Manufacturing method of zwitterionic resin
US-2024317926-A1 · Sep 26, 2024 · US
Compounds containing quaternary nitrogen atoms (hydrazinium compounds D06M13/338; betaines, sulfo-betaines D06M13/342)
Compounds containing quaternary nitrogen atoms (hydrazinium compounds D06M13/338; betaines, sulfo-betaines D06M13/342) · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D06M13/46 |
| Official title | Compounds containing quaternary nitrogen atoms (hydrazinium compounds D06M13/338; betaines, sulfo-betaines D06M13/342) |
| Display label | Compounds containing quaternary nitrogen atoms (hydrazinium compounds D06M13/338; betaines, sulfo-betaines D06M13/342) |
| Total patents | 68 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 7 |
| 2024 | 5 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Zwitterionic resin and manufacturing method thereof
US-12043696-B2 · Jul 23, 2024 · US
Antiviral polymer material
US-2024180160-A1 · Jun 6, 2024 · US
Fiber-treating agent
US-2024049824-A1 · Feb 15, 2024 · US
Fibers for artificial hair, method for producing same, and hair accessory
US-2024035231-A1 · Feb 1, 2024 · US
Fibers for artificial hair and hair accessory
US-2023284723-A1 · Sep 14, 2023 · US
Softening composition
US-11753496-B2 · Sep 12, 2023 · US
Zwitterionic resin and manufacturing method thereof
US-2023174706-A1 · Jun 8, 2023 · US
Antimicrobial textiles
US-2023167601-A1 · Jun 1, 2023 · US
Micro cellulose fiber complex
US-2023095911-A1 · Mar 30, 2023 · US
Cellulose fibers, cellulose fiber-containing composition, cellulose fiber dispersion, and method for producing cellulose fibers
US-11578456-B2 · Feb 14, 2023 · US
Fiber structure and method for manufacturing same
US-2023032732-A1 · Feb 2, 2023 · US
Fabric softener
US-2022290075-A1 · Sep 15, 2022 · US
Ink Jet Textile Printing Method And Recording Apparatus
US-2022243392-A1 · Aug 4, 2022 · US
Composition
US-2022228087-A1 · Jul 21, 2022 · US
Surfactant composition
US-2022062134-A1 · Mar 3, 2022 · US
Wettable SMS material for personal protective equipment applications
US-11229251-B2 · Jan 25, 2022 · US
Water-soluble unit dose articles comprising perfume
US-11053466-B2 · Jul 6, 2021 · US
Antistatic dustproof fabric and protective clothing using same
US-2021000205-A1 · Jan 7, 2021 · US
Carbon fiber precursor treatment agent and carbon fiber precursor
US-2021002820-A1 · Jan 7, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D06M13/46?
- CPC D06M13/46 is the Cooperative Patent Classification code for “Compounds containing quaternary nitrogen atoms (hydrazinium compounds D06M13/338; betaines, sulfo-betaines D06M13/342).”
- How many patents are filed under CPC D06M13/46 (Compounds containing quaternary nitrogen atoms (hydrazinium compounds D06M13/338; betaines, sulfo-betaines D06M13/342))?
- Our database includes 68 publications tagged with this CPC code.
- Is patent activity under CPC D06M13/46 growing?
- Publication counts under this code: 5 in 2024 vs 7 in 2025 (latest complete years).