C08F 4/6428
With an aluminoxane, i.e. a compound containing an al-o-al- group
Official title: {with an aluminoxane, i.e. a compound containing an Al-O-Al- group}
C08F4/6428 (With an aluminoxane, i.e. a compound containing an al-o-al- group) appears on 40 US grants and 49 published applications in this corpus.
Search patents in C08F- Granted patents
- 40
- Published applications
- 49
- Assignees
- 26
- Inventors
- 174
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 3 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 3 |
| 2018 | 2 | 0 |
| 2019 | 0 | 5 |
| 2020 | 4 | 10 |
| 2021 | 4 | 10 |
| 2022 | 6 | 8 |
| 2023 | 7 | 2 |
| 2024 | 2 | 4 |
| 2025 | 5 | 1 |
| 2026 | 3 | 1 |
By publication year. 2026 runs to 8 Oct.
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
- Composition and cured product thereof12 May 2026US 12,624,220 B2Denka Company Limited
- Propylene copolymer, preparation method therefor, and application thereof27 Jan 2026US 12,534,605 B2Dalian University of Technology
- Biphenol metal complex, preparation method therefor and use thereof23 Dec 2025US 12,503,525 B2Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- Catalyst for olefin polymerization and polymerization method using same21 Oct 2025US 12,448,468 B2Bejing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- A process for preparing propylene-ethylene random copolymers for pipe applications3 Sep 2026US 2026/0258174 A1Borealis AG
- Polyolefin having excellent processability and process for preparing same16 Jan 2025US 2025/0019474 A1Hanwha Solutions Corporation
- Olefin polymerisation catalyst and process for manufacturing thereof17 Oct 2024US 2024/0343842 A1
- Ethylene-cyclic mono olefin copolymerizations15 Feb 2024US 2024/0052147 A1NOVA Chemicals (International) S.A.
- Polymerisation method and apparatus therefor25 Jan 2024US 2024/0024833 A1Innospec Limited
Most cited
By later US patents
- Solid particulate catalysts comprising bridged metallocenes15US 8,729,206 B2Borealis AG · 2014
- “Sweet” MAO11US 6,340,771 B12002
- Polymerization using a spiral heat exchanger8US 9,708,428 B2ExxonMobil Chemical Patents Inc. · 2017
- Dual catalyst composition5US 11,274,171 B2Total Research & Technology Feluy · 2022
- Catalyst composition for polymerizing polyolefin, method for producing polyolefin, and polyolefin resin5US 11,332,553 B2DL Chemical CO., LTD. · 2022