B01D 15/3833
Chiral chromatography
Official title: {Chiral chromatography}
B01D15/3833 (Chiral chromatography) appears on 163 US grants and 131 published applications in this corpus.
Search patents in B01D- Granted patents
- 163
- Published applications
- 131
- Assignees
- 96
- Inventors
- 326
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 3 |
| 2003 | 7 | 5 |
| 2004 | 3 | 17 |
| 2005 | 3 | 10 |
| 2006 | 6 | 7 |
| 2007 | 7 | 8 |
| 2008 | 4 | 9 |
| 2009 | 5 | 6 |
| 2010 | 7 | 7 |
| 2011 | 4 | 2 |
| 2012 | 6 | 6 |
| 2013 | 3 | 3 |
| 2014 | 6 | 9 |
| 2015 | 3 | 5 |
| 2016 | 5 | 2 |
| 2017 | 1 | 5 |
| 2018 | 3 | 8 |
| 2019 | 2 | 4 |
| 2020 | 8 | 2 |
| 2021 | 1 | 6 |
| 2022 | 2 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Separating agent for optical isomers2 Sep 2025US 12,403,447 B2Daicel Corporation
- Amine separation method using liquid chromatography15 Oct 2024US 12,115,467 B2Daicel Corporation
- Differentiation of natural vitamin E from synthetic vitamin E and quantification of tocopherols by supercritical fluid chromatography20 Jun 2023US 11,679,341 B2Waters Technologies Corporation
- Chiral stationary phase16 May 2023US 11,648,530 B2Nankai University
- Systems and methods for two-dimensional chromatography24 May 2022US 11,340,199 B2Genentech, Inc.
- Amine separation method5 Mar 2026US 2026/0062375 A1Daicel Corporation
- Separation media and purification methods for metals, chiral molecules, or both24 Apr 2025US 2025/0128237 A1Donaldson Company, Inc.
- Process for the enantioselective separation of amino acids using chiral polystyrene microspheres13 Feb 2025US 2025/0050312 A1
- Methods for Separation of Enantiomers16 Jan 2025US 2025/0019367 A1Mirati Therapeutics, Inc.
- Microfluidic device and method for manufacturing same17 Oct 2024US 2024/0342719 A1Daicel Corporation
Most cited
By later US patents
- Particle-loaded nonwoven fibrous article for separations and purifications112US 5,328,758 AMinnesota Mining and Manufacturing Company · 1994
- Adsorbents for amino acid and peptide separation56US 5,786,428 ACalifornia Institute of Technology · 1998
- Mono-and di-derivatives of cyclodextrins, synthesis thereof and purification and use thereof in support56US 6,528,642 B1Chiralsep S.A.R.L. · 2003
- Bonded phase material for chromatographic separations50US 4,539,399 AAdvanced Separation Technologies Incorporated · 1985
- Cyclodextrin sulfonates, guest inclusion complexes methods of making the same and related materials46US 6,610,671 B2Eastman Chemical Company · 2003