专利号:US-6987186-B2 优先权日:2003-01-28 标 题 :Synthesis of small particle size quinacridone of beta crystal phase 发明人:COLE DAMIEN THURBER; JEGANATHAN SURULIAPPA GOWDER; HE YINGXIA 权利人:CIBA SC HOLDING AG 摘要:The present invention relates to a process for the synthesis of beta-quinacridone by oxidation in the presence of selected additives that promote the formation of the desired crystal phase and particle size.
专利号:US-2004229057-A1 优先权日:2003-01-28 标 题 :Synthesis of small particle size quinacridone of beta crystal phase
专利号:JP-2006513302-A 优先权日:2003-01-28 标 题 :Synthesis of β-crystalline phase quinacridone with small particle size
专利号:WO-2004067642-A1 优先权日:2003-01-28 标题:Synthesis of small particle size quinacridone of beta crystal phase
专利号:EP-1587879-A1 优先权日:2003-01-28 标题 :Synthesis of small particle size quinacridone of beta crystal phase