C07K 1/14
Extraction
Official title: Extraction; Separation; Purification
C07K1/14 (Extraction) appears on 3,318 US grants and 5,220 published applications in this corpus.
Search patents in C07K- Granted patents
- 3,318
- Published applications
- 5,220
- Assignees
- 2,097
- Inventors
- 10,317
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 15 | 0 |
| 1988 | 9 | 0 |
| 1989 | 13 | 0 |
| 1990 | 17 | 0 |
| 1991 | 17 | 0 |
| 1992 | 29 | 0 |
| 1993 | 22 | 0 |
| 1994 | 22 | 0 |
| 1995 | 21 | 0 |
| 1996 | 18 | 0 |
| 1997 | 30 | 0 |
| 1998 | 32 | 0 |
| 1999 | 36 | 0 |
| 2000 | 38 | 0 |
| 2001 | 28 | 17 |
| 2002 | 44 | 71 |
| 2003 | 32 | 81 |
| 2004 | 35 | 99 |
| 2005 | 39 | 88 |
| 2006 | 49 | 128 |
| 2007 | 39 | 112 |
| 2008 | 47 | 105 |
| 2009 | 23 | 131 |
| 2010 | 71 | 166 |
| 2011 | 59 | 168 |
| 2012 | 78 | 162 |
| 2013 | 98 | 220 |
| 2014 | 151 | 247 |
| 2015 | 165 | 250 |
| 2016 | 149 | 279 |
| 2017 | 188 | 274 |
| 2018 | 155 | 247 |
| 2019 | 209 | 338 |
| 2020 | 205 | 325 |
| 2021 | 229 | 341 |
| 2022 | 194 | 349 |
| 2023 | 197 | 258 |
| 2024 | 187 | 307 |
| 2025 | 178 | 263 |
| 2026 | 109 | 194 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for providing proteinaceous composition6 Oct 2026US 12,751,468 B2Michael Foods, Inc.
- Fc-binding protein having improved acid stability, production method for said protein, and antibody-adsorbing agent using said protein6 Oct 2026US 12,753,235 B2Tosoh Corporation
- Integrated method for urinary prostate specific Antigen N-glycosylation profiling by capillary electrophoresis6 Oct 2026US 12,754,163 B2Pannon Egyetem
- Methods and compositions for electophoretic separations6 Oct 2026US 12,754,165 B2DH Techologies Development Pte. Ltd.
- Binding protein specific for the spike protein of severe acute respiratory syndrome corona virus 2 (SARS-CoV-2)6 Oct 2026US 12,754,184 B2Navigo Proteins GmbH
- New ternatin-type cyclopeptides for use in therapy8 Oct 2026US 2026/0308205 A1
- 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.
Most cited
By later US patents
- Method and device for moving molecules by the application of a plurality of electrical fields698US 5,126,022 ASoane Tecnologies, Inc. · 1992
- Low pH hydrophobic interaction chromatography for antibody purification599US 5,641,870 AGenentech, Inc. · 1997
- Method and device for moving molecules by the application of a plurality of electrical fields518US 5,750,015 ASoane Biosciences, Inc. · 1998
- Surface-modifying endgroups for biomedical polymers517US 5,589,563 AThe Polymer Technology Group · 1996
- Methods for fabricating enclosed microchannel structures443US 6,176,962 B1Aclara Biosciences, Inc. · 2001