Layered silicate partially modified with amino acid
US-12378129-B2 · Aug 5, 2025 · US
Products obtained from layered base-exchange silicates by ion-exchange with organic compounds such as ammonium, phosphonium or sulfonium compounds or by intercalation of organic compounds, e.g. organoclay material · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B33/44 |
| Official title | Products obtained from layered base-exchange silicates by ion-exchange with organic compounds such as ammonium, phosphonium or sulfonium compounds or by intercalation of organic compounds, e.g. organoclay material |
| Display label | Products obtained from layered base-exchange silicates by ion-exchange with organic compounds such as ammonium, phosphonium or sulfonium compounds or by intercalation of organic compounds, e.g. organoclay material |
| Total patents | 41 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 9 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12378129-B2 · Aug 5, 2025 · US
US-12091555-B2 · Sep 17, 2024 · US
US-2024217829-A1 · Jul 4, 2024 · US
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US-11912926-B2 · Feb 27, 2024 · US
US-2024051834-A1 · Feb 15, 2024 · US
US-2023144199-A1 · May 11, 2023 · US
US-11618827-B2 · Apr 4, 2023 · US
US-11499136-B2 · Nov 15, 2022 · US
US-11447395-B2 · Sep 20, 2022 · US
US-2022235257-A1 · Jul 28, 2022 · US
US-2022220316-A1 · Jul 14, 2022 · US
US-2022185684-A1 · Jun 16, 2022 · US
US-11358874-B2 · Jun 14, 2022 · US
US-11312863-B2 · Apr 26, 2022 · US
US-2022089880-A1 · Mar 24, 2022 · US
US-11248106-B2 · Feb 15, 2022 · US
US-2021108050-A1 · Apr 15, 2021 · US
US-10947366-B2 · Mar 16, 2021 · US
US-2020216324-A1 · Jul 9, 2020 · US
Answers are generated from the same data shown on this page.