Fluoropolymer-containing composite materials and methods
US-12552881-B2 · Feb 17, 2026 · US
Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen derivatives only
Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen derivatives only · 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 | C08L61/18 |
| Official title | Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen derivatives only |
| Display label | Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen derivatives only |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Release agent composition for photoirradiation release, laminate, and method for producing processed semiconductor substrate
US-2026011598-A1 · Jan 8, 2026 · US
Fluoropolymer-Containing Composite Materials and Methods
US-2025361342-A1 · Nov 27, 2025 · US
Epoxy resin composition and cured product of same
US-12404363-B2 · Sep 2, 2025 · US
Epoxy resin composition and cured product of same
US-2025171581-A1 · May 29, 2025 · US
Emulsion-type epoxy resin composition, method for producing same, and coating material
US-2024425696-A1 · Dec 26, 2024 · US
Binder composition for electrochemical device positive electrode, conductive material dispersion liquid for electrochemical device positive electrode, slurry composition for electrochemical device positive electrode, positive electrode for electrochemical device, and electrochemical device
US-2024347732-A1 · Oct 17, 2024 · US
Microporous crosslinked polymer membrane and process for fabricating the same
US-2024342645-A1 · Oct 17, 2024 · US
Resin composition, prepreg, resin sheet, laminate, metal foil-clad laminate, and printed wiring board
US-2024254360-A1 · Aug 1, 2024 · US
Anion exchange polymers and membranes for electrolysis
US-2024110025-A1 · Apr 4, 2024 · US
Low ceiling temperature homopolymers as sacrificial protection layers for environmentally sensitive substrates
US-2023295412-A1 · Sep 21, 2023 · US
Process for preparing particles of aromatic polymers, particles obtainable by said process and their uses
US-11685829-B2 · Jun 27, 2023 · US
Foam molding composition, foam molded body, electric wire, method for producing foam molded body and method for producing electric wire
US-2023183450-A1 · Jun 15, 2023 · US
Fluoropolymer-Containing Composite Materials and Methods
US-2023159677-A1 · May 25, 2023 · US
Proton exchange membrane material and methods of making the same
US-11621433-B2 · Apr 4, 2023 · US
Composition for forming resist underlayer film having improved flattening properties
US-11287742-B2 · Mar 29, 2022 · US
Glass fiber-reinforced resin molded article
US-11091596-B2 · Aug 17, 2021 · US
Glass fiber-reinforced resin molded article
US-2021087344-A1 · Mar 25, 2021 · US
Composition for forming film protecting against aqueous hydrogen peroxide solution
US-10894887-B2 · Jan 19, 2021 · US
Tire sidewalls including high molecular weight waxes
US-10836209-B2 · Nov 17, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08L61/18?
- CPC C08L61/18 is the Cooperative Patent Classification code for “Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen derivatives only.”
- How many patents are filed under CPC C08L61/18 (Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen derivatives only)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC C08L61/18 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).