Paper-based electromagnetic shielding composite with flame retardant properties and its preparation method and application
US-12385186-B2 · Aug 12, 2025 · US
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Hydroxyalkylamines; Derivatives thereof, e.g. Kritchevsky bases
Hydroxyalkylamines; Derivatives thereof, e.g. Kritchevsky bases · 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 | D06M13/368 |
| Official title | Hydroxyalkylamines; Derivatives thereof, e.g. Kritchevsky bases |
| Display label | Hydroxyalkylamines; Derivatives thereof, e.g. Kritchevsky bases |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sizing agent composition, carbon fiber material and composite material
US-12320061-B2 · Jun 3, 2025 · US
Composition containing sizing agent for inorganic fibers and method for producing inorganic fibers
US-2025116061-A1 · Apr 10, 2025 · US
Paper-based Electromagnetic Shielding Composite with Flame Retardant Properties and Its Preparation Method and Application
US-2023304224-A1 · Sep 28, 2023 · US
Sizing agent composition, carbon fiber material and composite material
US-2022396914-A1 · Dec 15, 2022 · US
Amidoxime-functionalized materials and their use in extracting metal ions from liquid solutions
US-11247191-B2 · Feb 15, 2022 · US
Amidoxime-functionalized materials and their use in extracting metal ions from liquid solutions
US-2020306724-A1 · Oct 1, 2020 · US
Amidoxime-functionalized materials and their use in extracting metal ions from liquid solutions
US-10702852-B2 · Jul 7, 2020 · US
Stabilization of complexed silver ion on soft surfaces
US-2019141989-A1 · May 16, 2019 · US
Amidoxime-functionalized materials and their use in extracting metal ions from liquid solutions
US-2017361304-A1 · Dec 21, 2017 · US
Dispersible nonwoven
US-9512546-B2 · Dec 6, 2016 · US
Chemically modified cellulose fibrous meshes for use as tissue engineering scaffolds
US-9259455-B2 · Feb 16, 2016 · US
Dispersible nonwoven
US-2015044375-A1 · Feb 12, 2015 · US