A01N 1/125
Freeze protecting agents
Official title: Freeze protecting agents, e.g. cryoprotectants or osmolarity regulators
A01N1/125 (Freeze protecting agents) appears on 653 US grants and 1,002 published applications in this corpus.
Search patents in A01N- Granted patents
- 653
- Published applications
- 1,002
- Assignees
- 601
- Inventors
- 2,021
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 10 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 12 | 0 |
| 1998 | 23 | 0 |
| 1999 | 20 | 0 |
| 2000 | 19 | 0 |
| 2001 | 17 | 7 |
| 2002 | 18 | 25 |
| 2003 | 13 | 25 |
| 2004 | 11 | 24 |
| 2005 | 10 | 32 |
| 2006 | 10 | 29 |
| 2007 | 6 | 19 |
| 2008 | 4 | 25 |
| 2009 | 11 | 23 |
| 2010 | 5 | 18 |
| 2011 | 15 | 29 |
| 2012 | 10 | 24 |
| 2013 | 13 | 22 |
| 2014 | 15 | 23 |
| 2015 | 9 | 35 |
| 2016 | 14 | 34 |
| 2017 | 19 | 44 |
| 2018 | 25 | 39 |
| 2019 | 21 | 68 |
| 2020 | 30 | 79 |
| 2021 | 34 | 70 |
| 2022 | 42 | 93 |
| 2023 | 42 | 69 |
| 2024 | 42 | 56 |
| 2025 | 40 | 53 |
| 2026 | 33 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aqueous solution for cell preservation6 Oct 2026US 12,751,446 B2Promocell GmbH
- Platelet storage methods and compositions15 Sep 2026US 12,733,635 B2Platefuse, Inc.
- Cryoprotectant polymers and methods of making and using thereof25 Aug 2026US 12,714,094 B2Board of Regents, The University of Texas System
- Method of preparing a faecal microbiota sample25 Aug 2026US 12,714,729 B2Institut National De Recherche Pour L'agriculture, L' Alimentation Et L'environment
- Viable cell compositions, and methods related to same28 Jul 2026US 12,690,582 B2Gallant Pet, Inc.
- Closed process for expansion and gene editing of tumor infiltrating lymphocytes and uses of same in immunotherapy1 Oct 2026US 2026/0293881 A1Iovance Biotherapeutics, Inc.
- Systems and methods for cell culturing24 Sep 2026US 2026/0286267 A1Flaskworks, LLC
- Systems and methods for reversible cryopreservation20 Aug 2026US 2026/0240145 A1Until Labs, Inc.
- Freeze-dried cell culture media and supplements20 Aug 2026US 2026/0242722 A1Life Technologies Corporation
- Methods of cell preservation20 Aug 2026US 2026/0242746 A1Be Biopharma, Inc.
Most cited
By later US patents
- Method for preserving organs for transplantation by vitrification214US 5,217,860 AAmerican National Red Cross · 1993
- Computer controlled cryoprotectant perfusion apparatus194US 5,472,876 AAmerican National Red Cross · 1995
- Perfusate for the preservation of organs161US 4,798,824 AWisconsin Alumni Research Foundation · 1989
- Dynamic fixation of porcine aortic valves156US 5,279,612 AMedtronic, Inc. · 1994
- Use of cryoprotective agent compounds during cryosurgery152US 6,041,787 A2000