Class C09B : ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; MORDANTS; LAKES
Subclass 1/20: Dyes with an anthracene nucleus not condensed with any other ring Amino anthraquinones Preparation from starting materials already containing the anthracene nucleus
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12164182 | Contact lens | Sep 01, 21 | Dec 10, 24 | CooperVision International Limited |
| 11958978 | Coloring compound and thermal transfer recording sheet | May 20, 20 | Apr 16, 24 | Canon Kabuskiki Kaisha |
| 11255761 | Method of analysing a cell or other biological material containing a nucleic acid | Jun 05, 15 | Feb 22, 22 | BIOSTATUS LIMITED |
| 10723882 | Black isoindolinone pigment and coloring agent | Dec 27, 17 | Jul 28, 20 | DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD |
| 10501631 | Coloring compound and thermal transfer recording sheet | Feb 14, 18 | Dec 10, 19 | CANON KABUSHIKI KAISHA |
| 9200171 | AZO compound and ink containing the compound | Nov 20, 13 | Dec 01, 15 | MITSUBISHI CHEMICAL CORPORATION |
| 9051467 | Method of analysing a cell or other biological material containing a nucleic acid | Apr 08, 11 | Jun 09, 15 | BIOSTATUS LIMITED |
| 8709102 | Dyeing composition for keratin fibers | Dec 23, 11 | Apr 29, 14 | KAO GERMANY GMBH |
| 8227599 | Adsorbents comprising anthraquinone dye-ligends for the separation of biological materials | Mar 29, 06 | Jul 24, 12 | BASF SE |
| 7160335 | Anthraquinone dyes | Mar 13, 03 | Jan 09, 07 | HUNTSMAN INTERNATIONAL LLC |
| 5759211 | Anthraquinone dyes containing a fluorosulphonyl group and use thereof | Aug 12, 96 | Jun 02, 98 | DYSTAR COLOURS DISTRIBUTION GMBH |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2019/0338,130 | BLACK ISOINDOLINONE PIGMENT AND COLORING AGENT | Dec 27, 17 | Nov 07, 19 | Not available |
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