Method for producing polymer
US-12084538-B2 · Sep 10, 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 | C08F4/46 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 37 |
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 | 2 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 12 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 2 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Functional initiator for anionic polymerization
US-11512161-B2 · Nov 29, 2022 · US
Modified polymerization initiator and modified conjugated diene- based polymer including functional group derived therefrom
US-11254801-B2 · Feb 22, 2022 · US
Hydroxyaryl functionalized polymers
US-11117987-B2 · Sep 14, 2021 · US
Hydroxyaryl functionalized polymers
US-11028195-B2 · Jun 8, 2021 · US
Diene polymer, method for producing diene polymer, and rubber composition
US-11001654-B2 · May 11, 2021 · US
Functional Initiator For Anionic Polymerization
US-2021115176-A1 · Apr 22, 2021 · US
Modifier, method for preparing the same, and modified conjugated diene-based polymer including the same
US-10913805-B2 · Feb 9, 2021 · US
Method for Producing Polymer
US-2020354487-A1 · Nov 12, 2020 · US
Functional initiator for anionic polymerization
US-10815328-B2 · Oct 27, 2020 · US
Modified Polymerization Initiator and Modified Conjugated Diene-Based Polymer Including Functional Group Derived Therefrom
US-2019375912-A1 · Dec 12, 2019 · US
Hydroxyaryl Functionalized Polymers
US-2019322777-A1 · Oct 24, 2019 · US
Radical polymerization method and polymerization reaction apparatus
US-10442873-B2 · Oct 15, 2019 · US
Method for producing for conjugated-diene-based rubber
US-2019292289-A1 · Sep 26, 2019 · US
Method of production of modified conjugated diene rubber
US-10414835-B2 · Sep 17, 2019 · US
Hydroxyaryl Functionalized Polymers
US-2019233557-A1 · Aug 1, 2019 · US
Modifier, Method For Preparing The Same, And Modified Conjugated Diene-Based Polymer Including The Same
US-2019177457-A1 · Jun 13, 2019 · US
Method for producing polymer
US-2019169343-A1 · Jun 6, 2019 · US
Polypropylene with narrow molecular weight distribution range and processes for preparation thereof
US-10301405-B2 · May 28, 2019 · US
Hydroxyaryl functionalized polymers
US-10227425-B2 · Mar 12, 2019 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/46?
- CPC C08F4/46 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C08F4/46 (Chemistry & Metallurgy)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/46 growing?
- Publication counts under this code: 2 in 2022 vs 1 in 2024 (latest complete years).