Heterophasic polyolefin composition having improved optical properties
US-2019367715-A1 · Dec 5, 2019 · US
Activation energy or enthalpy
Activation energy or enthalpy · 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 | C08F2500/20 |
| Official title | Activation energy or enthalpy |
| Display label | Activation energy or enthalpy |
| Total patents | 87 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 22 |
| 2016 | 14 |
| 2017 | 11 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 9 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Metallic complex catalyst, polymerization methods employing same and polymer products thereof
US-10457765-B2 · Oct 29, 2019 · US
Polyethylene for superior sheet extrusion thermoforming performance
US-10414086-B2 · Sep 17, 2019 · US
Magnesium dichloride-alcohol adducts and catalyst components obtained therefrom
US-10377839-B2 · Aug 13, 2019 · US
Ultra-high molecular weight ethylene-based copolymer powder, and molded article using ultra-high molecular weight ethylene-based copolymer powder
US-10336843-B2 · Jul 2, 2019 · US
Ziegler-natta catalysts doped with non-Group IV metal chlorides
US-10294311-B2 · May 21, 2019 · US
Propylene polymers
US-10100183-B2 · Oct 16, 2018 · US
Modified polypropylene compositions for reduced necking in extrusion film casting or extrusion coating processes
US-10081720-B2 · Sep 25, 2018 · US
Ziegler-natta catalysts doped with non-group iv metal chlorides
US-2018265603-A1 · Sep 20, 2018 · US
Modified propylene-(α-olefin) copolymer, method for producing same, coating material comprising same, resin composition for molding use, and hot-melt composition
US-10072116-B2 · Sep 11, 2018 · US
Ziegler-Natta catalysts doped with non-group IV metal chlorides
US-9944724-B2 · Apr 17, 2018 · US
Processes to control fouling and improve compositions
US-9932425-B2 · Apr 3, 2018 · US
Heterophasic polypropylene polymer
US-9932469-B2 · Apr 3, 2018 · US
Door assembly
US-9803413-B2 · Oct 31, 2017 · US
Poly alpha olefin compositions
US-9796645-B2 · Oct 24, 2017 · US
Catalyst precursor and catalyst for the high-temperature (co)polymerization of alpha-olefin
US-9751959-B2 · Sep 5, 2017 · US
Ethylene/alpha-olefin interpolymer composition
US-9752021-B2 · Sep 5, 2017 · US
Door assembly
US-2017241190-A1 · Aug 24, 2017 · US
Films comprising ethylene-based polymers and methods of making same
US-9695290-B2 · Jul 4, 2017 · US
Heterogeneous in-situ polymer blend
US-9644092-B2 · May 9, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F2500/20?
- CPC C08F2500/20 is the Cooperative Patent Classification code for “Activation energy or enthalpy.”
- How many patents are filed under CPC C08F2500/20 (Activation energy or enthalpy)?
- Our database includes 87 publications tagged with this CPC code.
- Is patent activity under CPC C08F2500/20 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).