C09B 1/32

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9868849 Colored resin composition exhibiting pleochroism, and molded plastics manufactured using sameAug 03, 12Jan 16, 18LOTTE ADVANCED MATERIALS CO., LTD.
9592695 Thermal transfer recording sheetAug 26, 15Mar 14, 17CANON KABUSHIKI KAISHA
9156988 Disperse dye composition and dyeing method for hydrophobic fiber material using sameJun 07, 12Oct 13, 15NIPPON KAYAKU KABUSHIKI KAISHA
6485559 Pigment colorants for the mass-coloring of synthetic materialsDec 27, 00Nov 26, 02CIBA SPECIALTY CHEMICALS CORPORATION
5639896 Process for the preparation of N,N'-disubstituted 1,4-diaminoanthraquinonesMay 03, 96Jun 17, 97Bayer Aktiengesellschaft
5401846 Preparation of 5-halo-2-(1-anthraquinonylamino)-benzoic acids and 4'-halo-2,1(N)-anthraquinonyl-1',2'(N)-benzacridonesJun 23, 93Mar 28, 95BASF AKTIENGESELLSCHAFT
4902798 Anthrapyridone compoundsNov 30, 87Feb 20, 90SUMIKA FINE CHEMICALS CO., LTD., SUMITOMO CHEMICAL COMPANY, LIMITED,
4363743 Liquid crystals having pleochroic dyesFeb 04, 81Dec 14, 82SIEMENS AKTIENGESELLSCHAFT