C08F 2420/03
Cp or analog not bridged to a non-cp x ancillary neutral donor
Official title: Cp or analog not bridged to a non-Cp X ancillary neutral donor
C08F2420/03 (Cp or analog not bridged to a non-cp x ancillary neutral donor) appears on 38 US grants and 47 published applications in this corpus.
Search patents in C08F- Granted patents
- 38
- Published applications
- 47
- Assignees
- 32
- Inventors
- 146
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 2 | 2 |
| 2010 | 1 | 3 |
| 2011 | 3 | 2 |
| 2012 | 1 | 4 |
| 2013 | 2 | 2 |
| 2014 | 2 | 2 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 2 | 4 |
| 2018 | 2 | 1 |
| 2019 | 2 | 4 |
| 2020 | 1 | 2 |
| 2021 | 5 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 2 |
| 2024 | 2 | 3 |
| 2025 | 3 | 5 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modifications of sulfated bentonites and uses thereof in metallocene catalyst systems for olefin polymerization3 Mar 2026US 12,565,543 B2Chevron Phillips Chemical Company LP
- Ethylene-rich diene block polymer having a random block and a polyethylene block30 Sep 2025US 12,428,515 B2Centre National De La Recherche Scientifique
- Modifications of sulfated bentonites and uses thereof in metallocene catalyst systems for olefin polymerization8 Jul 2025US 12,351,670 B2Chevron Phillips Chemical Company LP
- Dual metallocene polyethylene with improved processability for lightweight blow molded products15 Apr 2025US 12,275,809 B2Chevron Phillips Chemical Company LP
- Modifications of sulfated bentonites and uses thereof in metallocene catalyst systems for olefin polymerization4 Jun 2024US 11,999,814 B2Chevron Phillips Chemical Company LP
- Modifications of sulfated bentonites and uses thereof in metallocene catalyst systems for olefin polymerization4 Jun 2026US 2026/0152582 A1Chevron Phillips Chemical Company LP
- Multimodal polymerization processes with multi-catalyst systems26 Feb 2026US 2026/0055213 A1Dow Global Technologies LLC
- Method for producing varnish-like cyclic olefin copolymer composition, cyclic olefin copolymer composition, crosslinked product, film, or sheet, laminate, circuit board, electronic device, and prepreg25 Dec 2025US 2025/0388767 A1Mitsui Chemicals, Inc.
- Modifications of sulfated bentonites and uses thereof in metallocene catalyst systems for olefin polymerization18 Sep 2025US 2025/0289911 A1Chevron Phillips Chemical Company LP
- Dual metallocene polyethylene with improved processability for lightweight blow molded products26 Jun 2025US 2025/0206858 A1Chevron Phillips Chemical Company LP
Most cited
By later US patents
- Catalyst systems and polymer resins having improved barrier properties18US 8,501,651 B2Chevron Phillips Chemical Company LP · 2013
- Cyclopentadienyl group 6B metal .alpha.-olefin polymerization catalysts and process for polymerizing .alpha.-olefins15US 5,418,200 AChevron Chemical Company · 1995
- Fourth group transition metal compound having cyclopentadienyl ligand, method of preparing compound, and method of preparing olefin polymer using compound12US 7,972,987 B2LG Chem.Ltd. · 2011
- Dual metallocene polyethylene with improved processability for lightweight blow molded products5US 11,578,156 B2Chevron Phillips Chemical Company LP · 2023
- Cyclopentadienyl group 6b metal alpha-olefin polymerization catalysts and process for polymerizing alpha-olefins5US 5,684,100 AChevron Chemical Company · 1997