Process for the manufacture of a precursor yarn
US-12234577-B2 · Feb 25, 2025 · US
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Heterocyclic compounds
Heterocyclic compounds · 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 | D06M13/35 |
| Official title | Heterocyclic compounds |
| Display label | Heterocyclic compounds |
| Total patents | 9 |
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 | 1 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water-/oil-repellent agent
US-2024409753-A1 · Dec 12, 2024 · US
A process for the manufacture of a precursor yarn
US-2019085484-A1 · Mar 21, 2019 · US
Heat insulation material based on aerogel
US-10035122-B2 · Jul 31, 2018 · US
Method for producing sizing agent-coated carbon fibers, and sizing agent-coated carbon fibers
US-9771681-B2 · Sep 26, 2017 · US
Heat insulation material based on aerogel
US-2017252718-A1 · Sep 7, 2017 · US
Method for producing sizing agent-coated carbon fibers, and sizing agent-coated carbon fibers
US-9593444-B2 · Mar 14, 2017 · US
Method for producing sizing agent-coated carbon fibers, and sizing agent-coated carbon fibers
US-2016230332-A1 · Aug 11, 2016 · US
Functionalized carbon nanoparticles and functional polymer fibers prepared using the same
US-2015204009-A1 · Jul 23, 2015 · US