C07C 2/52
Catalytic processes
C07C2/52 (Catalytic processes) appears on 61 US grants and 29 published applications in this corpus.
Search patents in C07C- Granted patents
- 61
- Published applications
- 29
- Assignees
- 38
- Inventors
- 114
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 3 |
| 2015 | 3 | 2 |
| 2016 | 3 | 1 |
| 2017 | 3 | 6 |
| 2018 | 9 | 1 |
| 2019 | 2 | 3 |
| 2020 | 1 | 1 |
| 2021 | 3 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 3 |
| 2025 | 1 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Processes for synthesizing paraxylene and catalyst for same9 Jun 2026US 12,649,703 B2Uop LLC
- Method for preparing p-xylene by biomass conversion21 Apr 2026US 12,606,502 B2China Petroleum & Chemical Corporation
- Molecular sieves mediated unsaturated hydrocarbon separation and related compositions, materials, methods and systems14 Jan 2025US 12,195,426 B2California Institute of Technology
- Tricyclodecane dimethanol composition and preparation method of the same30 Jan 2024US 11,884,622 B2SK Chemicals Co., Ltd.
- Hydrocarbon production method and production apparatus28 Jun 2022US 11,370,728 B2Zeon Corporation
- Molecular sieves mediated unsaturated hydrocarbon separation and related compositions, materials, methods and systems27 Mar 2025US 2025/0100957 A1California Institute of Technology
- Diels-Alder coupling for cycloalkane production for sustainable aviation fuel3 Oct 2024US 2024/0327315 A1Alliance for Sustainable Energy, LLC
- Method for Preparing P-Xylene by Biomass Conversion1 Aug 2024US 2024/0254064 A1China Petroleum & Chemical Corporation
- Processes for synthesizing paraxylene and catalyst for same27 Jun 2024US 2024/0208883 A1Uop LLC
- Molecular sieves mediated unsaturated hydrocarbon separation and related compositions, materials, methods and systems20 Jul 2023US 2023/0227385 A1California Institute of Technology
Most cited
By later US patents
- Diolefin dimerization catalyst and method for producing nitrosyl halides of iron triad metals45US 4,234,454 APhillips Petroleum Company · 1980
- Catalytic dimerization of conjugated dienes27US 3,957,894 AMitsui Petrochemical Industries, Ltd. · 1976
- Process for producing alkylidenenorbornenes14US 4,891,460 ASan-Petrochemicals Co., Ltd. · 1990
- Catalyst for the dimerization of diolefins using the reductive properties of metal carbonyls12US 3,954,665 AInstitut Francais du Petroles des Carburants et Lubrifiants · 1976
- Diolefin dimerization using nitrosyl halides of iron triad metals10US 4,144,278 APhillips Petroleum Company · 1979