Separator, battery cell, battery, and electric device
US-2025349981-A1 · Nov 13, 2025 · US
Copolymerisation of aldehydes or ketones
Copolymerisation of aldehydes or ketones · 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 | C08G2/18 |
| Official title | Copolymerisation of aldehydes or ketones |
| Display label | Copolymerisation of aldehydes or ketones |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing oxymethylene copolymer and method for producing molded article
US-2024343854-A1 · Oct 17, 2024 · US
Polyoxymethylene and method of producing same
US-11981772-B2 · May 14, 2024 · US
Oxymethylene-copolymer manufacturing method
US-11965058-B2 · Apr 23, 2024 · US
Polyoxymethylene and method of producing same
US-2022033558-A1 · Feb 3, 2022 · US
Process for producing polyoxymethylene polymers having intermediate chain length
US-2022002467-A1 · Jan 6, 2022 · US
Method for the production of stable polyoxymethylene copolymers (cpom)
US-2021292461-A1 · Sep 23, 2021 · US
Oxymethylene-copolymer manufacturing method
US-2020362085-A1 · Nov 19, 2020 · US
Polymer, organic layer composition, and method of forming patterns
US-10556986-B2 · Feb 11, 2020 · US
Process for production of oxymethylene copolymer
US-10138321-B2 · Nov 27, 2018 · US
Process for production of oxymethylene copolymer
US-2018265617-A1 · Sep 20, 2018 · US
Isohexide-diacetal based polymers and a process thereof
US-9815934-B2 · Nov 14, 2017 · US
Process for preparing polyoxymethylene
US-9765172-B2 · Sep 19, 2017 · US
Polymer containing aldehyde groups, reaction and crosslinking of this polymer, crosslinked polymer, and electroluminescent device comprising this polymer
US-9728724-B2 · Aug 8, 2017 · US
Production method for polyacetal copolymer
US-9657136-B2 · May 23, 2017 · US
Polymer, organic layer composition, and method of forming patterns
US-2017114181-A1 · Apr 27, 2017 · US
Production method for polyacetal copolymer
US-2016280852-A1 · Sep 29, 2016 · US
Aromatic polyacetals and articles comprising them
US-9410016-B2 · Aug 9, 2016 · US
Method for producing oxymethylene copolymer
US-2016145384-A1 · May 26, 2016 · US
Process for preparing polyoxymethylene
US-2016115270-A1 · Apr 28, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G2/18?
- CPC C08G2/18 is the Cooperative Patent Classification code for “Copolymerisation of aldehydes or ketones.”
- How many patents are filed under CPC C08G2/18 (Copolymerisation of aldehydes or ketones)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC C08G2/18 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).