Tag Archives: azo

Azo dyes, their preparation mehtod and use in dyeing of hydrophobic fiber materials and dye printing

Application Number  00128776 Application Date  2000.09.20 Publication Number  1288916 Publication Date  2001.03.28 Priority Information   1999/9/20 EP 99810836.9   International Classification  C09B29/00;D06P1/04;D06P3/00   Applicant(s) Name  Ciba Specialty Chemicals Holding Inc.   Address     Inventor(s) Name  R. Derayer;J.C. Virherm;A. Aquint   Patent Agency Code  72001 Patent Agent  ma chongde AbstractThe present invention relates to dyes… Read More »

Reactive azo orange dye and its preparing process

Application Number: 00119056Application Date: 2000.10.24Publication Number: 1289804Publication Date: 2001.04.04Priority Information: International: C09B62/008Applicant(s) Name: Jinji Dye Co Ltd, Taixing CityAddress: Inventor(s) Name: Su Jinqi;Wang Guomin;Ju SuhuaPatent Agency Code: 32213Patent Agent: zhu yuanpingAbstract An active orange azo dye is prepared through condensating tripolychlorocyanogen with the compound containing sulfonyl or vinylsulfone sulfate phenylamine and J acid respectively, and… Read More »

Azo dye, and its preparing process and use

Application Number: 00106403Application Date: 2000.03.10Publication Number: 1266869Publication Date: 2000.09.20Priority Information: 1999/3/11 EP 99810220.6International: C09B33/18;C09B33/24;C09B62/513Applicant(s) Name: Ciba Specialty Chemicals Holding Inc.Address: Inventor(s) Name: A. Tschekas;R. DaitzPatent Agency Code: 72001Patent Agent: cao wenAbstract Azo dyes comprising at least one structural unit of the formula (1). The azo dyes according to the invention are particularly suitable for dyeing… Read More »

Compositions of azo lake pigment

Application Number: 00104724Application Date: 2000.03.24Publication Number: 1268532Publication Date: 2000.10.04Priority Information: 1999/3/24 GB 9906673.0International: C09B67/36Applicant(s) Name: Ciba Specials Holding Inc.Address: Inventor(s) Name: G. Chizem;P. Kolwin;M. NikoliPatent Agency Code: 72001Patent Agent: zhang yuanzhongAbstract Pigment composition which comprises azo pigments and auxochromes. The composition is prepared in-situ by coupling an aromatic diazonium compound with 3-hydroxy-2-naphthoic acid and can… Read More »