C01B 17/502
Of sulfur trioxide
Official title: {of sulfur trioxide}
C01B17/502 (Of sulfur trioxide) appears on 10 US grants and 6 published applications in this corpus.
Search patents in C01B- Granted patents
- 10
- Published applications
- 6
- Assignees
- 9
- Inventors
- 25
- Latest grant
- 19 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for conversion of sulfur trioxide and hydrogen production19 Jul 2022US 11,390,522 B2Indian Institute of Technology Delhi
- Supported, bimetallic nanoparticles for selective catalysis10 Jul 2018US 10,016,751 B2University of South Carolina
- Hydrogen production process24 Feb 2015US 8,961,922 B2Toyota Jidosha Kabushiki Kaisha
- Catalyst for decomposition of sulfur trioxide and hydrogen production process13 Jan 2015US 8,932,555 B2National University Corporation Kumamoto University
- Integrated boiler, superheater, and decomposer for sulfuric acid decomposition12 Jan 2010US 7,645,437 B1Sandia Corporation
- Catalyst composition for conversion of sulfur trioxide and hydrogen production process22 Jul 2021US 2021/0220806 A1Indian Institute of Technology Delhi
- Process for conversion of sulfur trioxide and hydrogen production22 Jul 2021US 2021/0221683 A1Indian Institute of Technology Delhi
- Supported, bimetallic nanoparticles for selective catalysis19 May 2016US 2016/0136632 A1University of South Carolina
- Catalyst for decomposition of sulfur trioxide and hydrogen production process27 Mar 2014US 2014/0086823 A1National University Corporation Kumamoto University
- Hydrogen production process12 Dec 2013US 2013/0330269 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Method for removing acid gases from flue gas58US 6,126,910 A2000
- Integrated boiler, superheater, and decomposer for sulfuric acid decomposition16US 7,645,437 B1Sandia Corporation · 2010
- Emission control systems and methods thereof8US 7,223,375 B1Progress Materials, Inc. · 2007
- Method of making .alpha.-hematite catalyst7US 4,392,991 AWestinghouse Electric Corp. · 1983
- Supported, bimetallic nanoparticles for selective catalysis4US 10,016,751 B2University of South Carolina · 2018