B01J 20/3219
Involving a particular spacer or linking group
Official title: {involving a particular spacer or linking group, e.g. for attaching an active group}
B01J20/3219 (Involving a particular spacer or linking group) appears on 768 US grants and 736 published applications in this corpus.
Search patents in B01J- Granted patents
- 768
- Published applications
- 736
- Assignees
- 500
- Inventors
- 2,106
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 7 | 0 |
| 1983 | 10 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 11 | 0 |
| 1988 | 15 | 0 |
| 1989 | 16 | 0 |
| 1990 | 16 | 0 |
| 1991 | 17 | 0 |
| 1992 | 19 | 0 |
| 1993 | 11 | 0 |
| 1994 | 20 | 0 |
| 1995 | 14 | 0 |
| 1996 | 20 | 0 |
| 1997 | 31 | 0 |
| 1998 | 19 | 0 |
| 1999 | 24 | 0 |
| 2000 | 26 | 0 |
| 2001 | 20 | 9 |
| 2002 | 23 | 21 |
| 2003 | 16 | 23 |
| 2004 | 18 | 37 |
| 2005 | 10 | 25 |
| 2006 | 19 | 29 |
| 2007 | 11 | 24 |
| 2008 | 15 | 28 |
| 2009 | 17 | 30 |
| 2010 | 14 | 23 |
| 2011 | 11 | 18 |
| 2012 | 18 | 14 |
| 2013 | 14 | 24 |
| 2014 | 17 | 28 |
| 2015 | 18 | 32 |
| 2016 | 18 | 28 |
| 2017 | 17 | 33 |
| 2018 | 16 | 27 |
| 2019 | 24 | 32 |
| 2020 | 23 | 24 |
| 2021 | 20 | 31 |
| 2022 | 19 | 28 |
| 2023 | 22 | 30 |
| 2024 | 23 | 48 |
| 2025 | 26 | 55 |
| 2026 | 11 | 35 |
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
- Deodorant composition and deodorant article29 Sep 2026US 12,746,528 B2Sagami Chemical Research Institute
- Modified multi-walled carbon nanotubes including multi-walled carbon nanotubes and carboxylate moieties and related methods21 Jul 2026US 12,686,616 B2King Fahd University of Petroleum and Minerals
- Chromatographic column30 Jun 2026US 12,667,825 B2King Saud University
- Material and method for performing a separation based on halogen bonding19 May 2026US 12,629,612 B2Merck Patent GmbH
- Ethylene oxide abatement systems1 Oct 2026US 2026/0295520 A1Boston Scientific Scimed, Inc.
- Resin for extracting lithium from lithium precipitation mother liquor, and preparation method and application thereof17 Sep 2026US 2026/0273509 A1Xi'an Lanshen New Material Technology Co., Ltd.
- Kappa light chain-binding convection matrix3 Sep 2026US 2026/0258092 A1Cytiva BioProcess R&D AB
- Lithium ion adsorbents27 Aug 2026US 2026/0249268 A1Empower Innovation & Technology LLC
- Hydrophobic acidic gas absorbents20 Aug 2026US 2026/0241369 A1
Most cited
By later US patents
- Affinity matrices of modified polysaccharide supports427US 5,059,654 ACuno Incorporated · 1991
- Preparation of trichloro-s-triazine activated supports for coupling ligands276US 4,229,537 ANew York University · 1980
- Magnetic particles for use in separations245US 4,672,040 AAdvanced Magnetics, Inc. · 1987
- Molecular imaging239US 5,372,719 APerSeptive Biosystems, Inc. · 1994
- Molecular imaging235US 5,453,199 APerSeptive Biosystems, Inc. · 1995