发明授权
- 专利标题： Heterocyclic-substituted quinacridone pigments
- 专利标题（中）： 杂环取代的喹吖啶酮颜料
-
申请号： US81849申请日： 1998-05-20
-
公开(公告)号： US5868828A公开(公告)日： 1999-02-09
- 发明人: Ibraheem T. Badejo , Guenter Franke
- 申请人： Ibraheem T. Badejo , Guenter Franke
- 申请人地址： PA Pittsburgh
- 专利权人： Bayer Corporation
- 当前专利权人： Bayer Corporation
- 当前专利权人地址： PA Pittsburgh
- 主分类号： C09B48/00
- IPC分类号： C09B48/00
摘要：
This invention relates to quinacridone pigments of formula (I) ##STR1## wherein X is O, S, or NR;R is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.5 -C.sub.7 cycloalkyl, or C.sub.7 -C.sub.16 aralkyl;Y is C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, or halogen;the dashed line represents an optional double bond;R.sup.1 and R.sup.2 are independently hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.5 -C.sub.7 cycloalkyl, C.sub.6 -C.sub.10 aryl, C.sub.7 -C.sub.16 aralkyl, nitrile, or carboxyl or an ester or an amide thereof, or R.sup.1 and R.sup.2 together form a C.sub.5 -C.sub.8 cycloaliphatic ring or a fused-on aromatic or heteroaromatic ring;R.sup.3 is hydrogen or C.sub.1 -C.sub.6 alkyl; andm is 0, 1, or 2.This invention further relates to the preparation and use of such quinacridone pigments.
信息查询
