C01B 33/2884
The aluminium or the silicon in the network being partly replaced
Official title: {the aluminium or the silicon in the network being partly replaced}
C01B33/2884 (The aluminium or the silicon in the network being partly replaced) appears on 53 US grants and 1 published applications in this corpus.
Search patents in C01B- Granted patents
- 53
- Published applications
- 1
- Assignees
- 22
- Inventors
- 66
- Latest grant
- 21 May 1996
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 9 | 0 |
| 1990 | 5 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 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 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Substitution of Sn in place of Al in the framework of molecular sieve via treatment with fluoride salts21 May 1996US 5,518,708 AUop LLC
- Fe-containing zeolite KL5 Dec 1995US 5,472,681 AExxon Chemical Patents Inc.
- Substitution of Sn in place of Al in the framework of molecular sieve via treatment with fluoride salts28 Mar 1995US 5,401,488 AUop LLC
- Zeolite L7 Mar 1995US 5,396,009 AExxon Research & Engineering Co.
- Hydrocarbon conversion process using a chromium substituted molecular sieve22 Nov 1994US 5,366,616 AUop LLC
Most cited
By later US patents
- Zeolite SSZ-25272US 4,826,667 AChevron Research Company · 1989
- Alkylation using zeolite SSZ-2579US 5,149,894 AChevron Research and Technology Company · 1992
- Zeolite ZSM-5777US 4,873,067 AMobil Oil Corporation · 1989
- Crystalline silicates and process of preparation66US 4,208,305 AShell Oil Company · 1980
- Process for preparing molecular sieves using imidazole template53US 4,483,835 AChevron Research Company · 1984