A process for the preparation of a graft copolymer comprising a polyolefin main chain and one or a multiple polymer side chains and the products obtained therefrom
US-2017320988-A1 · Nov 9, 2017 · US
Isotactic
Isotactic · 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 | C08F2500/15 |
| Official title | Isotactic |
| Display label | Isotactic |
| Total patents | 289 |
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 | 25 |
| 2016 | 28 |
| 2017 | 41 |
| 2018 | 50 |
| 2019 | 51 |
| 2020 | 32 |
| 2021 | 25 |
| 2022 | 15 |
| 2023 | 11 |
| 2024 | 3 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Metallocene catalyst for preparing a high molecular weight polyolefin and a preparation method thereof
US-9783557-B2 · Oct 10, 2017 · US
Method for producing solid catalyst component for use in polymerization of olefin, catalyst for use in polymerization of olefin, and method for producing olefin polymer
US-9670294-B2 · Jun 6, 2017 · US
Catalyst components for the polymerization of olefins
US-9644051-B2 · May 9, 2017 · US
Copolymers of propylene with hexene-1 and blown films obtained from them
US-9611338-B2 · Apr 4, 2017 · US
Catalyst components for the polymerization of olefins
US-9598511-B2 · Mar 21, 2017 · US
Solid titanium catalyst component, olefin polymerization catalyst, and process for producing olefin polymer
US-9593176-B2 · Mar 14, 2017 · US
Catalyst system for polymerization of an olefin
US-2016355615-A1 · Dec 8, 2016 · US
Process for the preparation of polypropylene with improved productivity
US-9512246-B2 · Dec 6, 2016 · US
Catalyst composition for polymerization of olefins
US-2016340293-A1 · Nov 24, 2016 · US
Carbon fiber reinforced polypropylene resin composition with excellent molding property
US-9499689-B2 · Nov 22, 2016 · US
Spherical magnesium halide adduct, a catalyst component and a catalyst for olefin polymerization prepared therefrom
US-9499569-B2 · Nov 22, 2016 · US
Metal complexes of salan-type ligands and uses thereof as catalysts for polymerization of alpha-olefins
US-9493587-B2 · Nov 15, 2016 · US
High isotactic PP resin with wide melting distribution having improved BOPP film properties and easy processing characteristics
US-9487634-B2 · Nov 8, 2016 · US
Catalyst system for polymerization of an olefin
US-2016311947-A1 · Oct 27, 2016 · US
Catalyst system for polymerization of an olefin
US-2016311946-A1 · Oct 27, 2016 · US
Articles comprising broad molecular weight distribution polypropylene resins
US-9464178-B2 · Oct 11, 2016 · US
Process for producing olefin polymer and olefin polymer
US-9458257-B2 · Oct 4, 2016 · US
Transition metal compound, olefin polymerization catalyst, and olefin polymer production process
US-9458261-B2 · Oct 4, 2016 · US
Broad molecular weight distribution polypropylene resins
US-9453093-B2 · Sep 27, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F2500/15?
- CPC C08F2500/15 is the Cooperative Patent Classification code for “Isotactic.”
- How many patents are filed under CPC C08F2500/15 (Isotactic)?
- Our database includes 289 publications tagged with this CPC code.
- Is patent activity under CPC C08F2500/15 growing?
- Publication counts under this code: 3 in 2024 vs 6 in 2025 (latest complete years).