C01B 32/77
Carbon oxysulfide
C01B32/77 (Carbon oxysulfide) appears on 16 US grants and 3 published applications in this corpus.
Search patents in C01B- Granted patents
- 16
- Published applications
- 3
- Assignees
- 14
- Inventors
- 27
- Latest grant
- 21 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 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 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for the preparation of methyl mercaptan21 Mar 2023US 11,608,315 B2Arkema France
- Methods and apparatus for sulfur recovery from acid gases21 May 2013US 8,444,943 B2Black & Veatch Corporation
- Method for catalyzing oxidation/reduction reactions of simple molecules21 Jan 1992US 5,082,642 ADuke University
- Working up sodium sulfate-containing residues20 Nov 1990US 4,971,781 ABASF SE
- Process for removing undesirable components from gases25 Oct 1988US 4,780,115 ALinde Aktiengesellschaft
Most cited
By later US patents
- Methods and apparatus for sulfur recovery from acid gases41US 8,444,943 B2Black & Veatch Corporation · 2013
- Process for removing undesirable components from gases19US 4,780,115 ALinde Aktiengesellschaft · 1988
- Process for the production of carbon disulfide from sulfur dioxide removed from a flue gas15US 4,122,156 ANew England Power Company · 1978
- Method for catalyzing oxidation/reduction reactions of simple molecules15US 4,751,068 ADuke University · 1988
- Method for catalyzing oxidation/reduction reactions of simple molecules10US 5,082,642 ADuke University · 1992