B01J 29/087
X-type faujasite
Official title: {X-type faujasite}
B01J29/087 (X-type faujasite) appears on 42 US grants and 41 published applications in this corpus.
Search patents in B01J- Granted patents
- 42
- Published applications
- 41
- Assignees
- 31
- Inventors
- 91
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 8 |
| 2012 | 1 | 3 |
| 2013 | 0 | 4 |
| 2014 | 2 | 1 |
| 2015 | 2 | 3 |
| 2016 | 2 | 0 |
| 2017 | 2 | 2 |
| 2018 | 2 | 2 |
| 2019 | 3 | 3 |
| 2020 | 2 | 4 |
| 2021 | 1 | 1 |
| 2022 | 5 | 3 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solid-acid catalyzed paraffin alkylation with rare earth-modified molecular sieve adsorbents19 May 2026US 12,630,489 B2Exelus, Inc.
- Process and catalyst to convert methanol and toluene to styrene14 Jan 2025US 12,194,444 B2Exelus, Inc.
- Catalyzed alkylation, alkylation catalysts, and methods of making alkylation catalysts6 Feb 2024US 11,891,347 B2Exelus, Inc.
- Solid-acid catalyzed paraffin alkylation with rare earth-modified molecular sieve adsorbents26 Dec 2023US 11,851,386 B2Exelus, Inc.
- Catalyst for removal of sulphur oxides from flue gases of power plants31 Oct 2023US 11,801,498 B2M Chemical Company, Inc.
- Solid-Acid Catalyzed Paraffin Alkylation With Rare Earth-Modified Molecular Sieve Adsorbents14 Mar 2024US 2024/0083827 A1Exelus, Inc.
- Multifunctional catalyst for the conversion of carbon dioxide27 Jul 2023US 2023/0234039 A1Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Solid-Acid Catalyzed Paraffin Alkylation With Rare Earth-Modified Molecular Sieve Adsorbents20 Apr 2023US 2023/0119464 A1Exelus, Inc.
- Catalyst for removal of sulphur oxides from flue gases of power plants8 Dec 2022US 2022/0387979 A1M Chemical Company, Inc.
- Process and catalyst to convert methanol and toluene to styrene23 Jun 2022US 2022/0193643 A1Exelus, Inc.
Most cited
By later US patents
- Photochemical process using shape-selective photoassisted heterogenous catalyst compositions50US 4,495,041 AMobil Oil Corporation · 1985
- Conversion of polar compounds using a ZSM-5 zeolite catalyst47US 4,011,278 AMobil Oil Corporation · 1977
- Catalyst and method of preparing same46US 3,930,987 AMobil Oil Corporation · 1976
- Production of a high octane alkylate from ethylene and isobutene33US 9,079,815 B2Exelus, Inc. · 2015
- Hydrothermally stable metal promoted zeolite beta for NOx reduction31US 6,689,709 B1Engelhard Corporation · 2004