B01D 53/1443
Pretreatment by diffusion
Official title: {Pretreatment by diffusion}
B01D53/1443 (Pretreatment by diffusion) appears on 26 US grants and 32 published applications in this corpus.
Search patents in B01D- Granted patents
- 26
- Published applications
- 32
- Assignees
- 24
- Inventors
- 77
- Latest grant
- 11 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 4 |
| 2016 | 3 | 6 |
| 2017 | 3 | 2 |
| 2018 | 2 | 3 |
| 2019 | 2 | 4 |
| 2020 | 2 | 3 |
| 2021 | 2 | 4 |
| 2022 | 4 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methanol production process with higher carbon utilization by CO2 recycle11 Jun 2024US 12,006,280 B2ENI S. p. A.
- Spacesuit contaminant removal using liquid sorbent18 Apr 2023US 11,628,397 B2Honeywell International Inc.
- Contaminant concentration and removal system using liquid sorbent29 Nov 2022US 11,511,225 B2Honeywell International Inc.
- Process of improved sulfur capture from a syngas mixture23 Aug 2022US 11,420,155 B2Membrane Technology and Research, Inc.
- Sulfur recovery operation with improved carbon dioxide recovery10 May 2022US 11,325,065 B2Membrane Technology and Research, Inc.
- Carbon emission reduction in process unit by increased hydrocarbon recovery from net gas stream26 Mar 2026US 2026/0085026 A1Uop LLC
- Methods for dissolving target chemical species into absorbent liquids10 Apr 2025US 2025/0114737 A1Saudi Arabian Oil Company
- Process for separating carbon dioxide from a gas stream and use4 Jan 2024US 2024/0001290 A1Petroleo Brasileiro S.A. - Petrobras
- Methanol production process with higher carbon utilization by co2 recycle16 Dec 2021US 2021/0387934 A1ENI S. p. A.
- Spacesuit contaminant removal using liquid sorbent30 Sep 2021US 2021/0299606 A1Honeywell International Inc.
Most cited
By later US patents
- CO.sub.2 Removal from high CO.sub.2 content hydrocarbon containing streams96US 4,466,946 AStandard Oil Company (Indiana) · 1984
- Energy-efficient process for the stripping of gases from liquids74US 4,444,571 ABend Research, Inc. · 1984
- CO.sub.2 removal from high CO.sub.2 content hydrocarbon containing streams46US 4,529,411 AThe Standard Oil Company · 1985
- Method for recovering hydrocarbon vapor39US 4,772,295 ANippon Kokan Kabushiki Kaisha · 1988
- Process and device for the separation of an unsaturated hydrocarbon from a fluid mixture with other hydrocarbons12US 5,498,339 ADsm N. V. · 1996