Stabilised mineral suspension
US-2026028490-A1 · Jan 29, 2026 · US
Barium sulfates
Barium sulfates · 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 | C09C1/027 |
| Official title | {Barium sulfates} |
| Display label | Barium sulfates |
| Total patents | 46 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 6 |
| 2017 | 4 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Black zinc particles; method of their production and use
US-2025346765-A1 · Nov 13, 2025 · US
Treated inorganic particles for modifying polymer crystallinity
US-2024376295-A1 · Nov 14, 2024 · US
Coated calcium carbonate for pitch and/or stickies control
US-2023323601-A1 · Oct 12, 2023 · US
Inorganic particulate material suitable for use in polymeric films
US-11639441-B2 · May 2, 2023 · US
Method of milling minerals in the presence of a poly (itaconate)
US-11578214-B2 · Feb 14, 2023 · US
Composite pigment and production method thereof, paint composition containing composite pigment, and coating film
US-11512205-B2 · Nov 29, 2022 · US
Stretchable conductor sheet and paste for forming stretchable conductor sheet
US-2022363849-A1 · Nov 17, 2022 · US
Barium sulfate powder and resin composition comprising same
US-11434378-B2 · Sep 6, 2022 · US
Stretchable conductor sheet and paste for forming stretchable conductor sheet
US-11427689-B2 · Aug 30, 2022 · US
Pigments containing cellulose
US-2022251393-A1 · Aug 11, 2022 · US
Composite pigment and production method thereof, paint composition containing composite pigment, and coating film
US-11339298-B2 · May 24, 2022 · US
Pigment dispersion comprising silane-modified colloidal silica particles and a water-soluble thickening polymer
US-2022154029-A1 · May 19, 2022 · US
Low alpha dose barium sulfate particle, and use and process for producing the same
US-11040888-B2 · Jun 22, 2021 · US
Barium sulfate powder and resin composition comprising same
US-2021139709-A1 · May 13, 2021 · US
Low alpha dose barium sulfate particle, and use and process for producing the same
US-10836647-B2 · Nov 17, 2020 · US
Method of milling minerals in the presence of a poly (itaconate)
US-2020291239-A1 · Sep 17, 2020 · US
Barium sulfate spherical composite powder and method for producing same
US-10759672-B2 · Sep 1, 2020 · US
Low alpha dose barium sulfate particle, and use and process for producing the same
US-2020270138-A1 · Aug 27, 2020 · US
Low alpha dose barium sulfate particle, and use and process for producing the same
US-2020270139-A1 · Aug 27, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09C1/027?
- CPC C09C1/027 is the Cooperative Patent Classification code for “Barium sulfates.”
- How many patents are filed under CPC C09C1/027 (Barium sulfates)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC C09C1/027 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).