A solid solution of a quinacridonequinone with a stabilizer selected from the group consisting of 2-anilinoacridone, 5,6,7,8-tetrahydro-2-anilinoacridone, 6-anilinoquinolone and 2-aminoacridone of improved lightfastness is provided which displays improved dispersibility while still maintaining a high degree of transparency in automotive finishes when post-treated with a surfactant.
Acridinones, their preparation and use; intermediates and their preparation
申请人:CIBA-GEIGY AG
公开号:EP0028445A2
公开(公告)日:1981-05-13
A process for preparing cyclohexanonecarboxylate ester intermediates for the preparation of 1,2,3,4-tetrahydro-7-(phenyl)amino-9(10H) acridinone and 2-(phenyl) amino-9(10H)acridinone and for preparing said acridinones.
A process for preparing cyclohexanonecarboxylate ester intermediates for the preparation of 1,2,3,4-tetrahydro-7-(phenyl)amino-9(10H)acridinone and 2-(phenyl)amino-9(10H)acridinone and for preparing said acridinones.