G01N 33/539
Involving precipitating reagent
Official title: involving precipitating reagent {, e.g. ammonium sulfate}
G01N33/539 (Involving precipitating reagent) appears on 121 US grants and 118 published applications in this corpus.
Search patents in G01N- Granted patents
- 121
- Published applications
- 118
- Assignees
- 114
- Inventors
- 324
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 5 |
| 2012 | 0 | 3 |
| 2013 | 1 | 3 |
| 2014 | 0 | 2 |
| 2015 | 5 | 2 |
| 2016 | 0 | 4 |
| 2017 | 1 | 3 |
| 2018 | 2 | 11 |
| 2019 | 3 | 22 |
| 2020 | 5 | 12 |
| 2021 | 11 | 8 |
| 2022 | 12 | 6 |
| 2023 | 8 | 7 |
| 2024 | 2 | 2 |
| 2025 | 7 | 10 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Recombinant full-length single chain immunoglobulins19 May 2026US 12,630,634 B2Etablissement Francais Du Sang
- Assays for detecting the presence or amount of an anti-drug antibody3 Mar 2026US 12,566,186 B2Genzyme Corporation
- Biomarker for detecting cancer16 Dec 2025US 12,498,372 B2Board of Regents, The University of Texas System
- Apparatus and method for detecting microbial contamination4 Nov 2025US 12,461,100 B2S D Systems, Inc.
- Digital affinity linkage assay27 May 2025US 12,313,628 B2Bio-Rad Laboratories, Inc.
- Method and device for estimating amount of tau protein accumulation in subject's brain24 Sep 2026US 2026/0287581 A1National Institutes for Quantum Science and Technology
- Molecular indexing of proteins by self assembly (mipsa) for efficient proteomic investigations23 Jul 2026US 2026/0209391 A1The Johns Hopkins University
- High-throughput protein detection method based on adjacent dna encoding11 Jun 2026US 2026/0159885 A1MGI Tech Co., Ltd.
- Methods and kits for measuring three or more tau epitopes7 May 2026US 2026/0126434 A1Meso Scale Technologies, LLC.
- Application for pir-hsa-164586 and myh912 Mar 2026US 2026/0072011 A1Qingdao Kangmingbei Jian Biopharmaceutical Co., Ltd.
Most cited
By later US patents
- Method of performing affinity separation using immobilized flocculating agent on chromatographic support139US 5,422,284 AE. I. Du Pont de Nemours and Company · 1995
- Antibodies to complexes of ligand receptors and ligands and their utility in ligand-receptor assays117US 5,480,792 ABiosite Diagnostics, Inc. · 1996
- Antibodies to complexes of ligand receptors and ligands and their utility in ligand-receptor assays114US 5,985,579 ABiosite Diagnostics, Inc. · 1999
- Protein precipitation reagent80US 5,135,875 AAbbott Laboratories · 1992
- Sandwich immunoassay utilizing a separation specific binding substance66US 4,737,453 AImmunomedics, Inc. · 1988