Coloring composition, color filter, pattern forming method, solid-state imaging device, and image display device
US-10634997-B2 · Apr 28, 2020 · US
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free of acid groups
free of acid 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 | C09B29/335 |
| Official title | {free of acid groups} |
| Display label | free of acid groups |
| Total patents | 2 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2020 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.