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
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Compounds of phosphorus
Compounds of phosphorus · 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 | B27K3/166 |
| Official title | {Compounds of phosphorus} |
| Display label | Compounds of phosphorus |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
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
Wood treatment comprising phosphates
US-2025162188-A1 · May 22, 2025 · US
Method for producing a wooden composite board, and device for producing a wooden composite board
US-2024391131-A1 · Nov 28, 2024 · US
Method of and apparatus for protecting and tracking carbon mass stored in wood materials contained in prefabricated wood-building assemblies, from the destructive energy of fire and releasing back into the atmosphere in the form of carbon dioxide and/or other greenhouse gases contributing to global warming
US-2024257265-A1 · Aug 1, 2024 · US
Mixtures of ammonium polyphosphate and at least one soluble ionic compound containing sulfate and/or is capable of releasing sulfate ions
US-11628589-B2 · Apr 18, 2023 · US
Improved flame retardancy of wood and other cellulose-based materials by in-situ mineralization
US-2021187782-A1 · Jun 24, 2021 · US
Mixtures of ammonium polyphosphate and at least one soluble ionic compound containing sulfate and/or is capable of releasing sulfate ions
US-2018304493-A1 · Oct 25, 2018 · US