B01D 2253/1085
Characterized by a silicon-aluminium ratio
Official title: characterized by a silicon-aluminium ratio
B01D2253/1085 (Characterized by a silicon-aluminium ratio) appears on 284 US grants and 254 published applications in this corpus.
Search patents in B01D- Granted patents
- 284
- Published applications
- 254
- Assignees
- 130
- Inventors
- 692
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 16 | 0 |
| 2001 | 13 | 5 |
| 2002 | 22 | 8 |
| 2003 | 14 | 6 |
| 2004 | 1 | 6 |
| 2005 | 6 | 2 |
| 2006 | 4 | 3 |
| 2007 | 0 | 2 |
| 2008 | 2 | 3 |
| 2009 | 4 | 3 |
| 2010 | 1 | 1 |
| 2011 | 2 | 6 |
| 2012 | 4 | 14 |
| 2013 | 4 | 12 |
| 2014 | 12 | 6 |
| 2015 | 9 | 25 |
| 2016 | 13 | 16 |
| 2017 | 14 | 14 |
| 2018 | 13 | 21 |
| 2019 | 18 | 14 |
| 2020 | 23 | 16 |
| 2021 | 8 | 13 |
| 2022 | 7 | 20 |
| 2023 | 11 | 14 |
| 2024 | 12 | 10 |
| 2025 | 7 | 8 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Two-stage carbon dioxide adsorption using collapsed zeolite with ultra-small pores14 Jul 2026US 12,678,778 B2Saudi Arabian Oil Company
- Hydrocarbon adsorbent and method for adsorbing hydrocarbons23 Jun 2026US 12,661,632 B2Tosoh Corporation
- Adsorbent material for removing nitrogen oxides from indoor or cabin air2 Jun 2026US 12,643,068 B2BASF SE
- Hydrogen purification by adsorption10 Mar 2026US 12,570,528 B2Air Products and Chemicals, Inc.
- Process for the removal of H2S from natural gas at high pressures by means of a PSA process25 Nov 2025US 12,480,064 B2Petroleo Brasileiro S.A. - Petrobras
- A method of capturing carbon dioxide from atmospheric air1 Oct 2026US 2026/0295497 A1Repsol, S. A.
- Carbon dioxide capture using high silicon low aluminum co2-selective adsorbent16 Jul 2026US 2026/0199818 A1Echeneidae Inc.
- Carbon dioxide capture using high silicon low aluminum co2-selective adsorbent16 Jul 2026US 2026/0199819 A1Echeneidae Inc.
- A binder less na-lsx zeolite synthesis for higher n2 adsorption29 Jan 2026US 2026/0027507 A1Council of Scientific and Industrial Research
- System and method for propane removal in pre-purification units22 Jan 2026US 2026/0021435 A1
Most cited
By later US patents
- Portable oxygen concentrator151US 6,520,176 B1L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2003
- Multistage system for separating gas by adsorption121US 6,514,318 B2QuestAir Technologies Inc. · 2003
- Single bed pressure swing adsorption system and process113US 5,370,728 APraxair Technology, Inc. · 1994
- Fluid storage and dispensing system111US 6,089,027 AAdvanced Technology Materials, Inc. · 2000
- Medical oxygen concentrator107US 6,551,384 B1Praxair Technology, Inc. · 2003