B01J 20/3257
The functional group or the linking, spacer or anchoring group as a
Official title: {the functional group or the linking, spacer or anchoring group as a whole comprising at least one of the heteroatoms nitrogen, oxygen or sulfur together with at least one silicon atom, these atoms not being part of the carrier as such}
B01J20/3257 (The functional group or the linking, spacer or anchoring group as a) appears on 468 US grants and 378 published applications in this corpus.
Search patents in B01J- Granted patents
- 468
- Published applications
- 378
- Assignees
- 305
- Inventors
- 1,207
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 8 | 0 |
| 1987 | 13 | 0 |
| 1988 | 15 | 0 |
| 1989 | 17 | 0 |
| 1990 | 22 | 0 |
| 1991 | 14 | 0 |
| 1992 | 19 | 0 |
| 1993 | 10 | 0 |
| 1994 | 10 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 10 | 0 |
| 1998 | 8 | 0 |
| 1999 | 16 | 0 |
| 2000 | 13 | 0 |
| 2001 | 7 | 3 |
| 2002 | 10 | 5 |
| 2003 | 2 | 13 |
| 2004 | 6 | 19 |
| 2005 | 6 | 16 |
| 2006 | 17 | 16 |
| 2007 | 8 | 16 |
| 2008 | 10 | 20 |
| 2009 | 13 | 14 |
| 2010 | 10 | 15 |
| 2011 | 4 | 20 |
| 2012 | 13 | 11 |
| 2013 | 14 | 21 |
| 2014 | 11 | 17 |
| 2015 | 13 | 13 |
| 2016 | 14 | 19 |
| 2017 | 6 | 13 |
| 2018 | 16 | 15 |
| 2019 | 5 | 14 |
| 2020 | 6 | 6 |
| 2021 | 7 | 14 |
| 2022 | 9 | 15 |
| 2023 | 11 | 12 |
| 2024 | 8 | 19 |
| 2025 | 11 | 20 |
| 2026 | 8 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Silica-based nanoparticles for PFAS remediation6 Oct 2026US 12,752,323 B2Regents of the University of Minnesota
- Deodorant composition and deodorant article29 Sep 2026US 12,746,528 B2Sagami Chemical Research Institute
- Functionalized layered double hydroxides for treatment of contaminated water12 May 2026US 12,623,927 B2UWM Research Foundation, Inc.
- 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
- 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.
- Chromatographic composition and methods of producing the chromatographic composition30 Jul 2026US 2026/0216699 A1Advanced Materials Technology, Inc.
- System and process for removal of toxic chemicals from vegetable oils16 Jul 2026US 2026/0201269 A1Vulcan Photonics Sdn. Bhd.
- Zeolite catalysts with paired heteroatoms and methods thereof14 May 2026US 2026/0131318 A1BASF SE
Most cited
By later US patents
- Magnetic particles for use in separations245US 4,672,040 AAdvanced Magnetics, Inc. · 1987
- Binding assays employing magnetic particles152US 4,628,037 AAdvanced Magnetics, Inc. · 1986
- 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
- Chromatographic supports and methods and apparatus for preparing the same95US 4,029,583 APurdue Research Foundation · 1977