C12N 2500/60
Buffer
Official title: Buffer, e.g. pH regulation, osmotic pressure
C12N2500/60 (Buffer) appears on 218 US grants and 441 published applications in this corpus.
Search patents in C12N- Granted patents
- 218
- Published applications
- 441
- Assignees
- 285
- Inventors
- 999
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 10 |
| 2003 | 3 | 6 |
| 2004 | 0 | 7 |
| 2005 | 1 | 10 |
| 2006 | 3 | 14 |
| 2007 | 2 | 4 |
| 2008 | 2 | 12 |
| 2009 | 3 | 14 |
| 2010 | 7 | 11 |
| 2011 | 3 | 11 |
| 2012 | 10 | 9 |
| 2013 | 5 | 12 |
| 2014 | 8 | 16 |
| 2015 | 11 | 20 |
| 2016 | 13 | 23 |
| 2017 | 14 | 25 |
| 2018 | 12 | 27 |
| 2019 | 10 | 21 |
| 2020 | 13 | 20 |
| 2021 | 14 | 36 |
| 2022 | 12 | 37 |
| 2023 | 9 | 31 |
| 2024 | 13 | 21 |
| 2025 | 19 | 27 |
| 2026 | 8 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for culturing gynaecological tumour primary cells and matching culture medium25 Aug 2026US 12,716,057 B2Genex Health Co., Ltd
- Cell culture media18 Aug 2026US 12,709,733 B2Merck Patent GmbH
- Medium composition for culturing porcine pluripotent stem cells28 Jul 2026US 12,692,477 B2Space F Corp.
- Cell preservation method30 Jun 2026US 12,667,099 B2Cell Exosome Therapeutics Inc.
- Optimized cell transplant, and preparation method and use thereof23 Jun 2026US 12,661,376 B2Gwo Xi Stem Cell Applied Technology Co., Ltd.
- Single b-cell cultivation method24 Sep 2026US 2026/0285949 A1Hoffmann-La Roche Inc.
- Optimized cell transplant3 Sep 2026US 2026/0256844 A1Gwo Xi Stem Cell Applied Technology Co., Ltd.
- Use of optimized cell transplant for treating diseases3 Sep 2026US 2026/0256845 A1Gwo Xi Stem Cell Applied Technology Co., Ltd.
- Methods for overcoming glutamine deprivation during mammalian cell culture27 Aug 2026US 2026/0250628 A1Biogen MA Inc.
- Development of cell medium and feed on mammalian cells27 Aug 2026US 2026/0250741 A1Evonik Operations GmbH
Most cited
By later US patents
- Endoderm cells from human embryonic stem cells169US 7,326,572 B2Geron Corporation · 2008
- Islet cells from human embryonic stem cells152US 7,033,831 B2Geron Corporation · 2006
- Conditioned media for propagating human pluripotent stem cells145US 6,642,048 B2Geron Corporation · 2003
- Mammalian cell culture process112US 5,705,364 AGenentech, Inc. · 1998
- Fed-batch cell culture methods using non-animal-based hydrolysates79US 8,093,045 B2Abbott Laboratories · 2012