B01D 67/003
By selective elimination of components
Official title: {by selective elimination of components, e.g. by leaching}
B01D67/003 (By selective elimination of components) appears on 319 US grants and 264 published applications in this corpus.
Search patents in B01D- Granted patents
- 319
- Published applications
- 264
- Assignees
- 220
- Inventors
- 829
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 10 | 0 |
| 1990 | 13 | 0 |
| 1991 | 11 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 13 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 5 |
| 2003 | 6 | 24 |
| 2004 | 8 | 9 |
| 2005 | 9 | 17 |
| 2006 | 8 | 7 |
| 2007 | 10 | 9 |
| 2008 | 6 | 14 |
| 2009 | 7 | 8 |
| 2010 | 6 | 9 |
| 2011 | 7 | 2 |
| 2012 | 5 | 10 |
| 2013 | 6 | 17 |
| 2014 | 3 | 18 |
| 2015 | 7 | 21 |
| 2016 | 11 | 7 |
| 2017 | 12 | 16 |
| 2018 | 8 | 9 |
| 2019 | 7 | 5 |
| 2020 | 9 | 7 |
| 2021 | 6 | 7 |
| 2022 | 10 | 6 |
| 2023 | 6 | 14 |
| 2024 | 4 | 13 |
| 2025 | 4 | 5 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Microporous membranes, underlayment, roofing, flashing, wrap, and methods for making and using the same14 Jul 2026US 12,678,741 B2Daramic, LLC
- Method for preparing porous aromatic framework membranes based on inorganic salt template method7 Jul 2026US 12,673,297 B2
- Solvent-free production of porous polymer structures23 Jun 2026US 12,661,619 B2Novamem AG
- Membrane comprising a blend of polyarylethersulfone and polyaryletherketone and method for manufacturing thereof19 May 2026US 12,630,706 B2Syensqo Specialty Polymers USA, LLC
- Polyethylene microporous membrane, method for manufacturing the same, and separator including microporous membrane21 Apr 2026US 12,609,412 B2SK ie technology Co., Ltd.
- Membrane comprising a blend of polyarylethersulfone and polyaryletherketone and method for manufacturing thereof3 Sep 2026US 2026/0258241 A1Syensqo Specialty Polymers USA, LLC
- Oxidation resistant membranes30 Jul 2026US 2026/0216669 A1BASF SE
- Polyolefin-Based Microporous Membrane, Method for Manufacturing the Same, and Secondary Battery Including the Same5 Mar 2026US 2026/0066458 A1SK ie technology Co., Ltd.
- Polyolefin-based microporous membrane, secondary battery including the same, and manufacturing method thereof1 Jan 2026US 2026/0005394 A1SK ie technology Co., Ltd.
- Mesoporous polyimide thin films as dendrite-suppressing separators for alkali metal batteries4 Dec 2025US 2025/0367613 A1Virginia Tech Intellectual Properties, Inc.
Most cited
By later US patents
- Porous microfabricated polymer membrane structures460US 5,807,406 ABaxter International Inc. · 1998
- Biocompatible polymer membranes and methods of preparation of three dimensional membrane structures297US 5,514,378 AChildren's Medical Center Corporation · 1996
- Process for producing microporous powders and membranes180US 4,968,733 AAkzo N. V. · 1990
- Preparation of a polymeric hydrogel containing micropores and macropores for use as a cell culture substrate134US 5,244,799 A1993
- Mesoscale polynucleotide amplification analysis114US 7,494,770 B2The Trustees of the University of Pennsylvania · 2009