Low density polyethylene with improved processability
US-12540204-B2 · Feb 3, 2026 · US
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Elution or crystallisation fractionation, e.g. as determined by. TREF or Crystaf
Elution or crystallisation fractionation, e.g. as determined by. TREF or Crystaf · 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 | C08F2500/37 |
| Official title | Elution or crystallisation fractionation, e.g. as determined by. TREF or Crystaf |
| Display label | Elution or crystallisation fractionation, e.g. as determined by. TREF or Crystaf |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2020 | 1 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
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Polypropylene composition with low shrinkage at wide application temperature range
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Beta nucleated heterophasic polypropylene composition
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Low density polyethylene with improved processability
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Ziegler-natta catalyzed polyethylene resins and films incorporating same
US-2022220292-A1 · Jul 14, 2022 · US
Propylene-based polymer, method for producing the same, propylene-based resin composition and molded article
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Polyethylene film for heat sealing
US-2022064389-A1 · Mar 3, 2022 · US
Metallocene catalyst system for producing LLDPE copolymers with tear resistance and low haze
US-11174378-B2 · Nov 16, 2021 · US
Metallocene Catalyst System For Producing LLDPE Copolymers With Tear Resistance and Low Haze
US-2021253835-A1 · Aug 19, 2021 · US
Metallocene catalyst system for producing LLDPE copolymers with tear resistance and low haze
US-11028258-B2 · Jun 8, 2021 · US