Symmetrical polyolefin block copolymer and preparation method therefor
US-11965051-B2 · Apr 23, 2024 · US
Component covered by group C08F4/60 containing a transition metal-carbon bond {(C08F4/60003 - C08F4/60196 take precedence)}
Component covered by group C08F4/60 containing a transition metal-carbon bond {(C08F4/60003 - C08F4/60196 take precedence)} · 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 | C08F4/619 |
| Official title | Component covered by group C08F4/60 containing a transition metal-carbon bond {(C08F4/60003 - C08F4/60196 take precedence)} |
| Display label | Component covered by group C08F4/60 containing a transition metal-carbon bond {(C08F4/60003 - C08F4/60196 take precedence)} |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 9 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 5 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of preparing conjugated diene-based polymer and apparatus for preparing conjugated diene-based polymer
US-11370858-B2 · Jun 28, 2022 · US
Block copolymer and method for preparing the same
US-2022144976-A1 · May 12, 2022 · US
Transition metal complex for use in or as a catalyst for olefin polymerization
US-11312795-B2 · Apr 26, 2022 · US
Method of preparing conjugated diene-based polymer and apparatus for preparing conjugated diene-based polymer
US-11299565-B2 · Apr 12, 2022 · US
Block copolymer and method for preparing the same
US-11279776-B2 · Mar 22, 2022 · US
Symmetrical polyolefin block copolymer and preparation method therefor
US-2021371570-A1 · Dec 2, 2021 · US
Multi-component polar olefin copolymer and method for producing the same
US-11168166-B2 · Nov 9, 2021 · US
Amido-benzoquinone catalyst systems and processes thereof
US-11091567-B2 · Aug 17, 2021 · US
Methods to prepare catalysts for in-line bulk polymerization
US-10954327-B2 · Mar 23, 2021 · US
Encapsulated catalyst and methods of olefin polymerization
US-10947330-B2 · Mar 16, 2021 · US
Multi-component polar olefin copolymer and method for producing the same
US-2020385502-A1 · Dec 10, 2020 · US
Amido-Benzoquinone Catalyst Systems and Processes Thereof
US-2020325254-A1 · Oct 15, 2020 · US
Encapsulated catalyst and methods of olefin polymerization
US-2020223957-A1 · Jul 16, 2020 · US
Method of Preparing Conjugated Diene-Based Polymer and Apparatus for Preparing Conjugated Diene-Based Polymer
US-2020207888-A1 · Jul 2, 2020 · US
Block copolymer and method for preparing the same
US-2020095363-A1 · Mar 26, 2020 · US
Transition metal complex for use in or as a catalyst for olefin polymerization
US-2020087425-A1 · Mar 19, 2020 · US
Method of Preparing Conjugated Diene-Based Polymer and Apparatus for Preparing Conjugated Diene-Based Polymer
US-2019389984-A1 · Dec 26, 2019 · US
Methods To Prepare Catalysts For In-Line Bulk Polymerization
US-2019256627-A1 · Aug 22, 2019 · US
Functionalized elastomer containing a nitrogen group
US-10087275-B2 · Oct 2, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/619?
- CPC C08F4/619 is the Cooperative Patent Classification code for “Component covered by group C08F4/60 containing a transition metal-carbon bond {(C08F4/60003 - C08F4/60196 take precedence)}.”
- How many patents are filed under CPC C08F4/619 (Component covered by group C08F4/60 containing a transition metal-carbon bond {(C08F4/60003 - C08F4/60196 take precedence)})?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/619 growing?
- Publication counts under this code: 5 in 2022 vs 1 in 2024 (latest complete years).