B01D 67/0031
By elimination of at least one of the blocks of a block
Official title: {by elimination of at least one of the blocks of a block copolymer}
B01D67/0031 (By elimination of at least one of the blocks of a block) appears on 25 US grants and 31 published applications in this corpus.
Search patents in B01D- Granted patents
- 25
- Published applications
- 31
- Assignees
- 25
- Inventors
- 97
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 2 | 3 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 4 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 3 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Polypropylene backbone, and nanoporous polypropylene membrane4 Feb 2025US 12,215,199 B2Sabic Global Technologies B.V.
- Antimicrobial filtration membranes25 Jun 2024US 12,017,187 B2Arrowhead Center, Inc.
- Nanoporous graphene membranes7 Nov 2023US 11,806,678 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Antimicrobial filtration membranes6 Sep 2022US 11,433,359 B1Arrowhead Center, Inc.
- Block copolymer containing photo-sensitive moiety7 Sep 2021US 11,111,331 B2LG Chem, Ltd.
- Mesoporous polyimide thin films as dendrite-suppressing separators for alkali metal batteries4 Dec 2025US 2025/0367613 A1Virginia Tech Intellectual Properties, Inc.
- Method for preparing loose cross-sectional asymmetric isoporous membrane based on thermally induced phase separation process29 May 2025US 2025/0170530 A1Zhejiang University of Technology
- Antimicrobial filtration membranes5 Jan 2023US 2023/0001359 A1Arrowhead Center, Inc.
- Film from graft copolymer having a polypropylene backbone, and nanoporous polypropylene membrane2 Jun 2022US 2022/0169802 A1Sabic Global Technologies B.V.
- Co-casting ultrafiltration membranes with disordered block polymer selective layers3 Mar 2022US 2022/0062827 A1
Most cited
By later US patents
- Mesoscale polynucleotide amplification analysis114US 7,494,770 B2The Trustees of the University of Pennsylvania · 2009
- Poly(ethylene chlorotrifluoroethylene) membranes80US 7,247,238 B2Siemens Water Technologies Corp. · 2007
- Microporous materials77US 5,238,613 A1993
- Poly(ethylene chlorotrifluoroethylene) membranes57US 7,632,439 B2Siemens Water Technologies Corp. · 2009
- Mesoscale polynucleotide amplification device and method30US 6,953,676 B1The Trustees of the University of Pennsylvania · 2005