Polymer dispersion for coating wood for blocking migratable compounds
US-12577329-B2 · Mar 17, 2026 · US
Staining or dyeing wood {(wood staining compositions C09D15/00)}; Bleaching wood (bleaching wood pulp D21C9/10)
Staining or dyeing wood {(wood staining compositions C09D15/00)}; Bleaching wood (bleaching wood pulp D21C9/10) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B27K5/02 |
| Official title | Staining or dyeing wood {(wood staining compositions C09D15/00)}; Bleaching wood (bleaching wood pulp D21C9/10) |
| Display label | Staining or dyeing wood {(wood staining compositions C09D15/00)}; Bleaching wood (bleaching wood pulp D21C9/10) |
| Total patents | 57 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 14 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing colored wood
US-12459159-B2 · Nov 4, 2025 · US
Non-lapping water-based wood stains
US-2025250456-A1 · Aug 7, 2025 · US
Strong and tough structural wood materials, and methods for fabricating and use thereof
US-2025162189-A1 · May 22, 2025 · US
Wood treatment comprising phosphates
US-2025162188-A1 · May 22, 2025 · US
Non-lapping water-based wood stains
US-12305065-B2 · May 20, 2025 · US
Strong and tough structural wood materials, and methods for fabricating and use thereof
US-12285882-B2 · Apr 29, 2025 · US
Transparent wood composite, systems and method of fabrication
US-2025084241-A1 · Mar 13, 2025 · US
Bridge for use with woodworking clamps and method of use
US-12220835-B2 · Feb 11, 2025 · US
Transparent wood composite, systems and method of fabrication
US-12168727-B2 · Dec 17, 2024 · US
Method for producing a wooden composite board, and device for producing a wooden composite board
US-2024391131-A1 · Nov 28, 2024 · US
Wood article and process for the preparation of the wood article
US-12152130-B2 · Nov 26, 2024 · US
Bridge for use with woodworking clamps and method of use
US-12138821-B2 · Nov 12, 2024 · US
Process for modifying an aqueous polymer latex
US-2024336772-A1 · Oct 10, 2024 · US
Delignified wood materials, and methods for fabricating and use thereof
US-2024269882-A1 · Aug 15, 2024 · US
In situ pigmentation of decorative materials
US-2024270922-A1 · Aug 15, 2024 · US
Building panel and method to produce such a building panel
US-2024246322-A1 · Jul 25, 2024 · US
Bridge for use with woodworking clamps and method of use
US-2024239002-A1 · Jul 18, 2024 · US
Wood materials having anisotropic elasticity, and methods for fabrication and use thereof
US-2024239004-A1 · Jul 18, 2024 · US
Kit of parts for staining wooden substrates
US-12024641-B2 · Jul 2, 2024 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B27K5/02?
- CPC B27K5/02 is the Cooperative Patent Classification code for “Staining or dyeing wood {(wood staining compositions C09D15/00)}; Bleaching wood (bleaching wood pulp D21C9/10).”
- How many patents are filed under CPC B27K5/02 (Staining or dyeing wood {(wood staining compositions C09D15/00)}; Bleaching wood (bleaching wood pulp D21C9/10))?
- Our database includes 57 publications tagged with this CPC code.
- Is patent activity under CPC B27K5/02 growing?
- Publication counts under this code: 14 in 2024 vs 8 in 2025 (latest complete years).