Pigment dispersant
US-11859106-B2 · Jan 2, 2024 · US
This page is not indexed by search engines while we improve data quality.
Carboxylic acid derivatives, e.g. carboxylic acid amides, carboxylic acid esters or CN groups
Carboxylic acid derivatives, e.g. carboxylic acid amides, carboxylic acid esters or CN 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 | C09B68/443 |
| Official title | {Carboxylic acid derivatives, e.g. carboxylic acid amides, carboxylic acid esters or CN groups} |
| Display label | Carboxylic acid derivatives, e.g. carboxylic acid amides, carboxylic acid esters or CN groups |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Manufacturing process for dark-color polymer composite films
US-11767412-B2 · Sep 26, 2023 · US
Coloring composition, cured film, pattern forming method, color filter, solid-state imaging element, and image display device
US-11390752-B2 · Jul 19, 2022 · US
Manufacturing process for dark-color polymer composite films
US-2022064406-A1 · Mar 3, 2022 · US
Manufacturing process for dark-color polymer composite films
US-11186704-B2 · Nov 30, 2021 · US
Pigment dispersant
US-2021324210-A1 · Oct 21, 2021 · US
Coloring composition, cured film, pattern forming method, color filter, solid-state imaging element, and image display device
US-2020239694-A1 · Jul 30, 2020 · US
Manufacturing process for dark-color polymer composite films
US-2020002506-A1 · Jan 2, 2020 · US
Synthesis method for self-dispersible pigment, self-dispersible pigment, ink jet ink, ink cartridge, and ink jet recording method
US-9260611-B2 · Feb 16, 2016 · US
Fluorescent silica nano-particle, fluorescent nano-material, and biochip and assay using the same
US-9260656-B2 · Feb 16, 2016 · US
Sulfonate modified nanocrystals
US-9061903-B2 · Jun 23, 2015 · US
Surface Modification of Pigments and Compositions Comprising the Same
US-2015079514-A1 · Mar 19, 2015 · US
Surface modification of pigments and compositions comprising the same
US-8927648-B2 · Jan 6, 2015 · US