C12N 2500/46
Amines
Official title: Amines, e.g. putrescine
C12N2500/46 (Amines) appears on 227 US grants and 373 published applications in this corpus.
Search patents in C12N- Granted patents
- 227
- Published applications
- 373
- Assignees
- 190
- Inventors
- 657
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 5 |
| 2003 | 1 | 8 |
| 2004 | 0 | 7 |
| 2005 | 2 | 4 |
| 2006 | 5 | 9 |
| 2007 | 3 | 9 |
| 2008 | 8 | 13 |
| 2009 | 1 | 17 |
| 2010 | 3 | 11 |
| 2011 | 10 | 18 |
| 2012 | 8 | 10 |
| 2013 | 6 | 16 |
| 2014 | 11 | 13 |
| 2015 | 14 | 30 |
| 2016 | 17 | 22 |
| 2017 | 15 | 19 |
| 2018 | 18 | 17 |
| 2019 | 10 | 20 |
| 2020 | 16 | 21 |
| 2021 | 9 | 16 |
| 2022 | 16 | 16 |
| 2023 | 5 | 25 |
| 2024 | 8 | 22 |
| 2025 | 12 | 11 |
| 2026 | 7 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compositions and methods of making expanded hematopoietic stem cells using derivatives of fluorene4 Aug 2026US 12,698,255 B2ImmuneBridge Inc.
- Culture media based on protein hydrolysate and a process for preparing thereof21 Jul 2026US 12,686,847 B2BTL Healthcare Technologies A.S.
- Cell culture compositions with antioxidants and methods for polypeptide production16 Jun 2026US 12,655,385 B2Genentech, Inc.
- Human disc tissue24 Feb 2026US 12,559,722 B2DiscGenics, Inc.
- Inducer for inducing differentiation of mesenchymal stem cells into estradiol-secreting cells24 Feb 2026US 12,559,727 B2Qingdao Ruiside Biological Technology Co., Ltd.
- Medium composition for suspension culture of adhesive cells1 Oct 2026US 2026/0297509 A1Nissan Chemical Corporation
- Therapy3 Sep 2026US 2026/0258363 A1Plasticell Limited
- Culture medium composition9 Jul 2026US 2026/0193602 A1Ajinomoto Co., Inc.
- Method for the production of gamma delta t cells for immunotherapy applications9 Jul 2026US 2026/0193608 A1Ji Yan Biomedical Co., Ltd.
- Human disc tissue2 Jul 2026US 2026/0185051 A1DiscGenics, Inc.
Most cited
By later US patents
- In vitro growth and proliferation of genetically modified multipotent neural stem cells and their progeny316US 5,750,376 ANeurospheres Holdings Ltd. · 1998
- In vitro growth and proliferation of multipotent neural stem cells and their progeny265US 5,851,832 ANeurospheres, Ltd. · 1998
- Mammalian neural crest stem cells206US 5,589,376 ACalifornia Institute of Technology · 1996
- Chondrocyte media formulations and culture procedures192US 6,150,163 AGenzyme Corporation · 2000
- Neural transplantation using proliferated multipotent neural stem cells and their progeny176US 6,497,872 B1Neurospheres Holdings Ltd. · 2002