Interlayer film for laminated glass and laminated glass
US-11691392-B2 · Jul 4, 2023 · US
Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O— (of cyclic oligomers of aldehydes C08G2/00)
Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O— (of cyclic oligomers of aldehydes C08G2/00) · 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 | C08G4/00 |
| Official title | Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O— (of cyclic oligomers of aldehydes C08G2/00) |
| Display label | Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O— (of cyclic oligomers of aldehydes C08G2/00) |
| Total patents | 70 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 17 |
| 2017 | 9 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Packaging coating system
US-2023092917-A1 · Mar 23, 2023 · US
Lithium selective organogels
US-2023072446-A1 · Mar 9, 2023 · US
Production of ketone-based biopolymers from catalytic fast pyrolysis of biomass
US-11498998-B2 · Nov 15, 2022 · US
Poly(acetal) elastomers
US-11492439-B2 · Nov 8, 2022 · US
Encapsulation resin
US-2022332880-A1 · Oct 20, 2022 · US
Polyvinyl ester formulations, methods of making the same roofing materials and roofing systems including the same
US-2022227990-A1 · Jul 21, 2022 · US
Interlayer film for laminated glass and laminated glass
US-2022105711-A1 · Apr 7, 2022 · US
Use of Biomass to Produce Polyoxymethylene Copolymers
US-2022049043-A1 · Feb 17, 2022 · US
Polyacetal resin composition
US-11142637-B2 · Oct 12, 2021 · US
System and method for molding amorphous polyether ether ketone
US-10994460-B2 · May 4, 2021 · US
Process for producing dimethoxymethane oligomers
US-10988564-B2 · Apr 27, 2021 · US
Cross-linked polymeric resin and methods of use
US-10844156-B2 · Nov 24, 2020 · US
Compound, resin, composition, resist pattern formation method, circuit pattern formation method and method for purifying resin
US-2020361843-A1 · Nov 19, 2020 · US
Polyacetal resin composition
US-2020291223-A1 · Sep 17, 2020 · US
Production of ketone-based biopolymers from catalytic fast pyrolysis of biomass
US-2020291163-A1 · Sep 17, 2020 · US
System and method for molding amorphous polyether ether ketone
US-10576674-B2 · Mar 3, 2020 · US
Cross-linked polymeric resin and methods of use
US-2019284323-A1 · Sep 19, 2019 · US
Process for producing dimethoxymethane oligomers
US-2019276579-A1 · Sep 12, 2019 · US
Processes for increasing density of polymer flakes and powders
US-10377846-B2 · Aug 13, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G4/00?
- CPC C08G4/00 is the Cooperative Patent Classification code for “Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O— (of cyclic oligomers of aldehydes C08G2/00).”
- How many patents are filed under CPC C08G4/00 (Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O— (of cyclic oligomers of aldehydes C08G2/00))?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC C08G4/00 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).