Free-flowing powder comprising a porous substrate functionalized with at least one accelerator
US-2023174435-A1 · Jun 8, 2023 · US
Diatomaceous earth
Diatomaceous earth · 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 | C04B14/08 |
| Official title | Diatomaceous earth |
| Display label | Diatomaceous earth |
| Total patents | 65 |
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 | 8 |
| 2016 | 6 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 10 |
| 2021 | 10 |
| 2022 | 6 |
| 2023 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High temperature resistant Portland cement slurry and production method thereof
US-11618844-B2 · Apr 4, 2023 · US
Methods of forming minerals using biomineralizing microorganisms and biomineralizing macroorganisms and compositions formed using same
US-2022371953-A1 · Nov 24, 2022 · US
Water cured concrete mix composition
US-11485684-B2 · Nov 1, 2022 · US
Concrete mix composition
US-11479507-B2 · Oct 25, 2022 · US
Fiber cement material formulations and compositions thereof
US-11370708-B2 · Jun 28, 2022 · US
Catalytic converter
US-11291975-B2 · Apr 5, 2022 · US
Expanded and expandable granular materials
US-2022017415-A1 · Jan 20, 2022 · US
Fire resistant calcium sulphate-based products
US-11198645-B2 · Dec 14, 2021 · US
Compositions and methods for well cementing
US-11130899-B2 · Sep 28, 2021 · US
Fire resistant calcium sulphate-based products
US-11117835-B2 · Sep 14, 2021 · US
Struvite-K/Syngenite building compositions comprising silicate materials and building articles such as wallboards made therefrom
US-11034621-B2 · Jun 15, 2021 · US
Components and systems to manage thermal runaway issues in electric vehicle batteries
US-2021167438-A1 · Jun 3, 2021 · US
Lithium-containing calcium aluminate phosphate cement admixtures
US-10995253-B2 · May 4, 2021 · US
Fiber cement material formulations and compositions thereof
US-2021114933-A1 · Apr 22, 2021 · US
Cement slurries with salt-tolerant fluid loss additives and methods relating thereto
US-10975286-B2 · Apr 13, 2021 · US
Compositions and methods for producing high purity filter aids
US-10913049-B2 · Feb 9, 2021 · US
Method for manufacturing a surface-treated particulate inorganic material
US-10882787-B2 · Jan 5, 2021 · US
Foundry articles for metal working applications, methods of making such foundry articles, and particulate refractory compositions for use in such methods
US-2020384527-A1 · Dec 10, 2020 · US
Hydrophobic finish compositions with extended flow time retention and building products made thereof
US-10815149-B2 · Oct 27, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B14/08?
- CPC C04B14/08 is the Cooperative Patent Classification code for “Diatomaceous earth.”
- How many patents are filed under CPC C04B14/08 (Diatomaceous earth)?
- Our database includes 65 publications tagged with this CPC code.
- Is patent activity under CPC C04B14/08 growing?
- Publication counts under this code: 4 in 2023 vs 3 in 2025 (latest complete years).