Polymer blends
US-2024084071-A1 · Mar 14, 2024 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C08F2500/03 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 794 |
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 | 65 |
| 2016 | 92 |
| 2017 | 98 |
| 2018 | 98 |
| 2019 | 104 |
| 2020 | 101 |
| 2021 | 88 |
| 2022 | 51 |
| 2023 | 33 |
| 2024 | 27 |
| 2025 | 23 |
| 2026 | 14 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Modified phosphinimine catalysts for olefin polymerization
US-9221935-B2 · Dec 29, 2015 · US
Film made from heterogenous ethylene/alpha-olefin interpolymer
US-9206303-B2 · Dec 8, 2015 · US
Melt blown media for air filtration
US-9206530-B2 · Dec 8, 2015 · US
A polyolefin composition
US-2015344681-A1 · Dec 3, 2015 · US
Catalysts
US-9187583-B2 · Nov 17, 2015 · US
Polyethylene compositions, method of producing the same, articles made therefrom, and method of making the same
US-9181362-B2 · Nov 10, 2015 · US
Ethylene-based copolymers, lubricating oil compositions containing the same, and methods for making them
US-9175240-B2 · Nov 3, 2015 · US
Living coordinative chain transfer polymerization with dynamic counterion exchange
US-9175103-B2 · Nov 3, 2015 · US
Polymers
US-9175119-B2 · Nov 3, 2015 · US
Polymerization processes for high molecular weight polymers
US-2015307643-A1 · Oct 29, 2015 · US
Process for producing substituted metallocene compounds for olefin polymerization
US-9163046-B2 · Oct 20, 2015 · US
Catalyst systems for olefin polymerization
US-2015291713-A1 · Oct 15, 2015 · US
Polymerization initiating system and method to produce highly reactive olefin functional polymers
US-9156924-B2 · Oct 13, 2015 · US
Bis(2-indenyl) metallocene complex
US-9156929-B2 · Oct 13, 2015 · US
Exterior automotive article with reduced paintability failure
US-9150715-B2 · Oct 6, 2015 · US
Polyolefin molded product
US-2015274949-A1 · Oct 1, 2015 · US
Modified phosphinimine catalysts for olefin polymerization
US-9127106-B2 · Sep 8, 2015 · US
Modified phosphinimine catalysts for olefin polymerization
US-9127094-B2 · Sep 8, 2015 · US
Polymer composition
US-9115280-B2 · Aug 25, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F2500/03?
- CPC C08F2500/03 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C08F2500/03 (Chemistry & Metallurgy)?
- Our database includes 794 publications tagged with this CPC code.
- Is patent activity under CPC C08F2500/03 growing?
- Publication counts under this code: 27 in 2024 vs 23 in 2025 (latest complete years).