Polyether compound and gas separation membrane
US-12570798-B2 · Mar 10, 2026 · US
Onium compounds
Onium compounds · 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 | C08G65/105 |
| Official title | {Onium compounds} |
| Display label | Onium compounds |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 10 |
| 2020 | 3 |
| 2021 | 8 |
| 2022 | 1 |
| 2023 | 5 |
| 2024 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Acceptor-substituted euv pags with high electron affinity
US-2026044074-A1 · Feb 12, 2026 · US
Photocationically curable composition
US-2024180788-A1 · Jun 6, 2024 · US
Cationic polymerizable compositions and methods of use thereof
US-11958233-B2 · Apr 16, 2024 · US
Liquid, hybrid UV/vis radiation curable resin compositions for additive fabrication
US-11866526-B2 · Jan 9, 2024 · US
Near-infrared (nir) sensitized adhesive and sealant compositions
US-2023407151-A1 · Dec 21, 2023 · US
Photocurable adhesive or sealant composition
US-2023399553-A1 · Dec 14, 2023 · US
Photocationically curable composition and dental curable composition
US-2023320940-A1 · Oct 12, 2023 · US
Organic metal-free catalysts with electrophilic and nucleophilic dual-functions, preparation methods of making the same, and uses thereof
US-11780961-B2 · Oct 10, 2023 · US
Supported onium salts as initiators for the synthesis of polycarbonates by copolymerization of CO2 with epoxides
US-11753503-B2 · Sep 12, 2023 · US
Liquid, hybrid uv/vis radiation curable resin compositions for additive fabrication
US-2022282003-A1 · Sep 8, 2022 · US
Organic metal-free catalysts with electrophilic and nucleophilic dual-functions, preparation methods of making the same, and uses thereof
US-2021363297-A1 · Nov 25, 2021 · US
Polyether compound and gas separation membrane
US-2021355275-A1 · Nov 18, 2021 · US
Cationic polymerizable compositions and methods of use thereof
US-2021187822-A1 · Jun 24, 2021 · US
Epoxy compound, curable composition, cured product, method of producing epoxy compound, and reactive diluent
US-10995079-B2 · May 4, 2021 · US
Cationic polymerizable compositions and methods of use thereof
US-10960600-B2 · Mar 30, 2021 · US
Supported onium salts as initiators for the synthesis of polycarbonates by copolymerization of co2 with epoxides
US-2021070932-A1 · Mar 11, 2021 · US
Encapsulating composition
US-10913874-B2 · Feb 9, 2021 · US
Monomer composition and curable composition containing same
US-10882953-B2 · Jan 5, 2021 · US
Specially-shaped epoxy resin molded article, and optical device provided with same
US-10843423-B2 · Nov 24, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G65/105?
- CPC C08G65/105 is the Cooperative Patent Classification code for “Onium compounds.”
- How many patents are filed under CPC C08G65/105 (Onium compounds)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC C08G65/105 growing?
- Publication counts under this code: 5 in 2023 vs 3 in 2024 (latest complete years).