C12N 1/04
Preserving or maintaining viable microorganisms
Official title: Preserving or maintaining viable microorganisms (immobilised microorganisms C12N11/00)
C12N1/04 (Preserving or maintaining viable microorganisms) appears on 548 US grants and 781 published applications in this corpus.
Search patents in C12N- Granted patents
- 548
- Published applications
- 781
- Assignees
- 554
- Inventors
- 1,926
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 10 | 0 |
| 1981 | 6 | 0 |
| 1982 | 11 | 0 |
| 1983 | 7 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 12 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 9 | 0 |
| 1998 | 14 | 0 |
| 1999 | 9 | 0 |
| 2000 | 13 | 0 |
| 2001 | 11 | 4 |
| 2002 | 15 | 25 |
| 2003 | 18 | 15 |
| 2004 | 7 | 13 |
| 2005 | 10 | 19 |
| 2006 | 6 | 11 |
| 2007 | 5 | 17 |
| 2008 | 2 | 13 |
| 2009 | 4 | 17 |
| 2010 | 5 | 21 |
| 2011 | 9 | 19 |
| 2012 | 4 | 24 |
| 2013 | 12 | 19 |
| 2014 | 10 | 32 |
| 2015 | 15 | 23 |
| 2016 | 20 | 33 |
| 2017 | 19 | 27 |
| 2018 | 17 | 40 |
| 2019 | 20 | 46 |
| 2020 | 32 | 51 |
| 2021 | 23 | 55 |
| 2022 | 21 | 65 |
| 2023 | 32 | 48 |
| 2024 | 23 | 66 |
| 2025 | 29 | 54 |
| 2026 | 18 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Therapeutic bacteriophages22 Sep 2026US 12,742,158 B2University of Leicester
- Method for freezing cell structure25 Aug 2026US 12,714,096 B2Kyoto Prefectural Public University Corporation
- Traditional Chinese medicine polysaccharide extract freeze-drying protective agent, direct-to-vat starter and preparation methods thereof28 Jul 2026US 12,690,602 B2Freshwater Fisheries Research Institute of Jiangsu Province
- High aspect ratio devices and methods for vitrification of biological samples by rapid cooling28 Jul 2026US 12,692,471 B2The General Hospital Corporation
- Repeated fed-batch culture methods28 Jul 2026US 12,692,530 B2Mara Renewables Corporation
- Novel process for producing lactobacillus rhamnosus24 Sep 2026US 2026/0286285 A1Dsm IP Assets B.V.
- Method for preparing cultures of lactic acid bacteria, products and culture media therefore10 Sep 2026US 2026/0265677 A1Chr. Hansen A/S
- Novel process for producing lactobacillus rhamnosus10 Sep 2026US 2026/0265681 A1Dsm IP Assets B.V.
- Bacillus licheniformis, use thereof in degrading polyolefin products, polyolefin degradation microbial agent, preparation method for polyolefin product additive, and polyolefin product10 Sep 2026US 2026/0265683 A1China International Marine Containers (Group) Ltd.
- Storage liquid for mammalian cells23 Jul 2026US 2026/0209682 A1Megakaryon Corporation
Most cited
By later US patents
- Method of encapsulating biologically active materials in lipid vesicles1,201US 4,235,871 A1980
- Method for processing and preserving collagen-based tissues for transplantation610US 5,336,616 ALifeCell Corporation · 1994
- Method of cryopreserving a suspension of biological material150US 5,364,756 ALifeCell Corporation · 1994
- Specimen transport device containing a specimen stabilizing composition147US 5,108,927 AWadley Technologies, Inc. · 1992
- Encapsulation of biomaterials in porous glass-like matrices prepared via an aqueous colloidal sol-gel process122US 6,303,290 B1The Trustees of the University of Pennsylvania · 2001