C08F 4/70
Iron group metals, platinum group metals or compounds thereof
C08F4/70 (Iron group metals, platinum group metals or compounds thereof) appears on 135 US grants and 163 published applications in this corpus.
Search patents in C08F- Granted patents
- 135
- Published applications
- 163
- Assignees
- 90
- Inventors
- 436
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 3 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 6 |
| 2006 | 4 | 5 |
| 2007 | 3 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 7 | 2 |
| 2011 | 3 | 3 |
| 2012 | 2 | 5 |
| 2013 | 2 | 5 |
| 2014 | 3 | 3 |
| 2015 | 3 | 6 |
| 2016 | 5 | 8 |
| 2017 | 8 | 6 |
| 2018 | 4 | 6 |
| 2019 | 7 | 18 |
| 2020 | 9 | 14 |
| 2021 | 14 | 16 |
| 2022 | 13 | 15 |
| 2023 | 11 | 11 |
| 2024 | 12 | 12 |
| 2025 | 9 | 5 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Complex catalyst containing imine-based ligand for polymerizing cyclic olefin-based monomer and method for preparing cyclic olefin-based polymer using same1 Sep 2026US 12,723,114 B2Kyungpook National University Industry-Academic Cooperation Foundation
- Nickel catalysts with two metal cations for homopolymerization and copolymerization23 Jun 2026US 12,662,556 B2University of Houston System
- Iron bipyridine complex, preparation method of the same, and use of the same in polymerization of conjugated dienes21 Apr 2026US 12,606,583 B2Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences
- Linear low density polyethylene for film applications14 Apr 2026US 12,600,844 B2ExxonMobil Chemical Patents Inc.
- Nickel catalysts with single alkali ions for homopolymerization and copolymerization23 Dec 2025US 12,503,526 B2University of Houston System
- Linear low density polyethylene for film applications9 Jul 2026US 2026/0193454 A1ExxonMobil Chemical Patents Inc.
- Catalysts and methods of use thereof25 Jun 2026US 2026/0176272 A1Yale University
- Methods for preparing copolymers and for the oxidative degradation thereof27 Nov 2025US 2025/0361333 A1University of Houston System
- Polymer Composition Preparation Method and Polymer Composition25 Sep 2025US 2025/0297041 A1LG Chem.Ltd.
- Catalyst composition for cyclic olefin polymerization, and method for preparing cyclic olefin-based oligomer or olefin-based polymer by using same12 Jun 2025US 2025/0186981 A1Kyungpook National University Industry-Academic Cooperation Foundation
Most cited
By later US patents
- Nickel-catalyzed polymerization of ethylene37US 4,716,205 AE. I. Du Pont de Nemours and Company · 1987
- Metal complexes useful in metathesis and other reactions28US 7,687,635 B2Telene S.A.S. · 2010
- Polymerisation and oligomerisation catalysts25US 7,229,943 B2Innovene Europe Limited · 2007
- Process for the preparation of supported catalysts17US 8,859,451 B2Basell Polyolefine GmbH · 2014
- Iron-based catalyst for producing binary cis-1,4-/1,2-polybutadiene15US 6,160,063 ABridgestone Corporation · 2000