C08F 2420/10
Heteroatom-substituted bridge, i.e. cp or analog where the bridge linking the two
Official title: Heteroatom-substituted bridge, i.e. Cp or analog where the bridge linking the two Cps or analogs is substituted by at least one group that contains a heteroatom
C08F2420/10 (Heteroatom-substituted bridge, i.e. cp or analog where the bridge linking the two) appears on 126 US grants and 167 published applications in this corpus.
Search patents in C08F- Granted patents
- 126
- Published applications
- 167
- Assignees
- 28
- Inventors
- 340
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 10 |
| 2017 | 6 | 9 |
| 2018 | 10 | 22 |
| 2019 | 9 | 18 |
| 2020 | 23 | 11 |
| 2021 | 13 | 15 |
| 2022 | 9 | 23 |
| 2023 | 6 | 10 |
| 2024 | 12 | 9 |
| 2025 | 14 | 20 |
| 2026 | 10 | 10 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Metallocene compound, and preparation method therefor and application thereof25 Aug 2026US 12,715,941 B2China Petroleum & Chemical Corporation
- Medium density polyethylene compositions with broad orthogonal composition distribution16 Jun 2026US 12,655,240 B2ExxonMobil Chemical Patents Inc.
- Syndiotactic propylene-based ethylene-propylene copolymers26 May 2026US 12,637,558 B2ExxonMobil Chemical Patents Inc.
- Non-coordinating anion activators containing a cation with long chain alkoxy functionalization12 May 2026US 12,623,997 B2ExxonMobil Chemical Patents Inc.
- Metallocene compound, catalyst composition comprising the same, and method for preparing olefin polymer using the same5 May 2026US 12,617,881 B2LG Chem.Ltd.
- A process for preparing propylene-ethylene random copolymers for pipe applications3 Sep 2026US 2026/0258174 A1Borealis AG
- Non-coordinating anion activators containing a cation with long chain alkoxy functionalization13 Aug 2026US 2026/0234097 A1ExxonMobil Chemical Patents Inc.
- Catalyst transition process23 Jul 2026US 2026/0209404 A1Borealis AG
- Metallocenes containing alkenyloxyphenyl groups producing high molecular weight polyethylene11 Jun 2026US 2026/0159615 A1Chevron Phillips Chemical Company LP
- Polyethylene composition21 May 2026US 2026/0139081 A1LG Chem.Ltd.
Most cited
By later US patents
- Organometal compound catalyst72US 6,833,338 B2Phillips Petroleum Company · 2004
- Catalyst compositions for producing high Mz/Mw polyolefins72US 8,383,754 B2Chevron Phillips Chemical Company LP · 2013
- Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom55US 7,223,822 B2ExxonMobil Chemical Patents Inc. · 2007
- Organometal compound catalyst35US 7,417,097 B2Phillips Petroleum Company · 2008
- Organometal compound catalyst30US 7,547,754 B2Chevron Phillips Chemical Company LP · 2009