Flat cross-section glass fiber, and method for producing flat cross-section glass fiber from glass raw material including recycled glass material
US-2025276932-A1 · Sep 4, 2025 · US
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Aldehyde resins; Ketone resins; Polyacetals
Aldehyde resins; Ketone resins; Polyacetals · 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 | D06M15/39 |
| Official title | Aldehyde resins; Ketone resins; Polyacetals |
| Display label | Aldehyde resins; Ketone resins; Polyacetals |
| Total patents | 20 |
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 | 2 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cellulose fiber, fiber reinforced resin composition, method for producing cellulose fiber, and method for producing fiber reinforced resin composition
US-2023183887-A1 · Jun 15, 2023 · US
Synchronous belt fabric treatment and belt
US-2023057811-A1 · Feb 23, 2023 · US
Composition for forming coating
US-11571381-B2 · Feb 7, 2023 · US
Fiber-reinforced thermoplastic resin filament and shaped product of same
US-11566114-B2 · Jan 31, 2023 · US
Use of a sulfonated polyaryl ether ketone or of a sulfonated non-polymeric aryl ether ketone as a dispersant
US-11434365-B2 · Sep 6, 2022 · US
Use of a sulfonated polyaryl ether ketone or of a sulfonated non-polymeric aryl ether ketone as a dispersant
US-2021363346-A1 · Nov 25, 2021 · US
Fibers sized with polyetherketoneketones
US-11168024-B2 · Nov 9, 2021 · US
Fiber-reinforced thermoplastic resin filament and shaped product of same
US-2020369838-A1 · Nov 26, 2020 · US
Composition for forming coating
US-2020030222-A1 · Jan 30, 2020 · US
Cloth having excellent contact cold sensation and colorfastness
US-10538863-B2 · Jan 21, 2020 · US
Fibers sized with polyetherketoneketones
US-2019390398-A1 · Dec 26, 2019 · US
Fibers sized with polyetherketoneketones
US-10443189-B2 · Oct 15, 2019 · US
Fibers sized with polyetherketoneketones
US-2018298551-A1 · Oct 18, 2018 · US
Fibers sized with polyetherketoneketones
US-10030333-B2 · Jul 24, 2018 · US
Cloth having excellent contact cold sensation and colorfastness
US-2018179670-A1 · Jun 28, 2018 · US
Fibers sized with polyetherketoneketones
US-2017254017-A1 · Sep 7, 2017 · US
Fibers sized with polyethereketoneketones
US-9657437-B2 · May 23, 2017 · US
Interlaced three-dimensional printed composites and method for fabricating the same
US-2016305051-A1 · Oct 20, 2016 · US
Rubber-reinforcing member and rubber product utilizing the same
US-8962129-B2 · Feb 24, 2015 · US