B01L 2300/069
Absorbents
Official title: Absorbents; Gels to retain a fluid
B01L2300/069 (Absorbents) appears on 977 US grants and 1,596 published applications in this corpus.
Search patents in B01L- Granted patents
- 977
- Published applications
- 1,596
- Assignees
- 868
- Inventors
- 3,613
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 9 | 0 |
| 2000 | 12 | 0 |
| 2001 | 9 | 6 |
| 2002 | 15 | 21 |
| 2003 | 14 | 30 |
| 2004 | 12 | 30 |
| 2005 | 10 | 47 |
| 2006 | 9 | 28 |
| 2007 | 17 | 43 |
| 2008 | 13 | 47 |
| 2009 | 14 | 36 |
| 2010 | 29 | 52 |
| 2011 | 35 | 45 |
| 2012 | 30 | 38 |
| 2013 | 23 | 40 |
| 2014 | 29 | 42 |
| 2015 | 22 | 52 |
| 2016 | 42 | 89 |
| 2017 | 40 | 67 |
| 2018 | 46 | 80 |
| 2019 | 54 | 65 |
| 2020 | 63 | 66 |
| 2021 | 62 | 87 |
| 2022 | 52 | 164 |
| 2023 | 64 | 138 |
| 2024 | 72 | 115 |
| 2025 | 73 | 112 |
| 2026 | 57 | 56 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Microfluidic detection strip chip and preparation and method thereof29 Sep 2026US 12,746,543 B2Xiamen Brana Design Co., Ltd.
- Chromatographic strip support tool and method for using same22 Sep 2026US 12,742,736 B2Kaneka Corporation
- Microfluidic device, production of a microfluidic device and method and system for performing inorganic determinations18 Aug 2026US 12,708,896 B2Nordetect Holdings, Inc.
- Gas sensor for detecting volatile organic compounds and method for manufacturing same18 Aug 2026US 12,710,411 B2LG Electronics Inc.
- Test strip assembly with containers11 Aug 2026US 12,702,974 B2Aeneas GmbH & Co. KG
- Ink formulations for printing and manufacture of reactive chemical sensors8 Oct 2026US 2026/0307076 A1Veriteque USA Inc.
- Kit for early detection of colorectal cancer dna using lateral flow assay1 Oct 2026US 2026/0297677 A1PREDICTIVE AI, Inc.
- Viral infections - treatment with convalescent plasma/serum24 Sep 2026US 2026/0284652 A1Regen Lab USA LLC
- Methods for delivery of bodily fluids onto a fibrous substrate10 Sep 2026US 2026/0263053 A1Tasso, Inc.
- Automated group separations of complex mixtures with gel filtration pipette tips27 Aug 2026US 2026/0249210 A1Dpx Technologies, Inc.
Most cited
By later US patents
- Miniaturized genetic analysis systems and methods668US 6,168,948 AAffymetrix, Inc. · 2001
- Embossed test strip system406US 6,162,639 AAmira Medical · 2000
- Method and apparatus for continuous liquid flow in microscale channels using pressure injection, wicking, and electrokinetic injection313US 6,416,642 B1Caliper Technologies Corp. · 2002
- Reaction system element and method for performing prothrombin time assay296US 4,849,340 ACardiovascular Diagnostics, Inc. · 1989
- Analytical cartridge and system for detecting analytes in liquid samples292US 5,223,219 ABiotrack, Inc. · 1993