B01D 67/0006
By chemical reactions
Official title: {by chemical reactions (in-situ polymerisation, polycondensation, cross-linking or reaction for manufacturing composite membranes B01D69/125)}
B01D67/0006 (By chemical reactions) appears on 676 US grants and 1,003 published applications in this corpus.
Search patents in B01D- Granted patents
- 676
- Published applications
- 1,003
- Assignees
- 443
- Inventors
- 2,163
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 7 |
| 2003 | 6 | 11 |
| 2004 | 5 | 11 |
| 2005 | 2 | 14 |
| 2006 | 5 | 17 |
| 2007 | 7 | 11 |
| 2008 | 8 | 30 |
| 2009 | 11 | 17 |
| 2010 | 15 | 37 |
| 2011 | 10 | 23 |
| 2012 | 29 | 41 |
| 2013 | 15 | 35 |
| 2014 | 32 | 44 |
| 2015 | 32 | 64 |
| 2016 | 39 | 72 |
| 2017 | 46 | 37 |
| 2018 | 42 | 52 |
| 2019 | 30 | 48 |
| 2020 | 39 | 66 |
| 2021 | 40 | 61 |
| 2022 | 41 | 66 |
| 2023 | 24 | 65 |
| 2024 | 60 | 72 |
| 2025 | 49 | 56 |
| 2026 | 28 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Membranes with controlled porosity for serial filtration8 Sep 2026US 12,728,389 B2Gradiant Corporation
- Cation exchange membrane and method for producing same1 Sep 2026US 12,722,125 B2Astom Corporation
- Thin-film composite membranes synthesized by multi-step coating methods18 Aug 2026US 12,708,881 B2Katholieke Universiteit Leuven
- Preparation of metallocene containing cationic polymers for anion exchange applications28 Jul 2026US 12,691,419 B2University of South Carolina
- Method for preparing porous aromatic framework membranes based on inorganic salt template method7 Jul 2026US 12,673,297 B2
- High-pressure reverse osmosis membrane based on pectin-assisted interfacial polymerization and preparation method therefor17 Sep 2026US 2026/0273475 A1Shandong Industrial Institute of Seawater Desalination and Multipurpose Utilization
- 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
- Synthetic channels20 Aug 2026US 2026/0241346 A1Centre National de la Recherche Scientifique (CNRS)
- Composite semipermeable membrane, composite semipermeable membrane module, fluid separation device, and method for producing composite semipermeable membrane6 Aug 2026US 2026/0225045 A1Toray Industries, Inc.
- Methods for making charged ultrafiltration membranes and uses thereof in dairy applications30 Jul 2026US 2026/0216653 A1fairlife, LLC
Most cited
By later US patents
- Preparation of crosslinked matrices containing covalently immobilized chemical species and unbound releasable chemical species253US 5,563,056 ABSI Corporation · 1996
- Process for the manufacture of an ophthalmic molding244US 6,039,913 ANovartis AG · 2000
- Method of making membranes for gas separation and the composite membranes163US 4,602,922 AThe Research Foundation of State University of New York · 1986
- Preparation of a polymeric hydrogel containing micropores and macropores for use as a cell culture substrate134US 5,244,799 A1993
- Hydrophilic membrane122US 6,039,872 APall Corporation · 2000