Formaldehyde-scavenging formulation
US-2025332568-A1 · Oct 30, 2025 · US
Homopolymers or copolymers of vinylamine
Homopolymers or copolymers of vinylamine · 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 | C08L39/02 |
| Official title | Homopolymers or copolymers of vinylamine |
| Display label | Homopolymers or copolymers of vinylamine |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 9 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluid set for inkjet printing
US-12421406-B2 · Sep 23, 2025 · US
Flocculant for catalytic decomposition of flue gas desulfurization wastewater treatment
US-12291471-B2 · May 6, 2025 · US
Agent for raising melting temperature (tm value) of nucleic acid
US-2025075035-A1 · Mar 6, 2025 · US
Electrically conductive polymer composition and method for stably storing electrically conductive polymer solution
US-12119135-B2 · Oct 15, 2024 · US
Aqueous formulation comprising at least one aqueous hydrophobizing agent for production of aqueous coating compositions having improved early rain resistance
US-2024287324-A1 · Aug 29, 2024 · US
Ink set, image recording method, method of producing laminate, image recorded material, and laminate
US-11939483-B2 · Mar 26, 2024 · US
Substrate cleaning device and substrate cleaning method
US-2024082881-A1 · Mar 14, 2024 · US
Resin particles comprising a biodegradable resin and a specific amount of a metal element
US-11879040-B2 · Jan 23, 2024 · US
Formaldehyde-scavenging formulation
US-2024002683-A1 · Jan 4, 2024 · US
Flocculant for Catalytic Decomposition of Flue Gas Desulfurization Wastewater Treatment
US-2023183110-A1 · Jun 15, 2023 · US
Fluid Set for Inkjet Printing
US-2023167319-A1 · Jun 1, 2023 · US
Compositions containing derivatized polyamines
US-11649346-B2 · May 16, 2023 · US
Process for manufacturing paper or cardboard
US-2022356650-A1 · Nov 10, 2022 · US
Combined use of polyol esters and cationic polyelectrolytes in aqueous polyurethane dispersions
US-2022315797-A1 · Oct 6, 2022 · US
Resin particles
US-2022306818-A1 · Sep 29, 2022 · US
Combined use of polyol ethers and cationic polyelectrolytes in aqueous polyurethane dispersions
US-2022259429-A1 · Aug 18, 2022 · US
Electrically conductive polymer composition and method for stably storing electrically conductive polymer solution
US-2022215981-A1 · Jul 7, 2022 · US
Aqueous compositions and inkjet receiving media
US-2022119666-A1 · Apr 21, 2022 · US
Transparent conductive substrate and method for producing same
US-11154902-B2 · Oct 26, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08L39/02?
- CPC C08L39/02 is the Cooperative Patent Classification code for “Homopolymers or copolymers of vinylamine.”
- How many patents are filed under CPC C08L39/02 (Homopolymers or copolymers of vinylamine)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC C08L39/02 growing?
- Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).