C07C 2523/52
Gold
C07C2523/52 (Gold) appears on 85 US grants and 70 published applications in this corpus.
Search patents in C07C- Granted patents
- 85
- Published applications
- 70
- Assignees
- 82
- Inventors
- 312
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 4 |
| 2003 | 5 | 6 |
| 2004 | 3 | 1 |
| 2005 | 1 | 4 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 3 | 1 |
| 2012 | 1 | 11 |
| 2013 | 1 | 4 |
| 2014 | 5 | 3 |
| 2015 | 3 | 1 |
| 2016 | 3 | 2 |
| 2017 | 0 | 3 |
| 2018 | 2 | 4 |
| 2019 | 6 | 3 |
| 2020 | 4 | 3 |
| 2021 | 6 | 4 |
| 2022 | 1 | 0 |
| 2023 | 2 | 4 |
| 2024 | 0 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Processes for dehydrogenating alkanes and alkyl aromatic hydrocarbons23 Jun 2026US 12,662,436 B2ExxonMobil Chemical Patents Inc.
- Method for producing olefin and olefination reaction catalyst9 Sep 2025US 12,410,109 B2Daicel Corporation
- Process to conduct an endothermic dehydrogenation and/or aromatisation reaction in a fluidized bed reactor12 Dec 2023US 11,840,509 B2Totalenergies Onetech
- Method for oxidation of cycloalkanes7 Feb 2023US 11,572,330 B2BASF SE
- Method for removing dienes from a material stream containing C3 to C5 hydrocarbons by selective hydrogenation12 Jul 2022US 11,384,037 B2BASF SE
- Photocatalytic co2 reduction with binary catalyst-decorated nanostructures26 Feb 2026US 2026/0054255 A1The Regents of the University of Michigan
- Purification of an ethylenically unsaturated alcohol stream, preparation of an ethylenically unsaturated aldehyde, in particular prenal, and compounds derived therefrom6 Nov 2025US 2025/0340502 A1BASF SE
- Optimized process for manufacturing methyl methacrylate2 Jan 2025US 2025/0002445 A1
- Processes for Dehydrogenating Alkanes and Alkyl Aromatic Hydrocarbons5 Sep 2024US 2024/0294446 A1ExxonMobil Chemical Patents Inc.
- Gas-phase oxidative coupling of alcohols and amines using heterogeneous catalysts16 May 2024US 2024/0158337 A1The Board of Trustees of The University of Alabama
Most cited
By later US patents
- Ion transport membranes with catalyzed mixed conducting porous layer73US 5,534,471 AAir Products and Chemicals, Inc. · 1996
- Process for selective hydrogenation of acetylene in an ethylene purification process71US 6,509,292 B1Sud-Chemie AG · 2003
- Oxidative dehydrogenation process50US 5,639,929 ARegents of the University of Minnesota · 1997
- Double bond hydroisomerization of butenes40US 7,888,541 B2Catalytic Distillation Technologies · 2011
- Processes for converting chlorinated byproducts and waste products to useful materials37US 5,453,557 AThe Dow Chemical Company · 1995