Alkali metal silicates ({C01B33/24} , C01B33/26 take precedence) · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B33/32 |
| Official title | Alkali metal silicates ({C01B33/24} , C01B33/26 take precedence) |
| Display label | Alkali metal silicates ({C01B33/24} , C01B33/26 take precedence) |
| Total patents | 290 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 18 |
| 2017 | 12 |
| 2018 | 26 |
| 2019 | 32 |
| 2020 | 33 |
| 2021 | 22 |
| 2022 | 27 |
| 2023 | 30 |
| 2024 | 38 |
| 2025 | 37 |
| 2026 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2018351172-A1 · Dec 6, 2018 · US
US-2018305216-A1 · Oct 25, 2018 · US
US-2018297854-A1 · Oct 18, 2018 · US
US-2018287193-A1 · Oct 4, 2018 · US
US-2018254521-A1 · Sep 6, 2018 · US
US-2018254480-A1 · Sep 6, 2018 · US
US-10044033-B2 · Aug 7, 2018 · US
US-10020495-B2 · Jul 10, 2018 · US
US-2018175377-A1 · Jun 21, 2018 · US
US-2018170762-A1 · Jun 21, 2018 · US
US-10000646-B2 · Jun 19, 2018 · US
US-9997772-B2 · Jun 12, 2018 · US
US-2018147527-A1 · May 31, 2018 · US
US-9979002-B2 · May 22, 2018 · US
US-2018127601-A1 · May 10, 2018 · US
US-2018097220-A1 · Apr 5, 2018 · US
US-2018053929-A1 · Feb 22, 2018 · US
US-9890048-B2 · Feb 13, 2018 · US
US-2017331102-A1 · Nov 16, 2017 · US
US-2017309950-A1 · Oct 26, 2017 · US
Answers are generated from the same data shown on this page.