Method for preparing porous polymer film having controlled pore depth, and porous polymer film prepared thereby
US-12528102-B2 · Jan 20, 2026 · US
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of a polymeric substrate
of a polymeric substrate · 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 | B05D3/0446 |
| Official title | {of a polymeric substrate} |
| Display label | of a polymeric substrate |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sulfonation treatment for a thermoplastic part
US-2025235892-A1 · Jul 24, 2025 · US
Omniphobic surfaces with hierarchical structures, and methods of making and uses thereof
US-2024359211-A1 · Oct 31, 2024 · US
Omniphobic surfaces with hierarchical structures, and methods of making and uses thereof
US-12109586-B2 · Oct 8, 2024 · US
Omniphobic surfaces with hierarchical structures, and methods of making and uses thereof
US-2022323993-A1 · Oct 13, 2022 · US
Functionalized Surface
US-2022033951-A1 · Feb 3, 2022 · US
Method for preparing porous polymer film having controlled pore depth, and porous polymer film prepared thereby
US-2021394231-A1 · Dec 23, 2021 · US
Method of producing a film-attached resin base
US-11174362-B2 · Nov 16, 2021 · US
Process for obtaining superhydrophobic or superhydrophilic surfaces
US-10668501-B2 · Jun 2, 2020 · US
Film-Attached Resin Base, Method of Producing the Same, and Method of Producing a Film
US-2019091721-A1 · Mar 28, 2019 · US
Method for manufacturing spectacle lens, and spectacle lens
US-2018372915-A1 · Dec 27, 2018 · US
Novel process for obtaining superhydrophobic or superhydrophilic surfaces
US-2017120294-A1 · May 4, 2017 · US
Method of making a polymer/functionalized nanographene composite coating
US-9433975-B2 · Sep 6, 2016 · US
Nano-coatings for articles
US-9193879-B2 · Nov 24, 2015 · US