Self-flowing treatment of wood, bamboo, and other porous materials
US-2026070255-A1 · Mar 12, 2026 · US
Impregnating agents containing mixtures of inorganic and organic compounds
Impregnating agents containing mixtures of inorganic and organic compounds · 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 | B27K3/52 |
| Official title | Impregnating agents containing mixtures of inorganic and organic compounds |
| Display label | Impregnating agents containing mixtures of inorganic and organic compounds |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 9 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 7 |
| 2024 | 1 |
| 2025 | 4 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Environmentally-clean fire inhibiting biochemical compositions, solutions and powders, and methods of and apparatus for producing fire protected wood products
US-2026069911-A1 · Mar 12, 2026 · US
Environmentally-clean water-based fire inhibiting biochemical compositions, solutions, powders and methods of and apparatus for producing fire protected wood and engineered wood products
US-2026014403-A1 · Jan 15, 2026 · US
Method for producing modified wood-based material, furan derivative resinification solution, and modified wood-based material
US-12343896-B2 · Jul 1, 2025 · US
Wood treatment comprising phosphates
US-2025162188-A1 · May 22, 2025 · US
Method for producing modified wooden material, 5-hmf resinification solution, and modified wooden material
US-2025153390-A1 · May 15, 2025 · US
Polyurethane precursor-containing woody material, polyurethane-containing woody material, polyurethane-containgin woody molded article, and methods for manufacturing same
US-2025034423-A1 · Jan 30, 2025 · US
Wood materials having anisotropic elasticity, and methods for fabrication and use thereof
US-2024239004-A1 · Jul 18, 2024 · US
Penflufen as a wood preservative against wood-destroying basidiomycetes
US-2023337680-A1 · Oct 26, 2023 · US
Method for producing modified wood-based material, furan derivative resinification solution, and modified wood-based material
US-2023264382-A1 · Aug 24, 2023 · US
Penflufen as a wood preservative against wood-destroying basidiomycetes
US-11723368-B2 · Aug 15, 2023 · US
Moldable and molded cellulose-based structural materials, and systems and methods for forming and use thereof
US-2023234258-A1 · Jul 27, 2023 · US
Multifunctional wood preservative composition and wood preservation treatment method using the same
US-2023219251-A1 · Jul 13, 2023 · US
Magnetic Wood and Uses Thereof
US-2023140376-A1 · May 4, 2023 · US
Impregnate with antistatic properties
US-11623995-B2 · Apr 11, 2023 · US
Impregnate with Antistatic Properties
US-2022177714-A1 · Jun 9, 2022 · US
Impregnate with antistatic properties
US-11292926-B2 · Apr 5, 2022 · US
Modified wooden sheet, method for producing same, and modifying agent
US-2021260790-A1 · Aug 26, 2021 · US
Additives for lignocellulosic composites
US-10960570-B2 · Mar 30, 2021 · US
Impregnate with Antistatic Properties
US-2020317936-A1 · Oct 8, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B27K3/52?
- CPC B27K3/52 is the Cooperative Patent Classification code for “Impregnating agents containing mixtures of inorganic and organic compounds.”
- How many patents are filed under CPC B27K3/52 (Impregnating agents containing mixtures of inorganic and organic compounds)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC B27K3/52 growing?
- Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).