | 2 | 9 |
| 2005 | 6 | 7 |
| 2006 | 10 | 10 |
| 2007 | 5 | 7 |
| 2008 | 6 | 8 |
| 2009 | 5 | 8 |
| 2010 | 4 | 6 |
| 2011 | 3 | 10 |
| 2012 | 8 | 3 |
| 2013 | 6 | 8 |
| 2014 | 3 | 9 |
| 2015 | 6 | 5 |
| 2016 | 4 | 9 |
| 2017 | 1 | 1 |
| 2018 | 4 | 5 |
| 2019 | 3 | 2 |
| 2020 | 3 | 3 |
| 2021 | 1 | 4 |
| 2022 | 2 | 5 |
| 2023 | 3 | 4 |
| 2024 | 3 | 6 |
| 2025 | 3 | 8 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Silica-based nanoparticles for PFAS remediation6 Oct 2026US 12,752,323 B2Regents of the University of Minnesota
- Functionalized adsorbents for the recovery of rare earth elements from aqueous media12 May 2026US 12,624,415 B2CARNEGIE MELLON UNIVERSITY, a Pennsylvania Non-Profit Corporation
- Amine grafted silica gels28 Apr 2026US 12,611,651 B2The Regents of the University of Michigan
- Sample preparation compositions, devices, systems and methods6 Jan 2026US 12,515,196 B2Pierce Biotechnology, Inc.
- Product for PFAS adsorption23 Dec 2025US 12,502,651 B2Active Minerals International, LLC
- Ethylene oxide abatement systems1 Oct 2026US 2026/0295520 A1Boston Scientific Scimed, Inc.
- Porous body, adsorbent including the porous body, and method of removing metal and/or metal ion with the adsorbent20 Aug 2026US 2026/0241370 A1Mitsui Mining & Smelting Co., Ltd.
- Zeolite catalysts with paired heteroatoms and methods thereof14 May 2026US 2026/0131318 A1BASF SE
- Sample preparation compositions, devices, systems and methods26 Mar 2026US 2026/0084135 A1Pierce Biotechnology, Inc.
- Apparatus, method and system for direct air capture utilizing electromagnetic excitation radiation desorption of solid amine sorbents to release carbon dioxide19 Mar 2026US 2026/0077312 A1AirCapture LLC
Most cited
By later US patents
- Enzymatic reactions using magnetic particles128US 4,698,302 AAdvanced Magnetics, Inc. · 1987
- Magnetic particles for use in separations126US 4,695,393 AAdvanced Magnetics, Inc. · 1987
- Magnetic particles for use in separations93US 4,695,392 AAdvanced Magnetics, Inc. · 1987
- Surface functionalized mesoporous material and method of making same91US 6,326,326 B1Battelle Memorial Institute · 2001
- Spherical SiO.sub.2 particles83US 4,775,520 AMerck Patent GmbH · 1988