Spray-dried catalysts containing a germanium-bridged bis-biphenyl-phenoxy organometallic compound for making ethylene-based copolymers
US-12492270-B2 · Dec 9, 2025 · US
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inorganic
inorganic · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08F4/648 |
| Official title | inorganic |
| Display label | inorganic |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2023 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalyst systems and processes for producing polyethylene using the same
US-12428502-B2 · Sep 30, 2025 · US
Carrier for olefin polymerization catalyst, and preparation method therefor and application thereof
US-12319773-B2 · Jun 3, 2025 · US
Spray-dried catalysts containing a germanium-bridged bis-biphenyl-phenoxy organometallic compound for making ethylene-based copolymers
US-2023287159-A1 · Sep 14, 2023 · US
Catalyst systems and processes for producing polyethylene using the same
US-2023235099-A1 · Jul 27, 2023 · US
Carrier for olefin polymerization catalyst, and preparation method therefor and application thereof
US-2021371552-A1 · Dec 2, 2021 · US
Ethylene alpha-olefin copolymers and methods
US-10654956-B2 · May 19, 2020 · US
Polypropylene
US-10604597-B2 · Mar 31, 2020 · US
Heterogeneous Ziegler-Natta catalyst composition, a process for its preparation and a process for polymerizing olefin using the same
US-10544243-B2 · Jan 28, 2020 · US
Olefin-based polymer with excellent processability
US-10344102-B2 · Jul 9, 2019 · US
Ethylene alpha-olefin copolymers and methods
US-2018319916-A1 · Nov 8, 2018 · US
Polypropylene
US-2018298122-A1 · Oct 18, 2018 · US
Olefin-based polymer with excellent processability
US-2018223009-A1 · Aug 9, 2018 · US