Class C09B : ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; MORDANTS; LAKES
Subclass 1/34: Dyes with an anthracene nucleus not condensed with any other ring Amino anthraquinones Preparation from starting materials already containing the anthracene nucleus Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups (anthrimides C09B 1/48) sulfonated
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11180657 | Polysulfonated fluorescence dyes | Sep 28, 18 | Nov 23, 21 | ATTO-TEC GMBH |
| 10519313 | Color material dispersion liquid for color filter, color resin composition for color filter, color material, color filter, liquid crystal display device, and light-emitting display device | Oct 15, 15 | Dec 31, 19 | Dai Nippon Printing Co., Ltd. |
| 10351705 | Color material dispersion liquid for color filter, color resin composition for color filter, color material, color filter, liquid crystal display device, and light-emitting display device | Oct 15, 15 | Jul 16, 19 | Dai Nippon Printing Co., Ltd. |
| 8865929 | Reactive dyes for contact lenses | Jul 17, 12 | Oct 21, 14 | COOPERVISION INTERNATIONAL HOLDING COMPANY, LP |
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