B01J 20/3287
Layers in the form of a liquid
Official title: {Layers in the form of a liquid}
B01J20/3287 (Layers in the form of a liquid) appears on 64 US grants and 83 published applications in this corpus.
Search patents in B01J- Granted patents
- 64
- Published applications
- 83
- Assignees
- 68
- Inventors
- 226
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 2 |
| 2011 | 1 | 0 |
| 2012 | 2 | 5 |
| 2013 | 1 | 5 |
| 2014 | 3 | 3 |
| 2015 | 3 | 6 |
| 2016 | 6 | 10 |
| 2017 | 4 | 7 |
| 2018 | 2 | 5 |
| 2019 | 3 | 1 |
| 2020 | 1 | 4 |
| 2021 | 2 | 2 |
| 2022 | 3 | 2 |
| 2023 | 3 | 8 |
| 2024 | 3 | 7 |
| 2025 | 8 | 7 |
By publication year. Applications have been published since 2001.
Recent patents
- Component including a volatile hydrophobic coating and methods including the same16 Sep 2025US 12,415,298 B2Kimberly-Clark Worldwide, Inc.
- Porous ceramics for additive manufacturing, filtration, and membrane applications20 May 2025US 12,303,863 B2Lawrence Livermore National Security, LLC
- Solid amine material absorbing carbon dioxide, preparation method and application thereof11 Mar 2025US 12,246,301 B2DeCarbon Technology (Shenzhen) Co., Ltd.
- Imidazolium ionic liquids made using cardanol extracted from cashew nutshell oil to enhance crude oil recovery in oilfields18 Feb 2025US 12,226,751 B2King Saud University
- Sequestering agents, kits therefor, and methods of using sequestering agents and kits therefor11 Feb 2025US 12,221,535 B2Carbonet Nanotechnologies Inc.
- Composite sorbent material6 Nov 2025US 2025/0339835 A1Aston University
- Filter material and manufacturing method thereof12 Jun 2025US 2025/0186973 A1Sangtech Lab Inc.
- Devices and methods for detecting pathogens in a sample29 May 2025US 2025/0170498 A1Phase Diagnostics, Inc.
- Membrane-based processing for ambient water-group species captured on the Moon and in space6 Mar 2025US 2025/0073636 A1
- Layered multi-metal-oxide-based magnetic biochar and preparation method and use thereof27 Feb 2025US 2025/0065299 A1Institute of Environment and Sustainable Development In Agriculture, Chinese Academy of
Most cited
By later US patents
- Immobilized polyethylene oxide star molecules for bioapplications126US 5,171,264 AMassachusetts Institute of Technology · 1992
- Lignocellulosic and cellulosic beads for use in affinity and immunoaffinity chromatography of high molecular weight proteins57US 5,328,603 ACenter for Innovative Technology · 1994
- Coated media for chromatography54US 5,030,352 APurdue Research Foundation · 1991
- Metal matrices for use in high gradient magnetic separation of biological materials and method for coating the same51US 5,385,707 A1995
- Multicomponent depth odor control filter and method of manufacture49US 5,951,744 AAlliedSignal Inc. · 1999