C08F 4/657
With metals or metal-containing compounds, not provided for in groups c08f4/653 -
Official title: with metals or metal-containing compounds, not provided for in groups C08F4/653 - C08F4/656
C08F4/657 (With metals or metal-containing compounds, not provided for in groups c08f4/653 -) appears on 8 US grants and 12 published applications in this corpus.
Search patents in C08F- Granted patents
- 8
- Published applications
- 12
- Assignees
- 10
- Inventors
- 48
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 4 |
| 2022 | 1 | 3 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
| 2025 | 2 | 0 |
By publication year.
Subgroups
Granted patents
Recent patents
- Polypropylene-based resin composition containing ultrahigh molecular weight propylene (co)polymer16 Sep 2025US 12,415,914 B2Resonac Corporation
- Catalyst and preparation thereof26 Aug 2025US 12,398,219 B2Borealis AG
- Olefin polymer and method for producing olefin polymer27 Feb 2024US 11,912,796 B2Toho Titanium Co., Ltd.
- Ziegler-Natta catalyst system having a thermally treated magnesium chloride component2 Jan 2024US 11,857,935 B2Dow Global Technologies LLC
- Zeolites with tetra-coordinated Lewis aluminum sites and methods for their preparation7 Mar 2023US 11,596,931 B2King Abdullah University of Science and Technology
- Catalyst and preparation thereof13 Apr 2023US 2023/0113200 A1Borealis AG
- Polypropylene-based resin composition containing ultrahigh molecular weight propylene (co)polymer9 Jun 2022US 2022/0177686 A1Showa Denko K. K.
- Catalyst components for the polymerization of olefins17 Mar 2022US 2022/0081497 A1Basell Poliolefine Italia S.r.l.
- Zeolites with tetra-coordinated lewis aluminum sites and methods for their preparation10 Mar 2022US 2022/0072521 A1King Abdullah University of Science and Technology
- Components and catalysts for the polymerization of olefins2 Sep 2021US 2021/0269564 A1Basell Poliolefine Italia S.r.l.
Most cited
By later US patents