Textile treatment composition for anti-yellowing
US-2026071379-A1 · Mar 12, 2026 · US
having five-membered heterocyclic rings
having five-membered heterocyclic rings · 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 | D06M13/352 |
| Official title | having five-membered heterocyclic rings |
| Display label | having five-membered heterocyclic rings |
| Total patents | 60 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 7 |
| 2017 | 11 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Manufacturing method of zwitterionic resin
US-12421347-B2 · Sep 23, 2025 · US
Methods of making MOFs, systems for synthesizing MOFs, and methods of coating textiles with MOFs
US-12371444-B2 · Jul 29, 2025 · US
Filtration member for antiviral air filter
US-2025177897-A1 · Jun 5, 2025 · US
Adducts between carbon allotropes and pyrrole derivatives, elastomer mixtures comprising them and tyres comprising such mixtures
US-12320059-B2 · Jun 3, 2025 · US
Sulfur cathodes
US-2025158056-A1 · May 15, 2025 · US
Composition containing sizing agent for inorganic fibers and method for producing inorganic fibers
US-2025116061-A1 · Apr 10, 2025 · US
Manufacturing method of zwitterionic resin
US-2024317926-A1 · Sep 26, 2024 · US
Zwitterionic resin and manufacturing method thereof
US-12043696-B2 · Jul 23, 2024 · US
Process for coating fibers containing polar moieties
US-12037742-B2 · Jul 16, 2024 · US
Oil-resistant agent
US-2024141582-A1 · May 2, 2024 · US
Fiber-treating agent
US-2024049824-A1 · Feb 15, 2024 · US
Polyamino acid-grafted modified water-repellent fabric and preparation method therefor
US-2023332347-A1 · Oct 19, 2023 · US
Zwitterionic resin and manufacturing method thereof
US-2023174706-A1 · Jun 8, 2023 · US
Fabric and protective product
US-2022408864-A1 · Dec 29, 2022 · US
Light weight load bearing member for elevator system
US-11459209-B2 · Oct 4, 2022 · US
Composition for Surface Treatment of Fibers and Fiber Treatment Method
US-2022275571-A1 · Sep 1, 2022 · US
Adducts between carbon allotropes and pyrrole derivatives, elastomer mixtures comprising them and tyres comprising such mixtures
US-2022213035-A1 · Jul 7, 2022 · US
Melanin-based chemical protective materials
US-11162212-B2 · Nov 2, 2021 · US
Methods of making mofs, systems for synthesizing mofs, and methods of coating textiles with mofs
US-2021269462-A1 · Sep 2, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D06M13/352?
- CPC D06M13/352 is the Cooperative Patent Classification code for “having five-membered heterocyclic rings.”
- How many patents are filed under CPC D06M13/352 (having five-membered heterocyclic rings)?
- Our database includes 60 publications tagged with this CPC code.
- Is patent activity under CPC D06M13/352 growing?
- Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).