Carbon fiber precursor fiber, fiber for carbon fiber precursor fiber, method of producing carbon fiber precursor fiber, method of producing stabilized fiber, and method of producing carbon fiber
US-12503795-B2 · Dec 23, 2025 · US
containing epoxy groups
containing epoxy groups · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D06M15/65 |
| Official title | containing epoxy groups |
| Display label | containing epoxy groups |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 6 |
| 2024 | 13 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Treatment agent for polyester synthetic fibers, composition containing treatment agent for polyester synthetic fibers, first treatment agent for polyester synthetic fibers, second treatment agent for polyester synthetic fibers, composition containing first treatment agent for polyester synthetic fibers, treatment method for polyester synthetic fibers, and polyester synthetic fibers
US-12448728-B2 · Oct 21, 2025 · US
Water-repellent softening agent
US-12297589-B2 · May 13, 2025 · US
Fluorine-containing polymer and fluorine-containing composition
US-2025011510-A1 · Jan 9, 2025 · US
Adhesive composition, organic fiber material, rubber article, organic fiber-ruber composite, and tire
US-2025002763-A1 · Jan 2, 2025 · US
Treatment agent for polyester synthetic fibers, composition containing treatment agent for polyester synthetic fibers, first treatment agent for polyester synthetic fibers, second treatment agent for polyester synthetic fibers, composition containing first treatment agent for polyester synthetic fibers, treatment method for polyester synthetic fibers, and polyester synthetic fibers
US-2025003147-A1 · Jan 2, 2025 · US
Silicone rubber composition for textile coating and silicone rubber-coated textile
US-2024426048-A1 · Dec 26, 2024 · US
Layered product for extinguishing fire, production method for layered product for extinguishing fire, and electronic member
US-2024399179-A1 · Dec 5, 2024 · US
Water-repellent polyacrylonitrile-based artificial hair fiber, method for producing same, and head decoration product
US-2024392498-A1 · Nov 28, 2024 · US
Water-repellent polyacrylonitrile-based synthetic hair fiber, method for producing same, and headdress product
US-2024376665-A1 · Nov 14, 2024 · US
Synthetic fiber processing agent and synthetic fiber
US-12123131-B2 · Oct 22, 2024 · US
Treatment agent for elastic fibers, and elastic fiber
US-12123130-B2 · Oct 22, 2024 · US
Barrier Fabrics with Desirable Air Permeability
US-2024316898-A1 · Sep 26, 2024 · US
Synthetic fiber processing agent and synthetic fiber
US-2024271360-A1 · Aug 15, 2024 · US
Fabrics including a barrier coating and hygiene articles including the same
US-2024181120-A1 · Jun 6, 2024 · US
Fabrics including a non-fluorinated barrier coating
US-2024183104-A1 · Jun 6, 2024 · US
Elastic fiber treating agent and elastic fiber
US-11926956-B2 · Mar 12, 2024 · US
Fiber-treating agent
US-2024068156-A1 · Feb 29, 2024 · US
Fiber-treating agent
US-2024060234-A1 · Feb 22, 2024 · US
Elastic fiber treating agent and elastic fibers
US-11834777-B2 · Dec 5, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D06M15/65?
- CPC D06M15/65 is the Cooperative Patent Classification code for “containing epoxy groups.”
- How many patents are filed under CPC D06M15/65 (containing epoxy groups)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC D06M15/65 growing?
- Publication counts under this code: 13 in 2024 vs 6 in 2025 (latest complete years).