C07C 1/045
Regeneration
Official title: {Regeneration}
C07C1/045 (Regeneration) appears on 39 US grants and 22 published applications in this corpus.
Search patents in C07C- Granted patents
- 39
- Published applications
- 22
- Assignees
- 27
- Inventors
- 102
- Latest grant
- 30 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 3 | 1 |
| 2004 | 3 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 2 | 3 |
| 2017 | 3 | 3 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Fischer-Tropsch synthesis catalyst containing nitride support, preparation method therefor and use thereof30 Aug 2022US 11,426,712 B2Synfuels China Technology Co., Ltd.
- Manganese-doped nickel methanization catalysts having elevated sulphur resistance1 Mar 2022US 11,261,137 B2Clariant International Ltd.
- Fuel production from alcohols24 Aug 2021US 11,097,995 B1The United States of America as represented by the Secretary of the Navy
- Catalyst for synthesizing aromatic hydrocarbons and preparation method therefor25 May 2021US 11,014,076 B2Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Fischer-tropsch synthesis29 Jan 2019US 10,190,057 B2Sasol Technology (Proprietary) Limited
- Method and device for supplying to catalyst25 Dec 2025US 2025/0387769 A1JFE Engineering Corporation
- Method for the activation or rejuvenation of a catalyst19 Jan 2023US 2023/0015935 A1Emerging Fuels Technology, Inc.
- Manganese-doped nickel methanization catalysts having elevated sulphur resistance18 Feb 2021US 2021/0047246 A1Clariant International Ltd.
- Fischer-tropsch synthesis catalyst containing nitride support, preparation method therefor and use thereof9 Jan 2020US 2020/0009540 A1Synfuels China Technology Co., Ltd.
- Catalyst for synthesizing aromatic hydrocarbons and preparation method therefor29 Aug 2019US 2019/0262811 A1Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Most cited
By later US patents
- Rejuvenation of hydrocarbon synthesis catalyst47US 5,283,216 AExxon Research & Engineering Co. · 1994
- Draft tube for catalyst rejuvenation and distribution44US 5,268,344 AExxon Research & Engineering Co. · 1993
- Regeneration of Fischer-Tropsch catalysts by using synthesis gas at a low flow rate44US 6,022,755 ADen Norske Stats Oljeselskap A.S. · 2000
- Hydrocarbon synthesis using reactor tail gas for catalyst rejuvenation31US 5,844,005 AExxon Research & Engineering Co. · 1998
- Hydrocarbon synthesis catalyst slurry rejuvenation with gas disengagement (LAW 783)23US 5,973,012 AExxon Research & Engineering Co. · 1999