Pre-coating pyrolysis char for char bricks
US-2025376418-A1 · Dec 11, 2025 · US
Polyalkenes
Polyalkenes · 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 | C04B26/045 |
| Official title | {Polyalkenes} |
| Display label | Polyalkenes |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 6 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polypropylene for extrusion additive manufacturing
US-12257767-B2 · Mar 25, 2025 · US
Method for preparing a composite construction material
US-2025033249-A1 · Jan 30, 2025 · US
Curable resin composition
US-2024417327-A1 · Dec 19, 2024 · US
Crosslinkable polymer-powder compositions redispersible in water
US-12134692-B2 · Nov 5, 2024 · US
Composition and the use thereof as joint compound
US-2024287356-A1 · Aug 29, 2024 · US
Polypropylene for extrusion additive manufacturing
US-2024051221-A1 · Feb 15, 2024 · US
Water-free and cement-free ductile concrete and soil stabilizing composition and thermal casting method for making same
US-2023406767-A1 · Dec 21, 2023 · US
Cycloalkene and transition metal compound catalyst resin for well sealing
US-11414587-B2 · Aug 16, 2022 · US
Crosslinkable polymer-powder compositions redispersible in water
US-2022135784-A1 · May 5, 2022 · US
Composition And Methods For Well Sealing
US-2021363401-A1 · Nov 25, 2021 · US
Decorative item made of a heavy composite material
US-11042125-B2 · Jun 22, 2021 · US
Completion tools with fluid diffusion control layer
US-10961427-B2 · Mar 30, 2021 · US
Decorative item made of a heavy composite material
US-2020201260-A1 · Jun 25, 2020 · US
Methods for reducing asphalt pavement thickness
US-10584247-B2 · Mar 10, 2020 · US
Mounting pad and method for deterring theft and securing outdoor equipment and appliances against high winds
US-10408493-B1 · Sep 10, 2019 · US
Asphalt composition
US-10351475-B2 · Jul 16, 2019 · US
Cementitious article comprising hydrophobic finish
US-10336036-B2 · Jul 2, 2019 · US
Reactive resin composition and use of the same
US-10273186-B2 · Apr 30, 2019 · US
A process for preparing core-shell particles having a polymer core and a continuous silica shell, an aqueous polymer dispersion obtainable by said process, a redispersible polymer powder, and a composition comprising the redispersible polymer powder
US-2019119453-A1 · Apr 25, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B26/045?
- CPC C04B26/045 is the Cooperative Patent Classification code for “Polyalkenes.”
- How many patents are filed under CPC C04B26/045 (Polyalkenes)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC C04B26/045 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).