Resin composition for colored coating on optical fiber, optical fiber, and optical fiber ribbon
US-2025258353-A1 · Aug 14, 2025 · US
containing colouring agents
containing colouring agents · 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 | C03C25/475 |
| Official title | containing colouring agents |
| Display label | containing colouring agents |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 3 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Resin composition for optical fiber coating, colored coating material for optical fiber, optical fiber, and optical fiber ribbon
US-2025237808-A1 · Jul 24, 2025 · US
Resin composition for optical fiber coating, colored coating material for optical fiber, optical fiber, and optical fiber ribbon
US-2025216596-A1 · Jul 3, 2025 · US
Resin composition for optical fiber coating, colored coating material for optical fiber, optical fiber, and optical fiber ribbon
US-2025059085-A1 · Feb 20, 2025 · US
Optical fiber marking on the draw
US-2025051225-A1 · Feb 13, 2025 · US
Resin composition for optical fiber coating, colored coating material for optical fiber, and optical fiber
US-2024409773-A1 · Dec 12, 2024 · US
Resin composition for optical fiber coating, colored coating material for optical fiber, and optical fiber
US-2024392155-A1 · Nov 28, 2024 · US
Resin composition for colored coating on optical fiber, optical fiber, and optical fiber ribbon
US-2024343642-A1 · Oct 17, 2024 · US
Method for manufacturing optical fiber
US-2024294418-A1 · Sep 5, 2024 · US
Apparatus and methods for marking optical fibers using a deflected ink stream
US-11976003-B2 · May 7, 2024 · US
Colored optical fiber, optical fiber ribbon, optical fiber ribbon cable and method for manufacturing the same
US-2024116808-A1 · Apr 11, 2024 · US
Optical fiber ribbon and optical fiber cable
US-11828996-B2 · Nov 28, 2023 · US
Colored optical fiber, optical fiber ribbon, assembly cable of single fibers, ribbon cable and method for manufacturing the same
US-2023257301-A1 · Aug 17, 2023 · US
Optical fiber ribbon and optical fiber cable
US-2023112900-A1 · Apr 13, 2023 · US
Optical fiber illumination systems and methods
US-RE49416-E · Feb 14, 2023 · US
Laser-enabled multi-layer ink adhesion onto optical fibers
US-2023025312-A1 · Jan 26, 2023 · US
Light diffusing optical fibers for emitting white light
US-11059747-B2 · Jul 13, 2021 · US
Apparatus and methods for marking optical fibers using a deflected ink stream
US-2021039991-A1 · Feb 11, 2021 · US
Optical fiber ribbon and optical fiber cable
US-10882783-B2 · Jan 5, 2021 · US
Light diffusing optical fibers for emitting white light
US-2020216356-A1 · Jul 9, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03C25/475?
- CPC C03C25/475 is the Cooperative Patent Classification code for “containing colouring agents.”
- How many patents are filed under CPC C03C25/475 (containing colouring agents)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC C03C25/475 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).