Epoxy resin composition, and film, prepreg, and fiber-reinforced plastic using same
US-10501618-B2 · Dec 10, 2019 · US
Compounds containing acyclic nitrogen atoms
Compounds containing acyclic nitrogen atoms · 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 | C08G59/3227 |
| Official title | {Compounds containing acyclic nitrogen atoms} |
| Display label | Compounds containing acyclic nitrogen atoms |
| Total patents | 204 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 11 |
| 2017 | 12 |
| 2018 | 14 |
| 2019 | 25 |
| 2020 | 15 |
| 2021 | 31 |
| 2022 | 22 |
| 2023 | 16 |
| 2024 | 24 |
| 2025 | 14 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Prepreg for use in making composite parts which tolerate hot and wet conditions
US-10472479-B2 · Nov 12, 2019 · US
Epoxy resin composition, prepreg, and carbon fiber-reinforced composite material
US-10400076-B2 · Sep 3, 2019 · US
Epoxy resin compositions for production of storage-stable composites
US-10392469-B2 · Aug 27, 2019 · US
Prepreg for use in making composite parts which tolerate hot and wet conditions
US-2019233601-A1 · Aug 1, 2019 · US
Thermoset Resin Composite Materials Comprising Inter-Laminar Toughening Particles
US-2019169422-A1 · Jun 6, 2019 · US
Epoxy resin composition, prepreg, and carbon fiber-reinforced composite material
US-10280251-B2 · May 7, 2019 · US
Electroconductive member for electrophotography and quaternary ammonium salt
US-10280148-B2 · May 7, 2019 · US
Two-part liquid shim compositions
US-10233280-B2 · Mar 19, 2019 · US
Toughened epoxy resin composition
US-2019040182-A1 · Feb 7, 2019 · US
Curable composition, cured object, overcoat film, coated flexible wiring board, and process for producing same
US-2018355195-A1 · Dec 13, 2018 · US
Epoxy resin composition, prepreg for fiber-reinforced composite material, and fiber-reinforced composite material
US-2018319929-A1 · Nov 8, 2018 · US
Epoxy resin composition, prepreg, and fiber reinforced material
US-2018251617-A1 · Sep 6, 2018 · US
Porous particle, method for producing porous particle, and block copolymer
US-2018223067-A1 · Aug 9, 2018 · US
Epoxy resin composition, fiber reinforced composite material, molded article, and pressure vessel
US-2018186946-A1 · Jul 5, 2018 · US
Epoxy resin composition, prepreg, fiber reinforced plastic material, and manufacturing method for fiber reinforced plastic material
US-9982086-B2 · May 29, 2018 · US
Epoxy resin composition, prepreg and fiber-reinforced composite material
US-2018134837-A1 · May 17, 2018 · US
Epoxy resin composition for fiber reinforced composite material, prepreg, and fiber reinforced composite material
US-9957387-B2 · May 1, 2018 · US
Adhesive compositions
US-9932503-B2 · Apr 3, 2018 · US
Epoxy resin composition, prepreg, and carbon fiber-reinforced composite material
US-2018051125-A1 · Feb 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G59/3227?
- CPC C08G59/3227 is the Cooperative Patent Classification code for “Compounds containing acyclic nitrogen atoms.”
- How many patents are filed under CPC C08G59/3227 (Compounds containing acyclic nitrogen atoms)?
- Our database includes 204 publications tagged with this CPC code.
- Is patent activity under CPC C08G59/3227 growing?
- Publication counts under this code: 24 in 2024 vs 14 in 2025 (latest complete years).