B01D 15/3809
Of the antigen-antibody type
Official title: {of the antigen-antibody type, e.g. protein A, G or L chromatography}
B01D15/3809 (Of the antigen-antibody type) appears on 463 US grants and 681 published applications in this corpus.
Search patents in B01D- Granted patents
- 463
- Published applications
- 681
- Assignees
- 312
- Inventors
- 1,314
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 5 |
| 2003 | 5 | 8 |
| 2004 | 2 | 4 |
| 2005 | 4 | 8 |
| 2006 | 3 | 5 |
| 2007 | 3 | 13 |
| 2008 | 6 | 6 |
| 2009 | 2 | 9 |
| 2010 | 7 | 14 |
| 2011 | 4 | 11 |
| 2012 | 5 | 13 |
| 2013 | 8 | 20 |
| 2014 | 11 | 28 |
| 2015 | 14 | 35 |
| 2016 | 18 | 41 |
| 2017 | 23 | 51 |
| 2018 | 20 | 40 |
| 2019 | 30 | 63 |
| 2020 | 45 | 46 |
| 2021 | 41 | 50 |
| 2022 | 29 | 58 |
| 2023 | 33 | 45 |
| 2024 | 31 | 47 |
| 2025 | 36 | 38 |
| 2026 | 19 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bioprocess with reduced fouling on surfaces15 Sep 2026US 12,734,465 B2Nutrition & Biosciences USA 1, LLC
- Modification of antibody FcRn binding1 Sep 2026US 12,723,069 B2Hoffmann-La Roche Inc.
- Methods for purifying antibodies21 Jul 2026US 12,686,702 B2GlaxoSmithKline Intellectual Property Development Limited
- Alkali-tolerant affinity chromatography ligands14 Jul 2026US 12,679,873 B2Guangzhou Binding Technologies Co., Limited
- Continuous purification device26 May 2026US 12,636,594 B2Stamm Vegh Corporation
- Separation Matrix and a Method of Separating Antibodies1 Oct 2026US 2026/0295462 A1Cytiva BioProcess R&D AB
- Process of affinity chromatography1 Oct 2026US 2026/0295463 A1Kashiv Biosciences, LLC
- Immunoglobulin-binding protein1 Oct 2026US 2026/0297140 A1Tosoh Corporation
- Methods for analyzing chain mispairing in multispecific binding proteins1 Oct 2026US 2026/0298942 A1Sanofi
- Methods of reducing the enzymatic hydrolysis activity rate in a composition obtained from a purification platform17 Sep 2026US 2026/0274889 A1Genentech, Inc.
Most cited
By later US patents
- Multichain polypeptides or proteins and processes for their production1,110US 4,816,397 ACelltech Limited · 1989
- Magnetic iron-dextran microspheres466US 4,452,773 ACanadian Patents and Development Limited · 1984
- Affinity matrices of modified polysaccharide supports427US 5,059,654 ACuno Incorporated · 1991
- Use of retentate chromatography to generate difference maps229US 6,225,047 B1Ciphergen Biosystems, Inc. · 2001
- Selective removal of immunospecifically recognizable substances from solution156US 4,551,435 AImmunicon Corporation · 1985