Intermediate film for laminated glass, and laminated glass
US-12202980-B2 · Jan 21, 2025 · US
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Dyes with unsubstituted amino groups
Dyes with unsubstituted amino 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 | C09B1/22 |
| Official title | Dyes with unsubstituted amino groups |
| Display label | Dyes with unsubstituted amino groups |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 1 |
| 2022 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Intermediate film for laminated glass, and laminated glass
US-2022403175-A1 · Dec 22, 2022 · US
Ink set and thermal transfer recording sheet
US-9701146-B2 · Jul 11, 2017 · US
Ink set and thermal transfer recording sheet
US-2016303882-A1 · Oct 20, 2016 · US
Liquid crystal display device for dashboard of vehicle
US-9229266-B2 · Jan 5, 2016 · US
Disperse dye composition and dyeing method for hydrophobic fiber material using same
US-9156988-B2 · Oct 13, 2015 · US
Radiation-sensitive colored composition, colored cured film, color filter and method of producing the same, solid-state imaging device, liquid crystal display apparatus, and method of producing dye
US-9052458-B2 · Jun 9, 2015 · US
Liquid crystal display device for dashboard of vehicle
US-2015153615-A1 · Jun 4, 2015 · US
Polycarboxylic acid dye with low polymerization degree
US-9040634-B2 · May 26, 2015 · US