B01D 2323/66
Avoiding penetration into pores of support of further porous layer with fluid
Official title: Avoiding penetration into pores of support of further porous layer with fluid or counter-pressure
B01D2323/66 (Avoiding penetration into pores of support of further porous layer with fluid) appears on 13 US grants and 15 published applications in this corpus.
Search patents in B01D- Granted patents
- 13
- Published applications
- 15
- Assignees
- 17
- Inventors
- 53
- Latest grant
- 9 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 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 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 2 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Method for making liquid separation membrane13 May 2014US 8,722,146 B2Tianjin Motimo Membrane Technology Co., Ltd.
- A process for the preparation of a supported carbon membranes (cms)20 Feb 2025US 2025/0059043 A1Fundacion Tecnalia Research & Innovation
- Multi-layer composite gas separation membranes, methods for preparation, and use23 Sep 2021US 2021/0291120 A1Saudi Arabian Oil Company
- Supported zeolite films and methods for preparing6 Aug 2020US 2020/0246775 A1ZeoMem Sweden AB
- Nanofiltration or reverse osmosis membrane made of hard carbon film, filtering filter, two-layer-bonded-type filtering filter, and methods for manufacturing same30 Jul 2020US 2020/0238223 A1National Institute for Materials Science
- Gas Separation Membrane21 Jun 2018US 2018/0169594 A1Asahi Kasei Kabushiki Kaisha
Most cited
By later US patents
- Membrane comprising a porous carrier and a layer of a molecular sieve and its preparation28US 6,472,016 B1Societe des Ceramiques Techniques · 2002
- Method for preparing composite membranes for enhanced gas separation20US 4,840,819 AUnion Carbide Corporation · 1989
- Composite fluid separation membranes18US 4,806,189 AMonsanto Company · 1989
- Method of preparing composite gas separation membranes from perfluoropolymers18US 6,540,813 B2Praxair Technology, Inc. · 2003
- Method of preparing composite gas separation membranes from perfluoropolymers6US 6,923,846 B2L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2005