Anti-propylene mask and method for preparation thereof
US-12569705-B2 · Mar 10, 2026 · US
containing etherified or esterified hydroxy groups {; Polyethers of low molecular weight} · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D06M13/372 |
| Official title | containing etherified or esterified hydroxy groups {; Polyethers of low molecular weight} |
| Display label | containing etherified or esterified hydroxy groups {; Polyethers of low molecular weight} |
| Total patents | 8 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12569705-B2 · Mar 10, 2026 · US
US-12571157-B2 · Mar 10, 2026 · US
US-12473688-B2 · Nov 18, 2025 · US
US-2024344264-A1 · Oct 17, 2024 · US
US-2024344265-A1 · Oct 17, 2024 · US
US-2024263387-A1 · Aug 8, 2024 · US
US-2023211190-A1 · Jul 6, 2023 · US
US-9259455-B2 · Feb 16, 2016 · US