B01J 2220/84
Capillaries
B01J2220/84 (Capillaries) appears on 64 US grants and 76 published applications in this corpus.
Search patents in B01J- Granted patents
- 64
- Published applications
- 76
- Assignees
- 63
- Inventors
- 172
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 4 |
| 2003 | 2 | 5 |
| 2004 | 6 | 7 |
| 2005 | 2 | 5 |
| 2006 | 4 | 6 |
| 2007 | 2 | 8 |
| 2008 | 0 | 3 |
| 2009 | 3 | 2 |
| 2010 | 1 | 3 |
| 2011 | 2 | 3 |
| 2012 | 3 | 2 |
| 2013 | 3 | 5 |
| 2014 | 1 | 3 |
| 2015 | 5 | 1 |
| 2016 | 3 | 6 |
| 2017 | 1 | 2 |
| 2018 | 2 | 3 |
| 2019 | 2 | 3 |
| 2020 | 4 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chromatographic column30 Jun 2026US 12,667,825 B2King Saud University
- Organic gel or liquid chromatography method24 Dec 2024US 12,172,105 B2
- Yttrium-containing sol-gel coating, its use, and manufacture18 Apr 2023US 11,630,089 B2King Fahd University of Petroleum and Minerals
- Functionalized polyolefin capillaries for open tubular ion chromatography2 Aug 2022US 11,400,444 B2Board of Regents, The University of Texas System
- Organic gel or liquid chromatography method15 Dec 2020US 10,864,461 B2
- Covalent organic frameworks for gas chromatographic separations15 Jan 2026US 2026/0014512 A1Northwestern University
- Chromatographic column22 Aug 2024US 2024/0278212 A1King Saud University
- Organic gel or liquid chromatography method11 Mar 2021US 2021/0069613 A1
- Functionalized polyolefin capillaries for open tubular ion chromatography21 Jan 2021US 2021/0016266 A1Board of Regents, The University of Texas System
- Yttria-containing sol-gel coating, its use, and manufacture23 Jul 2020US 2020/0230574 A1King Fahd University of Petroleum and Minerals
Most cited
By later US patents
- Capillary column chromatography process and system123US 6,581,441 B1PerSeptive Biosystems, Inc. · 2003
- Method for packing capillary columns with particulate materials54US 6,395,183 B1New Objectives, Inc. · 2002
- Monolithic silica column49US 6,210,570 B1Agilent Technologies, Inc. · 2001
- Texaphyrin solid supports and devices47US 5,594,136 ABoard of Regents, The University of Texas · 1997
- Chromatographic separation columns with selectively modified active surfaces and methods for their preparations31US 4,043,905 AIndiana University Foundation · 1977