B01J 2531/80
Complexes comprising metals of group viii as the central metal
Official title: Complexes comprising metals of Group VIII as the central metal
B01J2531/80 (Complexes comprising metals of group viii as the central metal) appears on 4,128 US grants and 3,200 published applications in this corpus.
Search patents in B01J- Granted patents
- 4,128
- Published applications
- 3,200
- Assignees
- 1,420
- Inventors
- 8,393
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 80 | 0 |
| 1977 | 43 | 0 |
| 1978 | 61 | 0 |
| 1979 | 54 | 0 |
| 1980 | 65 | 0 |
| 1981 | 89 | 0 |
| 1982 | 80 | 0 |
| 1983 | 62 | 0 |
| 1984 | 58 | 0 |
| 1985 | 58 | 0 |
| 1986 | 40 | 0 |
| 1987 | 36 | 0 |
| 1988 | 23 | 0 |
| 1989 | 56 | 0 |
| 1990 | 54 | 0 |
| 1991 | 49 | 0 |
| 1992 | 70 | 0 |
| 1993 | 81 | 0 |
| 1994 | 63 | 0 |
| 1995 | 54 | 0 |
| 1996 | 63 | 0 |
| 1997 | 62 | 0 |
| 1998 | 107 | 0 |
| 1999 | 84 | 0 |
| 2000 | 92 | 0 |
| 2001 | 104 | 25 |
| 2002 | 92 | 78 |
| 2003 | 110 | 115 |
| 2004 | 90 | 122 |
| 2005 | 71 | 118 |
| 2006 | 78 | 97 |
| 2007 | 75 | 85 |
| 2008 | 50 | 90 |
| 2009 | 59 | 115 |
| 2010 | 81 | 128 |
| 2011 | 66 | 110 |
| 2012 | 75 | 99 |
| 2013 | 82 | 131 |
| 2014 | 103 | 133 |
| 2015 | 120 | 173 |
| 2016 | 154 | 175 |
| 2017 | 158 | 143 |
| 2018 | 123 | 137 |
| 2019 | 135 | 182 |
| 2020 | 137 | 155 |
| 2021 | 126 | 165 |
| 2022 | 103 | 160 |
| 2023 | 101 | 133 |
| 2024 | 111 | 144 |
| 2025 | 86 | 124 |
| 2026 | 54 | 63 |
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
- Selective semi-hydrogenation of allene24 Sep 2026US 2026/0284649 A1Firmenich SA
- Encapsulated catalyst, method of preparation, composition and methods involving hydrosilylation17 Sep 2026US 2026/0273516 A1Dow Silicones Corporation
- Mesoporous nickel powder and preparation method therefor, nickel-phosphorus catalyst system and adiponitrile preparation method3 Sep 2026US 2026/0257212 A1Shandong Nhu Fine Chemical Science and Technology Company Ltd.
Most cited
By later US patents
- Texaphyrin-oligonucleotide conjugates308US 5,587,371 ABoard of Trustees, Univ. of TX Sys. · 1996
- Highly active double metal cyanide catalysts250US 5,482,908 AARCO Chemical Technology, L. P. · 1996
- Polymerization of .alpha.-olefins with transition metal catalysts based on bidentate ligands containing pyridine or quinoline moiety209US 5,637,660 ALyondell Petrochemical Company · 1997
- Aminoalcohol lipidoids and uses thereof207US 8,450,298 B2Massachusetts Institute of Technology · 2013
- Platinum complexes and use thereof172US 5,175,325 ADow Corning Corporation · 1992