B01D 69/1214
Chemically bonded layers
Official title: {Chemically bonded layers, e.g. cross-linking}
B01D69/1214 (Chemically bonded layers) appears on 216 US grants and 308 published applications in this corpus.
Search patents in B01D- Granted patents
- 216
- Published applications
- 308
- Assignees
- 206
- Inventors
- 913
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 7 |
| 2007 | 2 | 3 |
| 2008 | 2 | 3 |
| 2009 | 2 | 4 |
| 2010 | 2 | 7 |
| 2011 | 5 | 2 |
| 2012 | 4 | 7 |
| 2013 | 1 | 8 |
| 2014 | 4 | 7 |
| 2015 | 4 | 19 |
| 2016 | 6 | 15 |
| 2017 | 13 | 28 |
| 2018 | 11 | 25 |
| 2019 | 18 | 16 |
| 2020 | 25 | 17 |
| 2021 | 13 | 25 |
| 2022 | 11 | 19 |
| 2023 | 11 | 21 |
| 2024 | 11 | 26 |
| 2025 | 10 | 27 |
| 2026 | 10 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Thin-film composite membranes synthesized by multi-step coating methods18 Aug 2026US 12,708,881 B2Katholieke Universiteit Leuven
- Organosilica membranes, methods of making same, and uses thereof11 Aug 2026US 12,702,957 B2The Research Foundation for The State University of New York
- Method for preparing a novel guanidine-based composite nanofiltration flat-sheet membrane21 Jul 2026US 12,685,969 B2Tongji University
- Passivated silver nanoparticle coatings and methods of making the same21 Jul 2026US 12,686,050 B2Arizona Board of Regents on behalf of Arizona State University
- Mil-125-nh2 metal organic framework nanocomposite membrane for treating oily wastewater and a method of preparation thereof10 Sep 2026US 2026/0264025 A1King Fahd University of Petroleum and Minerals
- Composite semipermeable membrane, composite semipermeable membrane module, fluid separation device, and method for producing composite semipermeable membrane6 Aug 2026US 2026/0225045 A1Toray Industries, Inc.
- Norbornyl benzocyclobutene ladder polymer composite membranes for fluid separation6 Aug 2026US 2026/0225046 A1Osmoses Inc.
- Nanofiltration membrane based on carbon nanotube fibers and method for fabricating the same30 Jul 2026US 2026/0216657 A1Institute of Physics, Chinese Academy of Sciences
- Chemically enhanced electrodialysis (ceed): a universal platform for selective ion removal30 Jul 2026US 2026/0216660 A1Texas Tech University System
Most cited
By later US patents
- Multicomponent membranes for gas separations355US 4,230,463 AMonsanto Company · 1980
- Composite hollow fiber-type separation membranes, processes for the preparation thereof and their use129US 4,664,669 AKuraray Co., Ltd. · 1987
- Process for preparing liquophilic polyamide membrane filter media and product114US 4,340,480 APall Corporation · 1982
- Highly permeable composite reverse osmosis membrane, method of producing the same, and method of using the same96US 5,614,099 ANitto Denko Corporation · 1997
- Composite membranes, processes for their preparation and their use95US 4,968,430 ABayer Aktiengesellschaft · 1990