Polymeric dispersants from phenyl glycidyl ether
US-12398246-B2 · Aug 26, 2025 · US
containing heterocyclic amine groups
containing heterocyclic amine groups · 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 | C08G65/263 |
| Official title | {containing heterocyclic amine groups} |
| Display label | containing heterocyclic amine groups |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
CO2-philic crosslinked polyethylene glycol-based membranes for acid and sour gas separations
US-12091625-B2 · Sep 17, 2024 · US
Resist underlayer film-forming composition and method for forming resist pattern using the same
US-12072631-B2 · Aug 27, 2024 · US
Polymer, leveling agent and preparation method thereof, electroplating solution, and electroplating method
US-2024254277-A1 · Aug 1, 2024 · US
Polymeric dispersants from phenyl glycidyl ether
US-2024209160-A1 · Jun 27, 2024 · US
(Poly)alkylene glycol-containing compound
US-12018121-B2 · Jun 25, 2024 · US
Polymeric dispersants from phenyl glycidyl ether
US-11939434-B2 · Mar 26, 2024 · US
Polymers having stable cationic pendant groups for use as anion exchange membranes
US-11827743-B2 · Nov 28, 2023 · US
Co2-philic crosslinked polyethylene glycol-based membranes for acid and sour gas separations
US-2023340348-A1 · Oct 26, 2023 · US
CO2-philic crosslinked polyethylene glycol-based membranes for acid and sour gas separations
US-11718805-B2 · Aug 8, 2023 · US
Method for producing polymer
US-2023103242-A1 · Mar 30, 2023 · US
Composition for forming resist underlayer film
US-2023029997-A1 · Feb 2, 2023 · US
Metal or metal alloy deposition composition and plating compound
US-11512405-B2 · Nov 29, 2022 · US
Co2-philic crosslinked polyethylene glycol-based membranes for acid and sour gas separations
US-2022213399-A1 · Jul 7, 2022 · US
(poly)alkylene glycol-containing compound
US-2022073678-A1 · Mar 10, 2022 · US
Resist underlayer film-forming composition and method for forming resist pattern using the same
US-2021397090-A1 · Dec 23, 2021 · US
Synthesis of cyanurate and multifunctional alcohol-based polyether acrylate for uv curable materials
US-2021130543-A1 · May 6, 2021 · US
Polyalkylene glycol-containing compound
US-2021032568-A1 · Feb 4, 2021 · US
Cell membrane-mimicking brush polymer and method for preparding same
US-10907068-B2 · Feb 2, 2021 · US
Ultraviolet radiation absorbing polymer composition
US-10874597-B2 · Dec 29, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G65/263?
- CPC C08G65/263 is the Cooperative Patent Classification code for “containing heterocyclic amine groups.”
- How many patents are filed under CPC C08G65/263 (containing heterocyclic amine groups)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC C08G65/263 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).