Polyether compound and gas separation membrane
US-12570798-B2 · Mar 10, 2026 · US
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Polyepihalohydrins
Polyepihalohydrins · 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 | C09D171/03 |
| Official title | Polyepihalohydrins |
| Display label | Polyepihalohydrins |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 4 |
| 2023 | 1 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid epoxy resin composition useful for making polymers
US-2025368772-A1 · Dec 4, 2025 · US
Novel (per)fluoropolyether polymers and use thereof
US-2025353954-A1 · Nov 20, 2025 · US
Anti-fogging agent, anti-fogging method for vehicle lamp structure, and vehicle lamp structure
US-2025289977-A1 · Sep 18, 2025 · US
Liquid epoxy resin composition useful for making polymers
US-12351677-B2 · Jul 8, 2025 · US
Novel (per)fluoropolyether polymers and use thereof
US-2023391951-A1 · Dec 7, 2023 · US
Liquid epoxy resin composition useful for making polymers
US-2021403633-A1 · Dec 30, 2021 · US
Polyether compound and gas separation membrane
US-2021355275-A1 · Nov 18, 2021 · US
Liquid epoxy resin composition useful for making polymers
US-11130835-B2 · Sep 28, 2021 · US
Cell membrane-mimicking brush polymer and method for preparding same
US-10907068-B2 · Feb 2, 2021 · US
Polyether polymer composition
US-10851203-B2 · Dec 1, 2020 · US
Composition comprising lignin and epoxy compound for coating and method for the manufacturing thereof and use thereof
US-10711153-B2 · Jul 14, 2020 · US
Polyether polymer composition
US-2019276600-A1 · Sep 12, 2019 · US
Cell Membrane-Mimicking Brush Polymer And Method For Preparding Same
US-2019276701-A1 · Sep 12, 2019 · US
Liquid epoxy resin composition useful for making polymers
US-2019031816-A1 · Jan 31, 2019 · US
Hose inner layer formed of ECO blended with NBR/PVC
US-10066766-B1 · Sep 4, 2018 · US
Porous PTFE membranes for metal removal
US-9855534-B1 · Jan 2, 2018 · US
A composition comprising lignin and epoxy compound for coating and method for the manufacturing thereof and use thereof
US-2016208134-A1 · Jul 21, 2016 · US