Methods and compositions for controlling flow in clay-based materials
US-12490708-B2 · Dec 9, 2025 · US
Organic additives
Organic additives · 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 | C04B33/1305 |
| Official title | {Organic additives} |
| Display label | Organic additives |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 6 |
| 2020 | 10 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for making tiles
US-2025197290-A1 · Jun 19, 2025 · US
Marking system for moldable substrates
US-2025010648-A1 · Jan 9, 2025 · US
Marking system for moldable substrates
US-12134278-B2 · Nov 5, 2024 · US
Ceramic compositions
US-2024360038-A1 · Oct 31, 2024 · US
Preparation method of fly ash-based ceramic membrane support
US-12071377-B2 · Aug 27, 2024 · US
Preparation Method of Fly Ash-Based Ceramic Membrane Support
US-2024217879-A1 · Jul 4, 2024 · US
Elaboration of an advanced ceramic made of recycled industrial steel waste
US-11787745-B2 · Oct 17, 2023 · US
Compositions for use in geosynthetic liners
US-11692325-B2 · Jul 4, 2023 · US
Methods and compositions for controlling flow in clay-based materials
US-2023104861-A1 · Apr 6, 2023 · US
Treatment of calcium-containing bentonites for drilling fluids
US-11530346-B2 · Dec 20, 2022 · US
Marking system for moldable substrates
US-2022314675-A1 · Oct 6, 2022 · US
Dental porcelain paste superior in application property
US-11400029-B2 · Aug 2, 2022 · US
Marking system for moldable substrates
US-11396197-B2 · Jul 26, 2022 · US
Ceramic paste compositions for 3d printing
US-2022024823-A1 · Jan 27, 2022 · US
Hydrogel for producing clay, production method thereof, and clay comprising the same
US-11230640-B2 · Jan 25, 2022 · US
Removal of water contaminants using enhanced ceramic filtration materials
US-2021370205-A1 · Dec 2, 2021 · US
Sealing material
US-2021206649-A1 · Jul 8, 2021 · US
Method for preparing low-density proppant by taking oil-based mud wastes as raw materials
US-2021040379-A1 · Feb 11, 2021 · US
Marking system for moldable substrates
US-2020399180-A1 · Dec 24, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B33/1305?
- CPC C04B33/1305 is the Cooperative Patent Classification code for “Organic additives.”
- How many patents are filed under CPC C04B33/1305 (Organic additives)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC C04B33/1305 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).