C07C 4/18
Catalytic processes
C07C4/18 (Catalytic processes) appears on 209 US grants and 118 published applications in this corpus.
Search patents in C07C- Granted patents
- 209
- Published applications
- 118
- Assignees
- 79
- Inventors
- 397
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 5 | 0 |
| 1982 | 10 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 11 | 0 |
| 2000 | 8 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 2 |
| 2003 | 4 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 7 |
| 2011 | 4 | 3 |
| 2012 | 0 | 4 |
| 2013 | 3 | 7 |
| 2014 | 6 | 6 |
| 2015 | 7 | 10 |
| 2016 | 5 | 9 |
| 2017 | 5 | 4 |
| 2018 | 8 | 13 |
| 2019 | 9 | 15 |
| 2020 | 7 | 7 |
| 2021 | 14 | 10 |
| 2022 | 10 | 6 |
| 2023 | 2 | 5 |
| 2024 | 4 | 4 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing light aromatic hydrocarbons6 Jan 2026US 12,516,255 B2China Petroleum & Chemical Corporation
- Processes for converting C8 aromatic hydrocarbons9 Sep 2025US 12,410,111 B2ExxonMobil Chemical Patents Inc.
- Systems and methods for reforming a heavy aromatic stream11 Feb 2025US 12,221,407 B2Virent, Inc.
- Methods for producing xylenes with limited ethylbenzene production24 Sep 2024US 12,098,121 B2Saudi Arabian Oil Company
- Integrated processes and systems for producing para-xylenes20 Aug 2024US 12,065,401 B1Saudi Arabian Oil Company
- Catalyst for producing c8 aromatic hydrocarbon having reduced ethylbenzene content and preparation method thereof8 May 2025US 2025/0144605 A1SK Innovation Co., Ltd.
- Method for producing light aromatic hydrocarbons14 Nov 2024US 2024/0376390 A1China Petroleum & Chemical Corporation
- Integrated processes and systems for producing para-xylenes19 Sep 2024US 2024/0309280 A1Saudi Arabian Oil Company
- Methods for producing xylenes with limited ethylbenzene production8 Aug 2024US 2024/0262766 A1Saudi Arabian Oil Company
- Systems and methods for reforming a heavy aromatic stream4 Jul 2024US 2024/0217900 A1Virent, Inc.
Most cited
By later US patents
- Synthetic porous crystalline MCM-68, its synthesis and use81US 6,049,018 AMobil Corporation · 2000
- Zeolites76US 5,108,579 AImperial Chemical Industries PLC · 1992
- Zeolites61US 5,385,718 AImperial Chemical Industries PLC · 1995
- Zeolite NU-85 catalyst61US 5,464,799 AImperial Chemical Industries PLC · 1995
- Catalytic disproportionation/transalkylation utilizing a C9+ aromatics feed57US 5,030,787 AMobil Oil Corporation · 1991