Sol-gel based matrix
US-11236233-B2 · Feb 1, 2022 · US
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Substituted alkyl groups
Substituted alkyl groups · 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 | C09B68/4475 |
| Official title | {Substituted alkyl groups} |
| Display label | Substituted alkyl groups |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2019 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sol-Gel Based Matrix
US-2019203049-A1 · Jul 4, 2019 · US
Sol-gel based matrix
US-10233328-B2 · Mar 19, 2019 · US
Surface-modified pigment preparations
US-9346963-B2 · May 24, 2016 · US