Polymer resin compound, method for producing same, and photosensitive resin composition comprising same
US-12577393-B2 · Mar 17, 2026 · US
and cyclic ethers
and cyclic ethers · 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 | C08G64/302 |
| Official title | {and cyclic ethers} |
| Display label | and cyclic ethers |
| Total patents | 45 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
New polymers for battery applications
US-2025297061-A1 · Sep 25, 2025 · US
Polycarbonate resin, method for producing same, polycarbonate resin composition and molded body
US-12359062-B2 · Jul 15, 2025 · US
Resin and Method for Preparing the Same
US-2025163215-A1 · May 22, 2025 · US
Polycarbonate copolymer, method for preparing same, and composition comprising same
US-12269921-B2 · Apr 8, 2025 · US
Biodegradable polycarbonate copolymer comprising units derived from anhydrosugar alcohol, anhydrosugar alcohol-alkylene glycol, and aromatic diol, method for producing same, and molded product comprising same
US-2025101173-A1 · Mar 27, 2025 · US
Polycarbonate copolymer, method for preparing same, and composition comprising same
US-2025019495-A1 · Jan 16, 2025 · US
Solid polymer electrolyte including crosslinked polymer of lactone/cyclic carbonate, and method of preparing the same
US-12176483-B2 · Dec 24, 2024 · US
Purification process for polyether-carbonate polyols
US-12146027-B2 · Nov 19, 2024 · US
Polycarbonate diol and producing method thereof, and polyurethane and active energy ray-curable polymer composition both formed using same
US-2024301114-A1 · Sep 12, 2024 · US
Polycarbonate resin, method for producing the same, and optical lens
US-11952460-B2 · Apr 9, 2024 · US
Polymer resin compound, method for producing same, and photosensitive resin composition comprising same
US-2023235169-A1 · Jul 27, 2023 · US
Molded product manufactured from high heat resistant polycarbonate ester
US-11590682-B2 · Feb 28, 2023 · US
Copolymerized polycarbonate resin, and heat storage material and heat storage molded body containing same
US-2023024196-A1 · Jan 26, 2023 · US
Polycarbonate resin, method for producing the same, and optical lens
US-2022380532-A1 · Dec 1, 2022 · US
Polycarbonate resin, method for producing same, polycarbonate resin composition and molded body
US-2022356346-A1 · Nov 10, 2022 · US
Crystalline polythiocarbonate and preparation method therefor
US-11492447-B2 · Nov 8, 2022 · US
Polycarbonate resin, method for producing the same, and optical lens
US-11434327-B2 · Sep 6, 2022 · US
Crystalline polythiocarbonate and preparation method therefor
US-2022106445-A1 · Apr 7, 2022 · US
Purification process for polyether-carbonate polyols
US-2022089813-A1 · Mar 24, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G64/302?
- CPC C08G64/302 is the Cooperative Patent Classification code for “and cyclic ethers.”
- How many patents are filed under CPC C08G64/302 (and cyclic ethers)?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC C08G64/302 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).