C01B 17/775
Liquid phase contacting processes or wet catalysis processes
C01B17/775 (Liquid phase contacting processes or wet catalysis processes) appears on 56 US grants and 23 published applications in this corpus.
Search patents in C01B- Granted patents
- 56
- Published applications
- 23
- Assignees
- 43
- Inventors
- 120
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 2 | 5 |
| 2021 | 2 | 2 |
| 2022 | 2 | 6 |
| 2023 | 7 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Co-production of hydrogen and sulfuric acid by partial oxidation of sulfur7 Apr 2026US 12,595,171 B2Saudi Arabian Oil Company
- Method for production of elemental sulfur and sulfuric acid10 Feb 2026US 12,545,580 B2Haldor TopsøE A/S
- Method for production of elemental sulfur by part or fully catalytic oxidation of Claus tail gas7 Nov 2023US 11,807,527 B2Haldor TopsøE A/S
- Method for preparing electronic grade sulfuric acid from waste sulfuric acid solution1 Aug 2023US 11,713,247 B2Green Advanced Technology Ltd.
- Method for production of sulfur and sulfuric acid4 Jul 2023US 11,691,877 B2Haldor TopsøE A/S
- Process for removing sulfur containing compounds from gas containing at least one sulfur containing compound10 Sep 2026US 2026/0264009 A1Sulzer Management AG
- Methods and systems for producing sulfur-containing products11 Jun 2026US 2026/0159389 A1Applied Technology Limited Partnership
- Co-production of Hydrogen and Sulfuric Acid by Partial Oxidation of Sulfur21 Mar 2024US 2024/0092635 A1Saudi Arabian Oil Company
- Method for preparing electronic grade sulfuric acid from waste sulfuric acid solution24 Nov 2022US 2022/0371890 A1Green Advanced Technology Ltd.
- Method for production of elemental sulfur by part or fully catalytic oxidation of claus tail gas28 Jul 2022US 2022/0234891 A1Haldor TopsøE A/S
Most cited
By later US patents
- Removal of sulfur dioxide (SO.sub.2) from waste gases and recovery as sulfuric acid32US 4,830,718 A1989
- Method for the production of activated carbon spheres containing nitrogen22US 3,953,345 AKureha Kagaku Kogyo Kabushiki Kaisha · 1976
- Process for producing sulfuric acid17US 4,029,751 AMetallgesellschaft Aktiengesellschaft · 1977
- Process of producing concentrated sulfuric acid14US 4,368,183 AMetallgesellschaft Aktiengesellschaft · 1983
- Desulphurization of waste gases13US 5,674,464 AEuropean Economic Community · 1997