C08F 4/619
Component covered by group c08f4/60 containing a transition metal-carbon bond
Official title: Component covered by group C08F4/60 containing a transition metal-carbon bond {(C08F4/60003 - C08F4/60196 take precedence)}
C08F4/619 (Component covered by group c08f4/60 containing a transition metal-carbon bond) appears on 456 US grants and 134 published applications in this corpus.
Search patents in C08F- Granted patents
- 456
- Published applications
- 134
- Assignees
- 120
- Inventors
- 773
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 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 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 16 | 0 |
| 1996 | 27 | 0 |
| 1997 | 44 | 0 |
| 1998 | 50 | 0 |
| 1999 | 41 | 0 |
| 2000 | 51 | 0 |
| 2001 | 47 | 7 |
| 2002 | 41 | 12 |
| 2003 | 15 | 16 |
| 2004 | 10 | 3 |
| 2005 | 7 | 9 |
| 2006 | 6 | 6 |
| 2007 | 4 | 0 |
| 2008 | 5 | 3 |
| 2009 | 2 | 4 |
| 2010 | 5 | 6 |
| 2011 | 4 | 3 |
| 2012 | 1 | 1 |
| 2013 | 0 | 5 |
| 2014 | 3 | 1 |
| 2015 | 2 | 2 |
| 2016 | 4 | 4 |
| 2017 | 2 | 4 |
| 2018 | 9 | 10 |
| 2019 | 6 | 11 |
| 2020 | 9 | 9 |
| 2021 | 4 | 2 |
| 2022 | 8 | 5 |
| 2023 | 1 | 5 |
| 2024 | 6 | 2 |
| 2025 | 3 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08F 4/6192Containing at least one cyclopentadienyl ring, condensed or not332
- C08F 4/61912In combination with an organoaluminium compound300
- C08F 4/61916Supported on a carrier155
- C08F 4/61908In combination with an ionising compound other than alumoxane129
- C08F 4/61904In combination with another component of c08f4/6030
Recent patents
- Catalyst comprising mixed transition metal compounds, polyolefin prepared using the same, and processes for preparing the same26 May 2026US 12,637,525 B2Hanwha Solutions Corporation
- High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization6 Jan 2026US 12,516,137 B2Chevron Phillips Chemical Company LP
- Polymerization of ethylene in solution processes using a Ziegler-Natta catalyst and a hydrogenation procatalyst11 Nov 2025US 12,466,901 B2Dow Global Technologies LLC
- Catalysts and process for olefins and polar vinyl monomers copolymerization and olefins homopolymerization11 Nov 2025US 12,466,903 B2Universita' Degli Studi Di Trieste
- High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization3 Jun 2025US 12,319,770 B2Chevron Phillips Chemical Company LP
- High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization30 Jul 2026US 2026/0217873 A1Chevron Phillips Chemical Company LP
- Pipes including high density multimodal polyethylene compositions30 Jul 2026US 2026/0218818 A1Dow Global Technologies LLC
- High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization14 Aug 2025US 2025/0257155 A1Chevron Phillips Chemical Company LP
- High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization6 Feb 2025US 2025/0043037 A1Chevron Phillips Chemical Company LP
- Catalysts18 Jul 2024US 2024/0239925 A1Oxford University Innovation Limited
Most cited
By later US patents
- Metal complex compounds688US 5,064,802 AThe Dow Chemical Company · 1991
- Highly soluble olefin polymerization catalyst activator455US 5,919,983 AThe Dow Chemical Company · 1999
- Silicon-bridged transition metal compounds390US 5,017,714 AExxon Chemical Patents Inc. · 1991
- New polymerization catalyst328US 4,752,597 AExxon Chemical Patents Inc. · 1988
- Metal complex compounds307US 5,132,380 AThe Dow Chemical Company · 1992