C12N 2720/12351
Methods of production or purification of viral material
C12N2720/12351 (Methods of production or purification of viral material) appears on 34 US grants and 41 published applications in this corpus.
Search patents in C12N- Granted patents
- 34
- Published applications
- 41
- Assignees
- 40
- Inventors
- 138
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 2 | 3 |
| 2010 | 2 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 2 |
| 2017 | 2 | 2 |
| 2018 | 2 | 2 |
| 2019 | 4 | 3 |
| 2020 | 2 | 3 |
| 2021 | 1 | 3 |
| 2022 | 2 | 2 |
| 2023 | 1 | 1 |
| 2024 | 4 | 4 |
| 2025 | 0 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Recombinant expression platform, constructs and methods for expression of difficult to express proteins (DTE-PS)24 Feb 2026US 12,559,761 B2Premas Biotech Pvt Ltd
- Adjuvant compositions13 Jan 2026US 12,521,433 B2Zoetis Services LLC
- Recombinant rotavirus expression system and recombinant rotaviruses24 Dec 2024US 12,173,032 B2The Trustees of Indiana University
- Method for producing artificial recombinant rotavirus8 Oct 2024US 12,109,262 B2Osaka University
- Bovine rotavirus fusion protein and calf diarrhea multivalent vaccine9 Apr 2024US 11,952,400 B2Tecon Biopharmaceutical Co., Ltd.
- Rotavirus b virus-like-particle compostions and antibody assays11 Jun 2026US 2026/0158131 A1University of Kentucky Research Foundation
- Method for preparing reassortant rotavirus13 Nov 2025US 2025/0346867 A1
- Rotavirus vaccines4 Sep 2025US 2025/0276053 A1VST LLC dba Medgene
- Recombinant rota virus expression system and recombinant rota viruses29 May 2025US 2025/0171502 A1The Trustees of Indiana University
- Novel Adjuvant Compositions31 Oct 2024US 2024/0358825 A1Zoetis Services LLC
Most cited
By later US patents
- Production of orthomyxoviruses in monkey kidney cells using protein-free media88US 6,146,873 ABaxter Aktiengesellschaft · 2000
- Adjuvant compositions17US 9,662,385 B2Zoetis Services LLC · 2017
- Adjuvant compositions15US 8,580,280 B2Zoetis LLC · 2013
- Production of vaccines7US 7,527,961 B2Crucell Holland B. V. · 2009
- Adjuvant compositions6US 10,238,736 B2Zoetis Services LLC · 2019