B01D 15/363
Anion-exchange
Official title: {Anion-exchange}
B01D15/363 (Anion-exchange) appears on 556 US grants and 881 published applications in this corpus.
Search patents in B01D- Granted patents
- 556
- Published applications
- 881
- Assignees
- 474
- Inventors
- 1,852
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 7 | 4 |
| 2003 | 2 | 6 |
| 2004 | 4 | 11 |
| 2005 | 4 | 18 |
| 2006 | 10 | 16 |
| 2007 | 5 | 15 |
| 2008 | 5 | 15 |
| 2009 | 3 | 13 |
| 2010 | 10 | 21 |
| 2011 | 8 | 19 |
| 2012 | 15 | 24 |
| 2013 | 13 | 29 |
| 2014 | 17 | 37 |
| 2015 | 23 | 48 |
| 2016 | 21 | 47 |
| 2017 | 36 | 52 |
| 2018 | 32 | 54 |
| 2019 | 37 | 64 |
| 2020 | 49 | 51 |
| 2021 | 52 | 63 |
| 2022 | 38 | 67 |
| 2023 | 44 | 57 |
| 2024 | 34 | 52 |
| 2025 | 32 | 57 |
| 2026 | 20 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Copper-64 compositions and purification processes for the preparation of novel copper-64 compositions15 Sep 2026US 12,735,327 B2Curium US LLC
- Online native mass spectrometry methods for assaying viral particles11 Aug 2026US 12,704,515 B2Regeneron Pharmaceuticals, Inc.
- Methods for quantification of amyloid β peptides in plasma by mass spectrometry26 May 2026US 12,638,453 B2Araclon Biotech, S.L.
- Process for enhancing organoleptic properties of natural products and natraceuticals thereof5 May 2026US 12,616,731 B2DiaBliss Consumer Products Pvt Ltd
- Process for the deprotection of oligonucleotides5 May 2026US 12,616,921 B2Hoffmann-La Roche Inc.
- Process for preparing extracellular vesicles1 Oct 2026US 2026/0295460 A1Lonza Sales AG
- Novel materials and methods for refining processes17 Sep 2026US 2026/0273436 A1Lihme Protein Solutions ApS
- Purification of soluble complement receptor and variants thereof10 Sep 2026US 2026/0265294 A1CSL Innovation Pty Ltd
- Methods and Compositions for the Enrichment of Nucleic Acid Containing AAV Capsids3 Sep 2026US 2026/0258372 A1Brammer Bio, LLC
- A method of enhanced separation of full adeno-associated virus (aav) capsids20 Aug 2026US 2026/0242424 A1Sartorius BIA Separations d.o.o.
Most cited
By later US patents
- Modified siliceous chromatographic supports159US 4,724,207 ACuno Incorporated · 1988
- Process for preparing macroreticular resins, copolymers and products of said process123US 4,382,124 ARohm and Haas Company · 1983
- Method of antibody purification84US 7,714,112 B2GE Healthcare Bio-Sciences AB · 2010
- Chromatographic process for the separation of nucleic acids71US 4,699,717 A1987
- Precision and accuracy of anion-exchange separation of nucleic acids68US 5,866,429 A1999