Diimine metal complex, preparation method therefor, and application thereof
US-12454586-B2 · Oct 28, 2025 · US
NN
NN · 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 | C08F4/7006 |
| Official title | {NN} |
| Display label | NN |
| 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 | 1 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 9 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Branched olefin polymer, preparation method therefor and use thereof
US-2024199771-A1 · Jun 20, 2024 · US
Method for preparing supported olefin polymerization catalyst, resulting catalyst and application thereof
US-2024166774-A1 · May 23, 2024 · US
Light as catalytic switch: metal-organic insertion/light initiated radical (MILRad) polymerization
US-11987652-B2 · May 21, 2024 · US
Imine-based ligand-containing complex catalyst for polymerizing cyclic olefinic monomer, and method for preparing cyclic olefinic polymer using same
US-2024124624-A1 · Apr 18, 2024 · US
Process for the preparation of polyisoprene with a mainly alternating cis-1,4- alt-3,4 structure in the presence of a catalytic system comprising a pyridyl iron complex
US-11746167-B2 · Sep 5, 2023 · US
LIGHT AS CATALYTIC SWITCH: METAL-ORGANIC INSERTION/LIGHT INITIATED RADICAL (MILRad) POLYMERIZATION
US-2023117728-A1 · Apr 20, 2023 · US
Processes for polymerizing internal olefins and compositions thereof
US-11591419-B2 · Feb 28, 2023 · US
Olefin-olefinic alcohol copolymer, and preparation method therefor
US-11584843-B2 · Feb 21, 2023 · US
Diimine metal complex, preparation method therefor, and application thereof
US-2022282005-A1 · Sep 8, 2022 · US
Fluorine-containing alternating copolymer macromonomer and synthesis method thereof
US-11365267-B2 · Jun 21, 2022 · US
Low pressure process for preparing low-density polyethylene
US-11332552-B2 · May 17, 2022 · US
Fluorine-containing alternating copolymer macromonomer and synthesis method thereof
US-2021403612-A1 · Dec 30, 2021 · US
Nanotracer for oil recovery and method of preparation thereof
US-10995610-B2 · May 4, 2021 · US
Process for the preparation of syndiotactic 1,2-polybutadiene in the presence of a catalytic system comprising a pyridyl iron complex
US-10954326-B2 · Mar 23, 2021 · US
Process for the preparation of polyisoprene with a mainly alternating cis-1,4- alt-3,4 structure in the presence of a catalytic system comprising a pyridyl iron complex
US-2020369805-A1 · Nov 26, 2020 · US
Method for producing oligomer and catalyst
US-10815317-B2 · Oct 27, 2020 · US
Spherical supported transition metal catalyst
US-10808052-B2 · Oct 20, 2020 · US
Olefin-olefinic alcohol copolymer, and preparation method therefor
US-2020325315-A1 · Oct 15, 2020 · US
Process for preparing conjugated diene (co)polymers in the presence of a catalytic system comprising a pyridyl iron (III) complex
US-10793653-B2 · Oct 6, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/7006?
- CPC C08F4/7006 is the Cooperative Patent Classification code for “NN.”
- How many patents are filed under CPC C08F4/7006 (NN)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/7006 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).