Self-consolidating geopolymer compositions and methods for making same
US-11021399-B2 · Jun 1, 2021 · US
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from brown coal or lignite
from brown coal or lignite · 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 | C04B18/081 |
| Official title | {from brown coal or lignite} |
| Display label | from brown coal or lignite |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 3 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
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