C07K 1/18
Ion-exchange chromatography
C07K1/18 (Ion-exchange chromatography) appears on 652 US grants and 1,019 published applications in this corpus.
Search patents in C07K- Granted patents
- 652
- Published applications
- 1,019
- Assignees
- 416
- Inventors
- 2,059
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 2 |
| 2002 | 6 | 6 |
| 2003 | 6 | 9 |
| 2004 | 1 | 9 |
| 2005 | 4 | 6 |
| 2006 | 4 | 12 |
| 2007 | 2 | 13 |
| 2008 | 5 | 7 |
| 2009 | 3 | 18 |
| 2010 | 6 | 24 |
| 2011 | 12 | 28 |
| 2012 | 16 | 44 |
| 2013 | 14 | 43 |
| 2014 | 23 | 45 |
| 2015 | 41 | 47 |
| 2016 | 30 | 54 |
| 2017 | 37 | 61 |
| 2018 | 31 | 62 |
| 2019 | 43 | 86 |
| 2020 | 57 | 65 |
| 2021 | 53 | 82 |
| 2022 | 61 | 101 |
| 2023 | 38 | 44 |
| 2024 | 48 | 63 |
| 2025 | 38 | 47 |
| 2026 | 19 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Manufacturing methods for producing anti-IL12/IL23 antibody compositions29 Sep 2026US 12,747,289 B2Janssen Biotech, Inc.
- Bioprocess with reduced fouling on surfaces15 Sep 2026US 12,734,465 B2Nutrition & Biosciences USA 1, LLC
- Method for preparing and certifying novel coronavirus nucleocapsid protein15 Sep 2026US 12,735,460 B2National Institute of Metrology, China
- Peptide purification formulations and methods14 Jul 2026US 12,679,863 B2Life Technologies Corporation
- Methods for making stable protein compositions14 Jul 2026US 12,679,865 B2Amgen Inc.
- Anti-vegf protein compositions and methods for producing the same8 Oct 2026US 2026/0308231 A1Regeneron Pharmaceuticals, Inc.
- Anti-vegf protein compositions and methods for producing the same8 Oct 2026US 2026/0308232 A1Regeneron Pharmaceuticals, Inc.
- Anti-vegf protein compositions and methods for producing the same8 Oct 2026US 2026/0308233 A1Regeneron Pharmaceuticals, Inc.
- Composition comprising antibody that binds to domain ii of her2 and acidic variants thereof8 Oct 2026US 2026/0308274 A1Genentech, Inc.
- Il-22 fc fusion proteins and methods of use1 Oct 2026US 2026/0297150 A1Genentech, Inc.
Most cited
By later US patents
- Antibody purification179US 7,863,426 B2Abbott Biotechnology Ltd. · 2011
- Protein purification135US 6,489,447 B1Genentech, Inc. · 2002
- Modified factor VIII132US 4,970,300 ANew York University · 1990
- Protein purification127US 6,339,142 B12002
- Non-affinity purification of proteins117US 7,323,553 B2Genentech, Inc. · 2008