Aldehyde-ketone polymer, electrode plate and related battery cell, battery and electrical device
US-2025391907-A1 · Dec 25, 2025 · US
Polyacetals
Polyacetals · 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 | C08G18/56 |
| Official title | Polyacetals |
| Display label | Polyacetals |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Films comprising aliphatic thermoplastic polyurethanes and polyvinyl acetals useful as auto wraps
US-2025353978-A1 · Nov 20, 2025 · US
Reinforced Polyoxymethylene Polymer Compositions
US-2025346739-A1 · Nov 13, 2025 · US
Films comprising polyurethanes and plasticized polyvinyl acetals that are useful as auto wraps
US-2025179335-A1 · Jun 5, 2025 · US
Thermoplastic polyurethane compositions comprising aliphatic thermoplastic polyurethanes that are useful as auto wraps
US-2024359426-A1 · Oct 31, 2024 · US
Films comprising aliphatic thermoplastic polyurethanes and polyvinyl acetals useful as paint protection films
US-2024351320-A1 · Oct 24, 2024 · US
Method for producing polyoxymethylene polyoxyalkylene block copolymers
US-12091492-B2 · Sep 17, 2024 · US
Isocyanate-terminated prepolymers based on polyoxymethylene-polyoxyalkylene block copolymers, process for the preparation and use thereof
US-2023235110-A1 · Jul 27, 2023 · US
Process for producing polyoxymethylene-polyoxyalkylene copolymers
US-2023212352-A1 · Jul 6, 2023 · US
Urethane acrylic hybrid polymer dispersion with robust dry/wet adhesion and basecoats prepared therefrom
US-2022315688-A1 · Oct 6, 2022 · US
Urethane acrylic hybrid polymer dispersion with robust dry/wet adhesion and basecoats prepared therefrom
US-11396570-B2 · Jul 26, 2022 · US
Process for producing polyoxymethylene-polyalkylene oxide block copolymers
US-2022119579-A1 · Apr 21, 2022 · US
Isocyanate-terminated prepolymers for the production of integral polyurethane foams
US-2022106431-A1 · Apr 7, 2022 · US
Method for producing polyoxymethylene polyoxyalkylene block copolymers
US-2022049042-A1 · Feb 17, 2022 · US
Process for preparing prepolymers that comprise a polyoxymethlyene block
US-2021395430-A1 · Dec 23, 2021 · US
One-component aqueous coating compositions containing polyurethane and phyllosilicates for oxygen barrier coatings
US-11136463-B2 · Oct 5, 2021 · US
Method for producing polyurethane polymers with reduced heat value
US-2020362090-A1 · Nov 19, 2020 · US
Quaternary ammonium compound, and agent for suppression of generation of volatile organic compound from polyacetal by use of the same
US-10815190-B2 · Oct 27, 2020 · US
One-component aqueous coating compositions containing polyurethane and phyllosilicates for oxygen barrier coatings
US-2020291262-A1 · Sep 17, 2020 · US
Process for the production of polyoxymethylene block copolymers
US-10759902-B2 · Sep 1, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G18/56?
- CPC C08G18/56 is the Cooperative Patent Classification code for “Polyacetals.”
- How many patents are filed under CPC C08G18/56 (Polyacetals)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC C08G18/56 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).