Method for producing modified wood-based material, furan derivative resinification solution, and modified wood-based material
US-12343896-B2 · Jul 1, 2025 · US
Heterocyclic compounds
Heterocyclic 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 | B27K3/343 |
| Official title | {Heterocyclic compounds} |
| Display label | Heterocyclic compounds |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 3 |
| 2021 | 1 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing modified wooden material, 5-hmf resinification solution, and modified wooden material
US-2025153390-A1 · May 15, 2025 · US
Flame-retardant treatment of lignocellulosic materials, resulting flame-retarded lignocellulosic materials and uses thereof
US-11964407-B2 · Apr 23, 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
Flame-retardant treatment of lignocellulosic materials, resulting flame-retarded lignocellulosic materials and uses thereof
US-2023182342-A1 · Jun 15, 2023 · US
Wood preservatives
US-2021112812-A1 · Apr 22, 2021 · US
Composition for preparing emulsion or microemulsion
US-10448642-B2 · Oct 22, 2019 · US
Penflufen as a wood preservative against wood-destroying basidiomycetes
US-2019150453-A1 · May 23, 2019 · US
Penflufen as a wood preservative against wood-destroying basidiomycetes
US-10231459-B2 · Mar 19, 2019 · US
Protection of wood
US-10086530-B2 · Oct 2, 2018 · US
Biocidal mixtures
US-2018242588-A1 · Aug 30, 2018 · US
Heat insulation material based on aerogel
US-10035122-B2 · Jul 31, 2018 · US
Composition comprising furfuryl alcohol
US-9896543-B2 · Feb 20, 2018 · US
Protection of wood
US-2017326753-A9 · Nov 16, 2017 · US
Heat insulation material based on aerogel
US-2017252718-A1 · Sep 7, 2017 · US
Composition for preparing emulsion or microemulsion
US-2017112134-A1 · Apr 27, 2017 · US
Fungicidal penflufen mixtures
US-9596854-B2 · Mar 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B27K3/343?
- CPC B27K3/343 is the Cooperative Patent Classification code for “Heterocyclic compounds.”
- How many patents are filed under CPC B27K3/343 (Heterocyclic compounds)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC B27K3/343 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).