C01B 39/30
Erionite or offretite type
Official title: Erionite or offretite type, e.g. zeolite T
C01B39/30 (Erionite or offretite type) appears on 40 US grants and 26 published applications in this corpus.
Search patents in C01B- Granted patents
- 40
- Published applications
- 26
- Assignees
- 22
- Inventors
- 85
- Latest grant
- 28 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 1 |
| 2016 | 2 | 6 |
| 2017 | 8 | 6 |
| 2018 | 0 | 3 |
| 2019 | 3 | 1 |
| 2020 | 2 | 4 |
| 2021 | 5 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- MSECT-4 molecular sieves with off and ERI topologies, preparation method therefor, and applications thereof28 May 2024US 11,992,827 B2Catarc Automotive Test Center (Tianjin) Co., Ltd
- Accelerated aluminosilicate zeolite crystallization4 Jan 2022US 11,214,493 B2BASF SE
- Process for the synthesis, with multiple seeding, of zeolite crystals having a controlled particle size21 Sep 2021US 11,124,421 B2Arkema France
- Dehydration method and dehydration apparatus31 Aug 2021US 11,103,834 B2NGK Insulators, Ltd.
- Process for continuously synthesizing zeolite crystals22 Jun 2021US 11,040,884 B2Arkema France
- 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
- Process for the synthesis, with multiple seeding, of zeolite crystals having a controlled particle size13 May 2021US 2021/0139337 A1Arkema France
- Dehydration method and dehydration apparatus2 Apr 2020US 2020/0101426 A1NGK Insulators, Ltd.
- Aluminophosphate-based zeolite membrane synthesis method9 Jan 2020US 2020/0009509 A1NGK Insulators, Ltd.
- Process for continuously synthesizing zeolite crystals9 Jan 2020US 2020/0010330 A1Arkema France
Most cited
By later US patents
- Crystalline zeolite ZSM-34 and method of preparing the same58US 4,086,186 AMobil Oil Corporation · 1978
- Method for producing open framework zeolites35US 3,947,482 AW. R. Grace & Co. · 1976
- Process for the synthesis of a silica enriched crystalline aluminosilicate having the offretite structure, the aluminosilicate obtained and its use as a catalyst for the conversion of hydrocarbons27US 5,534,239 ASociete Nationale Elf Aquitaine · 1996
- Heat regenerator18US 4,522,588 A1985
- Hydrocarbon conversion with crystalline zeolite ZSM-3410US 4,116,813 AMobil Oil Corporation · 1978