Polymer brushes with chain-ends functionalized with metal coordinating two hetero elements for selective surface modification
US-2026042873-A1 · Feb 12, 2026 · US
of alkali metals
of alkali metals · 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 | C08F4/08 |
| Official title | of alkali metals |
| Display label | of alkali metals |
| Total patents | 44 |
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 | 4 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 8 |
| 2019 | 3 |
| 2020 | 8 |
| 2021 | 8 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Glycidyl-containing polymers, polymer compositions comprising them and their use in electrochemical cells
US-12540207-B2 · Feb 3, 2026 · US
Heavy metal- and odour-free nanoparticulate compositions
US-11970563-B2 · Apr 30, 2024 · US
Liquid butadiene-styrene polymer, preparation method for same and application of same, as well as composition, polymer coating, adhesive, and cross-linking agent
US-2024002569-A1 · Jan 4, 2024 · US
Modification initiator and modified conjugated diene-based polymer including the same
US-11773191-B2 · Oct 3, 2023 · US
Polymer production method and radical polymerization initiating group-containing compound
US-11746178-B2 · Sep 5, 2023 · US
Method for preparing 2-cyanoethyl group-containing polymer
US-11434314-B2 · Sep 6, 2022 · US
Polymer production method and radical polymerization initiating group-containing compound
US-2021261713-A1 · Aug 26, 2021 · US
Glycidyl-containing polymers, polymer compositions comprising them and their use in electrochemical cells
US-2021189036-A1 · Jun 24, 2021 · US
Preparation method of anionic polymerization initiator, device for manufacturing anionic polymerization initiator and anionic polymerization initiator prepared therefrom
US-11028189-B2 · Jun 8, 2021 · US
Catalyst composition for preparing conjugated diene-based polymer and conjugated diene-based polymer prepared using the same
US-10995165-B2 · May 4, 2021 · US
Modification initiator and modified conjugated diene-based polymer including the same
US-10995157-B2 · May 4, 2021 · US
Polymer production method and radical polymerization initiating group-containing compound
US-10982033-B2 · Apr 20, 2021 · US
Method for Preparing 2-Cyanoethyl Group-Containing Polymer
US-2021054114-A1 · Feb 25, 2021 · US
Heavy metal- and odour-free nanoparticulate compositions
US-2021002408-A1 · Jan 7, 2021 · US
Process for preparing an aqueous dispersion of polymeric microspheres
US-10865276-B2 · Dec 15, 2020 · US
Catalyst composition for preparing conjugated diene-based polymer and conjugated diene-based polymer preparing using the same
US-10836850-B2 · Nov 17, 2020 · US
Process for preparing an aqueous dispersion of polymeric microspheres
US-2020283572-A1 · Sep 10, 2020 · US
Process for preparing an aqueous dispersion of polymeric microspheres
US-10723838-B2 · Jul 28, 2020 · US
Catalyst Composition For Preparing Conjugated Diene-based Polymer And Conjugated Diene-based Polymer Preparing Using The Same
US-2020123289-A1 · Apr 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/08?
- CPC C08F4/08 is the Cooperative Patent Classification code for “of alkali metals.”
- How many patents are filed under CPC C08F4/08 (of alkali metals)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/08 growing?
- Publication counts under this code: 2 in 2023 vs 2 in 2024 (latest complete years).