Porous membranes for high pressure filtration
US-12064731-B2 · Aug 20, 2024 · US
Polyphenylenes
Polyphenylenes · 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 | C08J2365/02 |
| Official title | Polyphenylenes |
| Display label | Polyphenylenes |
| Total patents | 95 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 11 |
| 2018 | 15 |
| 2019 | 15 |
| 2020 | 11 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 9 |
| 2024 | 8 |
| 2025 | 3 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyphenylenes, methods, and uses thereof
US-2020362129-A1 · Nov 19, 2020 · US
Poly(phenylene) and m-Terphenyl as protecting groups for benzimidazolium hydroxides
US-10800874-B2 · Oct 13, 2020 · US
Systems and methods for composite radius fillers
US-10780680-B2 · Sep 22, 2020 · US
Polymer electrolyte membrane, method for manufacturing same, and membrane electrode assembly comprising same
US-2020287230-A1 · Sep 10, 2020 · US
Resin composition and prepreg, resin sheet, laminate, and printed circuit board comprising same
US-10717837-B2 · Jul 21, 2020 · US
Methanesulfonic Acid Mediated Solvent Free Synthesis of Conjugated Porous Polymer Networks
US-2020148812-A1 · May 14, 2020 · US
Voltage-controlled anion exchange membrane enabling selective ion affinities for water desalination and device containing the same
US-2020131058-A1 · Apr 30, 2020 · US
Heat stabilized soft expandable sealant compositions
US-10590251-B2 · Mar 17, 2020 · US
Methanesulfonic acid mediated solvent free synthesis of conjugated porous polymer networks
US-10584201-B2 · Mar 10, 2020 · US
Multilayered ion exchange membranes
US-2020070142-A1 · Mar 5, 2020 · US
Expandable porous organic polymer-based hydrogen ion conductive material and method for preparing same
US-2020017630-A1 · Jan 16, 2020 · US
Polyarylether ketone imide sulfone adhesives
US-10501665-B2 · Dec 10, 2019 · US
Methods of forming modified thermoplastic structures for down-hole applications, and related down-hole tools
US-2019352480-A1 · Nov 21, 2019 · US
Functionalization of diels-alder polyphenylene polymers
US-10442887-B2 · Oct 15, 2019 · US
Poly(phenylene)-based anion exchange polymers and methods thereof
US-10370483-B2 · Aug 6, 2019 · US
Methods of forming modified thermoplastic structures for down-hole applications
US-10351686-B2 · Jul 16, 2019 · US
Polyol-based compositions comprising cationic group-functionalized polyphenylene polymers
US-10312541-B2 · Jun 4, 2019 · US
Thermosetting resin composition for semiconductor package and prepreg using the same
US-10294341-B2 · May 21, 2019 · US
Halo-containing anion exchange membranes and methods thereof
US-10294325-B2 · May 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08J2365/02?
- CPC C08J2365/02 is the Cooperative Patent Classification code for “Polyphenylenes.”
- How many patents are filed under CPC C08J2365/02 (Polyphenylenes)?
- Our database includes 95 publications tagged with this CPC code.
- Is patent activity under CPC C08J2365/02 growing?
- Publication counts under this code: 8 in 2024 vs 3 in 2025 (latest complete years).