G01N 2496/25
Containing added polymers to stabilise biological material against degradation or maintain viscosity
Official title: containing added polymers to stabilise biological material against degradation or maintain viscosity or density, e.g. gelatin, polyacrylamides or polyvinyl alcohol
G01N2496/25 (Containing added polymers to stabilise biological material against degradation or maintain viscosity) appears on 26 US grants and 19 published applications in this corpus.
Search patents in G01N- Granted patents
- 26
- Published applications
- 19
- Assignees
- 22
- Inventors
- 74
- Latest grant
- 17 Feb 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 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 3 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 3 |
| 2024 | 3 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Whole blood control sample systems and method of preparing and using the same17 Feb 2026US 12,553,907 B2Perosphere Technologies Inc.
- Preparation of nucleated RBC (NRBC) analogs for use as reference hematology controls in automated hematology analyzers10 Dec 2024US 12,163,968 B2Bio-Rad Laboratories, Inc.
- Usages of recombinant extracellular vesicles1 Oct 2024US 12,105,091 B2Universiteit Gent
- Synthetic controls for immunohistochemistry25 Jun 2024US 12,019,069 B2Genentech, Inc.
- Treatment liquid for exclusion of steroid included in cyclodextrin14 Mar 2023US 11,604,199 B2Fujirebio Inc.
- Whole blood control sample systems and method of preparing and using the same18 Jun 2026US 2026/0169012 A1Perosphere Technologies Inc.
- Modified cells as multimodal standards for cytometry and separation17 Jul 2025US 2025/0231205 A1University of Virginia Patent Foundation
- Quality control solution and use thereof2 Jan 2025US 2025/0003996 A1Leadway (Hk) Limited
- Synthetic controls for immunohistochemistry19 Dec 2024US 2024/0418709 A1Genentech, Inc.
- Composition containing tarc, and method for improving storage stability of tarc24 Aug 2023US 2023/0266337 A1Sekisui Medical Co., Ltd.
Most cited
By later US patents
- Control solution and method for testing the performance of an electrochemical device for determining the concentration of an analyte in blood252US 5,723,284 ABayer Aktiengesellschaft · 1998
- Dispersion to limit penetration of aqueous solutions into a membrane233US 5,187,100 ALifeScan, Inc. · 1993
- Method for control or calibration in a chemical analytical determination47US 5,308,767 AFuji Photo Film Co., Ltd. · 1994
- Additive preparation and method of use thereof41US 6,225,123 B1Becton, Dickinson and Company · 2001
- Blood gas controls composition, method and apparatus37US 4,289,648 AOrtho Diagnostics, Inc. · 1981