B01J 2531/82
Metals of the platinum group
B01J2531/82 (Metals of the platinum group) appears on 2,909 US grants and 2,195 published applications in this corpus.
Search patents in B01J- Granted patents
- 2,909
- Published applications
- 2,195
- Assignees
- 1,035
- Inventors
- 5,785
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 52 | 0 |
| 1977 | 30 | 0 |
| 1978 | 34 | 0 |
| 1979 | 31 | 0 |
| 1980 | 45 | 0 |
| 1981 | 50 | 0 |
| 1982 | 51 | 0 |
| 1983 | 39 | 0 |
| 1984 | 49 | 0 |
| 1985 | 46 | 0 |
| 1986 | 30 | 0 |
| 1987 | 25 | 0 |
| 1988 | 19 | 0 |
| 1989 | 44 | 0 |
| 1990 | 35 | 0 |
| 1991 | 37 | 0 |
| 1992 | 52 | 0 |
| 1993 | 60 | 0 |
| 1994 | 46 | 0 |
| 1995 | 36 | 0 |
| 1996 | 39 | 0 |
| 1997 | 43 | 0 |
| 1998 | 90 | 0 |
| 1999 | 70 | 0 |
| 2000 | 71 | 0 |
| 2001 | 93 | 17 |
| 2002 | 70 | 57 |
| 2003 | 85 | 87 |
| 2004 | 70 | 91 |
| 2005 | 50 | 83 |
| 2006 | 52 | 68 |
| 2007 | 53 | 56 |
| 2008 | 30 | 60 |
| 2009 | 45 | 76 |
| 2010 | 51 | 86 |
| 2011 | 42 | 70 |
| 2012 | 50 | 68 |
| 2013 | 63 | 85 |
| 2014 | 72 | 88 |
| 2015 | 81 | 121 |
| 2016 | 98 | 136 |
| 2017 | 123 | 102 |
| 2018 | 83 | 90 |
| 2019 | 88 | 110 |
| 2020 | 91 | 103 |
| 2021 | 87 | 125 |
| 2022 | 77 | 105 |
| 2023 | 70 | 95 |
| 2024 | 71 | 93 |
| 2025 | 53 | 81 |
| 2026 | 37 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Immobolized organometallic catalyst and application of same6 Oct 2026US 12,752,265 B2Saudi Arabian Oil Company
- Catalytic method for the preparation of perfluoroalkoxy-substituted arenes and heteroarenes6 Oct 2026US 12,753,139 B2Freie UniversitäT Berlin
- Preparation of organosilicon compounds with carbinol functionality6 Oct 2026US 12,753,193 B2Dow Global Technologies LLC
- Internal diene compounds and their Pt complexes for catalyzed reactions including hydrosilylation29 Sep 2026US 12,746,537 B2
- Acousticmicrofluidic driven one-step template-free engineering of porous multidimensional multimetallic nanoarchitectures with tunable size, shape, and composition22 Sep 2026US 12,741,277 B2Qatar University
- Process for improving rhodium/phosphite-based homogenous hydroformylation catalyst activity8 Oct 2026US 2026/0308098 A1Dow Technology Investments LLC
- Design and synthesis of electron-rich phosphine ligands for selective, sustainable cross-coupling reactions1 Oct 2026US 2026/0295571 A1The Curators of the University of Missouri
- Encapsulated catalyst, method of preparation, composition and methods involving hydrosilylation17 Sep 2026US 2026/0273516 A1Dow Silicones Corporation
- Novel ruthenium complexes, method of their synthesis, intermediate compounds used in this method, method of their synthesis and the use of novel ruthenium complexes in olefin metathesis reactions3 Sep 2026US 2026/0258066 A1
- Biocatalytic synthesis of (1s,3s)-3-hydroxycyclohexane-1-carboxylic acid compounds3 Sep 2026US 2026/0258454 A1Bristol-Myers Squibb Company
Most cited
By later US patents
- Polymerization of .alpha.-olefins with transition metal catalysts based on bidentate ligands containing pyridine or quinoline moiety209US 5,637,660 ALyondell Petrochemical Company · 1997
- Platinum complexes and use thereof172US 5,175,325 ADow Corning Corporation · 1992
- High metathesis activity ruthenium and osmium metal carbene complexes146US 5,831,108 ACalifornia Institute of Technology · 1998
- Carbonylation catalysts143US 4,792,620 ABP Chemicals Limited · 1988
- Transition metal complex catalyzed processes126US 4,769,498 AUnion Carbide Corporation · 1988