C07C 2523/48
Silver or gold
C07C2523/48 (Silver or gold) appears on 186 US grants and 159 published applications in this corpus.
Search patents in C07C- Granted patents
- 186
- Published applications
- 159
- Assignees
- 148
- Inventors
- 598
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 2 |
| 2002 | 6 | 10 |
| 2003 | 10 | 12 |
| 2004 | 6 | 5 |
| 2005 | 1 | 6 |
| 2006 | 2 | 3 |
| 2007 | 6 | 2 |
| 2008 | 1 | 3 |
| 2009 | 2 | 4 |
| 2010 | 0 | 5 |
| 2011 | 3 | 2 |
| 2012 | 2 | 17 |
| 2013 | 2 | 9 |
| 2014 | 11 | 7 |
| 2015 | 7 | 8 |
| 2016 | 4 | 6 |
| 2017 | 3 | 4 |
| 2018 | 4 | 7 |
| 2019 | 9 | 7 |
| 2020 | 6 | 13 |
| 2021 | 7 | 7 |
| 2022 | 5 | 2 |
| 2023 | 7 | 7 |
| 2024 | 2 | 3 |
| 2025 | 3 | 4 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Processes for dehydrogenating alkanes and alkyl aromatic hydrocarbons23 Jun 2026US 12,662,436 B2ExxonMobil Chemical Patents Inc.
- Generation of a population of hindbrain cells and hindbrain-like organoids from pluripotent stem cells17 Mar 2026US 12,577,530 B2The J. David Gladstone Institutes, a testamentary trust established under the Will of J. David Gladstone
- Method for producing olefin and olefination reaction catalyst9 Sep 2025US 12,410,109 B2Daicel Corporation
- Method for preparing carbonyl sulfone8 Jul 2025US 12,351,548 B2Soochow University
- Catalyst supports—composition and process of manufacture18 Mar 2025US 12,251,686 B2
- Metal oxide supported atomic quantum clusters (aqcs) catalysts as oxygen carriers for chemical looping processes10 Sep 2026US 2026/0264063 A1Lancaster University
- Tantalum catalyst composition and method of using the same30 Apr 2026US 2026/0115700 A1Battelle Memorial Institute
- Methods of using hydrogen to extend catalyst life for ethanol to butadiene conversions16 Apr 2026US 2026/0103434 A1Battelle Memorial Institute
- 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
Most cited
By later US patents
- Process for upgrading light hydrocarbons using oxidative coupling and pyrolysis81US 5,012,028 AThe Standard Oil Company · 1991
- Ion transport membranes with catalyzed mixed conducting porous layer73US 5,534,471 AAir Products and Chemicals, Inc. · 1996
- Catalysts for the conversion of relatively low molecular weight hydrocarbons to higher molecular weight hydrocarbons and the regeneration of the catalysts72US 4,239,658 AExxon Research & Engineering Co. · 1980
- Process for selective hydrogenation of acetylene in an ethylene purification process71US 6,509,292 B1Sud-Chemie AG · 2003
- Selective hydrogenation catalyst63US 4,404,124 APhillips Petroleum Company · 1983