C01B 17/0205
Separation of sulfur from liquids
Official title: {Separation of sulfur from liquids, e.g. by coalescence}
C01B17/0205 (Separation of sulfur from liquids) appears on 23 US grants and 11 published applications in this corpus.
Search patents in C01B- Granted patents
- 23
- Published applications
- 11
- Assignees
- 19
- Inventors
- 53
- Latest grant
- 24 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Process to prepare elemental sulphur24 May 2022US 11,339,411 B2Paqell B.V.
- Method and system of elemental sulfur recycling and catalyst regenerating for sulfur-deposited catalyst30 Mar 2021US 10,960,391 B2Kunming University of Science and Technology
- Three phase sulfur separation method with interface control3 Dec 2013US 8,597,375 B2Merichem Company
- Three phase sulfur separation system with interface control5 Feb 2013US 8,367,009 B2Mirichem Company
- Process for removing sulfur particles from an aqueous catalyst solution and for removing hydrogen sulfide and recovering sulfur from a gas stream2 Sep 2008US 7,419,652 B2Research Institute of Petroleum Industry (RIPI)
- Processes to Clean Tail Gas from Carbon Black Production and System and Facility for Same4 Dec 2025US 2025/0367600 A1Cabot Corporation
- Method and apparatus for synthesizing two-dimensional materials19 Jun 2025US 2025/0201799 A1
- Process to continuously treat a hydrogen sulphide comprising gas27 Jun 2024US 2024/0207785 A1
- Method and system of elemental sulfur recycling and catalyst regenerating for sulfur-deposited catalyst28 May 2020US 2020/0164355 A1Kunming University of Science and Technology
- A process to prepare elemental sulphur26 Mar 2020US 2020/0095610 A1Paqell B.V.
Most cited
By later US patents
- Methods of using modified natural products as dewatering aids for fine particles28US 6,375,853 B12002
- Method of separation of sulfur from a scrubbing liquid12US 4,304,570 AGottfried Bischoff Bau Kompl. Gasreinigungs- und Wasserruckkuhlanlagen Gmbh & Co. KG. · 1981
- Method for desulfurizing a gas11US 5,389,351 A1995
- Process and device for separating a sulfur-lye suspension10US 4,939,817 ALinde Aktiengesellschaft · 1990
- Method and apparatus for melting and recovering sulfur in aqueous slurries6US 4,730,369 AARI Technologies, Inc. · 1988