Impurity removal method of silicate solid waste and its application
US-12589420-B2 · Mar 31, 2026 · US
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Waste materials; Refuse {; Residues} (C04B33/16 takes precedence)
Waste materials; Refuse {; Residues} (C04B33/16 takes precedence) · 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 | C04B33/132 |
| Official title | Waste materials; Refuse {; Residues} (C04B33/16 takes precedence) |
| Display label | Waste materials; Refuse {; Residues} (C04B33/16 takes precedence) |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2018 | 2 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System for constructing building material from lunar soil and associated method
US-12384730-B2 · Aug 12, 2025 · US
Porous material and method of forming the same
US-2025171358-A1 · May 29, 2025 · US
Coating Approach to Prevent Agglomeration of Spherical Lightweight Aggregate (LWA) During Sintering
US-2025091945-A1 · Mar 20, 2025 · US
Method for recycling coal liquefaction residue
US-12152212-B2 · Nov 26, 2024 · US
Method for preparing refractory material from waste battery residues, and use of refractory material
US-12027682-B2 · Jul 2, 2024 · US
Method for preparing ecological foamed ceramic from lepidolite filter mud whole waste
US-12006268-B2 · Jun 11, 2024 · US
Method for preparing ecological foamed ceramic from lepidolite filter mud whole waste
US-2024059619-A1 · Feb 22, 2024 · US
Method for preparing refractory material from waste battery residues, and use of refractory material
US-2024055682-A1 · Feb 15, 2024 · US
High-strength glass-ceramic-based lightweight aggregates and preparation method thereof
US-11780776-B2 · Oct 10, 2023 · US
High-strength glass-ceramic-based lightweight aggregates and preparation method thereof
US-2023234886-A1 · Jul 27, 2023 · US
Impurity Removal Method of Silicate Solid Waste and Its Application
US-2023211392-A1 · Jul 6, 2023 · US
Method for recycling coal liquefaction residue
US-2023110950-A1 · Apr 13, 2023 · US
System for constructing building material from lunar soil and associated method
US-2022315497-A1 · Oct 6, 2022 · US
Particle-stabilized foams using sustainable materials
US-2021130244-A1 · May 6, 2021 · US
Monitoring method, monitoring system, and structure, construction, or movable body
US-10908078-B2 · Feb 2, 2021 · US
Heat-dissipating ceramic foam containing carbonized cellulose particles and method for producing the same
US-10584071-B2 · Mar 10, 2020 · US
Monitoring method, monitoring system, and structure, construction, or movable body
US-2020064257-A1 · Feb 27, 2020 · US
Heat-dissipating ceramic foam containing carbonized cellulose particles and method for producing the same
US-2018282232-A1 · Oct 4, 2018 · US
Binder materials for use in preparation of ceramic particles
US-2018244576-A1 · Aug 30, 2018 · US