Exothermic Welding System
US-2025136837-A1 · May 1, 2025 · US
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Condensation polymers of aldehydes or ketones
Condensation polymers of aldehydes or ketones · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B26/12 |
| Official title | Condensation polymers of aldehydes or ketones |
| Display label | Condensation polymers of aldehydes or ketones |
| Total patents | 23 |
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 | 2 |
| 2016 | 1 |
| 2018 | 4 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for the preparation of a bonding resin
US-2025129198-A1 · Apr 24, 2025 · US
Refractory lining design for magnetic separation
US-2024416360-A1 · Dec 19, 2024 · US
Drilling fluids that include water-soluble acid catalyst precursors or reaction products of such and uses for such drilling fluids
US-11535785-B2 · Dec 27, 2022 · US
Polymer Concrete for Integrated Radiation Shielding
US-2022384064-A1 · Dec 1, 2022 · US
Process for producing an in-situ foam
US-11091601-B2 · Aug 17, 2021 · US
Process for manufacturing in-line coated wood-based boards
US-11084183-B2 · Aug 10, 2021 · US
Drilling fluids that include water-insoluble acid catalyst precursors
US-11078398-B2 · Aug 3, 2021 · US
Decorative item made of a heavy composite material
US-11042125-B2 · Jun 22, 2021 · US
Swellable glass particles for reducing fluid flow in subterranean formations
US-10907085-B2 · Feb 2, 2021 · US
Drilling fluids that include water-insoluble acid catalyst precursors or reaction products of such and uses for such drilling fluids
US-2020399523-A1 · Dec 24, 2020 · US
Drilling fluids that include water-soluble acid catalyst precursors or reaction products of such and uses for such drilling fluids
US-2020399522-A1 · Dec 24, 2020 · US
Process for manufacturing in-line coated wood-based boards
US-2020215717-A1 · Jul 9, 2020 · US
Decorative item made of a heavy composite material
US-2020201260-A1 · Jun 25, 2020 · US
Granular material, granular material manufacturing method, three-dimensional laminated and shaped mold manufacturing apparatus, and three-dimensional laminated and shaped mold manufacturing method
US-10654991-B2 · May 19, 2020 · US
In-line coated wood-based boards
US-10618196-B2 · Apr 14, 2020 · US
In-line coated wood-based boards
US-2018345530-A1 · Dec 6, 2018 · US
System and method for producing an in-situ pur foam
US-2018155517-A1 · Jun 7, 2018 · US
Swellable glass particles for reducing fluid flow in subterranean formations
US-2018155605-A1 · Jun 7, 2018 · US
Granular material, granular material manufacturing method, three-dimensional laminated and shaped mold manufacturing apparatus, and three-dimensional laminated and shaped mold manufacturing method
US-2018112067-A1 · Apr 26, 2018 · US