Glass composition for glass fibers, glass fibers, glass fiber fabric, and glass fiber-reinforced resin composition
US-2022402810-A1 · Dec 22, 2022 · US
Polyureas; Polyurethanes
Polyureas; Polyurethanes · 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 | C03C25/326 |
| Official title | Polyureas; Polyurethanes |
| Display label | Polyureas; Polyurethanes |
| Total patents | 105 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 7 |
| 2017 | 3 |
| 2018 | 11 |
| 2019 | 9 |
| 2020 | 9 |
| 2021 | 10 |
| 2022 | 17 |
| 2023 | 12 |
| 2024 | 16 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing optical fiber with oxygen-strengthened UV-resin coating
US-11428866-B2 · Aug 30, 2022 · US
Optical fiber and method for manufacturing optical fiber
US-11372155-B2 · Jun 28, 2022 · US
Method for manufacturing optical fiber
US-2022185721-A1 · Jun 16, 2022 · US
Method for manufacturing optical fiber ribbon, optical fiber ribbon, and optical cable
US-11256056-B2 · Feb 22, 2022 · US
Resin composition, optical fiber secondary coating material, optical fiber and manufacturing method of optical fiber
US-2022026631-A1 · Jan 27, 2022 · US
Composite rebar
US-2021388616-A1 · Dec 16, 2021 · US
Method for manufacturing optical fiber ribbon, optical fiber ribbon, and optical cable
US-2021191061-A1 · Jun 24, 2021 · US
Optical fiber
US-2021181411-A1 · Jun 17, 2021 · US
Methods and apparatuses for uv curing of optical fiber coatings
US-2021094873-A1 · Apr 1, 2021 · US
Optical fiber and method for manufacturing optical fiber
US-2021088719-A1 · Mar 25, 2021 · US
Sound absorbing material
US-10943576-B2 · Mar 9, 2021 · US
Resin composition, optical fiber and method for manufacturing optical fiber
US-2021053870-A1 · Feb 25, 2021 · US
Resin composition, optical fiber and method for manufacturing optical fiber
US-2021024772-A1 · Jan 28, 2021 · US
Radiation curable compositions for coating optical fiber with enhanced high-speed processability
US-10894858-B2 · Jan 19, 2021 · US
Monochromatic actinic radiation curable coatings for optical fiber
US-10889732-B2 · Jan 12, 2021 · US
Radiation curable compositions for coating optical fiber with enhanced high-speed processability
US-2020369822-A1 · Nov 26, 2020 · US
Fiber coatings with low pullout force
US-10775557-B2 · Sep 15, 2020 · US
Polyurethane based resins for filament winding
US-2020270452-A1 · Aug 27, 2020 · US
Resin composition and optical fiber
US-2020262749-A1 · Aug 20, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03C25/326?
- CPC C03C25/326 is the Cooperative Patent Classification code for “Polyureas; Polyurethanes.”
- How many patents are filed under CPC C03C25/326 (Polyureas; Polyurethanes)?
- Our database includes 105 publications tagged with this CPC code.
- Is patent activity under CPC C03C25/326 growing?
- Publication counts under this code: 16 in 2024 vs 5 in 2025 (latest complete years).