Ethylene copolymer for biaxial orientation
US-12486345-B2 · Dec 2, 2025 · US
Vanadium or compounds thereof in combination with titanium or compounds thereof
Vanadium or compounds thereof in combination with titanium or compounds thereof · 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 | C08F4/685 |
| Official title | Vanadium or compounds thereof in combination with titanium or compounds thereof |
| Display label | Vanadium or compounds thereof in combination with titanium or compounds thereof |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ziegler-Natta catalyzed polyethylene resins and films incorporating same
US-12448504-B2 · Oct 21, 2025 · US
Polymerization catalysts for production of polyethylene with high molecular weight
US-12365750-B2 · Jul 22, 2025 · US
Ziegler-Natta catalyst with an electron donor compound for increasing polymer molecular weight
US-11939417-B2 · Mar 26, 2024 · US
Ziegler-Natta catalyst system having a thermally treated magnesium chloride component
US-11857935-B2 · Jan 2, 2024 · US
Ethylene copolymer for biaxial orientation
US-2023235106-A1 · Jul 27, 2023 · US
Polymerization catalysts for production of polyethylene with high molecular weight
US-2022389137-A1 · Dec 8, 2022 · US
Ziegler-natta catalyzed polyethylene resins and films incorporating same
US-2022220292-A1 · Jul 14, 2022 · US
Ziegler-natta catalyst with an electron donor compound for increasing polymer molecular weight
US-2021221924-A1 · Jul 22, 2021 · US
Ziegler-natta catalyst system having a thermally treated magnesium chloride component
US-2021205785-A1 · Jul 8, 2021 · US
Tri-n-octyl aluminum co-catalyst for higher density homopolymers for the solution process
US-11021551-B2 · Jun 1, 2021 · US
Cast films, and articles made therefrom
US-10870714-B2 · Dec 22, 2020 · US
Multilayer stretch films and methods thereof
US-10857768-B2 · Dec 8, 2020 · US
Mono- and multi-layer films and articles made therefrom
US-10851190-B2 · Dec 1, 2020 · US
Mono- and multi-layer films and articles made therefrom
US-2019263952-A1 · Aug 29, 2019 · US
Mono- and multi-layer films and articles made therefrom
US-10308741-B2 · Jun 4, 2019 · US
Cast films, and articles made therefrom
US-2019002602-A1 · Jan 3, 2019 · US
Method for producing solid catalyst component containing vanadium compound for olefin polymerization, olefin polymerization catalyst, and method for producing olefin polymer
US-10113014-B1 · Oct 30, 2018 · US
Heterogeneous Ziegler-Natta catalysts with fluorided silica-coated alumina
US-9845367-B2 · Dec 19, 2017 · US
Heterogeneous Ziegler-Natta catalysts with fluorided silica-coated alumina
US-9758599-B2 · Sep 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/685?
- CPC C08F4/685 is the Cooperative Patent Classification code for “Vanadium or compounds thereof in combination with titanium or compounds thereof.”
- How many patents are filed under CPC C08F4/685 (Vanadium or compounds thereof in combination with titanium or compounds thereof)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/685 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).