Modification method of polyurethane, polyurethane, polishing pad, and modification method of polishing pad
US-12576474-B2 · Mar 17, 2026 · US
containing cationic or cationogenic groups
containing cationic or cationogenic 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 | C08G18/0809 |
| Official title | {containing cationic or cationogenic groups} |
| Display label | containing cationic or cationogenic groups |
| Total patents | 40 |
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 | 5 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Laminate
US-2025153469-A1 · May 15, 2025 · US
Modification method of polyurethane, polyurethane, polishing pad, and modification method of polishing pad
US-2024342858-A1 · Oct 17, 2024 · US
Modification method of polyurethane, polyurethane, polishing pad, and modification method of polishing pad
US-12109665-B2 · Oct 8, 2024 · US
Adhesive composition comprising a polyurethane and a cationic dopant
US-12031065-B2 · Jul 9, 2024 · US
Adhesive composition comprising a polyurethane and a cationic dopant
US-11827816-B2 · Nov 28, 2023 · US
Aqueous polyurethane resin dispersion
US-11802205-B2 · Oct 31, 2023 · US
Coating composition and printable medium
US-11794506-B2 · Oct 24, 2023 · US
Adhesive composition comprising a polyurethane and a cationic dopant
US-2023102482-A1 · Mar 30, 2023 · US
Electrodepositable coating compositions
US-2023035603-A1 · Feb 2, 2023 · US
Phosphonium-containing polyurethane compositions
US-2023022843-A1 · Jan 26, 2023 · US
Sprayable polyurethane/urea elastomer for agriculture
US-11479691-B2 · Oct 25, 2022 · US
Coating composition and printable medium
US-2022195663-A1 · Jun 23, 2022 · US
Reworkable ionomers
US-11254779-B1 · Feb 22, 2022 · US
Electrophotographic member, process cartridge, and electrophotographic image-forming apparatus
US-11169464-B2 · Nov 9, 2021 · US
Modification method of polyurethane, polyurethane, polishing pad, and modification method of polishing pad
US-2021276143-A1 · Sep 9, 2021 · US
Adhesive composition comprising a polyurethane and a cationic dopant
US-2021102102-A1 · Apr 8, 2021 · US
Aqueous polyurethane resin dispersion
US-2020369879-A1 · Nov 26, 2020 · US
Chemically or environmentally responsive polymers with reversible mechanical properties
US-10683400-B1 · Jun 16, 2020 · US
Waterborne polyamide and their chain extension with isocyanates to form cationic waterborne polyureas dispersions
US-10640616-B2 · May 5, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G18/0809?
- CPC C08G18/0809 is the Cooperative Patent Classification code for “containing cationic or cationogenic groups.”
- How many patents are filed under CPC C08G18/0809 (containing cationic or cationogenic groups)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC C08G18/0809 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).