C08F 4/643
Component covered by group c08f4/64 with a metal or compound covered by
Official title: Component covered by group C08F4/64 with a metal or compound covered by group C08F4/44 other than an organo-aluminium compound {(C08F4/64003 - C08F4/64196 take precedence)}
C08F4/643 (Component covered by group c08f4/64 with a metal or compound covered by) appears on 29 US grants and 43 published applications in this corpus.
Search patents in C08F- Granted patents
- 29
- Published applications
- 43
- Assignees
- 18
- Inventors
- 94
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 2 | 0 |
| 2016 | 0 | 6 |
| 2017 | 2 | 3 |
| 2018 | 3 | 7 |
| 2019 | 7 | 7 |
| 2020 | 2 | 2 |
| 2021 | 5 | 4 |
| 2022 | 3 | 3 |
| 2023 | 2 | 3 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ziegler-Natta catalysts for olefin polymerization15 Jul 2025US 12,359,005 B2Borealis AG
- Washing process19 Nov 2024US 12,146,019 B2Borealis AG
- Method of producing polyethylene and polyethylene thereof25 Jul 2023US 11,708,438 B2Univation Technologies, LLC
- Producing polyolefin products30 May 2023US 11,661,466 B2Univation Technologies, LLC
- Olefin polymerization activators20 Sep 2022US 11,447,584 B2Dow Global Technologies LLC
- A process for preparing propylene-ethylene random copolymers for pipe applications3 Sep 2026US 2026/0258174 A1Borealis AG
- Catalyst system for polymerization of an olefin18 Dec 2025US 2025/0382394 A1Sabic Global Technologies B.V.
- Method of Producing Polyethylene18 Apr 2024US 2024/0124626 A1SK Geo Centric Co., Ltd.
- Producing polyolefin products7 Mar 2024US 2024/0076427 A1Univation Technologies, LLC
- Propylene-butene copolymer, preparation method therefor and use thereof7 Dec 2023US 2023/0391907 A1Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
Most cited
By later US patents
- Producing polyolefin products8US 9,879,106 B2Univation Technologies, LLC · 2018
- Producing polyolefin products8US 9,902,790 B2Univation Technologies, LLC · 2018
- Producing polyolefin products7US 9,809,667 B2Univation Technologies, LLC · 2017
- Producing polyolefin products with improved stiffness, toughness, and processability7US 9,850,332 B2Univation Technologies, LLC · 2017
- Non-coordinating anion type activators containing cation having branched alkyl groups6US 11,041,031 B2ExxonMobil Chemical Patents Inc. · 2021