C08F 4/54
Together with other compounds thereof
Official title: together with other compounds thereof
C08F4/54 (Together with other compounds thereof) appears on 138 US grants and 144 published applications in this corpus.
Search patents in C08F- Granted patents
- 138
- Published applications
- 144
- Assignees
- 70
- Inventors
- 330
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 5 |
| 2013 | 0 | 8 |
| 2014 | 2 | 8 |
| 2015 | 5 | 6 |
| 2016 | 14 | 3 |
| 2017 | 2 | 10 |
| 2018 | 5 | 13 |
| 2019 | 11 | 14 |
| 2020 | 10 | 17 |
| 2021 | 14 | 9 |
| 2022 | 8 | 15 |
| 2023 | 9 | 11 |
| 2024 | 10 | 2 |
| 2025 | 8 | 6 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Synthesis of isoprene-butadiene copolymer rubbers9 Jun 2026US 12,649,811 B2G-3 Chickadee Purchaser, LLC
- Polymerization catalyst composition, method for producing polymerization catalyst composition, and method for producing conjugated diene polymer26 May 2026US 12,637,523 B2DIC Corporation
- Homogeneous rare earth catalyst and preparation method and use thereof5 May 2026US 12,617,882 B2Qingdao University of Science and Technology
- Catalytic system based on a rare-earth metallocene and a co-catalyst having a plurality of carbon-magnesium bonds21 Apr 2026US 12,606,644 B2Centre National De La Recherche Scientifique
- Catalytic system for the stereospecific polymerization of dienes and use thereof in a process for synthesizing diene polymers24 Mar 2026US 12,583,949 B2Compagnie Generale Des Etablissements Michelin
- Coupled polyethylenes or copolymers of ethylene and 1,3-diene, and process for the preparation thereof10 Sep 2026US 2026/0265418 A1Centre National De La Recherche Scientifique
- Method for preparing catalyst composition and method for preparing conjugated diene-based polymer9 Jul 2026US 2026/0193392 A1LG Chem.Ltd.
- Diene coupled copolymers rich in ethylene units and preparation method thereof18 Jun 2026US 2026/0167759 A1Compagnie Generale Des Etablissements Michelin
- Method of producing multimodal polyethylene using at least one group iii-based or lanthanide-based biphenylphenoxy catalyst12 Mar 2026US 2026/0071015 A1Dow Global Technologies LLC
- Method of manufacturing coordination compound of rare-earth element and method of polymerizing conjugated diene27 Nov 2025US 2025/0361332 A1Industrial Technology Research Institute
Most cited
By later US patents
- Method of producing conjugated diene polymers60US 6,255,416 B1Jsr Corporation · 2001
- Process and catalyst system for synthesizing random trans SBR with low vinyl microstructure46US 6,103,842 AThe Goodyear Tire & Rubber Company · 2000
- Ultra-high activity non-metallocene pre-catalyst and method for catalytic polymerization of alpha-olefin monomers30US 6,333,423 B1Bar-Ilan University · 2001
- Trans microstructure directing initiator system29US 5,753,579 AThe Goodyear Tire & Rubber Company · 1998
- Catalyst complexes and polymers therefrom25US 6,037,297 AExxon Research & Engineering Co. · 2000