Bidentate biarylphenoxy group IV transition metal catalysts for olefin polymerization with chain transfer agents
US-12552879-B2 · Feb 17, 2026 · US
containing another heteroatom
containing another heteroatom · 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 | C08F4/6498 |
| Official title | {containing another heteroatom} |
| Display label | containing another heteroatom |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 10 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 4 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heterophasic polypropylene copolymers
US-12391774-B2 · Aug 19, 2025 · US
Catalysts
US-12319772-B2 · Jun 3, 2025 · US
Adhesive composition including ethylene/alpha-olefin copolymer
US-11718738-B2 · Aug 8, 2023 · US
Ethylene/alpha-olefin copolymer and method for preparing the same
US-11718737-B2 · Aug 8, 2023 · US
Catalyst component for olefin polymerization or copolymerization and preparation method therefor, and application
US-2023192915-A1 · Jun 22, 2023 · US
Heterophasic polypropylene copolymers
US-2023002605-A1 · Jan 5, 2023 · US
Bidentate biarylphenoxy group iv transition metal catalysts for olefin polymerization with chain transfer agents
US-2022403060-A1 · Dec 22, 2022 · US
Catalysts
US-2022356274-A1 · Nov 10, 2022 · US
Long chain branched polypropylene via polymerization with aluminum vinyl transfer agent
US-11421050-B2 · Aug 23, 2022 · US
Self-regulating external electron donor-containing catalyst used for alpha-olefin polymerization, and application of catalyst
US-11359032-B2 · Jun 14, 2022 · US
Catalysts
US-11352376-B2 · Jun 7, 2022 · US
Industrial preparation method of ziegler-natta catalyst
US-2021403614-A1 · Dec 30, 2021 · US
Adhesive Composition Including Ethylene/Alpha-Olefin Copolymer
US-2021230460-A1 · Jul 29, 2021 · US
Long chain branched polypropylene via polymerization with aluminum vinyl transfer agent
US-10927196-B2 · Feb 23, 2021 · US
Long Chain Branched Polypropylene via Polymerization with Aluminum Vinyl Transfer Agent
US-2021040242-A1 · Feb 11, 2021 · US
Ethylene/Alpha-Olefin Copolymer and Method for Preparing the Same
US-2021024729-A1 · Jan 28, 2021 · US
External donor for olefin polymerization
US-10689465-B2 · Jun 23, 2020 · US
Polymers produced via use of quinolinyldiamido transition metal complexes and vinyl transfer agents
US-10562987-B2 · Feb 18, 2020 · US
Method for producing solid catalyst component for α-olefin polymerization and method for producing α-olefin polymer using the same
US-10526427-B2 · Jan 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/6498?
- CPC C08F4/6498 is the Cooperative Patent Classification code for “containing another heteroatom.”
- How many patents are filed under CPC C08F4/6498 (containing another heteroatom)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/6498 growing?
- Publication counts under this code: 4 in 2023 vs 2 in 2025 (latest complete years).