Aromatic polyether, composition, film, powder, pellets, composite material production method, and composite material
US-2025188219-A1 · Jun 12, 2025 · US
(I) or (II) containing halogens other than as leaving group (X)
(I) or (II) containing halogens other than as leaving group (X) · 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 | C08G65/4018 |
| Official title | {(I) or (II) containing halogens other than as leaving group (X)} |
| Display label | (I) or (II) containing halogens other than as leaving group (X) |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyelectrolyte molded body, and polyelectrolyte membrane, electrolyte membrane with catalyst layer, membrane electrode assembly, solid polymer-type fuel cell, and water electrolysis-style hydrogen production device in which said polyelectrolyte molded body is used
US-2024182639-A1 · Jun 6, 2024 · US
Polymer electrolyte membrane, block copolymer, polymer electrolyte material, polymer electrolyte molded body, electrolyte membrane with catalyst layer, membrane electrode composite, solid polymer fuel cell, and water electrolytic hydrogen generator
US-2024178424-A1 · May 30, 2024 · US
Blocky poly(ether ether ketone) copolymers and corresponding synthesis methods and articles
US-11840606-B2 · Dec 12, 2023 · US
Halogen-containing polymer and production method for same
US-11555093-B2 · Jan 17, 2023 · US
Improved powder for additive manufacturing
US-2022403206-A1 · Dec 22, 2022 · US
Blocky poly(ether ether ketone) copolymers and corresponding synthesis methods and articles
US-2022127419-A1 · Apr 28, 2022 · US
Purification of 1,4-bis (4-phenoxybenzoyl)benzene by centrifugal filtration
US-2021155571-A1 · May 27, 2021 · US
Block polymer and polymer electrolyte membrane comprising same
US-10947338-B2 · Mar 16, 2021 · US
Method for the recovery of compounds deriving from the synthesis of poly aryl ether ketone polymers
US-10731001-B2 · Aug 4, 2020 · US
Halogen-containing polymer and production method for same
US-2020199296-A1 · Jun 25, 2020 · US
Method for the recovery of compounds deriving from the synthesis of poly aryl ether ketone polymers
US-2020148822-A1 · May 14, 2020 · US
Method for manufacturing 1,4-bis (4-phenoxybenzoylbenzene) at an elevated temperature
US-10618863-B2 · Apr 14, 2020 · US
Method for manufacturing 1,4-bis(4-phenoxybenzoyl)benzene at an elevated temperature
US-2020062683-A1 · Feb 27, 2020 · US
Blocky poly(ether ether ketone) copolymers and corresponding synthesis methods and articles
US-2019315919-A1 · Oct 17, 2019 · US
Compound comprising aromatic ring, and polyelectrolyte membrane using same
US-10428016-B2 · Oct 1, 2019 · US
Purification of 1,4-bis (4-phenoxybenzoyl)benzene by centrifugal filtration
US-10344125-B2 · Jul 9, 2019 · US
Polymers of intrinsic microporosity (pims) containing locked spirobisindane structures and methods of synthesis of pims polymers
US-2019153154-A1 · May 23, 2019 · US
Block polymer and polymer electrolyte membrane comprising same
US-2019106530-A1 · Apr 11, 2019 · US
Polymer electrolyte composition, polymer electrolyte membrane using same, catalyst coated membrane, membrane electrode assembly and polymer electrolyte fuel cell
US-10253147-B2 · Apr 9, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G65/4018?
- CPC C08G65/4018 is the Cooperative Patent Classification code for “(I) or (II) containing halogens other than as leaving group (X).”
- How many patents are filed under CPC C08G65/4018 ((I) or (II) containing halogens other than as leaving group (X))?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC C08G65/4018 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).