Olefin-based polymer, film prepared therefrom, and preparation methods therefor
US-12583956-B2 · Mar 24, 2026 · US
Impact strength or impact resistance, e.g. Izod, Charpy or notched
Impact strength or impact resistance, e.g. Izod, Charpy or notched · 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 | C08F2500/31 |
| Official title | Impact strength or impact resistance, e.g. Izod, Charpy or notched |
| Display label | Impact strength or impact resistance, e.g. Izod, Charpy or notched |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2021 | 2 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 10 |
| 2025 | 7 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Propylene-ethylene copolymer compositions suitable for hot fill packaging of foodstuffs
US-12552884-B2 · Feb 17, 2026 · US
A propylene-ethylene random copolymer for pipe applications
US-2026001976-A1 · Jan 1, 2026 · US
Polypropylene Copolymer With High Clarity and Toughness
US-2025340725-A1 · Nov 6, 2025 · US
Catalyst components for the polymerization of olefins
US-12286504-B2 · Apr 29, 2025 · US
Ethylene/1-Hexene Copolymer Having Improved Long-Term Physical Property Stability and Processibility
US-2025059307-A1 · Feb 20, 2025 · US
Polymer composition for pipes having very good impact properties and slow crack growth resistance
US-2025059313-A1 · Feb 20, 2025 · US
Polypropylene copolymer composition having subzero impact resistance
US-12221530-B2 · Feb 11, 2025 · US
Polypropylene composition suitable for packaging applications
US-2025034380-A1 · Jan 30, 2025 · US
High melt flow polypropylene composition
US-2025026872-A1 · Jan 23, 2025 · US
Hdpe intermediate bulk container resin using advanced chrome catalyst by polyethylene gas phase technology
US-2024425627-A1 · Dec 26, 2024 · US
Thermoplastic compositions
US-2024417556-A1 · Dec 19, 2024 · US
Ethylene/1-hexene copolymers
US-2024400733-A1 · Dec 5, 2024 · US
Bimodal poly(ethylene-co-1-alkene) copolymer and blow-molded intermediate bulk containers made therefrom
US-2024376236-A1 · Nov 14, 2024 · US
Polyethylene composition for blow molding having high swell ratio, impact resistance and tensile modulus
US-2024343847-A1 · Oct 17, 2024 · US
Polypropylenes for additive manufacturing
US-2024174777-A1 · May 30, 2024 · US
Propylene-ethylene copolymer compositions suitable for hot fill packaging of foodstuffs
US-2024150503-A1 · May 9, 2024 · US
Monomodal propylene random copolymer with high impact strength
US-2024043590-A1 · Feb 8, 2024 · US
Propylene-ethylene copolymer compositions suitable for hot fill packaging of foodstuffs
US-11873355-B2 · Jan 16, 2024 · US
Dual catalyst system for producing polyethylene with long chain branching for blow molding applications
US-11859024-B2 · Jan 2, 2024 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F2500/31?
- CPC C08F2500/31 is the Cooperative Patent Classification code for “Impact strength or impact resistance, e.g. Izod, Charpy or notched.”
- How many patents are filed under CPC C08F2500/31 (Impact strength or impact resistance, e.g. Izod, Charpy or notched)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC C08F2500/31 growing?
- Publication counts under this code: 10 in 2024 vs 7 in 2025 (latest complete years).