Semicrystalline pulverulent polyarylethersulfones and method to make them
US-2022251416-A1 · Aug 11, 2022 · US
Polysulfones; Polyethersulfones
Polysulfones; Polyethersulfones · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09D181/06 |
| Official title | Polysulfones; Polyethersulfones |
| Display label | Polysulfones; Polyethersulfones |
| Total patents | 95 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 10 |
| 2017 | 4 |
| 2018 | 8 |
| 2019 | 10 |
| 2020 | 9 |
| 2021 | 7 |
| 2022 | 9 |
| 2023 | 8 |
| 2024 | 8 |
| 2025 | 12 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrically insulating resin composition and laminate sheet
US-11331876-B2 · May 17, 2022 · US
Fractal-like polymeric particles and their use in diverse applications
US-11306214-B2 · Apr 19, 2022 · US
Polyarylene ether copolymer
US-2022098352-A1 · Mar 31, 2022 · US
Fluoropolymer coatings and related methods
US-11191876-B2 · Dec 7, 2021 · US
Resin film, laminated film, and substrate for flexible printed wiring board
US-11104771-B2 · Aug 31, 2021 · US
Methods of forming polymer coatings on metallic substrates
US-11097511-B2 · Aug 24, 2021 · US
Highly hydrophobic antifouling coatings for implantable medical devices
US-11065367-B2 · Jul 20, 2021 · US
Aqueous semi-finished and primary non-stick coating compositions comprising aromatic polymers
US-11059981-B2 · Jul 13, 2021 · US
Coating process
US-2021121646-A1 · Apr 29, 2021 · US
Copolymer of diallylamines and sulfur dioxide, and method for producing same
US-10988577-B2 · Apr 27, 2021 · US
Resin solution composition
US-10752791-B2 · Aug 25, 2020 · US
Polymer compositions based on a bio-sourced polyarylene ether ketone
US-10717815-B2 · Jul 21, 2020 · US
Resin film, laminated film, and substrate for flexible printed wiring board
US-2020165395-A1 · May 28, 2020 · US
Methods of making multilayer articles comprising a release surface
US-2020122193-A1 · Apr 23, 2020 · US
Solvent resistant polymeric membranes
US-10626276-B2 · Apr 21, 2020 · US
Composition and coating film
US-2020056065-A1 · Feb 20, 2020 · US
Highly hydrophobic antifouling coatings for implantable medical devices
US-2020046886-A1 · Feb 13, 2020 · US
Blends of aromatic polymers and adducts obtained therefrom
US-2020032060-A1 · Jan 30, 2020 · US
Lithographic compositions and methods of use thereof
US-2020002568-A1 · Jan 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09D181/06?
- CPC C09D181/06 is the Cooperative Patent Classification code for “Polysulfones; Polyethersulfones.”
- How many patents are filed under CPC C09D181/06 (Polysulfones; Polyethersulfones)?
- Our database includes 95 publications tagged with this CPC code.
- Is patent activity under CPC C09D181/06 growing?
- Publication counts under this code: 8 in 2024 vs 12 in 2025 (latest complete years).