C01C 1/247
By oxidation with free oxygen
Official title: by oxidation with free oxygen
C01C1/247 (By oxidation with free oxygen) appears on 10 US grants and 6 published applications in this corpus.
Search patents in C01C- Granted patents
- 10
- Published applications
- 6
- Assignees
- 7
- Inventors
- 19
- Latest grant
- 11 Apr 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 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 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cyclic process for producing taurine from monoethanolamine11 Apr 2023US 11,623,914 B2Vitaworks IP, LLC
- Cyclic process for producing taurine from monoethanolamine22 Feb 2022US 11,254,639 B1Vitaworks IP, LLC
- Controlling aerosol production during absorption in ammonia-based desulfurization18 Jan 2022US 11,224,838 B2Jiangnan Environmental Protection Group Inc.
- Removal of hydrogen sulfide as ammonium sulfate from hydropyrolysis product vapors14 Mar 2017US 9,593,282 B2Gas Technology Institute
- Removal of hydrogen sulfide as ammonium sulfate from hydropyrolysis product vapors14 Oct 2014US 8,859,831 B2Gas Technology Institute
- Method for the combined removal of hydrogen sulfide from a raw gas mixture ammonia from a waste liquid3 Sep 2026US 2026/0257930 A1
- Cyclic Process for Producing Taurine from Monoethanolamine5 May 2022US 2022/0135519 A1Vitaworks IP, LLC
- Cyclic Process for Producing Taurine from Monoethanolamine10 Mar 2022US 2022/0073455 A1Vitaworks IP, LLC
- Controlling aerosol production during absorption in ammonia-based desulfurization1 Jul 2021US 2021/0197117 A1Jiangnan Environmental Protection Group Inc.
- Removal of hydrogen sulfide as ammonium sulfate from hydropyrolysis product vapors29 Jan 2015US 2015/0027184 A1Gas Technology Institute
Most cited
By later US patents
- Method of removing sulfur dioxide from flue gases, especially power plant flue gases and flue gases from garbage incinerator plants58US 6,063,352 ALurgi Lentjes Bischoff GmbH · 2000
- Apparatus for removing SO.sub.2 from flue gases and for producing ammonium sulfate solution47US 6,139,807 ALurgi Lentjes Bischoff GmbH · 2000
- Process for the simultaneous absorption of sulfur oxides and production of ammonium sulfate45US 5,362,458 AGeneral Electric Environmental Services, Inc. · 1994
- Treatment of an aqueous stream containing water-soluble inorganic sulfide compounds13US 5,207,927 AUop LLC · 1993
- Process for removing SO from a gaseous mixture (OP-3409)4US 4,956,161 AExxon Research & Engineering Co. · 1990