C07C 2523/40
Of the platinum group metals
Official title: of the platinum group metals
C07C2523/40 (Of the platinum group metals) appears on 1,573 US grants and 1,102 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,573
- Published applications
- 1,102
- Assignees
- 592
- Inventors
- 3,392
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 48 | 0 |
| 1977 | 52 | 0 |
| 1978 | 39 | 0 |
| 1979 | 35 | 0 |
| 1980 | 38 | 0 |
| 1981 | 26 | 0 |
| 1982 | 26 | 0 |
| 1983 | 17 | 0 |
| 1984 | 22 | 0 |
| 1985 | 24 | 0 |
| 1986 | 23 | 0 |
| 1987 | 25 | 0 |
| 1988 | 26 | 0 |
| 1989 | 20 | 0 |
| 1990 | 18 | 0 |
| 1991 | 17 | 0 |
| 1992 | 18 | 0 |
| 1993 | 8 | 0 |
| 1994 | 15 | 0 |
| 1995 | 29 | 0 |
| 1996 | 23 | 0 |
| 1997 | 21 | 0 |
| 1998 | 33 | 0 |
| 1999 | 34 | 0 |
| 2000 | 44 | 0 |
| 2001 | 49 | 12 |
| 2002 | 40 | 31 |
| 2003 | 36 | 38 |
| 2004 | 25 | 51 |
| 2005 | 13 | 32 |
| 2006 | 23 | 19 |
| 2007 | 23 | 26 |
| 2008 | 21 | 30 |
| 2009 | 17 | 21 |
| 2010 | 23 | 35 |
| 2011 | 14 | 39 |
| 2012 | 24 | 46 |
| 2013 | 25 | 36 |
| 2014 | 34 | 58 |
| 2015 | 50 | 62 |
| 2016 | 45 | 55 |
| 2017 | 56 | 41 |
| 2018 | 31 | 45 |
| 2019 | 56 | 60 |
| 2020 | 52 | 65 |
| 2021 | 51 | 60 |
| 2022 | 51 | 42 |
| 2023 | 40 | 54 |
| 2024 | 40 | 54 |
| 2025 | 32 | 44 |
| 2026 | 21 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Catalyst compositions and processes for making and using same6 Oct 2026US 12,752,258 B2ExxonMobil Chemical Patents Inc.
- Catalytic hydrogenation of fluoroolefins, alpha-alumina supported palladium compositions and their use as hydrogenation catalysts6 Oct 2026US 12,753,136 B2The Chemours Company Fc, LLC
- Production of monoaromatic hydrocarbons from hydrocarbon feedstocks15 Sep 2026US 12,735,646 B2King Fahd University of Petroleum and Minerals
- Catalyst for hydrogenation reaction and manufacturing method therefor14 Jul 2026US 12,678,774 B2Korea Advanced Institute of Science and Technology
- Processes for dehydrogenating alkanes and alkyl aromatic hydrocarbons23 Jun 2026US 12,662,436 B2ExxonMobil Chemical Patents Inc.
- Photocatalytic c-c coupling reactions of terminal alkynes using cupric oxide-based mie resonator photocatalysts8 Oct 2026US 2026/0307053 A1
- Undirected, Z-selective C-H Functionalization of Unactivated Alkenes8 Oct 2026US 2026/0308084 A1Wisconsin Alumni Research Foundation
- Methods for producing 1,1-difluoropropene (hfo-1252zc) from 1-chloro-3,3,3-trifluoropropene (hcfo-1233zd)1 Oct 2026US 2026/0296995 A1
- Catalysts suitable for making light olefins by dehydrogenation that include chromium24 Sep 2026US 2026/0284641 A1Dow Global Technologies LLC
- Sulphur tolerant noble metal catalyst for aromatic hydrogenation and producing dearomatized solvent24 Sep 2026US 2026/0284644 A1Hindustan Petroleum Corporation Limited
Most cited
By later US patents
- Conversion of synthesis gas to diesel fuel and gasoline292US 4,605,680 AChevron Research Company · 1986
- Detergent compositions containing selected mid-chain branched surfactants167US 6,326,348 B1The Procter & Gamble Company · 2001
- Low-temperature hydrocarbon production from oxygenated hydrocarbons123US 6,953,873 B2Wisconsin Alumni Research Foundation · 2005
- Process of producing liquid hydrocarbon fuels from biomass118US 4,678,860 AArizona Board of Regents · 1987
- Oxidative coupling of methane with carbon conservation102US 6,096,934 AUop LLC · 2000