B01J 29/50
Of the erionite or offretite type
Official title: of the erionite or offretite type, e.g. zeolite T, as exemplified by patent document US2950952
B01J29/50 (Of the erionite or offretite type) appears on 159 US grants and 143 published applications in this corpus.
Search patents in B01J- Granted patents
- 159
- Published applications
- 143
- Assignees
- 53
- Inventors
- 323
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 2 |
| 2003 | 0 | 1 |
| 2004 | 2 | 2 |
| 2005 | 3 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 2 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 6 |
| 2011 | 4 | 6 |
| 2012 | 5 | 13 |
| 2013 | 8 | 10 |
| 2014 | 6 | 10 |
| 2015 | 4 | 12 |
| 2016 | 7 | 15 |
| 2017 | 11 | 10 |
| 2018 | 5 | 13 |
| 2019 | 14 | 13 |
| 2020 | 5 | 9 |
| 2021 | 9 | 7 |
| 2022 | 7 | 2 |
| 2023 | 4 | 6 |
| 2024 | 4 | 2 |
| 2025 | 5 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 29/52Containing iron group metals, noble metals or copper61
- B01J 29/505Containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium26
- B01J 29/58Containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese14
Recent patents
- Preparation of SCR catalyst comprising Cu and Fe-exchanged zeolite, said catalyst, system comprising said catalyst and exhaust gas treatment using such9 Dec 2025US 12,491,502 B2BASF SE
- Composition for SCR catalysts4 Nov 2025US 12,458,958 B2BASF Mobile Emissions Catalysts LLC
- Processes for preparing C2 to C3 hydrocarbons in the presence of a hybrid catalyst28 Oct 2025US 12,454,496 B2Dow Global Technologies LLC
- Preparation of SCR catalyst comprising Cu and Fe-exchanged zeolite, said catalyst, system comprising said catalyst and exhaust gas treatment using such29 Jul 2025US 12,372,020 B2BASF SE
- Platinum and zinc-containing zeolite15 Jul 2025US 12,357,977 B2Umicore AG & Co. KG
- Waste stream conversion to olefin monomer5 Feb 2026US 2026/0035319 A1Basell Poliolefine Italia S.r.l.
- Preparation of scr catalyst comprising cu and fe-exchanged zeolite, said catalyst, system comprising said catalyst and exhaust gas treatment using such29 Feb 2024US 2024/0068387 A1BASF SE
- Preparation of scr catalyst comprising cu and fe-exchanged zeolite, said catalyst, system comprising said catalyst and exhaust gas treatment using such1 Feb 2024US 2024/0033717 A1BASF SE
- Msect-4 molecular sieves with off and eri topologies, preparation method therefor, and applications thereof19 Oct 2023US 2023/0330649 A1Catarc Automotive Test Center (Tianjin) Co., Ltd
- Processes for preparing c2 to c3 hydrocarbons17 Aug 2023US 2023/0256424 A1Dow Global Technologies LLC
Most cited
By later US patents
- Process for producing dimethylamine in preference to mono- and trimethylamines by gas phase catalytic reaction of ammonia with methanol63US 4,582,936 ANitto Kagaku Kogyo Kabushiki Kaisha · 1986
- Crystalline zeolite ZSM-34 and method of preparing the same58US 4,086,186 AMobil Oil Corporation · 1978
- Method for converting alcohols to hydrocarbons58US 4,423,274 AMobil Oil Corporation · 1983
- Methylation of toluene to para-xylene56US 5,994,603 AExxon Chemical Patents Inc. · 1999
- Crystalline molecular sieves47US 7,264,789 B1ExxonMobil Chemical Patents Inc. · 2007