Cyanate ester compound, curable resin composition containing said compound, and cured product of said composition
US-10160824-B2 · Dec 25, 2018 · US
Condensation polymers of aldehydes or ketones with monomers covered by at least two of the groups C08L61/04, C08L61/18 and C08L61/20
Condensation polymers of aldehydes or ketones with monomers covered by at least two of the groups C08L61/04, C08L61/18 and C08L61/20 · 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 | C08L61/34 |
| Official title | Condensation polymers of aldehydes or ketones with monomers covered by at least two of the groups C08L61/04, C08L61/18 and C08L61/20 |
| Display label | Condensation polymers of aldehydes or ketones with monomers covered by at least two of the groups C08L61/04, C08L61/18 and C08L61/20 |
| Total patents | 151 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 22 |
| 2017 | 20 |
| 2018 | 22 |
| 2019 | 19 |
| 2020 | 17 |
| 2021 | 10 |
| 2022 | 6 |
| 2023 | 8 |
| 2024 | 10 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Oxazine compound, composition and cured product
US-2018362479-A1 · Dec 20, 2018 · US
Core-shell particle-based security pigment and method for production thereof
US-2018320014-A1 · Nov 8, 2018 · US
Polymers, composites, and methods for making polymers and composites
US-2018298137-A9 · Oct 18, 2018 · US
Resin composition, prepreg, metal-foil-clad laminate, resin composite sheet, and printed wiring board
US-9974169-B2 · May 15, 2018 · US
Resins and compositions for high temperature applications
US-2018127537-A1 · May 10, 2018 · US
Halogen-free resin composition, and a prepreg and a laminate used for printed circuit using the same
US-9963590-B2 · May 8, 2018 · US
Cyanate ester compound, curable resin composition containing the compound, and hardened product thereof
US-2018105488-A1 · Apr 19, 2018 · US
Dispersing additive for asphaltenes and its uses
US-2018079976-A1 · Mar 22, 2018 · US
Resin composition, conductive resin composition, adhesive, conductive adhesive, paste for forming electrodes, and semiconductor device
US-2018051126-A1 · Feb 22, 2018 · US
Halogen-free resin composition and uses thereof
US-9840620-B2 · Dec 12, 2017 · US
Epoxy resin composition and cured product thereof
US-2017320994-A1 · Nov 9, 2017 · US
Halogen-Free Epoxy Resin Composition, Prepreg, Laminate and Printed Circuit Board Containing the Same
US-2017298218-A1 · Oct 19, 2017 · US
Halogen-free epoxy resin composition, prepreg, laminate and printed circuit board containing the same
US-2017283610-A1 · Oct 5, 2017 · US
Resin composition for printed circuit board, prepreg, resin composite sheet and metal foil clad laminate
US-2017238418-A1 · Aug 17, 2017 · US
Cyanic acid ester compound and method for producing same, resin composition, and cured product
US-2017226263-A1 · Aug 10, 2017 · US
Resin composition, prepreg, metal-foil-clad laminate, resin composite sheet, and printed wiring board
US-2017231090-A1 · Aug 10, 2017 · US
Halogen-Free Resin Composition and Prepreg and Laminated Board Prepared Therefrom
US-2017198135-A1 · Jul 13, 2017 · US
Composite maillard-resole binders
US-2017190902-A1 · Jul 6, 2017 · US
Method of curing thermosetting resin composition, thermosetting resin composition, and prepreg, metal-clad laminate, resin sheet, printed-wiring board, and sealing material in which thermosetting resin composition is used
US-2017190875-A1 · Jul 6, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08L61/34?
- CPC C08L61/34 is the Cooperative Patent Classification code for “Condensation polymers of aldehydes or ketones with monomers covered by at least two of the groups C08L61/04, C08L61/18 and C08L61/20.”
- How many patents are filed under CPC C08L61/34 (Condensation polymers of aldehydes or ketones with monomers covered by at least two of the groups C08L61/04, C08L61/18 and C08L61/20)?
- Our database includes 151 publications tagged with this CPC code.
- Is patent activity under CPC C08L61/34 growing?
- Publication counts under this code: 10 in 2024 vs 8 in 2025 (latest complete years).