Colors for chromogenic ihc and ish staining with multi-dye quinone methide and tyramide conjugates
US-2025208122-A1 · Jun 26, 2025 · US
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by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines; by reacting keto-groups with amines
by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines; by reacting keto-groups with amines · 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 | C09B43/32 |
| Official title | by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines; by reacting keto-groups with amines |
| Display label | by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines; by reacting keto-groups with amines |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 4 |
| 2021 | 3 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Colors for chromogenic IHC and ISH staining with multi-dye quinone methide and tyramide conjugates
US-12287329-B2 · Apr 29, 2025 · US
Colors for chromogenic ihc and ish staining with multi-dye quinone methide and tyramide conjugates
US-2025012788-A1 · Jan 9, 2025 · US
Colors for chromogenic IHC and ISH staining with multi-dye quinone methide and tyramide conjugates
US-12130284-B2 · Oct 29, 2024 · US
Colored curable resin composition, color filter and solid-state imaging element
US-2022162419-A1 · May 26, 2022 · US
Colors for chromogenic ihc and ish staining with multi-dye quinone methide and tyramide conjugates
US-2021341466-A1 · Nov 4, 2021 · US
Colors for chromogenic IHC and ISH staining with multi-dye quinone methide and tyramide conjugates
US-11143648-B2 · Oct 12, 2021 · US
Colors for chromogenic ihc and ish staining with multi-dye quinone methide and tyramide conjugates
US-2021055285-A1 · Feb 25, 2021 · US
Dichroic dye compound, polarizing film, and uses thereof
US-10514484-B2 · Dec 24, 2019 · US
Electrowetting element
US-10444489-B2 · Oct 15, 2019 · US
Colors for chromogenic ihc and ish staining with multi-dye quinone methide and tyramide conjugates
US-2019187130-A1 · Jun 20, 2019 · US
Coloring composition, anisotropic light absorption film, laminate, polarizing plate, image display device and compound
US-10280181-B2 · May 7, 2019 · US
Dye-based polarizer as well as polarizing plate and liquid crystal display device using the polarizer
US-10007142-B2 · Jun 26, 2018 · US
Dye-based polarizer as well as polarizing plate and liquid crystal display device using the polarizer
US-2018074371-A1 · Mar 15, 2018 · US
Colored pigment particles for electrophoretic displays
US-9846345-B2 · Dec 19, 2017 · US
Dichroic dye compound, polarizing film, and uses thereof
US-2017242169-A1 · Aug 24, 2017 · US
Electrowetting element
US-2017003497-A1 · Jan 5, 2017 · US
Coloring composition, anisotropic light absorption film, laminate, polarizing plate, image display device and compound
US-2016340367-A1 · Nov 24, 2016 · US
Electrowetting device
US-9447282-B2 · Sep 20, 2016 · US
Colored pigment particles for electrophoretic displays
US-2016018716-A1 · Jan 21, 2016 · US