Fibers of polymers that have a backbone including a positively charged component of a zwitterionic moiety, and their use in implantable therapeutic delivery systems
US-12559867-B2 · Feb 24, 2026 · US
Quaternisation of polyamidoamines
Quaternisation of polyamidoamines · 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 | C08G73/0293 |
| Official title | {Quaternisation of polyamidoamines} |
| Display label | Quaternisation of polyamidoamines |
| Total patents | 51 |
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 | 7 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 8 |
| 2019 | 5 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composition for copper electrodeposition comprising a polyaminoamide type leveling agent
US-2025129503-A1 · Apr 24, 2025 · US
Composition for copper bump electrodeposition comprising a polyaminoamide type leveling agent
US-12134834-B2 · Nov 5, 2024 · US
Immolative cell-penetrating complexes for nucleic acid delivery to the lung
US-2024277854-A1 · Aug 22, 2024 · US
Semiconductor film composition, method for manufacturing semiconductor film composition, method for manufacturing semiconductor member, method for manufacturing semiconductor processing material, and semiconductor device
US-11965109-B2 · Apr 23, 2024 · US
Immolative cell-penetrating complexes for nucleic acid delivery to the lung
US-11931416-B2 · Mar 19, 2024 · US
Polymers with antimicrobial functionalities
US-11723363-B2 · Aug 15, 2023 · US
Composition for copper bump electrodeposition comprising a polyaminoamide type leveling agent
US-2023142238-A1 · May 11, 2023 · US
Chemical compositions with antimicrobial functionality
US-11525036-B2 · Dec 13, 2022 · US
Fibers of polymers that have a backbone including a positively charged component of a zwitterionic moiety, and their use in implantable therapeutic delivery systems
US-2022380944-A1 · Dec 1, 2022 · US
Immolative cell-penetrating complexes for nucleic acid delivery to the lung
US-2022143199-A1 · May 12, 2022 · US
Biodegradable polyionenes
US-11198761-B2 · Dec 14, 2021 · US
Polymers with antimicrobial functionalities
US-2021289782-A1 · Sep 23, 2021 · US
Polymers with antimicrobial functionalities
US-11058110-B2 · Jul 13, 2021 · US
Chemical compositions with antimicrobial functionality
US-2021040265-A1 · Feb 11, 2021 · US
Chemical compositions with antimicrobial functionality
US-10836864-B2 · Nov 17, 2020 · US
Semiconductor film composition, method for manufacturing semiconductor film composition, method for manufacturing semiconductor member, method for manufacturing semiconductor processing material, and semiconductor device
US-2020347265-A1 · Nov 5, 2020 · US
Semiconductor film composition, method of manufacturing semiconductor film composition, method of manufacturing semiconductor member, method of manufacturing semiconductor processing material, and semiconductor device
US-10759964-B2 · Sep 1, 2020 · US
Wood adhesive, method for adhering wood materials using the same, and composite wood structure using the same
US-10759148-B2 · Sep 1, 2020 · US
Semiconductor film composition, method for manufacturing semiconductor film composition, method for manufacturing semiconductor member, method for manufacturing semiconductor processing material, and semiconductor device
US-10752805-B2 · Aug 25, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G73/0293?
- CPC C08G73/0293 is the Cooperative Patent Classification code for “Quaternisation of polyamidoamines.”
- How many patents are filed under CPC C08G73/0293 (Quaternisation of polyamidoamines)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC C08G73/0293 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).