Process for preparing an aqueous dispersion of polymeric microspheres
US-2018327562-A1 · Nov 15, 2018 · US
Redox systems
Redox systems · 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 | C08F4/40 |
| Official title | Redox systems |
| Display label | Redox systems |
| Total patents | 272 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 20 |
| 2017 | 15 |
| 2018 | 18 |
| 2019 | 24 |
| 2020 | 32 |
| 2021 | 27 |
| 2022 | 38 |
| 2023 | 26 |
| 2024 | 26 |
| 2025 | 25 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Redox polymerizable composition with photolabile transition metal complexes
US-2018311114-A1 · Nov 1, 2018 · US
Redox polymerizable composition with photolabile reducing agents
US-2018312613-A1 · Nov 1, 2018 · US
Polyamide nanoparticles and uses thereof
US-10072161-B2 · Sep 11, 2018 · US
Compositions and methods of promoting organic photocatalysis
US-2018237550-A1 · Aug 23, 2018 · US
Vinyl acetate-ethylene copolymer emulsion and method for producing same
US-2018194921-A1 · Jul 12, 2018 · US
Aqueous ATRP in the presence of an activator regenerator
US-9982070-B2 · May 29, 2018 · US
Self-repairing material and manufacturing method therefor
US-2018133986-A1 · May 17, 2018 · US
Method for producing alkenyl ether polymer
US-2018118869-A1 · May 3, 2018 · US
Non-fouling, anti-microbial, anti-thrombogenic graft—from compositions
US-9895470-B2 · Feb 20, 2018 · US
Polymerization of diene monomers
US-9862789-B2 · Jan 9, 2018 · US
Reactive resin composition and use of the same
US-2017369373-A1 · Dec 28, 2017 · US
Method of preparing heat-resistant resin, heat-resistant resin and heat-resistant ABS resin composition
US-9845370-B2 · Dec 19, 2017 · US
Method for preparing a dry cationic hydrogel polymer product, polymer product and its use
US-2017320979-A1 · Nov 9, 2017 · US
Method for producing conjugated diene polymer
US-2017313802-A1 · Nov 2, 2017 · US
Antimicrobial polymer emulsion with improved color stability
US-9790376-B2 · Oct 17, 2017 · US
Using organic photoredox catalysts to achieve metal free photoregulated controlled radical polymerization
US-2017240660-A1 · Aug 24, 2017 · US
Composite material, and polymer coating material precursor produced using same
US-9732249-B2 · Aug 15, 2017 · US
Method for preparing weather resistant reinforced acrylate based resin
US-9683069-B2 · Jun 20, 2017 · US
Electrochemically mediated atom transfer radical polymerization
US-9644042-B2 · May 9, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/40?
- CPC C08F4/40 is the Cooperative Patent Classification code for “Redox systems.”
- How many patents are filed under CPC C08F4/40 (Redox systems)?
- Our database includes 272 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/40 growing?
- Publication counts under this code: 26 in 2024 vs 25 in 2025 (latest complete years).