Material for neutralising and/or hardening liquids, a method for producing same, and uses
US-2024293793-A1 · Sep 5, 2024 · US
Treatment with inorganic compounds
Treatment with inorganic compounds · 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 | C09C1/022 |
| Official title | {Treatment with inorganic compounds} |
| Display label | Treatment with inorganic compounds |
| Total patents | 71 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 3 |
| 2017 | 11 |
| 2018 | 4 |
| 2019 | 10 |
| 2020 | 7 |
| 2021 | 4 |
| 2022 | 10 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Surface-reacted calcium carbonate with functional cations
US-11718759-B2 · Aug 8, 2023 · US
Composite pigment and production method thereof, paint composition containing composite pigment, and coating film
US-11512205-B2 · Nov 29, 2022 · US
Use of surface-reacted calcium carbonate as anti-blocking agent
US-11427695-B2 · Aug 30, 2022 · US
Process for preparing surface-reacted calcium carbonate
US-2022169861-A1 · Jun 2, 2022 · US
Composite pigment and production method thereof, paint composition containing composite pigment, and coating film
US-11339298-B2 · May 24, 2022 · US
Surface-reacted calcium carbonate in food
US-2022104525-A1 · Apr 7, 2022 · US
Blend of surface modified calcium carbonate comprising particles (MCC) and precipitated calcium carbonate comprising particles (PCC) and its uses
US-11292915-B2 · Apr 5, 2022 · US
Production of surface-reacted calcium salts by grinding induced conversion
US-2022089879-A1 · Mar 24, 2022 · US
Surface-reacted calcium carbonate with functional cations
US-2022025189-A1 · Jan 27, 2022 · US
Surface-reacted calcium carbonate with functional cations
US-2022025190-A1 · Jan 27, 2022 · US
Surface-reacted calcium carbonate with functional cations
US-2022017753-A1 · Jan 20, 2022 · US
Moisture-capturing, -storing, and/or -releasing composition
US-2021347965-A1 · Nov 11, 2021 · US
Surface-reacted calcium carbonate with functional cations
US-11168219-B2 · Nov 9, 2021 · US
O2 scavenging CaCO3 treatment
US-11161088-B2 · Nov 2, 2021 · US
Surface-reacted calcium carbonate for stabilizing mint oil
US-2021115261-A1 · Apr 22, 2021 · US
Surface-modified calcium carbonate as carrier for transition metal-based catalysts
US-10875014-B2 · Dec 29, 2020 · US
Post treatment of surface-reacted calcium carbonate with different functional cations
US-2020291235-A1 · Sep 17, 2020 · US
Use of surface-reacted calcium carbonate as anti-blocking agent
US-2020255675-A1 · Aug 13, 2020 · US
Process for improving particle size distribution of calcium carbonate-comprising material
US-10723885-B2 · Jul 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09C1/022?
- CPC C09C1/022 is the Cooperative Patent Classification code for “Treatment with inorganic compounds.”
- How many patents are filed under CPC C09C1/022 (Treatment with inorganic compounds)?
- Our database includes 71 publications tagged with this CPC code.
- Is patent activity under CPC C09C1/022 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).