B01J 20/283
Based on silica
Official title: based on silica
B01J20/283 (Based on silica) appears on 250 US grants and 319 published applications in this corpus.
Search patents in B01J- Granted patents
- 250
- Published applications
- 319
- Assignees
- 209
- Inventors
- 730
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 5 |
| 2003 | 6 | 5 |
| 2004 | 6 | 11 |
| 2005 | 1 | 10 |
| 2006 | 1 | 10 |
| 2007 | 5 | 6 |
| 2008 | 5 | 11 |
| 2009 | 2 | 15 |
| 2010 | 6 | 13 |
| 2011 | 6 | 7 |
| 2012 | 2 | 9 |
| 2013 | 7 | 20 |
| 2014 | 10 | 19 |
| 2015 | 12 | 21 |
| 2016 | 12 | 8 |
| 2017 | 7 | 15 |
| 2018 | 11 | 17 |
| 2019 | 16 | 22 |
| 2020 | 15 | 20 |
| 2021 | 11 | 20 |
| 2022 | 12 | 6 |
| 2023 | 11 | 16 |
| 2024 | 12 | 19 |
| 2025 | 13 | 12 |
| 2026 | 7 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Column comprising particles6 Oct 2026US 12,752,220 B2Agilent Technologies, Inc.
- Isolation and analysis of terpenes6 Oct 2026US 12,754,110 B2Orange Photonics, Inc.
- Superficially porous materials comprising a substantially nonporous hybrid core having narrow particle size distribution12 May 2026US 12,623,205 B2Waters Technologies Corporation
- Chromatographic columns and separation devices comprising a superficially porous material; and use thereof for supercritical fluid chromatography and other chromatography28 Apr 2026US 12,611,617 B2Waters Technologies Corporation
- Amine grafted silica gels28 Apr 2026US 12,611,651 B2The Regents of the University of Michigan
- Pore structure for separation of adeno-associated viruses (aavs) from their aggregates8 Jan 2026US 2026/0008027 A1Phenomenex, Inc.
- Superficially porous materials comprising a substantially nonporous core having narrow particle size distribution; process for the preparation thereof; and use thereof for chromatographic separations25 Dec 2025US 2025/0387778 A1Waters Technologies Corporation
- Compositions and methods for the purification of isoprenoids4 Dec 2025US 2025/0368590 A1Amyris, Inc.
- Method for removing interfering components of a liquid sample prior to dispensing same on a chemical reagent test slide23 Oct 2025US 2025/0327724 A1IDEXX Laboratories, Inc.
- Process of phytocannabinoids enrichment its formulation and use in the management of pain9 Oct 2025US 2025/0312357 A1Council of Scientific and Industrial Research
Most cited
By later US patents
- High performance liquid chromatography method and apparatus193US 5,919,368 ACohesive Technologies, Inc. · 1999
- High performance liquid chromatography method and apparatus165US 5,772,874 ACohesive Technologies, Inc. · 1998
- Uniform oxide microspheres and a process for their manufacture65US 4,010,242 AE. I. DuPont de Nemours and Company · 1977
- Porous hybrid particles with organic groups removed from the surface61US 6,528,167 B2Waters Investments Limited · 2003
- Separation media, multiple electrospray nozzle system and method61US 6,596,988 B2Advion BioSciences, Inc. · 2003