Copolymer, rubber composition using same, and tire
US-9850336-B2 · Dec 26, 2017 · 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 | C08F4/48 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 196 |
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 | 23 |
| 2016 | 22 |
| 2017 | 20 |
| 2018 | 17 |
| 2019 | 24 |
| 2020 | 28 |
| 2021 | 28 |
| 2022 | 11 |
| 2023 | 8 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polymers functionalized with heterocyclic imines
US-9850328-B2 · Dec 26, 2017 · US
Processes for preparing aminosilane functionalized polymers
US-2017283516-A1 · Oct 5, 2017 · US
Modified butadiene-based polymer and modifier useful for preparing the same
US-2017275390-A1 · Sep 28, 2017 · US
Copolymer, rubber composition using same, and tire
US-2017260374-A1 · Sep 14, 2017 · US
Polymers incorporating hydroxyl group-containing methylstyrene
US-9738733-B2 · Aug 22, 2017 · US
Copolymer, rubber composition using same, and tire
US-9732206-B2 · Aug 15, 2017 · US
Modified styrene-butadiene copolymer, preparation method thereof, and rubber composition including the same
US-2017204205-A1 · Jul 20, 2017 · US
Anionic polymerization initiator and method for preparing conjugated diene-based polymer using same
US-9708420-B2 · Jul 18, 2017 · US
Modified polymer compositions
US-9683066-B2 · Jun 20, 2017 · US
Processes for preparing aminosilane functionalized polymers
US-9676874-B2 · Jun 13, 2017 · US
Polyalkenyl Coupling Agent And Conjugated Diene Polymers Prepared Therefrom
US-2017114161-A9 · Apr 27, 2017 · US
Method for preparing novel anionic polymerization initiator and conjugate diene system copolymer using same
US-2017066854-A1 · Mar 9, 2017 · US
Novel anionic polymerization initiator and method for preparing conjugated diene-based polymer using same
US-2017015763-A1 · Jan 19, 2017 · US
Method for producing hydrogenated conjugated diene copolymer
US-9546238-B2 · Jan 17, 2017 · US
Method for producing denatured conjugated diene polymer
US-9527932-B2 · Dec 27, 2016 · US
Polyalkenyl Coupling Agent And Conjugated Diene Polymers Prepared Therefrom
US-2016333122-A1 · Nov 17, 2016 · US
Modified butadiene-based polymer composition
US-9493629-B2 · Nov 15, 2016 · US
Anionic polymerization initiator, use thereof for synthesizing a diene elastomer having an alkyne function at the chain end, and functionalized diene elastomer
US-9481755-B2 · Nov 1, 2016 · US
Hydroxyl group-containing methylstyrene and polymers incorporating same
US-9469661-B2 · Oct 18, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/48?
- CPC C08F4/48 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C08F4/48 (Chemistry & Metallurgy)?
- Our database includes 196 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/48 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).