B01D 2325/0232
Dense layer on both outer sides of the membrane
B01D2325/0232 (Dense layer on both outer sides of the membrane) appears on 11 US grants and 18 published applications in this corpus.
Search patents in B01D- Granted patents
- 11
- Published applications
- 18
- Assignees
- 18
- Inventors
- 51
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 2 |
| 2023 | 0 | 1 |
| 2024 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Highly aligned and packed hollow fiber assembly31 Dec 2024US 12,180,629 B2Mtamtech Inc.
- Porous hollow fiber membrane24 Dec 2024US 12,172,135 B2DAICEN MEMBRANE-SYSTEMS Ltd.
- Ultra-violet treatment of membranes and resulting membrane29 Oct 2024US 12,128,363 B2Solventum Intellectual Properties Company
- Porous polyether sulfone film and production method therefor11 May 2021US 11,001,691 B2Ube Industries, Ltd.
- Carbon membrane for fluid separation, fluid separation membrane module, and method for producing carbon membrane for fluid separation25 Dec 2018US 10,159,943 B2Toray Industries, Inc.
- A membrane (m) comprising a sulfonated poly(arylene ether sulfone) polymer (sp) and a non-sulfonated poly(arylene sulfone) polymer (p)5 Dec 2024US 2024/0399314 A1BASF SE
- Multi-layer porous block copolymer films31 Aug 2023US 2023/0272146 A1
- Highly aligned and packed hollow fiber assembly16 Jun 2022US 2022/0186416 A1Mtamtech Inc.
- Membrane, membrane contactor, apparatus and method for removal of dissolved oxygen from fluid31 Mar 2022US 2022/0096964 A1Ngee Ann Polytechnic
- Ultra-violet treatment of membranes and resulting membrane30 Dec 2021US 2021/0402354 A13M Innovative Properties Company
Most cited
By later US patents
- Unsupported multizone microporous membrane21US 6,706,184 B2Cuno Incorporated · 2004
- Asymmetric polymer membrane and preparation thereof12US 5,236,588 ADainippon Ink and Chemicals, Inc. · 1993
- Carbon membrane for fluid separation, fluid separation membrane module, and method for producing carbon membrane for fluid separation1US 10,159,943 B2Toray Industries, Inc. · 2018
- Device for gas separation and method for producing such a system1US 8,016,924 B2Forschungszentrum Juelich GmbH · 2011
- Macroporous filtration membrane1US 9,844,625 B23M Innovative Properties Company · 2017