C01B 17/165
Preparation from sulfides, oxysulfides or polysulfides
Official title: {Preparation from sulfides, oxysulfides or polysulfides}
C01B17/165 (Preparation from sulfides, oxysulfides or polysulfides) appears on 40 US grants and 27 published applications in this corpus.
Search patents in C01B- Granted patents
- 40
- Published applications
- 27
- Assignees
- 42
- Inventors
- 105
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 3 | 2 |
| 2019 | 0 | 2 |
| 2020 | 0 | 1 |
| 2021 | 3 | 4 |
| 2022 | 1 | 0 |
| 2023 | 0 | 3 |
| 2024 | 2 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Catalyst medium comprising hollow microspheres22 Sep 2026US 12,741,267 B2Axens
- Production of H2S for efficient metal removal from effluents21 May 2024US 11,987,510 B21983 LLC
- Method for producing package including hydrogen sulfide sustained release agent, hydrogen sulfide sustained release agent, hydrogen sulfide sustained release composite, and method for generating hydrogen sulfide using same19 Mar 2024US 11,932,479 B2National Institute for Materials Science
- Method and system for desulfurization and dezincification of tailings17 May 2022US 11,332,806 B2
- Catalytic conversion of DSO in presence of water27 Jul 2021US 11,072,529 B2Total SA
- Sulfur detector and fuel processing system including the same10 Sep 2026US 2026/0266786 A1Bloom Energy Corporation
- Hydrogen Sulfide Delivery Device4 Jun 2026US 2026/0151605 A1Exhalix LLC
- Production of H2S For Efficient Metal Removal From Effluents19 Sep 2024US 2024/0308889 A11983 LLC
- Reduction of chalcopyrite by an aqueous phase reducant to enable hydrometallurgical extraction of copper22 Feb 2024US 2024/0060199 A1The Trustees of Columbia University in the City of New York
- Catalyst for carbonyl sulfide removal from hydrocarbons28 Dec 2023US 2023/0416088 A1Merichem Company
Most cited
By later US patents
- Bulk gas sorption and apparatus, gas containment/treatment system comprising same, and sorbent composition therefor81US 5,151,395 ANovapure Corporation · 1992
- Powders providing controlled sustained release of a gas64US 5,965,264 ABernard Technologies, Inc. · 1999
- Ammonium polysulfide removal of HCN from gaseous streams, with subsequent production of NH.sub.3, H.sub.2 S, and CO.sub.251US 4,505,881 AShell Oil Company · 1985
- Energy-activated compositions for controlled sustained release of a gas46US 7,273,567 B1Microactive Corp. · 2007
- Process and apparatus for degassing sulfur24US 4,729,887 AAmoco Corporation · 1988