C01C 1/245
Preparation from compounds containing nitrogen and sulfur
C01C1/245 (Preparation from compounds containing nitrogen and sulfur) appears on 24 US grants and 17 published applications in this corpus.
Search patents in C01C- Granted patents
- 24
- Published applications
- 17
- Assignees
- 16
- Inventors
- 59
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 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 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 2 | 4 |
| 2023 | 2 | 2 |
| 2024 | 0 | 1 |
| 2025 | 3 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for controlling hydrogen sulfide and ammonia flow rates2 Dec 2025US 12,485,384 B2Uop LLC
- Sulfamyl fluoride compositions and processes for making sulfamyl fluoride compositions23 Sep 2025US 12,421,114 B2Honeywell International Inc.
- Method for integrated processing of titanium-containing feedstock to obtain high value-added products based on titanium, iron, calcium and nitrogen12 Aug 2025US 12,384,691 B2RD Titan Group, TOV
- Integrated processes for treatment of an ammonium fluorosulfate byproduct of the production of bis (fluorosulfonyl) imide3 Oct 2023US 11,772,967 B2Honeywell International Inc.
- Cyclic process for producing taurine from monoethanolamine11 Apr 2023US 11,623,914 B2Vitaworks IP, LLC
- Method for the combined removal of hydrogen sulfide from a raw gas mixture ammonia from a waste liquid3 Sep 2026US 2026/0257930 A1
- Lead-recovery process30 Apr 2026US 2026/0117341 A1
- Process for controlling hydrogen sulfide and ammonia flow rates1 Jan 2026US 2026/0001033 A1Uop LLC
- Sulfamyl fluoride compositions and processes for making sulfamyl fluoride compositions11 Dec 2025US 2025/0376375 A1Honeywell International Inc.
- Methods for the production of ammonium salts from sour water stripper gas12 Dec 2024US 2024/0409424 A1Tessenderlo Group NV
Most cited
By later US patents
- Process for the simultaneous absorption of sulfur oxides and production of ammonium sulfate62US 4,690,807 AGeneral Electric Environmental Services, Inc. · 1987
- 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
- Method of removing nitrogen oxides from a gas and for converting same to ammonium sulfate21US 3,991,161 AKureha Kagaku Kogyo Kabushiki Kaisha · 1976